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Diffstat (limited to 'www/command-line-options.html')
| -rw-r--r-- | www/command-line-options.html | 490 |
1 files changed, 289 insertions, 201 deletions
diff --git a/www/command-line-options.html b/www/command-line-options.html index a8cc9280f..e7e405976 100644 --- a/www/command-line-options.html +++ b/www/command-line-options.html @@ -6,7 +6,7 @@ <html lang="en"> <head> <meta charset="utf-8" /> - <meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1,shrink-to-fit=no" /> + <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" /> <title>ImageMagick - Command-line Options</title> <meta name="application-name" content="ImageMagick" /> <meta name="description" content="Use ImageMagick® to create, edit, compose, and convert bitmap images. Resize an image, crop it, change its shades and colors, add captions, and more." /> @@ -69,7 +69,7 @@ </li> </ul> </div> - <form class="form-inline my-2 my-md-0" action="https://imagemagick.org/script/search.php"> + <form class="form-inline my-2 my-md-0" action="search.html"> <input class="form-control mr-sm-2" type="text" name="q" placeholder="Search" aria-label="Search"> <button class="btn btn-outline-success my-2 my-sm-0" type="submit" name="sa">Search</button> </form> @@ -91,7 +91,7 @@ <div class="magick-template"> <div class="magick-header"> <h1 class="text-center">Annotated List of Command-line Options</h1> -<p class="text-center"><a class="text-nowrap" href="command-line-options.html#adaptive-blur">-adaptive-blur</a> • <a class="text-nowrap" href="command-line-options.html#adaptive-resize">-adaptive-resize</a> • <a class="text-nowrap" href="command-line-options.html#adaptive-sharpen">-adaptive-sharpen</a> • <a class="text-nowrap" href="command-line-options.html#adjoin">-adjoin</a> • <a class="text-nowrap" href="command-line-options.html#affine">-affine</a> • <a class="text-nowrap" href="command-line-options.html#alpha">-alpha</a> • <a class="text-nowrap" href="command-line-options.html#annotate">-annotate</a> • <a class="text-nowrap" href="command-line-options.html#antialias">-antialias</a> • <a class="text-nowrap" href="command-line-options.html#append">-append</a> • <a class="text-nowrap" href="command-line-options.html#attenuate">-attenuate</a> • <a class="text-nowrap" href="command-line-options.html#authenticate">-authenticate</a> • <a class="text-nowrap" href="command-line-options.html#auto-gamma">-auto-gamma</a> • <a class="text-nowrap" href="command-line-options.html#auto-level">-auto-level</a> • <a class="text-nowrap" href="command-line-options.html#auto-orient">-auto-orient</a> • <a class="text-nowrap" href="command-line-options.html#auto-threshold">-auto-threshold</a> • <a class="text-nowrap" href="command-line-options.html#backdrop">-backdrop</a> • <a class="text-nowrap" href="command-line-options.html#background">-background</a> • <a class="text-nowrap" href="command-line-options.html#bench">-bench</a> • <a class="text-nowrap" href="command-line-options.html#bias">-bias</a> • <a class="text-nowrap" href="command-line-options.html#black-point-compensation">-black-point-compensation</a> • <a class="text-nowrap" href="command-line-options.html#black-threshold">-black-threshold</a> • <a class="text-nowrap" href="command-line-options.html#blend">-blend</a> • <a class="text-nowrap" href="command-line-options.html#blue-primary">-blue-primary</a> • <a class="text-nowrap" href="command-line-options.html#blue-shift">-blue-shift</a> • <a class="text-nowrap" href="command-line-options.html#blur">-blur</a> • <a class="text-nowrap" href="command-line-options.html#border">-border</a> • <a class="text-nowrap" href="command-line-options.html#bordercolor">-bordercolor</a> • <a 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href="command-line-options.html#clip">-clip</a> • <a class="text-nowrap" href="command-line-options.html#clip-mask">-clip-mask</a> • <a class="text-nowrap" href="command-line-options.html#clip-path">-clip-path</a> • <a class="text-nowrap" href="command-line-options.html#clone">-clone</a> • <a class="text-nowrap" href="command-line-options.html#clut">-clut</a> • <a class="text-nowrap" href="command-line-options.html#coalesce">-coalesce</a> • <a class="text-nowrap" href="command-line-options.html#colorize">-colorize</a> • <a class="text-nowrap" href="command-line-options.html#colormap">-colormap</a> • <a class="text-nowrap" href="command-line-options.html#color-matrix">-color-matrix</a> • <a class="text-nowrap" href="command-line-options.html#colors">-colors</a> • <a class="text-nowrap" href="command-line-options.html#colorspace">-colorspace</a> • <a class="text-nowrap" href="command-line-options.html#color-threshold">-color-threshold</a> • <a class="text-nowrap" 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href="command-line-options.html#type">-type</a> • <a class="text-nowrap" href="command-line-options.html#undercolor">-undercolor</a> • <a class="text-nowrap" href="command-line-options.html#unique-colors">-unique-colors</a> • <a class="text-nowrap" href="command-line-options.html#units">-units</a> • <a class="text-nowrap" href="command-line-options.html#unsharp">-unsharp</a> • <a class="text-nowrap" href="command-line-options.html#update">-update</a> • <a class="text-nowrap" href="command-line-options.html#verbose">-verbose</a> • <a class="text-nowrap" href="command-line-options.html#version">-version</a> • <a class="text-nowrap" href="command-line-options.html#view">-view</a> • <a class="text-nowrap" href="command-line-options.html#vignette">-vignette</a> • <a class="text-nowrap" href="command-line-options.html#virtual-pixel">-virtual-pixel</a> • <a class="text-nowrap" href="command-line-options.html#visual">-visual</a> • <a class="text-nowrap" href="command-line-options.html#watermark">-watermark</a> • <a class="text-nowrap" href="command-line-options.html#wave">-wave</a> • <a class="text-nowrap" href="command-line-options.html#wavelet-denoise">-wavelet-denoise</a> • <a class="text-nowrap" href="command-line-options.html#weight">-weight</a> • <a class="text-nowrap" href="command-line-options.html#white-balance">-white-balance</a> • <a class="text-nowrap" href="command-line-options.html#white-point">-white-point</a> • <a class="text-nowrap" href="command-line-options.html#white-threshold">-white-threshold</a> • <a class="text-nowrap" href="command-line-options.html#window">-window</a> • <a class="text-nowrap" href="command-line-options.html#window-group">-window-group</a> • <a class="text-nowrap" href="command-line-options.html#write">-write</a> • <a class="text-nowrap" href="command-line-options.html#write-mask">-write-mask</a> </p> <p class="lead magick-description">Below is list of command-line options recognized by the ImageMagick <a href="command-line-tools.html">command-line tools</a>. If you want a description of a particular option, click on the option name in the navigation bar above and you will go right to it. Unless otherwise noted, each option is recognized by the commands: <a href="convert.html">convert</a> and <a href="mogrify.html">mogrify</a>.</p> <div style="margin: auto;"> @@ -243,6 +243,7 @@ matrix determinant has a sufficiently small absolute value it is rejected.</p> <p>Used to set a flag on an image indicating whether or not to use existing alpha channel data, to create an alpha channel, or to perform other operations on the alpha channel. Choose the argument <var>type</var> from the list below.</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">Activate</dt> <dd class="col-md-8"> @@ -317,16 +318,18 @@ channel data, to create an alpha channel, or to perform other operations on the and thus can compress better. </dd> </dl> +</div> +<br/> <p>Note that while the obsolete <code>+matte</code> operation was the same as "<code><a href="command-line-options.html#alpha" >-alpha</a> Off</code>", the <code> >-matte</code> operation was the same as "<code><a href="command-line-options.html#alpha" >-alpha</a> Set</code>" and not "<code><a href="command-line-options.html#alpha" >-alpha</a> On</code>". </p> -<div style="margin: auto;"> +<div class="pre-scrollable" style="margin: auto;"> <h3><a class="anchor" id="annotate"></a> -annotate <var>degrees</var> <var>text</var><br /> - -annotate <var>Xdegrees</var>x<var>Ydegrees</var> <var>text</var><br /> -annotate <var>Xdegrees</var>x<var>Ydegrees</var> {+-}<var>t<sub>x</sub></var>{+-}<var>t<sub>y</sub></var> <var>text</var><br /> -annotate {+-}<var>t<sub>x</sub></var>{+-}<var>t<sub>y</sub></var> <var>text</var></h3> + -annotate <var>Xdegrees</var>x<var>Ydegrees</var> <var>text</var><br /> -annotate <var>Xdegrees</var>x<var>Ydegrees</var>{+-}<var>t<sub>x</sub></var>{+-}<var>t<sub>y</sub></var> <var>text</var><br /> -annotate {+-}<var>t<sub>x</sub></var>{+-}<var>t<sub>y</sub></var> <var>text</var></h3> </div> <p class="magick-description">Annotate an image with text</p> @@ -471,7 +474,7 @@ transparency. </p> <h3><a class="anchor" id="auto-orient"></a>-auto-orient</h3> </div> -<p class="magick-description">adjusts an image so that its orientation is suitable for viewing (i.e. top-left orientation).</p> +<p class="magick-description">Adjusts an image so that its orientation is suitable for viewing (i.e. top-left orientation).</p> <p>This operator reads and resets the EXIF image profile setting 'Orientation' and then performs the appropriate 90 degree rotation on the image to orient @@ -488,16 +491,18 @@ href="command-line-options.html#auto-orient" >-auto-orient</a> operator will do <h3><a class="anchor" id="auto-threshold"></a>-auto-threshold <var>method</var></h3> </div> -<p class="magick-description">automatically perform image thresholding.</p> +<p class="magick-description">Automatically perform image thresholding.</p> <p>Here are the valid methods:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">Undefined</dt><dd class="col-md-8">0: No method specified (equivalent to '<code>OTSU</code>').</dd> <dt class="col-md-4">Kapur</dt><dd class="col-md-8">maximum entropy thresholding.</dd> <dt class="col-md-4">OTSU</dt><dd class="col-md-8">cluster-based image thresholding.</dd> <dt class="col-md-4">Triangle</dt><dd class="col-md-8">a geometric thresholding method.</dd> </dl> +</div> <p>The computed threshold is returned as the <kbd>auto-threshold:threshold</kbd> image property. To instead print to your device, use <kbd>-define auto-threshold:threshold=true</kbd>.</p> @@ -582,6 +587,31 @@ href="http://en.wikipedia.org/wiki/High_dynamic_range_imaging">Wikipedia</a> entry. </p> <div style="margin: auto;"> + <h3><a class="anchor" id="bilateral-blur"></a>-bilateral-blur <var>width</var>{x<var>height</var>}{<var>+intensity-sigma</var>}{<var>+spatial-sigma</var>}</h3> +</div> + +<p class="magick-description">A non-linear, edge-preserving, and noise-reducing +smoothing filter for images. It replaces the intensity of each pixel with a +weighted average of intensity values from nearby pixels. This weight is +based on a Gaussian distribution. The weights depend not only on Euclidean +distance of pixels, but also on the radiometric differences (e.g., range +differences, such as color intensity, depth distance, etc.). This preserves +sharp edges.</p> + +<p>The intensity sigma is in the intensity space. A larger value means +that farther colors within the pixel neighborhood (see spatial-sigma) +will be mixed together, resulting in larger areas of semi-equal color.</p> + +<p>The spatial sigma is in the coordinate space. A larger value means that +farther pixels influence each other as long as their colors are close +enough (see intensity-sigma ). When the neigborhood diameter is greater +than zero, it specifies the neighborhood size regardless of +spatial-sigma. Otherwise, the neigborhood diameter is proportional to +spatial-sigma.</p> +<p>The default value for the intensity and spatial sigmas are <var>0.75*diameter</var> and <var>0.25*diameter</var> respectively.</p> + + +<div style="margin: auto;"> <h3><a class="anchor" id="black-point-compensation"></a>-black-point-compensation</h3> </div> @@ -595,14 +625,14 @@ entry. </p> <p> The threshold value can be given as a percentage or as an absolute integer value within [0, <var>QuantumRange</var>] corresponding to the -desired <a class="text-nowrap" href="command-line-options.html#channel">-channel</a> value. See <a class="text-nowrap" href="command-line-options.html#threshold">-threshold</a>for more details on thresholds and resulting values. </p> +desired <a class="text-nowrap" href="command-line-options.html#channel">-channel</a> value. See <a class="text-nowrap" href="command-line-options.html#threshold">-threshold</a> for more details on thresholds and resulting values. </p> <div style="margin: auto;"> <h3><a class="anchor" id="blend"></a>-blend <var>geometry</var></h3> </div> -<p class="magick-description">blend an image into another by the given absolute value or percent.</p> +<p class="magick-description">Blend an image into another by the given absolute value or percent.</p> <p>Blend will average the images together ('plus') according to the percentages given and each pixels transparency. If only a single percentage @@ -622,12 +652,12 @@ the background image is weighted by the exact opposite amount. That is a <h3><a class="anchor" id="blue-shift"></a>-blue-shift <var>factor</var></h3> </div> -<p class="magick-description">simulate a scene at nighttime in the moonlight. Start with a factor of 1.5</p> +<p class="magick-description">Simulate a scene at nighttime in the moonlight. Start with a factor of 1.5</p> <div style="margin: auto;"> <div style="margin: auto;"> - <h3><a class="anchor" id="blur"></a>-blur <var>radius</var><br />-blur <var>radius</var>x<var>sigma</var></h3> + <h3><a class="anchor" id="blur"></a>-blur <var>radius</var><br />-blur <var>radius</var>{x<var>sigma</var>}</h3> </div> <p class="magick-description">Reduce image noise and reduce detail levels.</p> @@ -674,6 +704,7 @@ ignored. </p> <p>As of IM 6.7.8-8, the <var>geometry</var> arguments behave as follows:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4"><var>value</var></dt> <dd class="col-md-8">value is added to both left/right and top/bottom</dd> @@ -700,6 +731,7 @@ ignored. </p> <dt class="col-md-4">0%<code>x</code><var>value-y</var>%</dt> <dd class="col-md-8">value-y % of height is added to top/bottom and left/right are unchanged</dd> </dl> +</div> <p>Set the border color by preceding with the <a href="command-line-options.html#bordercolor">-bordercolor</a> setting.</p> @@ -775,12 +807,12 @@ symbol is no different than leaving it off.</p> <p class="magick-description">(This option has been replaced by the <a href='command-line-options.html#limit'>-limit</a> option).</p> <div style="margin: auto;"> - <h3><a class="anchor" id="canny"></a>-canny <var>radius</var><br/>-canny <var>radius</var>x<var>sigma</var>{<var>+lower-percent</var>}{<var>+upper-percent</var>}</h3> + <h3><a class="anchor" id="canny"></a>-canny <var>radius</var><br/>-canny <var>radius</var>{x<var>sigma</var>}{<var>+lower-percent</var>}{<var>+upper-percent</var>}</h3> </div> <p class="magick-description">Canny edge detector uses a multi-stage algorithm to detect a wide range of edges in the image.</p> -<p>The thresholds range from 0 to 100% (e.g. -canny 0x1+10%+30%) with {<var>+lower-percent</var>} < {<var>+upper-percent</var>}. If {<var>+upper-percent</var>} is increased but {<var>+lower-percent</var>} remains the same, lesser edge components will be detected, but their lengths will be the same. If {<var>+lower-percent</var>} is increased but {<var>+upper-percent</var>} is the same, the same number of edge components will be detected but their lengths will be shorter. The default thresholds are shown. The <var>radius</var>x<var>sigma</var> controls a gaussian blur applied to the input image to reduce noise and smooth the edges.</p> +<p>The thresholds range from 0 to 100% (e.g. -canny 0x1+10%+30%) with {<var>+lower-percent</var>} < {<var>+upper-percent</var>}. If {<var>+upper-percent</var>} is increased but {<var>+lower-percent</var>} remains the same, lesser edge components will be detected, but their lengths will be the same. If {<var>+lower-percent</var>} is increased but {<var>+upper-percent</var>} is the same, the same number of edge components will be detected but their lengths will be shorter. The default thresholds are shown. The <var>radius</var>{x<var>sigma</var>} controls a gaussian blur applied to the input image to reduce noise and smooth the edges.</p> <div style="margin: auto;"> <h3><a class="anchor" id="caption"></a>-caption <var>string</var></h3> @@ -819,7 +851,7 @@ that the image <code>bird.miff</code> has a width of 512 and a height of <h3><a class="anchor" id="cdl"></a>-cdl <var>filename</var></h3> </div> -<p class="magick-description">color correct with a color decision list.</p> +<p class="magick-description">Color correct with a color decision list.</p> <p>Here is an example color correction collection:</p> @@ -856,29 +888,29 @@ abbreviated as a concatenation of the letters '<code>R</code>', '<code>G</code>' '<code>M</code>', '<code>Y</code>', '<code>K</code>'.</p> <p>The numerals 0 to 31 may also be used to specify channels, where 0 to 5 are: <br /> +<ul> '<code>0</code>' equals <code>Red</code> or <code>Cyan</code> <br /> '<code>1</code>' equals <code>Green</code> or <code>Magenta</code> <br /> '<code>2</code>' equals <code>Blue</code> or <code>Yellow</code> <br /> '<code>3</code>' equals <code>Black</code> <br /> '<code>4</code>' equals <code>Alpha</code> or <code>Opacity</code> <br /> '<code>5</code>' equals <code>Index</code></p> +</ul> <p>For example, to only select the <code>Red</code> and <code>Blue</code> channels you can use any of the following:</p> -<pre class="highlight"> +<ul><pre class="highlight"> <code>-channel Red,Blue</code> <code>-channel R,B</code> <code>-channel RB</code> <code>-channel 0,2</code> -</pre> +</pre></ul> <p>All the channels that are present in an image can be specified using the special channel type <code>All</code>. Not all operators are 'channel capable', but generally any operators that are generally 'grey-scale' image operators, will understand this setting. See individual operator documentation. </p> -<br/> - <p>On top of the normal channel selection an extra flag can be specified, '<code>Sync</code>'. This is turned on by default and if set means that operators that understand this flag should perform: cross-channel @@ -978,7 +1010,7 @@ href="command-line-options.html#clut">-clut</a> operator is a good example of th <h3><a class="anchor" id="channel-fx"></a>-channel-fx <var>expression</var></h3> </div> -<p class="magick-description">exchange, extract, or copy one or more image channels.</p> +<p class="magick-description">Exchange, extract, or copy one or more image channels.</p> <p>The expression consists of one or more channels, either mnemonic or numeric (e.g. red or 0, green or 1, etc.), separated by certain operation symbols as follows:</p> @@ -1041,7 +1073,7 @@ href="command-line-options.html#splice">-splice</a> that was given the same <var <h3><a class="anchor" id="clahe"></a>-clahe <var>width</var>x<var>height</var>{%}{+}<var>number-bins</var>{+}<var>clip-limit</var>{!}</h3> </div> -<p class="magick-description">contrast limited adaptive histogram equalization.</p> +<p class="magick-description">Contrast limited adaptive histogram equalization.</p> <p> The image is divided into tiles of <var>width</var> and <var>height</var> pixels. Append <code>%</code> to define the width and height as percentages of the image's dimensions. The tile size should be larger than the size of features to be preserved and respects the aspect ratio of the image. Add <code>!</code> to force an exact tile width and height. <var>number-bins</var> is the number of histogram bins per tile (min 2, max 65536). The number of histogram bins should be smaller than the number of pixels in a single tile. <var>clip-limit</var> is the contrast limit for localized changes in contrast. A clip-limit of 2 to 3 is a good starting place (e.g. -clahe 50x50%+128+3). Very large values will let the histogram equalization do whatever it wants to do, that is result in maximal local contrast. The value 1 will result in the original image. Note, if the number of bins and the clip-limit are ommitted, they default to 128 and no clipping respectively.</p> @@ -1049,7 +1081,7 @@ href="command-line-options.html#splice">-splice</a> that was given the same <var <h3><a class="anchor" id="clamp"></a>-clamp</h3> </div> -<p class="magick-description">set each pixel whose value is below zero to zero and any the pixel whose value is above the quantum range to the quantum range (e.g. 65535) otherwise the pixel value remains unchanged.</p> +<p class="magick-description">Set each pixel whose value is below zero to zero and any the pixel whose value is above the quantum range to the quantum range (e.g. 65535) otherwise the pixel value remains unchanged.</p> <div style="margin: auto;"> <h3><a class="anchor" id="clip"></a>-clip</h3> @@ -1103,7 +1135,7 @@ operation. </p> <h3><a class="anchor" id="clone"></a>-clone <var>index(s)</var></h3> </div> -<p class="magick-description">make a clone of an image (or images).</p> +<p class="magick-description">Make a clone of an image (or images).</p> <p>Inside parenthesis (where the operator is normally used) it will make a clone of the images from the last 'pushed' image sequence, and adds them to @@ -1235,7 +1267,7 @@ color reduction algorithm</a> for more details.</p> <h3><a class="anchor" id="color-matrix"></a>-color-matrix <var>matrix</var></h3> </div> -<p class="magick-description">apply color correction to the image.</p> +<p class="magick-description">Apply color correction to the image.</p> <p>This option permits saturation changes, hue rotation, luminance to alpha, and various other effects. Although variable-sized transformation matrices @@ -1277,6 +1309,7 @@ Undefined <p>For a more accurate color conversion to or from the linear RGB, CMYK, or grayscale colorspaces, use the <a href="command-line-options.html#profile">-profile</a> option. Note, ImageMagick assumes the sRGB colorspace if the image format does not indicate otherwise. For colorspace conversion, the gamma function is first removed to produce linear RGB.</p> +<div class="pre-scrollable"> <table class="table table-sm table-hover"> <caption>Conversion of RGB to Other Color Spaces</caption> <tr><th valign="middle">CMY</th></tr> @@ -1374,6 +1407,7 @@ Undefined <tr><td valign="middle">U=(−0.14740*R−0.28950*G+0.43690*B)*(<var>QuantumRange</var>+1)/2</td></tr> <tr><td valign="middle">V=(0.61500*R−0.51500*G−0.10000*B)*(<var>QuantumRange</var>+1)/2</td></tr> </table> +</div> <p>Note the scRGB colorspace requires HDRI support otherwise it behaves just like linear RGB.</p> @@ -1444,7 +1478,7 @@ that the image <code>bird.miff</code> has a width of 512 and a height of <h3><a class="anchor" id="compare"></a>-compare</h3> </div> -<p class="magick-description">mathematically and visually annotate the difference between an image and its reconstruction</p> +<p class="magick-description">Mathematically and visually annotate the difference between an image and its reconstruction</p> <p>This is a convert version of "<code>compare</code>" for two same sized images. The syntax is as follows, but other metrics are allowed.</p> @@ -1461,7 +1495,7 @@ that the image <code>bird.miff</code> has a width of 512 and a height of <h3><a class="anchor" id="complex"></a>-complex <var>operator</var></h3> </div> -<p class="magick-description">perform complex mathematics on an image sequence</p> +<p class="magick-description">Perform complex mathematics on an image sequence</p> Choose from these operators: @@ -1663,7 +1697,7 @@ entry. </p> <h3><a class="anchor" id="copy"></a>-copy <var>geometry</var> <var>offset</var></h3> </div> -<p class="magick-description">copy pixels from one area of an image to another.</p> +<p class="magick-description">Copy pixels from one area of an image to another.</p> <div style="margin: auto;"> <h3><a class="anchor" id="crop"></a>-crop <var>geometry</var>{<var>@</var>}{<var>!</var>}</h3> @@ -1721,7 +1755,7 @@ offset.</p> <h3><a class="anchor" id="cycle"></a>-cycle <var>amount</var></h3> </div> -<p class="magick-description">displace image colormap by amount.</p> +<p class="magick-description">Displace image colormap by amount.</p> <p><var>Amount</var> defines the number of positions each colormap entry is shifted.</p> @@ -1731,7 +1765,7 @@ colormap entry is shifted.</p> <h3><a class="anchor" id="debug"></a>-debug <var>events</var></h3> </div> -<p class="magick-description">enable debug printout.</p> +<p class="magick-description">Enable debug printout.</p> <p>The <code>events</code> parameter specifies which events are to be logged. It can be either <code>None</code>, <code>All</code>, <code>Trace</code>, or @@ -1781,7 +1815,7 @@ Decipher an Image</a>.</p> <h3><a class="anchor" id="deconstruct"></a>-deconstruct</h3> </div> -<p class="magick-description">find areas that has changed between images </p> +<p class="magick-description">Find areas that has changed between images </p> <p>Given a sequence of images all the same size, such as produced by <a href="command-line-options.html#coalesce">-coalesce</a>, replace the second and later images, with @@ -1800,7 +1834,7 @@ method '<code>compare-any</code>'. </p> <h3><a class="anchor" id="define"></a>-define <var>key</var>{<var>=value</var>}<var>...</var></h3> </div> -<p class="magick-description">add specific global settings generally used to control coders and image processing operations.</p> +<p class="magick-description">Add specific global settings generally used to control coders and image processing operations.</p> <p>This option creates one or more definitions for coders and decoders to use while reading and writing image data. Definitions are generally used to @@ -1841,7 +1875,7 @@ use:</p> <h3><a class="anchor" id="delay"></a>-delay <var>ticks</var> <br />-delay <var>ticks</var>x<var>ticks-per-second</var> {<var><</var>} {<var>></var>}</h3> </div> -<p class="magick-description">display the next image after pausing.</p> +<p class="magick-description">Display the next image after pausing.</p> <p>This option is useful for regulating the animation of image sequences <var>ticks/ticks-per-second</var> seconds must expire before the display of the @@ -1862,7 +1896,7 @@ a file redirection.</p> <h3><a class="anchor" id="delete"></a>-delete <var>indexes</var></h3> </div> -<p class="magick-description">delete the images specified by index, from the image sequence.</p> +<p class="magick-description">Delete the images specified by index, from the image sequence.</p> <p>Specify the image by its index in the sequence. The first image is index 0. Negative indexes are relative to the end of the sequence, for example, -1 @@ -1909,7 +1943,7 @@ resolution, use the <a href="command-line-options.html#resample">-resample</a> o <h3><a class="anchor" id="depth"></a>-depth <var>value</var></h3> </div> -<p class="magick-description">depth of the image.</p> +<p class="magick-description">Depth of the image.</p> <p>This the number of bits in a color sample within a pixel. Use this option to specify the depth of raw images whose depth is unknown such as GRAY, RGB, @@ -1921,13 +1955,13 @@ or CMYK, or to change the depth of any image after it has been read.</p> <h3><a class="anchor" id="descend"></a>-descend</h3> </div> -<p class="magick-description">obtain image by descending window hierarchy.</p> +<p class="magick-description">Obtain image by descending window hierarchy.</p> <div style="margin: auto;"> <h3><a class="anchor" id="deskew"></a>-deskew <var>threshold{%}</var></h3> </div> -<p class="magick-description">straighten an image. A threshold of 40% works for most images.</p> +<p class="magick-description">Straighten an image. A threshold of 40% works for most images.</p> <p>Use <a href="command-line-options.html#set">-set</a> <code>option:deskew:auto-crop <var>true | false</var></code> to auto crop the image.</p> @@ -1936,19 +1970,19 @@ or CMYK, or to change the depth of any image after it has been read.</p> <h3><a class="anchor" id="despeckle"></a>-despeckle</h3> </div> -<p class="magick-description">reduce the speckles within an image.</p> +<p class="magick-description">Reduce the speckles within an image.</p> <div style="margin: auto;"> <h3><a class="anchor" id="direction"></a>-direction <var>type</var></h3> </div> -<p class="magick-description">render text right-to-left or left-to-right. Requires the <a href="https://github.com/HOST-Oman/libraqm">RAQM</a> delegate library and <a href="https://en.wikipedia.org/wiki/Complex_text_layout">complex text layout</a>.</p> +<p class="magick-description">Render text right-to-left or left-to-right. Requires the <a href="https://github.com/HOST-Oman/libraqm">RAQM</a> delegate library and <a href="https://en.wikipedia.org/wiki/Complex_text_layout">complex text layout</a>.</p> <div style="margin: auto;"> <h3><a class="anchor" id="displace"></a>-displace <var>horizontal-scale</var>{%}{!}<br />-displace <var>horizontal-scale</var>x<var>vertical-scale</var>{%}{!}</h3> </div> -<p class="magick-description">shift image pixels as defined by a displacement map.</p> +<p class="magick-description">Shift image pixels as defined by a displacement map.</p> <p>With this option, the 'overlay' image, and optionally the 'mask' image, is used as a displacement map, which is used to displace the lookup of @@ -2017,7 +2051,7 @@ X server. See <var>X(1)</var>.</p> <h3><a class="anchor" id="dispose"></a>-dispose <var>method</var></h3> </div> -<p class="magick-description">define the GIF disposal image setting for images that are being created or read in. </p> +<p class="magick-description">Define the GIF disposal image setting for images that are being created or read in. </p> <p>The layer disposal method defines the way each the displayed image is to be modified after the current 'frame' of an animation has finished being @@ -2026,12 +2060,14 @@ animation is to be overlaid onto the display. </p> <p>Here are the valid methods:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">Undefined</dt><dd class="col-md-8">0: No disposal specified (equivalent to '<code>none</code>').</dd> <dt class="col-md-4">None</dt><dd class="col-md-8">1: Do not dispose, just overlay next frame image.</dd> <dt class="col-md-4">Background</dt><dd class="col-md-8">2: Clear the frame area with the background color.</dd> <dt class="col-md-4">Previous</dt><dd class="col-md-8">3: Clear to the image prior to this frames overlay.</dd> </dl> +</div> <p>You can also use the numbers given above, which is what the GIF format uses internally to represent the above settings. </p> @@ -2048,14 +2084,14 @@ disposal method for images already in memory.</p> <h3><a class="anchor" id="dissimilarity-threshold"></a>-dissimilarity-threshold <var>value</var></h3> </div> -<p class="magick-description">maximum RMSE for subimage match (default 0.2).</p> +<p class="magick-description">Maximum RMSE for subimage match (default 0.2).</p> <div style="margin: auto;"> <h3><a class="anchor" id="dissolve"></a>-dissolve <var>src_percent</var>[x<var>dst_percent</var>]</h3> </div> -<p class="magick-description">dissolve an image into another by the given percent.</p> +<p class="magick-description">Dissolve an image into another by the given percent.</p> <p>The opacity of the composite image is multiplied by the given percent, then it is composited 'over' the main image. If <var>src_percent</var> @@ -2071,7 +2107,7 @@ images, you would need to use dissolve values of '50,100'. </p> <h3><a class="anchor" id="distort"></a>-distort <var>method arguments</var></h3> </div> -<p class="magick-description">distort an image, using the given <var>method</var> and its required <var>arguments</var>.</p> +<p class="magick-description">Distort an image, using the given <var>method</var> and its required <var>arguments</var>.</p> <p>The <var>arguments</var> is a single string containing a list of floating point numbers separated by commas or spaces. The number of @@ -2079,6 +2115,7 @@ and meaning of the floating point values depends on the distortion <var>method</ <p>Choose from these distortion types:</p> +<div class="pre-scrollable"> <table class="table table-sm table-hover"> <tr> <th style="width: 8%">Method</th> @@ -2370,6 +2407,7 @@ and meaning of the floating point values depends on the distortion <var>method</ </tr> </table> +</div> <p>To print a complete list of distortion methods, use <a href="command-line-options.html#list">-list distort</a>.</p> @@ -2474,7 +2512,7 @@ lookup value. This is typically only used for debugging EWA resampling. </p> <h3><a class="anchor" id="distribute-cache"></a>-distribute-cache <var>port</var></h3> </div> -<p class="magick-description">launch a distributed pixel cache server. </p> +<p class="magick-description">Launch a distributed pixel cache server. </p> <div style="margin: auto;"> <h3><a class="anchor" id="dither"></a>-dither <var>method</var></h3> @@ -2524,6 +2562,7 @@ operations.</p> <p>The shape primitives:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">point</dt><dd class="col-md-8"> x,y</dd> <dt class="col-md-4">line</dt><dd class="col-md-8"> x0,y0 x1,y1</dd> @@ -2538,6 +2577,7 @@ operations.</p> <dt class="col-md-4">path</dt><dd class="col-md-8">specification </dd> <dt class="col-md-4">image</dt><dd class="col-md-8"> operator x0,y0 w,h filename</dd> </dl> +</div> <p>The text primitive:</p> @@ -2557,6 +2597,7 @@ scope to the <a href="command-line-options.html#draw">-draw</a> option in which <p>The transformation primitives:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">rotate</dt><dd class="col-md-8">degrees</dd> <dt class="col-md-4">translate</dt><dd class="col-md-8">dx,dy</dd> @@ -2564,13 +2605,16 @@ scope to the <a href="command-line-options.html#draw">-draw</a> option in which <dt class="col-md-4">skewX</dt><dd class="col-md-8">degrees</dd> <dt class="col-md-4">skewY</dt><dd class="col-md-8">degrees</dd> </dl> +</div> <p>The pixel operation primitives:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">color</dt><dd class="col-md-8">x0,y0 method</dd> <dt class="col-md-4">matte</dt><dd class="col-md-8">x0,y0 method</dd> </dl> +</div> <p>The shape primitives are drawn in the color specified by the preceding <a href="command-line-options.html#fill">-fill</a> setting. For unfilled shapes, use <a @@ -2674,14 +2718,15 @@ single or double quotes.</p> <p>For example, the following annotates the image with <code>Works like magick!</code> for an image titled <code>bird.miff</code>. </p> -<pre class="highlight"><code>-draw "text 100,100 'Works like magick!' " -</code></pre> +<pre class="highlight"><code>-draw "text 100,100 'Works like magick!'"</code></pre> <p>See the <a href="command-line-options.html#annotate">-annotate</a> option for another convenient way to annotate an image with text.</p> <p>The <code>rotate</code> primitive rotates subsequent shape primitives and -text primitives about the origin of the main image.</p> +text primitives about the origin of the main image:</p> + +<pre class="highlight"><code>-draw "rotate 45 text 10,10 'Works like magick!'"</code></pre> <p>The <code>translate</code> primitive translates subsequent shape and text primitives.</p> @@ -2746,7 +2791,7 @@ Vector Graphics</a> format.</p> <h3><a class="anchor" id="duplicate"></a>-duplicate <var>count,indexes</var></h3> </div> -<p class="magick-description">duplicate an image one or more times.</p> +<p class="magick-description">Duplicate an image one or more times.</p> <p>Specify the count and the image to duplicate by its index in the sequence. The first image is index 0. Negative indexes are relative to the end of the @@ -2759,13 +2804,13 @@ image sequence.</p> <h3><a class="anchor" id="edge"></a>-edge <var>radius</var></h3> </div> -<p class="magick-description">detect edges within an image.</p> +<p class="magick-description">Detect edges within an image.</p> <div style="margin: auto;"> <h3><a class="anchor" id="emboss"></a>-emboss <var>radius</var></h3> </div> -<p class="magick-description">emboss an image.</p> +<p class="magick-description">Emboss an image.</p> <div style="margin: auto;"> <h3><a class="anchor" id="encipher"></a>-encipher <var>filename</var></h3> @@ -2784,7 +2829,7 @@ Decipher an Image</a>.</p> <h3><a class="anchor" id="encoding"></a>-encoding <var>type</var></h3> </div> -<p class="magick-description">specify the text encoding.</p> +<p class="magick-description">Specify the text encoding.</p> <p>Choose from</p> @@ -2818,7 +2863,7 @@ Unicode Wansung <h3><a class="anchor" id="equalize"></a>-equalize</h3> </div> -<p class="magick-description">perform histogram equalization on the image channel-by-channel.</p> +<p class="magick-description">Perform histogram equalization on the image channel-by-channel.</p> <p>To perform histogram equalization on all channels in concert, transform the image into some other color space, such as HSL, OHTA, YIQ or YUV, then @@ -2850,6 +2895,7 @@ a "normalized pixel" is that number divided by the maximum normalized pixels are used, they are restored, following the other calculations, to the full range by multiplying by <var>QuantumRange</var>.)</p> +<div class="pre-scrollable"> <table class="table table-sm table-hover"> <col width="25%" /> <col width="75%" /> @@ -2903,6 +2949,7 @@ calculations, to the full range by multiplying by <var>QuantumRange</var>.)</p> <tr><td>ThresholdWhite </td> <td>Threshold pixels to maximum values above <var>value</var>. </td></tr> </tbody> </table> +</div> <p>The specified functions are applied only to each previously set <a href="command-line-options.html#channel" >-channel</a> in the image. If necessary, the results of the @@ -3055,7 +3102,7 @@ href="command-line-options.html#style">-style</a>, and <a href="command-line-opt <h3><a class="anchor" id="features"></a>-features <var>distance</var></h3> </div> -<p class="magick-description">display (co-occurrence matrix) texture measure features for each channel in the image in each of four directions (horizontal, vertical, left and right diagonals) for the specified distance.</p> +<p class="magick-description">Display (co-occurrence matrix) texture measure features for each channel in the image in each of four directions (horizontal, vertical, left and right diagonals) for the specified distance.</p> <pre class="highlight"><code>Angular Second Moment Sum Entropy Contrast Entropy @@ -3070,7 +3117,7 @@ Sum Variance Maximum Correlation Coefficient <h3><a class="anchor" id="fft"></a>-fft</h3> </div> -<p class="magick-description">implements the forward discrete Fourier transform (DFT).</p> +<p class="magick-description">Implements the forward discrete Fourier transform (DFT).</p> <p>This option is new as of ImageMagick 6.5.4-3 (and now working for Windows users in ImageMagick 6.6.0-9). It transforms an image from the normal @@ -3178,7 +3225,7 @@ href="http://www.fmwconcepts.com/imagemagick/fourier_transforms/fourier.html" <h3><a class="anchor" id="fill"></a>-fill <var>color</var></h3> </div> -<p class="magick-description">color to use when filling a graphic primitive.</p> +<p class="magick-description">Color to use when filling a graphic primitive.</p> <p>This option accepts a color name, a hex color, or a numerical RGB, RGBA, HSL, HSLA, CMYK, or CMYKA specification. See <a href="color.html" >Color Names</a> for @@ -3248,6 +3295,7 @@ filter</a> option.</p> use of these expert settings (see also <a href="command-line-options.html#define" >-define</a> and <a href="command-line-options.html#set" >-set</a>):-</p> +<div class="pre-scrollable"> <table class="table table-sm table-hover"> <tr> <td>-define filter:blur=<var>factor</var></td> @@ -3360,6 +3408,7 @@ href="command-line-options.html#set" >-set</a>):-</p> </tr> </table> +</div> <p>For example, to get a 8 lobe jinc windowed sinc filter (Genseng filter?):</p> @@ -3410,7 +3459,7 @@ resizing.</p> <h3><a class="anchor" id="flip"></a>-flip</h3> </div> -<p class="magick-description">create a <var>mirror image</var></p> +<p class="magick-description">Create a <var>mirror image</var></p> <p>reflect the scanlines in the vertical direction. The image will be mirrored upside-down. </p> @@ -3420,7 +3469,7 @@ upside-down. </p> <h3><a class="anchor" id="floodfill"></a>-floodfill {<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var> <var>color</var></h3> </div> -<p class="magick-description">floodfill the image with color at the specified offset.</p> +<p class="magick-description">Floodfill the image with color at the specified offset.</p> <p>Flood fill starts from the given 'seed point' which is not gravity affected. Any color that matches within <a href="command-line-options.html#fuzz" >-fuzz</a> color distance of the @@ -3441,7 +3490,7 @@ its 'color floodfill' drawing method. </p> <h3><a class="anchor" id="flop"></a>-flop</h3> </div> -<p class="magick-description">create a <var>mirror image</var>.</p> +<p class="magick-description">Create a <var>mirror image</var>.</p> <p>Reflect the scanlines in the horizontal direction, just like the image in a vertical mirror. </p> @@ -3451,7 +3500,7 @@ a vertical mirror. </p> <h3><a class="anchor" id="font"></a>-font <var>name</var></h3> </div> -<p class="magick-description">set the font to use when annotating images with text, or creating labels.</p> +<p class="magick-description">Set the font to use when annotating images with text, or creating labels.</p> <p>To print a complete list of fonts, use the <a href="command-line-options.html#list">-list font</a> option (for versions prior to 6.3.6, use 'type' instead of 'font').</p> @@ -3481,7 +3530,7 @@ href="command-line-options.html#fill">-fill</a> option.</p> <h3><a class="anchor" id="format"></a>-format <var>type</var></h3> </div> -<p class="magick-description">the image format type.</p> +<p class="magick-description">The image format type.</p> <p>When used with the <code>mogrify</code> utility, this option converts any image to the image <a href="formats.html">format</a> you specify. @@ -3499,7 +3548,7 @@ filename becomes <var>image.tiff</var>.</p> <h3><a class="anchor" id="format_identify_"></a>-format <var>string</var></h3> </div> -<p class="magick-description">output formatted image characteristics.</p> +<p class="magick-description">Output formatted image characteristics.</p> <p>See <a href="escape.html">Format and Print Image Properties</a> for an explanation on how to specify the argument to this @@ -3541,7 +3590,7 @@ affected by the <a href="command-line-options.html#gravity">-gravity</a> option. <h3><a class="anchor" id="frame_import_"></a>-frame</h3> </div> -<p class="magick-description">include the X window frame in the imported image. </p> +<p class="magick-description">Include the X window frame in the imported image. </p> <div style="margin: auto;"> <h3><a class="anchor" id="function"></a>-function <var>function</var> <var>parameters</var></h3> </div> @@ -3570,6 +3619,7 @@ Arctan <p>To print a complete list of <a href="command-line-options.html#function">-function</a> operators, use <a href="command-line-options.html#list">-list function</a>. Descriptions follow.</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">Polynomial</dt> <dd class="col-md-8"><p>The <code>Polynomial</code> function takes an arbitrary number of parameters, @@ -3593,6 +3643,7 @@ polynomials) of the <a href="command-line-options.html#evaluate">-evaluate</a> o href="command-line-options.html#level">-level</a> operator also affects channels linearly. Some correspondences follow.</p> +<div class="pre-scrollable"> <table class="table table-sm table-hover"> <tr> <td>-evaluate Set <var>value</var> </td> @@ -3617,6 +3668,7 @@ correspondences follow.</p> <td>(Reduce contrast. Here, A=(white-black)/100 and B=black/100.)</td> </tr> </table> +</div> <p>The <code>Polynomial</code> function gives great versatility, since polynomials can be used to fit any continuous curve to any degree of accuracy @@ -3654,6 +3706,7 @@ is 0.</p> <code>Cos</code> of the <a href="command-line-options.html#evaluate">-evaluate</a> operator by allowing varying amplitude, phase and bias. The correspondence is as follows.</p> +<div class="pre-scrollable"> <table class="table table-sm table-hover"> <tr> <td>-evaluate Sin <var>freq</var> </td> @@ -3664,6 +3717,7 @@ varying amplitude, phase and bias. The correspondence is as follows.</p> <td>-function Sinusoid <var>freq</var>,90 </td> </tr> </table> +</div> </dd> <dt class="col-md-4">ArcSin</dt> <dd class="col-md-8"> @@ -3699,6 +3753,7 @@ All these values can be adjusted via the arguments.</p> </code></pre> </dd> </dl> +</div> @@ -3726,7 +3781,7 @@ appending <code>%</code> as a percentage of the maximum possible intensity (255, <h3><a class="anchor" id="fx"></a>-fx <var>expression</var></h3> </div> -<p class="magick-description">apply a mathematical expression to an image or image channels.</p> +<p class="magick-description">Apply a mathematical expression to an image or image channels.</p> <p>If the first character of <var>expression</var> is <code>@</code>, the expression is read from a file titled by the remaining characters in the @@ -3741,7 +3796,7 @@ option.</p> <h3><a class="anchor" id="gamma"></a>-gamma <var>value</var></h3> </div> -<p class="magick-description">level of gamma correction.</p> +<p class="magick-description">Level of gamma correction.</p> <p>The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to @@ -3771,7 +3826,7 @@ chunk, use</p> <p>Note that gamma adjustments are also available via the <a href="command-line-options.html#level">-level</a> operator.</p> <div style="margin: auto;"> - <h3><a class="anchor" id="gaussian-blur"></a>-gaussian-blur <var>radius</var><br />-gaussian-blur <var>radius</var>x<var>sigma</var></h3> + <h3><a class="anchor" id="gaussian-blur"></a>-gaussian-blur <var>radius</var><br />-gaussian-blur <var>radius</var>{x<var>sigma</var>}</h3> </div> <p class="magick-description">Blur the image with a Gaussian operator.</p> @@ -3871,7 +3926,7 @@ within a tile. The default gravity is <code>Center</code> for this purpose.</p> <h3><a class="anchor" id="grayscale"></a>-grayscale <var>method</var></h3> </div> -<p class="magick-description">convert image to grayscale.</p> +<p class="magick-description">Convert image to grayscale.</p> <p>This will use one of the <a href="command-line-options.html#intensity" >-intensity</a> methods to convert the given image into a grayscale image. </p> @@ -3889,8 +3944,6 @@ or <code>magick in.png -colorspace LinearGray out.png</code> </pre> -<p>Note that LinearGray is new as of Imagemagick 6.9.9-29 and 7.0.7-17.</p> - <p>Similarly, to convert an image to (non-linear) Rec709Luma grayscale, type:</p> <pre class="highlight"><code>magick in.png -grayscale Rec709Luma out.png @@ -3915,14 +3968,14 @@ will not affect other operations that may use that setting.</p> <h3><a class="anchor" id="green-primary"></a>-green-primary <var>x,y</var></h3> </div> -<p class="magick-description">green chromaticity primary point.</p> +<p class="magick-description">Green chromaticity primary point.</p> <div style="margin: auto;"> <h3><a class="anchor" id="hald-clut"></a>-hald-clut</h3> </div> -<p class="magick-description">apply a Hald color lookup table to the image.</p> +<p class="magick-description">Apply a Hald color lookup table to the image.</p> <p>A Hald color lookup table is a 3-dimensional color cube mapped to 2 dimensions. Create it with the <code>HALD:</code> prefix (e.g. HALD:8). You @@ -3952,19 +4005,19 @@ mapping. </p> <h3><a class="anchor" id="help"></a>-help</h3> </div> -<p class="magick-description">print usage instructions.</p> +<p class="magick-description">Print usage instructions.</p> <div style="margin: auto;"> <h3><a class="anchor" id="highlight-color"></a>-highlight-color <var>color</var></h3> </div> -<p class="magick-description">when comparing images, emphasize pixel differences with this color.</p> +<p class="magick-description">When comparing images, emphasize pixel differences with this color.</p> <div style="margin: auto;"> <h3><a class="anchor" id="hough-lines"></a>-hough-lines <var>width</var>x<var>height</var>{<var>+threshold</var>}</h3> </div> -<p class="magick-description">identify straight lines in the image (e.g. -hough-lines 9x9+195).</p> +<p class="magick-description">Identify straight lines in the image (e.g. -hough-lines 9x9+195).</p> <p>Use the Hough line detector with any binary edge extracted image to locate and draw any straight lines that it finds.</p> @@ -3986,7 +4039,7 @@ mapping. </p> <h3><a class="anchor" id="iconGeometry"></a>-iconGeometry <var>geometry</var></h3> </div> -<p class="magick-description">specify the icon geometry.</p> +<p class="magick-description">Specify the icon geometry.</p> <p>Offsets, if present in the geometry specification, are handled in the same manner as the <a href="command-line-options.html#geometry">-geometry</a> option, using X11 style to @@ -3998,13 +4051,13 @@ handle negative offsets.</p> <h3><a class="anchor" id="iconic"></a>-iconic</h3> </div> -<p class="magick-description">start in icon mode in X Windows", 'animate', 'display</p> +<p class="magick-description">Start in icon mode in X Windows", 'animate', 'display</p> <div style="margin: auto;"> <h3><a class="anchor" id="identify"></a>-identify</h3> </div> -<p class="magick-description">identify the format and characteristics of the image.</p> +<p class="magick-description">Identify the format and characteristics of the image.</p> <p>This information is printed: image scene number; image name; image size; the image class (<var>DirectClass</var> or <var>PseudoClass</var>); the total number of unique colors; and the @@ -4024,7 +4077,7 @@ image histogram, and others.</p> <h3><a class="anchor" id="ift"></a>-ift</h3> </div> -<p class="magick-description">implements the inverse discrete Fourier transform (DFT).</p> +<p class="magick-description">Implements the inverse discrete Fourier transform (DFT).</p> <p>This option is new as of ImageMagick 6.5.4-3 (and now working for Windows users in ImageMagick 6.6.0-9). It transforms a pair of magnitude and phase @@ -4063,19 +4116,19 @@ and imaginary images from the frequency domain to a single image in the normal <h3><a class="anchor" id="immutable"></a>-immutable</h3> </div> -<p class="magick-description">make image immutable.</p> +<p class="magick-description">Make image immutable.</p> <div style="margin: auto;"> <h3><a class="anchor" id="implode"></a>-implode <var>factor</var></h3> </div> -<p class="magick-description">implode image pixels about the center.</p> +<p class="magick-description">Implode image pixels about the center.</p> <div style="margin: auto;"> <h3><a class="anchor" id="insert"></a>-insert <var>index</var></h3> </div> -<p class="magick-description">insert the last image into the image sequence.</p> +<p class="magick-description">Insert the last image into the image sequence.</p> <p>This option takes last image in the current image sequence and inserts it at the given index. If a negative index is used, the insert position is @@ -4090,7 +4143,7 @@ Consequently this has no effect on the image sequence order.</p> <h3><a class="anchor" id="intensity"></a>-intensity <var>method</var></h3> </div> -<p class="magick-description">method to generate intensity value from pixel.</p> +<p class="magick-description">Method to generate intensity value from pixel.</p> <p>ImageMagick provides a number of methods used in situations where an operator needs to determine a single grayscale value for some purpose, from @@ -4101,6 +4154,7 @@ an image with red, green, and blue pixel components. Typically the the pixel values to linear-RGB or non-linear sRGB colorspace before being applied to calculate the final greyscale value. </p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">Rec601Luma</dt><dd class="col-md-8"> 0.298839R' + 0.586811G'+ 0.114350B'</dd> <dt class="col-md-4">Rec601Luminance</dt><dd class="col-md-8"> 0.298839R + 0.586811G + 0.114350B</dd> @@ -4109,6 +4163,7 @@ being applied to calculate the final greyscale value. </p> <dt class="col-md-4">Brightness</dt><dd class="col-md-8"> max(R', G', B')</dd> <dt class="col-md-4">Lightness</dt><dd class="col-md-8"> (min(R', G', B') + max(R', G', B')) / 2.0</dd> </dl> +</div> <p>Note that the above R,G,B values is the image's linear-RGB values, while R',G',B' are sRGB non-linear values. </p> @@ -4117,11 +4172,13 @@ R',G',B' are sRGB non-linear values. </p> current value in the images respective R,G,B channel regardless of what that is, or what colorspace the image is currently using.</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">Average</dt><dd class="col-md-8">(R' + G' + B') / 3.0</dd> <dt class="col-md-4">MS</dt><dd class="col-md-8">(R'^2 + G'^2 + B'^2) / 3.0</dd> <dt class="col-md-4">RMS</dt><dd class="col-md-8">sqrt( (R'^2 + G'^2 + B'^2) / 3.0 )</dd> </dl> +</div> <p>These methods are often used for other purposes, such as generating a grayscale difference image between two color images (using <a href="command-line-options.html#compose" @@ -4168,7 +4225,7 @@ function.</p> <h3><a class="anchor" id="intent"></a>-intent <var>type</var></h3> </div> -<p class="magick-description">use this type of rendering intent when managing the image color.</p> +<p class="magick-description">Use this type of rendering intent when managing the image color.</p> <p>Use this option to affect the color management operation of an image (see <a href="command-line-options.html#profile">-profile</a>). Choose from these intents: <code>Absolute, @@ -4182,7 +4239,7 @@ Perceptual, Relative, Saturation</code>.</p> <h3><a class="anchor" id="interlace"></a>-interlace <var>type</var></h3> </div> -<p class="magick-description">the type of interlacing scheme.</p> +<p class="magick-description">The type of interlacing scheme.</p> <p>Choose from:</p> @@ -4225,6 +4282,7 @@ image. This setting determines how the color is determined from the colors of the pixels surrounding that point. That is how to determine the color of a point that falls between two, or even four different colored pixels. </p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">average</dt> <dd class="col-md-8">The average color of the surrounding four pixels</dd> @@ -4251,6 +4309,7 @@ point that falls between two, or even four different colored pixels. </p> <dt class="col-md-4">spline</dt> <dd class="col-md-8">Direct spline curves (colors are blurred)</dd> </dl> +</div> <p>This most important for distortion operators such as <a href="command-line-options.html#distort" >-distort</a>, <a href="command-line-options.html#implode" >-implode</a>, <a href="command-line-options.html#transform" @@ -4266,19 +4325,19 @@ lookup for positions outside the boundaries of the image. </p> <h3><a class="anchor" id="interline-spacing"></a>-interline-spacing <var>value</var></h3> </div> -<p class="magick-description">the space between two text lines.</p> +<p class="magick-description">The space between two text lines.</p> <div style="margin: auto;"> <h3><a class="anchor" id="interword-spacing"></a>-interword-spacing <var>value</var></h3> </div> -<p class="magick-description">the space between two words.</p> +<p class="magick-description">The space between two words.</p> <div style="margin: auto;"> <h3><a class="anchor" id="kerning"></a>-kerning <var>value</var></h3> </div> -<p class="magick-description">the space between two letters.</p> +<p class="magick-description">The space between two letters.</p> <div style="margin: auto;"> <h3><a class="anchor" id="kmeans"></a>-kmeans <var>colors</var>{x<var>iterations</var>}{+<var>tolerance</var>}</h3> @@ -4287,10 +4346,10 @@ lookup for positions outside the boundaries of the image. </p> <p class="magick-description">Kmeans (iterative) color reduction (e.g. <code>-kmeans 5x100+0.01</code>). Colors is the desired number of colors. Initial colors are found using color quantization. Iterations is the stopping number of iterations (default=100). Convergence is the stopping threshold on the color change between iterations (default=0.01). Processing finishes, if either iterations or tolerance are reached. Use <code>-define kmeans:seed-colors=<var>color-list</var></code> to initialize the colors, where color-list is a semicolon delimited list of seed colors (e.g. <code>-define kmeans:seed-colors="red;sRGB(19,167,254);#00ffff</code>). A color list overrides the color quantization. A non-empty list of colors overrides the number of colors. Any unassigned initial colors are assigned random colors from the image.</p> <div style="margin: auto;"> - <h3><a class="anchor" id="kuwahara"></a>-kuwahara <var>radius</var><br />-kuwahara <var>radius</var>x<var>sigma</var></h3> + <h3><a class="anchor" id="kuwahara"></a>-kuwahara <var>radius</var><br />-kuwahara <var>radius</var>{x<var>sigma</var>}</h3> </div> -<p class="magick-description">edge preserving noise reduction filter.</p> +<p class="magick-description">Edge preserving noise reduction filter.</p> <p>The <var >radius</var> is more important than the <var >sigma</var>. If <var >sigma</var> is left off, it will be computed automatically from the <var >radius</var> as <var >sigma</var>=<var >radius</var>-0.5. The <var >sigma</var> provides a bit of additional smoothing control.</p> @@ -4299,7 +4358,7 @@ lookup for positions outside the boundaries of the image. </p> <h3><a class="anchor" id="label"></a>-label <var>name</var></h3> </div> -<p class="magick-description">assign a label to an image.</p> +<p class="magick-description">Assign a label to an image.</p> <p>Use this option to assign a specific label to the image, as it is read in or created. You can use the <a href="command-line-options.html#set" >-set</a> operation to re-assign @@ -4339,7 +4398,7 @@ formatting characters are recognized.</p> <h3><a class="anchor" id="lat"></a>-lat <var>width</var><br />-lat <var>width</var>x<var>height</var>{<var>+-</var>}<var>offset</var>{<var>%</var>}</h3> </div> -<p class="magick-description">perform local adaptive threshold.</p> +<p class="magick-description">Perform local adaptive threshold.</p> <p>Adaptively threshold each pixel based on the value of pixels in a surrounding window. If the current pixel is lighter than this average plus @@ -4357,12 +4416,13 @@ the local background color, from which to separate the foreground color. </p> <h3><a class="anchor" id="layers"></a>-layers <var>method</var></h3> </div> -<p class="magick-description">handle multiple images forming a set of image layers or animation frames.</p> +<p class="magick-description">Handle multiple images forming a set of image layers or animation frames.</p> <p>Perform various image operation methods to a ordered sequence of images which may represent either a set of overlaid 'image layers', a GIF disposal animation, or a fully-'coalesced' animation sequence. </p> +<div class="pre-scrollable"> <table class="table table-sm table-hover"> <tbody> <tr> @@ -4613,6 +4673,7 @@ animation, or a fully-'coalesced' animation sequence. </p> </tbody> </table> +</div> <p>To print a complete list of layer types, use <a href="command-line-options.html#list">-list layers</a>.</p> @@ -4629,7 +4690,7 @@ settings. </p> <h3><a class="anchor" id="level"></a>-level <var>black_point</var>{,<var>white_point</var>}{<var>%</var>}{,<var>gamma</var>}</h3> </div> -<p class="magick-description">adjust the level of image channels.</p> +<p class="magick-description">Adjust the level of image channels.</p> <p>Given one, two or three values delimited with commas: black-point, white-point, gamma (for example: 10,250,1.0 or 2%,98%,0.5). The black and @@ -4667,7 +4728,7 @@ values (0 is opaque) and not as 'alpha' values (0 is transparent).</p> <h3><a class="anchor" id="level-colors"></a>-level-colors {<var>black_color</var>}{,}{<var>white_color</var>}</h3> </div> -<p class="magick-description">adjust the level of an image using the provided dash separated colors.</p> +<p class="magick-description">Adjust the level of an image using the provided dash separated colors.</p> <p>This function is exactly like <a href="command-line-options.html#level">-level</a>, except that the value for each color channel is determined by the @@ -4826,13 +4887,13 @@ normalization of mathematical images. </p> <h3><a class="anchor" id="linewidth"></a>-linewidth</h3> </div> -<p class="magick-description">the line width for subsequent draw operations.</p> +<p class="magick-description">The line width for subsequent draw operations.</p> <div style="margin: auto;"> <h3><a class="anchor" id="liquid-rescale"></a>-liquid-rescale <var>geometry</var></h3> </div> -<p class="magick-description">rescale image with seam-carving.</p> +<p class="magick-description">Rescale image with seam-carving.</p> <p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p> @@ -4919,7 +4980,7 @@ VirtualPixel list</code>" to get a complete listing of all the "<code>-list</code>" arguments available:</p> -<pre class="highlight"><code>identify -list list +<pre class="highlight"><code>magick identify -list list </code></pre> <div style="margin: auto;"> @@ -4934,6 +4995,7 @@ href="command-line-options.html#debug">-debug</a> option is active.</p> <p>You can display the following components by embedding special format characters:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">%d</dt><dd class="col-md-8">domain</dd> <dt class="col-md-4">%e</dt><dd class="col-md-8">event</dd> @@ -4948,6 +5010,7 @@ characters:</p> <dt class="col-md-4">\n</dt><dd class="col-md-8">newline</dd> <dt class="col-md-4">\r</dt><dd class="col-md-8">carriage return</dd> </dl> +</div> <p>For example:</p> @@ -4960,7 +5023,7 @@ characters:</p> <h3><a class="anchor" id="loop"></a>-loop <var>iterations</var></h3> </div> -<p class="magick-description">add Netscape loop extension to your GIF animation.</p> +<p class="magick-description">Add Netscape loop extension to your GIF animation.</p> <p>Set iterations to zero to repeat the animation an infinite number of times, otherwise the animation repeats itself up to <var>iterations</var> @@ -4970,13 +5033,13 @@ times.</p> <h3><a class="anchor" id="lowlight-color"></a>-lowlight-color <var>color</var></h3> </div> -<p class="magick-description">when comparing images, de-emphasize pixel differences with this color.</p> +<p class="magick-description">When comparing images, de-emphasize pixel differences with this color.</p> <div style="margin: auto;"> <h3><a class="anchor" id="magnify"></a>-magnify</h3> </div> -<p class="magick-description">double or triple the size of the image with pixel art scaling. Specify an alternative scaling method with <code>-define magnify:method=<var>method</var></code> Choose from these methods: <code>eagle2X, eagle3X, eagle3XB, epb2X, fish2X, hq2X, scale2X, scale3X, xbr2X</code>. The default is scale2X.</p> +<p class="magick-description">Double or triple the size of the image with pixel art scaling. Specify an alternative scaling method with <code>-define magnify:method=<var>method</var></code> Choose from these methods: <code>eagle2X, eagle3X, eagle3XB, epb2X, fish2X, hq2X, scale2X, scale3X, xbr2X</code>. The default is scale2X.</p> <div style="margin: auto;"> @@ -5005,10 +5068,11 @@ the type and <code>display</code> searches the list of colormap types in <h3><a class="anchor" id="map_stream_"></a>-map <var>components</var></h3> </div> -<p class="magick-description">pixel map.</p> +<p class="magick-description">Pixel map.</p> <p>Here are the valid components of a map:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">r</dt><dd class="col-md-8"> red pixel component</dd> <dt class="col-md-4">g</dt><dd class="col-md-8"> green pixel component</dd> @@ -5022,6 +5086,7 @@ the type and <code>display</code> searches the list of colormap types in <dt class="col-md-4">k</dt><dd class="col-md-8"> black pixel component</dd> <dt class="col-md-4">p</dt><dd class="col-md-8"> pad component (always 0)</dd> </dl> +</div> <p>You can specify as many of these components as needed in any order (e.g. bgr). The components can repeat as well (e.g. rgbr).</p> @@ -5042,7 +5107,7 @@ style="background-color: #bdbdbd;">this shade of gray</span>.</p> <h3><a class="anchor" id="maximum"></a>-maximum</h3> </div> -<p class="magick-description">return the maximum intensity of an image sequence.</p> +<p class="magick-description">Return the maximum intensity of an image sequence.</p> <p>Select the 'maximum' value from all the surrounding pixels. </p> @@ -5053,7 +5118,7 @@ name. </p> <h3><a class="anchor" id="median"></a>-median <var>geometry</var></h3> </div> -<p class="magick-description">apply a median filter to the image.</p> +<p class="magick-description">Apply a median filter to the image.</p> <p>Select the 'middle' value from all the surrounding pixels. </p> @@ -5064,7 +5129,7 @@ name. </p> <h3><a class="anchor" id="mean-shift"></a>-mean-shift <var>width</var>x<var>height</var>{<var>+distance</var>{%}</h3> </div> -<p class="magick-description">image noise removal and color reduction/segmentation (e.g. -mean-shift 7x7+10%).</p> +<p class="magick-description">Image noise removal and color reduction/segmentation (e.g. -mean-shift 7x7+10%).</p> <p><var>width</var>x<var>height</var> is the window size and <var>distance</var> is the color distance measured in the range 0 to 1 or 0 to 100%</p> @@ -5078,6 +5143,7 @@ name. </p> <p>Choose from:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">AE</dt><dd class="col-md-8"> absolute error count, number of different pixels (-fuzz affected)</dd> <dt class="col-md-4">DSSIM</dt><dd class="col-md-8"> structural dissimilarity index</dd> @@ -5092,6 +5158,7 @@ name. </p> <dt class="col-md-4">RMSE</dt><dd class="col-md-8"> root mean squared (normalized root mean squared)</dd> <dt class="col-md-4">SSIM</dt><dd class="col-md-8"> structural similarity index</dd> </dl> +</div> <p>Control the '<code>AE</code>', or absolute count of pixels that are different, with the <a href="command-line-options.html#fuzz" >-fuzz</a> factor (ignore pixels which @@ -5116,7 +5183,7 @@ metric</a> option.</p> <h3><a class="anchor" id="minimum"></a>-minimum</h3> </div> -<p class="magick-description">return the minimum intensity of an image sequence.</p> +<p class="magick-description">Return the minimum intensity of an image sequence.</p> <p>Select the 'minimal' value from all the surrounding pixels. </p> @@ -5129,7 +5196,7 @@ name. </p> <h3><a class="anchor" id="mode"></a>-mode <var>geometry</var></h3> </div> -<p class="magick-description">make each pixel the \'predominant color\' of the neighborhood.'</p> +<p class="magick-description">Make each pixel the \'predominant color\' of the neighborhood.'</p> <div style="margin: auto;"> <h3>-mode <var>value</var></h3> @@ -5185,27 +5252,27 @@ modulate. Choose from <code>HCL</code>, <code>HCLp</code>, <code>HSB</code>, <c <h3><a class="anchor" id="moments"></a>-moments</h3> </div> -<p class="magick-description">report image moments and perceptual hash.</p> +<p class="magick-description">Report image moments and perceptual hash.</p> <div style="margin: auto;"> <h3><a class="anchor" id="monitor"></a>-monitor</h3> </div> -<p class="magick-description">monitor progress.</p> +<p class="magick-description">Monitor progress.</p> <div style="margin: auto;"> <h3><a class="anchor" id="monochrome"></a>-monochrome</h3> </div> -<p class="magick-description">transform the image to black and white.</p> +<p class="magick-description">Transform the image to black and white.</p> <div style="margin: auto;"> <h3><a class="anchor" id="morph"></a>-morph <var>frames</var></h3> </div> -<p class="magick-description">morphs an image sequence.</p> +<p class="magick-description">Morphs an image sequence.</p> <p>Both the image pixels and size are linearly interpolated to give the appearance of a metamorphosis from one image to the next, over all the images @@ -5219,25 +5286,23 @@ argument determine how many images to interpolate between each image. </p> <h3>-morphology <var>method</var> <var>kernel</var></h3> </div> -<p class="magick-description">apply a morphology method to the image.</p> +<p class="magick-description">Apply a morphology method to the image.</p> -<p>Until I get around to writing an option summary for this, see <a -href="https://legacy.imagemagick.org/Usage/morphology/" >IM Usage Examples, -Morphology</a>. </p> +<p>See <a href="https://legacy.imagemagick.org/Usage/morphology/" >IM Usage Examples, Morphology</a>. </p> <div style="margin: auto;"> <h3><a class="anchor" id="mosaic"></a>-mosaic</h3> </div> -<p class="magick-description">an simple alias for the <a href="command-line-options.html#layers" >-layers</a> method "mosaic"</p> +<p class="magick-description">An simple alias for the <a href="command-line-options.html#layers" >-layers</a> method "mosaic"</p> <div style="margin: auto;"> - <h3><a class="anchor" id="motion-blur"></a>-motion-blur <var>radius</var><br />-motion-blur <var>radius</var>x<var>sigma</var>+<var>angle</var></h3> + <h3><a class="anchor" id="motion-blur"></a>-motion-blur <var>radius</var><br />-motion-blur <var>radius</var>{x<var>sigma</var>}+<var>angle</var></h3> </div> -<p class="magick-description">simulate motion blur.</p> +<p class="magick-description">Simulate motion blur.</p> <p>Blur with the given radius, standard deviation (sigma), and angle. The angle given is the angle toward which the image is blurred. That is the @@ -5254,12 +5319,12 @@ pixels which are outside the image proper are blurred into the final result. <h3><a class="anchor" id="name"></a>-name</h3> </div> -<p class="magick-description">name an image.</p> +<p class="magick-description">Name an image.</p> <div style="margin: auto;"> <h3><a class="anchor" id="negate"></a>-negate</h3> </div> -<p class="magick-description">replace each pixel with its complementary color.</p> +<p class="magick-description">Replace each pixel with its complementary color.</p> <p>The red, green, and blue intensities of an image are negated. White becomes black, yellow becomes blue, etc. Use <a href="command-line-options.html#negate">+negate</a> to only @@ -5340,7 +5405,7 @@ that is better suited to mathematically generated images. </p> <h3><a class="anchor" id="opaque"></a>-opaque <var>color</var></h3> </div> -<p class="magick-description">change this color to the fill color within the image.</p> +<p class="magick-description">Change this color to the fill color within the image.</p> <p>The <var>color</var> argument is defined using the format described under the <a href="command-line-options.html#fill" >-fill</a> option. The <a href="command-line-options.html#fuzz" @@ -5363,7 +5428,7 @@ href="command-line-options.html#channel">-channel</a> to enable alpha channel ha <h3><a class="anchor" id="ordered-dither"></a>-ordered-dither <var>threshold_map</var>{,<var>level</var>...}</h3> </div> -<p class="magick-description">dither the image using a pre-defined ordered dither <var>threshold map</var> specified, and a uniform color map with the +<p class="magick-description">Dither the image using a pre-defined ordered dither <var>threshold map</var> specified, and a uniform color map with the given number of <var>levels</var> per color channel.</p> <p>You can choose from these standard threshold maps:</p> @@ -5422,7 +5487,7 @@ after being created. </p> <h3><a class="anchor" id="orient"></a>-orient <var>image orientation</var></h3> </div> -<p class="magick-description">specify orientation of a digital camera image.</p> +<p class="magick-description">Specify orientation of a digital camera image.</p> <p>Choose from these orientations:</p> @@ -5454,7 +5519,7 @@ href="command-line-options.html#page">-page</a> <code>Letter+43+43</code>).</p> <p>Use <var>media</var> as shorthand to specify the dimensions (<var>width</var>x<var>height</var>) of the <var>PostScript</var> page in dots per inch or a TEXT page in pixels. The choices for paper sizes are: <code>4x6</code>, <code>5x7</code>, <code>7x9</code>, <code>8x10</code>, <code>9x11</code>, <code>9x12</code>, <code>10x13</code>, <code>10x14</code>, <code>11x17</code>, <code>4A0</code>, <code>2A0</code>, <code>a0</code>, <code>a1</code>, <code>a2</code>, <code>a3</code>, <code>a4</code>, <code>a4small</code>, <code>a5</code>, <code>a6</code>, <code>a7</code>, <code>a8</code>, <code>a9</code>, <code>a10</code>, <code>archa</code>, <code>archb</code>, <code>archC</code>, <code>archd</code>, <code>arche</code>, <code>b0</code>, <code>b1</code>, <code>b10</code>, <code>b2</code>, <code>b3</code>, <code>b4</code>, <code>b5</code>, <code>b6</code>, <code>b7</code>, <code>b8</code>, <code>b9</code>, <code>c0</code>, <code>c1</code>, <code>c2</code>, <code>c3</code>, <code>c4</code>, <code>c5</code>, <code>c6</code>, <code>c7</code>, <code>csheet</code>, <code>dsheet</code>, <code>esheet</code>, <code>executive</code>, <code>flsa</code>, <code>flse</code>, <code>folio</code>, <code>halfletter</code>, <code>isob0</code>, <code>isob1</code>, <code>isob10</code>, <code>isob2</code>, <code>isob3</code>, <code>isob4</code>, <code>isob5</code>, <code>isob6</code>, <code>isob7</code>, <code>isob8</code>, <code>isob9</code>, <code>jisb0</code>, <code>jisb1</code>, <code>jisb2</code>, <code>jisb3</code>, <code>jisb4</code>, <code>jisb5</code>, <code>jisb6</code>, <code>ledger</code>, <code>legal</code>, <code>letter</code>, <code>lettersmall</code>, <code>monarch</code>, <code>quarto</code>, <code>statement</code>, <code>tabloid</code>. To determine the cooresponding size in pixels at 72DPI, use this command for example:</p> -<pre class="highlight"><code>convert xc: -format "%[papersize:a4]" info:</code></pre> +<pre class="highlight"><code>magick xc: -format "%[papersize:a4]" info:</code></pre> <p>This option is also used to place subimages when writing to a multi-image format that supports offsets, such as GIF89 and MNG. When used for this @@ -5487,7 +5552,7 @@ present with a value other than <var>NorthWest</var>.</p> <h3><a class="anchor" id="paint"></a>-paint <var>radius</var></h3> </div> -<p class="magick-description">simulate an oil painting.</p> +<p class="magick-description">Simulate an oil painting.</p> <p>Each pixel is replaced by the most frequent color in a circular neighborhood whose width is specified with <var>radius</var>.</p> @@ -5495,7 +5560,7 @@ neighborhood whose width is specified with <var>radius</var>.</p> <div style="margin: auto;"> <h3><a class="anchor" id="path"></a>-path <var>path</var></h3></div> -<p class="magick-description">write images to this path on disk.</p> +<p class="magick-description">Write images to this path on disk.</p> <div style="margin: auto;"> <h3><a class="anchor" id="pause_animate_"></a>-pause <var>seconds</var></h3> @@ -5517,25 +5582,25 @@ neighborhood whose width is specified with <var>radius</var>.</p> <h3><a class="anchor" id="perceptible"></a>-perceptible <var>epsilon</var></h3> </div> -<p class="magick-description">set each pixel whose value is less than |<var>epsilon</var>| to <var>-epsilon</var> or <var>epsilon</var> (whichever is closer) otherwise the pixel value remains unchanged.</p> +<p class="magick-description">Set each pixel whose value is less than |<var>epsilon</var>| to <var>-epsilon</var> or <var>epsilon</var> (whichever is closer) otherwise the pixel value remains unchanged.</p> <div style="margin: auto;"> <h3><a class="anchor" id="ping"></a>-ping</h3> </div> -<p class="magick-description">efficiently determine these image characteristics: image number, the file name, the width and height of the image, whether the image is colormapped or not, the number of colors in the image, the number of bytes in the image, the format of the image (JPEG, PNM, etc.). Use <code>+ping</code> to ensure accurate image properties.</p> +<p class="magick-description">Efficiently determine these image characteristics: image number, the file name, the width and height of the image, whether the image is colormapped or not, the number of colors in the image, the number of bytes in the image, the format of the image (JPEG, PNM, etc.). Use <code>+ping</code> to ensure accurate image properties.</p> <div style="margin: auto;"> <h3><a class="anchor" id="pointsize"></a>-pointsize <var>value</var></h3> </div> -<p class="magick-description">pointsize of the PostScript, OPTION1, or TrueType font.</p> +<p class="magick-description">Pointsize of the PostScript, OPTION1, or TrueType font.</p> <div style="margin: auto;"> <h3><a class="anchor" id="polaroid"></a>-polaroid <var>angle</var></h3> </div> -<p class="magick-description">simulate a Polaroid picture.</p> +<p class="magick-description">Simulate a Polaroid picture.</p> <p>Use <code>+polaroid</code> to rotate the image at a random angle between -15 and +15 degrees.</p> @@ -5543,7 +5608,7 @@ neighborhood whose width is specified with <var>radius</var>.</p> <h3><a class="anchor" id="poly"></a>-poly <var>"wt,exp ..."</var></h3> </div> -<p class="magick-description">combines multiple images according to a weighted sum of polynomials; one floating point weight (coefficient) and one floating point polynomial exponent (power) for each image expressed as comma separated pairs.</p> +<p class="magick-description">Combines multiple images according to a weighted sum of polynomials; one floating point weight (coefficient) and one floating point polynomial exponent (power) for each image expressed as comma separated pairs.</p> <p> The weights should typically be fractions between -1 and 1. But the sum of weights should be 1 or at least between 0 and 1 to avoid clamping in non-hdri mode at black and white.</p> @@ -5566,7 +5631,7 @@ neighborhood whose width is specified with <var>radius</var>.</p> <h3><a class="anchor" id="posterize"></a>-posterize <var>levels</var></h3> </div> -<p class="magick-description">reduce the image to a limited number of color levels per channel.</p> +<p class="magick-description">Reduce the image to a limited number of color levels per channel.</p> <p>Very low values of <var>levels</var>, e.g., 2, 3, 4, have the most visible effect.</p> @@ -5575,13 +5640,13 @@ visible effect.</p> <h3><a class="anchor" id="precision"></a>-precision <var>value</var></h3> </div> -<p class="magick-description">set the maximum number of significant digits to be printed.</p> +<p class="magick-description">Set the maximum number of significant digits to be printed.</p> <div style="margin: auto;"> <h3><a class="anchor" id="preview"></a>-preview <var>type</var></h3> </div> -<p class="magick-description">image preview type.</p> +<p class="magick-description">Image preview type.</p> <p>Use this option to affect the preview operation of an image (e.g. <code>magick file.png -preview Gamma Preview:gamma.png</code>). Choose from @@ -5627,13 +5692,13 @@ Wave <h3><a class="anchor" id="print"></a>-print <var>string</var></h3> </div> -<p class="magick-description">interpret string and print to console.</p> +<p class="magick-description">Interpret string and print to console.</p> <div style="margin: auto;"> <h3><a class="anchor" id="process"></a>-process <var>command</var></h3> </div> -<p class="magick-description">process the image with a custom image filter.</p> +<p class="magick-description">Process the image with a custom image filter.</p> <p>The command arguments has the form <code>"module arg1 arg2 arg3 ... argN"</code> where <code>module</code> is the name of the module to invoke (e.g. @@ -5657,7 +5722,7 @@ wildcard expressions may be used to remove more than one profile. Here we remove all profiles from the image except for the XMP profile: <code>+profile "!xmp,*"</code>. </p> -<p>Use <code>identify -verbose</code> to find out which profiles are in the +<p>Use <code>magick identify -verbose</code> to find out which profiles are in the image file. Use <a href="command-line-options.html#strip">-strip</a> to remove all profiles (and comments).</p> @@ -5720,6 +5785,7 @@ compression.</p> <p>If filter-type is 4 or less, the specified PNG filter-type is used for all scanlines:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">0</dt><dd class="col-md-8">none</dd> <dt class="col-md-4">1</dt><dd class="col-md-8">sub</dd> @@ -5727,6 +5793,7 @@ all scanlines:</p> <dt class="col-md-4">3</dt><dd class="col-md-8">average</dd> <dt class="col-md-4">4</dt><dd class="col-md-8">Paeth</dd> </dl> +</div> <p>If filter-type is 5, adaptive filtering is used when quality is greater than 50 and the image does not have a color map, otherwise no filtering is @@ -5768,7 +5835,7 @@ the <a href="http://www.w3.org/pub/WWW/TR">PNG</a> specification.</p> <h3><a class="anchor" id="quantize"></a>-quantize <var>colorspace</var></h3> </div> -<p class="magick-description">reduce colors using this colorspace.</p> +<p class="magick-description">Reduce colors using this colorspace.</p> <p>This setting defines the colorspace used to sort out and reduce the number of colors needed by an image (for later dithering) by operators such as <a @@ -5781,7 +5848,7 @@ GIF, and PNG8.</p> <h3><a class="anchor" id="quiet"></a>-quiet</h3> </div> -<p class="magick-description">suppress all warning messages. Error messages are still reported.</p> +<p class="magick-description">Suppress all warning messages. Error messages are still reported.</p> <div style="margin: auto;"> <h3><a class="anchor" id="radial-blur"></a>-radial-blur <var>angle</var></h3> @@ -5901,7 +5968,7 @@ in the same manner as in <a href="command-line-options.html#crop">-crop</a>.</p> <h3><a class="anchor" id="remote"></a>-remote</h3> </div> -<p class="magick-description">perform a remote operation.</p> +<p class="magick-description">Perform a remote operation.</p> <p>The only command recognized is the name of an image file to load.</p> @@ -5913,7 +5980,7 @@ specify which application to control.</p> <h3><a class="anchor" id="render"></a>-render</h3> </div> -<p class="magick-description">render vector operations.</p> +<p class="magick-description">Render vector operations.</p> <p>Use <a href="command-line-options.html#render">+render</a> to turn off rendering vector operations. This useful when saving the result to vector formats such as MVG or SVG.</p> @@ -5994,7 +6061,7 @@ correction, apply the transform, then restore it like this:</p> <h3><a class="anchor" id="respect-parentheses"></a>-respect-parentheses</h3> </div> -<p class="magick-description">settings remain in effect until parenthesis boundary.</p> +<p class="magick-description">Settings remain in effect until parenthesis boundary.</p> <div style="margin: auto;"> <h3><a class="anchor" id="reverse"></a>-reverse</h3> @@ -6007,7 +6074,7 @@ correction, apply the transform, then restore it like this:</p> <h3><a class="anchor" id="roll"></a>-roll {<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var></h3> </div> -<p class="magick-description">roll an image vertically or horizontally by the amount given.</p> +<p class="magick-description">Roll an image vertically or horizontally by the amount given.</p> <p>A negative <var>x</var> offset rolls the image right-to-left. A negative <var>y</var> offset rolls the image bottom-to-top.</p> @@ -6038,7 +6105,7 @@ filled with the <code>background</code> color. </p> <h3><a class="anchor" id="sample"></a>-sample <var>geometry</var></h3> </div> -<p class="magick-description">minify / magnify the image with pixel subsampling and pixel replication, respectively.</p> +<p class="magick-description">Minify / magnify the image with pixel subsampling and pixel replication, respectively.</p> <p>Change the image size simply by directly sampling the pixels original from the image. When magnifying, pixels are replicated in blocks. When @@ -6075,7 +6142,7 @@ sampling sub-region.</p> <h3><a class="anchor" id="sampling-factor"></a>-sampling-factor <var>horizontal-factor</var>x<var>vertical-factor</var></h3> </div> -<p class="magick-description">sampling factors used by JPEG or MPEG-2 encoder and YUV decoder/encoder.</p> +<p class="magick-description">Sampling factors used by JPEG or MPEG-2 encoder and YUV decoder/encoder.</p> <p>This option specifies the sampling factors to be used by the JPEG encoder for chroma downsampling. If this option is omitted, the JPEG library will use @@ -6089,7 +6156,7 @@ downsampling method.</p> <h3><a class="anchor" id="scale"></a>-scale <var>geometry</var></h3> </div> -<p class="magick-description">minify / magnify the image with pixel block averaging and pixel replication, respectively.</p> +<p class="magick-description">Minify / magnify the image with pixel block averaging and pixel replication, respectively.</p> <p>Change the image size simply by replacing pixels by averaging pixels together when minifying, or replacing pixels when magnifying. </p> @@ -6111,7 +6178,7 @@ light conditions. </p> <h3><a class="anchor" id="scene"></a>-scene <var>value</var></h3> </div> -<p class="magick-description">set scene number.</p> +<p class="magick-description">Set scene number.</p> <p>This option sets the scene number of an image or the first image in an image sequence.</p> @@ -6119,7 +6186,7 @@ light conditions. </p> <h3><a class="anchor" id="screen"></a>-screen</h3> </div> -<p class="magick-description">specify the screen to capture.</p> +<p class="magick-description">Specify the screen to capture.</p> <p>This option indicates that the GetImage request used to obtain the image should be done on the root window, rather than directly on the specified @@ -6131,13 +6198,13 @@ that are independent windows but appear over the specified window.</p> <h3><a class="anchor" id="seed"></a>-seed</h3> </div> -<p class="magick-description">seed a new sequence of pseudo-random numbers</p> +<p class="magick-description">Seed a new sequence of pseudo-random numbers</p> <div style="margin: auto;"> <h3><a class="anchor" id="segment"></a>-segment <var>cluster-threshold</var>x<var>smoothing-threshold</var></h3> </div> -<p class="magick-description">segment the colors of an image.</p> +<p class="magick-description">Segment the colors of an image.</p> <p>Segment an image by analyzing the histograms of the color components and identifying units that are homogeneous with the fuzzy c-means technique. This @@ -6154,7 +6221,7 @@ of the color clusters is returned.</p> <div style="margin: auto;"> - <h3><a class="anchor" id="selective-blur"></a>-selective-blur <var>radius</var><br />-selective-blur <var>radius</var>x<var>sigma</var>{<var>+threshold</var>}</h3> + <h3><a class="anchor" id="selective-blur"></a>-selective-blur <var>radius</var><br />-selective-blur <var>radius</var>{x<var>sigma</var>}{<var>+threshold</var>}</h3> </div> <p class="magick-description">Selectively blur pixels within a contrast threshold.</p> @@ -6166,13 +6233,13 @@ contrast. The threshold may be expressed as a fraction of <var>QuantumRange</var <h3><a class="anchor" id="separate"></a>-separate</h3> </div> -<p class="magick-description">separate an image channel into a grayscale image. Specify the channel with <a href="command-line-options.html#channel">-channel</a>.</p> +<p class="magick-description">Separate an image channel into a grayscale image. Specify the channel with <a href="command-line-options.html#channel">-channel</a>.</p> <div style="margin: auto;"> <h3><a class="anchor" id="sepia-tone"></a>-sepia-tone <var>percent-threshold</var></h3> </div> -<p class="magick-description">simulate a sepia-toned photo.</p> +<p class="magick-description">Simulate a sepia-toned photo.</p> <p>Specify <var>threshold</var> as the percent threshold of the intensity (0 - 99.9%).</p> @@ -6188,7 +6255,7 @@ tone.</p> <h3>+set <var>key</var></h3> </div> -<p class="magick-description">sets image attributes and properties for images in the current image sequence.</p> +<p class="magick-description">Sets image attributes and properties for images in the current image sequence.</p> <p>This will assign (or modify) specific settings attached to all the images in the current image sequence. Using the <a href="command-line-options.html#set">+set</a> form of the @@ -6214,8 +6281,8 @@ using the options <a href="command-line-options.html#comment" >-comment</a>, <a a global 'artifact' which are automatically assigned (and any <a href="escape.html" >Format Percent Escapes</a> expanded) to images as they are read in. For example:</p> -<pre class="highlight"><code>-> convert rose: -set comment 'Rose is a rose is a rose is a rose' rose.png -identify -format %c rose.png +<pre class="highlight"><code>-> convert rose: -set comment 'Rose is a rose is a rose is a rose' rose.jpg +identify -format %c rose.jpg Rose is a rose is a rose is a rose </code></pre> @@ -6297,7 +6364,7 @@ subsequent profiles from overwriting the preceding ones, e.g.,</p> <h3><a class="anchor" id="shade"></a>-shade <var>azimuth</var>x<var>elevation</var></h3> </div> -<p class="magick-description">shade the image using a distant light source.</p> +<p class="magick-description">Shade the image using a distant light source.</p> <p>Specify <var>azimuth</var> and <var>elevation</var> as the position of the light source. Use <a href="command-line-options.html#shade">+shade</a> to return @@ -6307,14 +6374,14 @@ the shading results as a grayscale image.</p> <h3><a class="anchor" id="shadow"></a>-shadow <var>percent-opacity</var>{x<var>sigma</var>}{<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var>{<var>%</var>}</h3> </div> -<p class="magick-description">simulate an image shadow.</p> +<p class="magick-description">Simulate an image shadow.</p> <div style="margin: auto;"> <h3><a id="shared-memory"></a>-shared-memory</h3> </div> -<p class="magick-description">use shared memory.</p> +<p class="magick-description">Use shared memory.</p> <p>This option specifies whether the utility should attempt to use shared memory for pixmaps. ImageMagick must be compiled with shared memory support, @@ -6322,10 +6389,10 @@ and the display must support the <var>MIT-SHM</var> extension. Otherwise, this option is ignored. The default is <code>True</code>.</p> <div style="margin: auto;"> - <h3><a class="anchor" id="sharpen"></a>-sharpen <var>radius</var><br />-sharpen <var>radius</var>x<var>sigma</var></h3> + <h3><a class="anchor" id="sharpen"></a>-sharpen <var>radius</var><br />-sharpen <var>radius</var>{x<var>sigma</var>}</h3> </div> -<p class="magick-description">sharpen the image.</p> +<p class="magick-description">Sharpen the image.</p> <p>Use a Gaussian operator of the given radius and standard deviation (sigma).</p> @@ -6383,7 +6450,7 @@ a smaller image, and so is a better choice in terms of time and space.</p> <h3><a class="anchor" id="sigmoidal-contrast"></a>-sigmoidal-contrast <var>contrast</var>x<var>mid-point</var></h3> </div> -<p class="magick-description">increase the contrast without saturating highlights or shadows.</p> +<p class="magick-description">Increase the contrast without saturating highlights or shadows.</p> <p>Increase the contrast of the image using a sigmoidal transfer function without saturating highlights or shadows. <var>Contrast</var> @@ -6413,14 +6480,14 @@ effects) of a true threshold, but with tapered gray-levels around the threshold </div> -<p class="magick-description">operate silently. This option is only used +<p class="magick-description">Operate silently. This option is only used by the <a href="import.html">import</a> tool.</p> <div style="margin: auto;"> <h3><a class="anchor" id="similarity-threshold"></a>-similarity-threshold <var>value</var></h3> </div> -<p class="magick-description">minimum RMSE for subimage match.</p> +<p class="magick-description">Minimum RMSE for subimage match.</p> <p>If this setting is used, then the search will stop as soon as it finds a match whose metric is less than or equal to the value. A partially filled second output image will result. Using a value of zero, will cause the search to stop at the first perfect match it finds. If this setting is left off, then the search will proceed to completion or as limited by <var>-dissimilarity-threshold</var>.</p> @@ -6428,7 +6495,7 @@ by the <a href="import.html">import</a> tool.</p> <h3><a class="anchor" id="size"></a>-size <var>width</var>[x<var>height</var>][<var>+offset</var>]</h3> </div> -<p class="magick-description">set the width and height of the image.</p> +<p class="magick-description">Set the width and height of the image.</p> <p>Use this option to specify the width and height of raw images whose dimensions are unknown such as <code>GRAY</code>, <code>RGB</code>, or @@ -6447,10 +6514,10 @@ image or tell the number of colors in a <code>MAP</code> image file, (e.g. -size </code></pre> <div style="margin: auto;"> - <h3><a class="anchor" id="sketch"></a>-sketch <var>radius</var><br />-sketch <var>radius</var>x<var>sigma</var>+<var>angle</var></h3> + <h3><a class="anchor" id="sketch"></a>-sketch <var>radius</var><br />-sketch <var>radius</var>{x<var>sigma</var>}+<var>angle</var></h3> </div> -<p class="magick-description">simulate a pencil sketch.</p> +<p class="magick-description">Simulate a pencil sketch.</p> <p>Sketch with the given radius, standard deviation (sigma), and angle. The angle given is the angle toward which the image is sketched. That is the @@ -6460,7 +6527,7 @@ direction people would consider the object is coming from. </p> <h3><a class="anchor" id="smush"></a>-smush <var>offset</var></h3> </div> -<p class="magick-description">appends an image sequence together ignoring transparency.</p> +<p class="magick-description">Appends an image sequence together ignoring transparency.</p> <p>Smush is a more flexible version of <a href="command-line-options.html#append">-append</a>, joining the images in the sequence top-to-bottom (<a href="command-line-options.html#smush">-smush</a>) or left-to-right (<a href="command-line-options.html#smush">+smush</a>), with a gap between images according to the specified offset.</p> @@ -6482,7 +6549,7 @@ direction people would consider the object is coming from. </p> <h3><a class="anchor" id="solarize"></a>-solarize <var>percent-threshold</var></h3> </div> -<p class="magick-description">negate all pixels above the threshold level.</p> +<p class="magick-description">Negate all pixels above the threshold level.</p> <p>Specify <var>factor</var> as the percent threshold of the intensity (0 - 99.9%).</p> @@ -6496,6 +6563,7 @@ exposing a photographic film to light during the development process.</p> <p class="magick-description"> color the given image using the specified points of color, and filling the other intervening colors using the given methods. </p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">barycentric</dt> <dd class="col-md-8">three point triangle of color given 3 points. @@ -6520,6 +6588,7 @@ exposing a photographic film to light during the development process.</p> '<code>shepards</code>' Generating spots of color in a sea of the average of colors. </dd> </dl> +</div> <p>The points are placed according to the images location on the virtual canvas (<a href="command-line-options.html#page" >-page</a> or <a href="command-line-options.html#repage" >-repage</a> @@ -6568,7 +6637,7 @@ added all splices removed. </p> <h3><a class="anchor" id="spread"></a>-spread <var>amount</var></h3> </div> -<p class="magick-description">displace image pixels by a random amount.</p> +<p class="magick-description">Displace image pixels by a random amount.</p> <p>The argument <var>amount</var> defines the size of the neighborhood around each pixel from which to choose a candidate pixel to @@ -6580,9 +6649,11 @@ blend.</p> <h3><a class="anchor" id="statistic"></a>-statistic <var>type</var> <var>geometry</var></h3> </div> -<p class="magick-description">replace each pixel with corresponding statistic from the neighborhood.</p> +<p class="magick-description">Replace each pixel with corresponding statistic from the neighborhood.</p> <p>Choose from these statistic types:</p> + +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">Gradient</dt><dd class="col-md-8">maximum difference (max - min) value in neighborhood</dd> <dt class="col-md-4">Maximum</dt><dd class="col-md-8">maximum value per channel in neighborhood</dd> @@ -6594,12 +6665,13 @@ blend.</p> <dt class="col-md-4">RMS</dt><dd class="col-md-8">root mean square value per channel in neighborhood</dd> <dt class="col-md-4">StandardDeviation</dt><dd class="col-md-8"> standard deviation value per channel in neighborhood</dd> </dl> +</div> <div style="margin: auto;"> <h3><a class="anchor" id="stegano"></a>-stegano <var>offset</var></h3> </div> -<p class="magick-description">hide watermark within an image.</p> +<p class="magick-description">Hide watermark within an image.</p> <p>Use an offset to start the image hiding some number of pixels from the beginning of the image. Note this offset and the image size. You will need @@ -6610,7 +6682,7 @@ this information to recover the steganographic image (e.g. display -size <h3><a class="anchor" id="stereo"></a>-stereo <var>+x</var>{<var>+y</var>}</h3> </div> -<p class="magick-description">composite two images to create a red / cyan stereo anaglyph.</p> +<p class="magick-description">Composite two images to create a red / cyan stereo anaglyph.</p> <p>The left side of the stereo pair (second image) is saved as the red channel of the output image. The right side (first image) is saved as the green and blue channels. Red-green stereo glasses are required to properly view the stereo image.</p> @@ -6618,8 +6690,9 @@ this information to recover the steganographic image (e.g. display -size <h3><a class="anchor" id="storage-type"></a>-storage-type <var>type</var></h3> </div> -<p class="magick-description">pixel storage type. Here are the valid types:</p> +<p class="magick-description">Pixel storage type. Here are the valid types:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">char</dt><dd class="col-md-8">unsigned characters</dd> <dt class="col-md-4">double</dt><dd class="col-md-8">doubles</dd> @@ -6629,6 +6702,7 @@ this information to recover the steganographic image (e.g. display -size <dt class="col-md-4">quantum</dt><dd class="col-md-8">pixels in the native depth of your ImageMagick distribution</dd> <dt class="col-md-4">short</dt><dd class="col-md-8">unsigned shorts</dd> </dl> +</div> <p>Float and double types are normalized from 0.0 to 1.0 otherwise the pixels values range from 0 to the maximum value the storage type can support.</p> @@ -6665,13 +6739,13 @@ href="command-line-options.html#style">-style</a>, and <a href="command-line-opt <h3><a class="anchor" id="strip"></a>-strip</h3> </div> -<p class="magick-description">strip the image of any profiles, comments or these PNG chunks: bKGD,cHRM,EXIF,gAMA,iCCP,iTXt,sRGB,tEXt,zCCP,zTXt,date.</p> +<p class="magick-description">Strip the image of any profiles, comments or these PNG chunks: bKGD,cHRM,EXIF,gAMA,iCCP,iTXt,sRGB,tEXt,zCCP,zTXt,date.</p> <div style="margin: auto;"> <h3><a class="anchor" id="stroke"></a>-stroke <var>color</var></h3> </div> -<p class="magick-description">color to use when stroking a graphic primitive.</p> +<p class="magick-description">Color to use when stroking a graphic primitive.</p> <p>The color is specified using the format described under the <a href="command-line-options.html#fill">-fill</a> option.</p> @@ -6681,7 +6755,7 @@ href="command-line-options.html#style">-style</a>, and <a href="command-line-opt <h3><a class="anchor" id="strokewidth"></a>-strokewidth <var>value</var></h3> </div> -<p class="magick-description">set the stroke width.</p> +<p class="magick-description">Set the stroke width.</p> <p>See <a href="command-line-options.html#draw">-draw</a> for further details.</p> @@ -6709,7 +6783,7 @@ href="command-line-options.html#stretch">-stretch</a>, and <a href="command-line <h3><a class="anchor" id="subimage-search"></a>-subimage-search</h3> </div> -<p class="magick-description">search for subimage.</p> +<p class="magick-description">Search for subimage.</p> <p>This option is required to have compare search for the best match location of a small image within a larger image. This search will produce two images @@ -6743,7 +6817,7 @@ the last two images in the sequence.</p> <h3><a class="anchor" id="swirl"></a>-swirl <var>degrees</var></h3> </div> -<p class="magick-description">swirl image pixels about the center.</p> +<p class="magick-description">Swirl image pixels about the center.</p> <p><var>Degrees</var> defines the tightness of the swirl.</p> @@ -6751,7 +6825,7 @@ the last two images in the sequence.</p> <h3><a class="anchor" id="synchronize"></a>-synchronize</h3> </div> -<p class="magick-description">synchronize image to storage device.</p> +<p class="magick-description">Synchronize image to storage device.</p> <p>Set to "true" to ensure all image data is fully flushed and synchronized to disk. There is a performance penalty, but the benefits include ensuring a @@ -6768,7 +6842,7 @@ is not enough disk space for the image pixel cache.</p> <h3><a class="anchor" id="text-font"></a>-text-font <var>name</var></h3> </div> -<p class="magick-description">font for writing fixed-width text.</p> +<p class="magick-description">Font for writing fixed-width text.</p> <p>Specifies the name of the preferred font to use in fixed (typewriter style) formatted text. The default is 14 point <var>Courier</var>.</p> @@ -6781,7 +6855,7 @@ OPTION1 font. For example, <code>Courier.ttf</code> is a TrueType font and <h3><a class="anchor" id="texture"></a>-texture <var>filename</var></h3> </div> -<p class="magick-description">name of texture to tile onto the image background.</p> +<p class="magick-description">Name of texture to tile onto the image background.</p> <div style="margin: auto;"> <h3><a class="anchor" id="threshold"></a>-threshold <var>value</var>{<var>%</var>}</h3> @@ -6912,7 +6986,7 @@ titled <code>bird.miff</code> and whose width is 512 and height is 480.</p> <h3><a class="anchor" id="transform"></a>-transform</h3> </div> -<p class="magick-description">transform the image.</p> +<p class="magick-description">Transform the image.</p> <p>This option applies the transformation matrix from a previous <a href="command-line-options.html#affine">-affine</a> option.</p> @@ -6993,7 +7067,7 @@ type. </p> <h3><a class="anchor" id="treedepth"></a>-treedepth <var>value</var></h3> </div> -<p class="magick-description">tree depth for the color reduction algorithm.</p> +<p class="magick-description">Tree depth for the color reduction algorithm.</p> <p>Normally, this integer value is zero or one. A value of zero or one causes the use of an optimal tree depth for the color reduction algorithm.</p> @@ -7013,7 +7087,7 @@ required for this option to take effect.</p> <h3><a class="anchor" id="trim"></a>-trim</h3> </div> -<p class="magick-description">trim an image.</p> +<p class="magick-description">Trim an image.</p> <p>This option removes any edges that are exactly the same color as the corner pixels. Use <a href="command-line-options.html#fuzz">-fuzz</a> to make <a href="command-line-options.html#trim">-trim</a> remove @@ -7028,15 +7102,23 @@ information if it is unwanted.</p> single pixel transparent 'missed' image is returned, in the same way as when a <a href="command-line-options.html#crop">-crop</a> operation 'misses' the image proper. </p> -<p>Use <code><a href="command-line-options.html#define">-define</a> trim:percent-background=0%</code> to remove all the background from the image. The amount of background that is tolerated in an edge specified as a percent. 0% means no background is tolerated. 50% means an edge can contain up to 50% pixels that are background per the fuzz-factor.</p> +<p>Use <code><a href="command-line-options.html#define">-define</a> trim:percent-background=0%</code> to +remove all the background from the image. The amount of background that is +tolerated in an edge specified as a percent. 0% means no background is tolerated. +50% means an edge can contain up to 50% pixels that are background per the fuzz-factor.</p> + +<p>Use <code><a href="command-line-options.html#define">-define</a> trim:vertical=true</code> or <code> +<a href="command-line-options.html#define">-define</a> trim:horizontal=true</code> to only trim the horizontal +or vertical edges of the image.</p> -<p>Use <code><a href="command-line-options.html#background">-background</a> <em>background-color</em></code> to identify background color surrounding the region of interest.</p> +<p>Use <code><a href="command-line-options.html#background">-background</a> <em>background-color</em></code> to +identify background color surrounding the region of interest.</p> <div style="margin: auto;"> <h3><a class="anchor" id="type"></a>-type <var>type</var></h3> </div> -<p class="magick-description">the image type.</p> <p>Choose from: <code>Bilevel</code>, +<p class="magick-description">The image type.</p> <p>Choose from: <code>Bilevel</code>, <code>Grayscale</code>, <code>GrayscaleAlpha</code>, <code>Palette</code>, <code>PaletteAlpha</code>, <code>TrueColor</code>, <code>TrueColorAlpha</code>, <code>ColorSeparation</code>, or <code>ColorSeparationAlpha</code>.</p> @@ -7060,7 +7142,7 @@ output format supports transparency.</p> <h3><a class="anchor" id="undercolor"></a>-undercolor <var>color</var></h3> </div> -<p class="magick-description">set the color of the annotation bounding box.</p> +<p class="magick-description">Set the color of the annotation bounding box.</p> <p>The color is specified using the format described under the <a href="command-line-options.html#fill">-fill</a> option.</p> @@ -7071,7 +7153,7 @@ output format supports transparency.</p> <h3><a class="anchor" id="update"></a>-update <var>seconds</var></h3> </div> -<p class="magick-description">detect when image file is modified and redisplay.</p> +<p class="magick-description">Detect when image file is modified and redisplay.</p> <p>Suppose that while you are displaying an image the file that is currently displayed is over-written. <code>display</code> will automagically detect that @@ -7083,14 +7165,14 @@ accordingly.</p> <h3><a class="anchor" id="unique-colors"></a>-unique-colors</h3> </div> -<p class="magick-description">discard all but one of any pixel color.</p> +<p class="magick-description">Discard all but one of any pixel color.</p> <div style="margin: auto;"> <h3><a class="anchor" id="units"></a>-units <var>type</var></h3> </div> -<p class="magick-description">the units of image resolution.</p> +<p class="magick-description">The units of image resolution.</p> <p>Choose from: <code>Undefined</code>, <code>PixelsPerInch</code>, or <code>PixelsPerCentimeter</code>. This option is normally used in conjunction @@ -7098,10 +7180,10 @@ with the <a href="command-line-options.html#density">-density</a> option.</p> <div style="margin: auto;"> - <h3><a class="anchor" id="unsharp"></a>-unsharp <var>radius</var><br />-unsharp <var>radius</var>x<var>sigma</var>{<var>+gain</var>}{<var>+threshold</var>}</h3> + <h3><a class="anchor" id="unsharp"></a>-unsharp <var>radius</var><br />-unsharp <var>radius</var>{x<var>sigma</var>}{<var>+gain</var>}{<var>+threshold</var>}</h3> </div> -<p class="magick-description">sharpen the image with an unsharp mask operator.</p> +<p class="magick-description">Sharpen the image with an unsharp mask operator.</p> <p>The <a href="command-line-options.html#unsharp">-unsharp</a> option sharpens an image. The image is convolved with a Gaussian operator of the given radius and standard deviation @@ -7110,6 +7192,7 @@ a radius of 0 to have the method select a suitable radius.</p> <p>The parameters are:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">radius</dt> <dd class="col-md-8">The radius of the Gaussian, in pixels, not counting the center pixel (default 0).</dd> @@ -7120,19 +7203,20 @@ a radius of 0 to have the method select a suitable radius.</p> <dt class="col-md-4">threshold</dt> <dd class="col-md-8">The threshold, as a fraction of <var>QuantumRange</var>, needed to apply the difference amount (default 0.05).</dd> </dl> +</div> <div style="margin: auto;"> <h3><a class="anchor" id="verbose"></a>-verbose</h3> </div> -<p class="magick-description">print detailed information about the image when this option precedes the <a href="command-line-options.html#identify">-identify</a> option or <code>info:</code>.</p> +<p class="magick-description">Print detailed information about the image when this option precedes the <a href="command-line-options.html#identify">-identify</a> option or <code>info:</code>.</p> <div style="margin: auto;"> <h3><a class="anchor" id="version"></a>-version</h3> </div> -<p class="magick-description">print ImageMagick version string and exit.</p> +<p class="magick-description">Print ImageMagick version string and exit.</p> <div style="margin: auto;"> @@ -7146,7 +7230,7 @@ a radius of 0 to have the method select a suitable radius.</p> <h3><a class="anchor" id="vignette"></a>-vignette <var>radius</var>{x<var>sigma</var>}{<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var>{<var>%</var>}</h3> </div> -<p class="magick-description">soften the edges of the image in vignette style.</p> +<p class="magick-description">Soften the edges of the image in vignette style.</p> <p>The vignette effect rolloff is controlled by radiusxsigma. For nominal rolloff, this would be set to 0xsigma. A value of 0x0 will produce a circle/ellipse with no rolloff. The arguments x and y control the size of the circle. Larger values decrease the radii and smaller values increase the radii. Values of +0+0 will generate a circle/ellipse the same size as the image. The default values for x and y are 10% of the corresponding image dimension. Thus, the radii will be decreased by 10%, i.e., the diameters of the circle/ellipse will be 80% of the corresponding image dimension.</p> @@ -7163,6 +7247,7 @@ image, but could also be set to a specify background color. </p> <p>Choose from these methods:</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">background</dt><dd class="col-md-8">the area surrounding the image is the background color</dd> <dt class="col-md-4">black</dt><dd class="col-md-8">the area surrounding the image is black</dd> @@ -7180,6 +7265,7 @@ image, but could also be set to a specify background color. </p> <dt class="col-md-4">vertical-tile-edge</dt><dd class="col-md-8">vertically tile the image and replicate the side edge pixels</dd> <dt class="col-md-4">white</dt><dd class="col-md-8">the area surrounding the image is white</dd> </dl> +</div> <p>The default value is "edge".</p> @@ -7235,7 +7321,7 @@ percentage, which defaults to 100 percent (no color change). </p> <h3><a class="anchor" id="wavelet-denoise"></a>-wavelet-denoise <var>threshold</var><br />-wavelet-denoise <var>threshold</var>x<var>softness</var></h3> </div> -<p class="magick-description">removes noise from the image using a wavelet transform. The threshold is the value below which everything is considered noise and ranges from 0.0 (none) to QuantumRange or use percent (e.g. 5%). Softness attenuates the threshold and typically ranges from 0.0 (none) to 1.0. The higher the value the more noise that remains in the image.</p> +<p class="magick-description">Removes noise from the image using a wavelet transform. The threshold is the value below which everything is considered noise and ranges from 0.0 (none) to QuantumRange or use percent (e.g. 5%). Softness attenuates the threshold and typically ranges from 0.0 (none) to 1.0. The higher the value the more noise that remains in the image.</p> <div style="margin: auto;"> <h3><a class="anchor" id="weight"></a>-weight <var>fontWeight</var></h3> @@ -7247,6 +7333,7 @@ percentage, which defaults to 100 percent (no color change). </p> the currently selected font family. Use a positive integer for <var>fontWeight</var> or select from the following.</p> +<div class="pre-scrollable"> <dl class="row"> <dt class="col-md-4">Thin </dt> <dd class="col-md-8">Same as <var>fontWeight</var> = 100.</dd> @@ -7267,6 +7354,7 @@ the currently selected font family. Use a positive integer for <dt class="col-md-4">Heavy </dt> <dd class="col-md-8">Same as <var>fontWeight</var> = 900.</dd> </dl> +</div> <br/> <p>To print a complete list of weight types, use <a href="command-line-options.html#list">-list weight</a>.</p> @@ -7279,13 +7367,13 @@ href="command-line-options.html#stretch">-stretch</a>, and <a href="command-line <h3><a class="anchor" id="white-balance"></a>-white-balance</h3> </div> <p>Applies white balancing to an image according to a grayworld assumption in the LAB colorspace.</p> -<p>Use <kbd>-define white-balance:vibrance=<em>value{%}</em> to change the color vibrance of the a & b channels.</p> +<p>Use <kbd>-define white-balance:vibrance=<em>value{%}</em></kdb> to change the color vibrance of the a & b channels.</p> <div style="margin: auto;"> <h3><a class="anchor" id="white-point"></a>-white-point <var>x,y</var></h3> </div> -<p class="magick-description">chromaticity white point.</p> +<p class="magick-description">Chromaticity white point.</p> <div style="margin: auto;"> <h3><a class="anchor" id="white-threshold"></a>-white-threshold <var>value</var>{<var>%</var>}</h3> @@ -7319,13 +7407,13 @@ href="command-line-options.html#colors">-colors</a> to reduce the number of colo <h3><a class="anchor" id="window-group"></a>-window-group</h3> </div> -<p class="magick-description">specify the window group.</p> +<p class="magick-description">Specify the window group.</p> <div style="margin: auto;"> <h3><a class="anchor" id="write"></a>-write <var>filename</var></h3> </div> -<p class="magick-description">write an image sequence.</p> +<p class="magick-description">Write an image sequence.</p> <p>The image sequence preceding the <a href="command-line-options.html#write">-write</a> <var>filename</var> option is written out, and processing continues with the same image in its current state if there are additional options. To restore the image to its original state after writing it, use the <a href="command-line-options.html#write">+write</a> <var>filename</var> option.</p> @@ -7367,7 +7455,7 @@ but with strict boolean masking. </p> <a href="https://github.com/imagemagick/imagemagick" target="_blank" rel="noopener" aria-label="GitHub"><svg xmlns="http://www.w3.org/2000/svg" class="navbar-nav-svg" viewBox="0 0 512 499.36" width="2%" height="2%" role="img" focusable="false"><title>GitHub</title><path fill="currentColor" fill-rule="evenodd" d="M256 0C114.64 0 0 114.61 0 256c0 113.09 73.34 209 175.08 242.9 12.8 2.35 17.47-5.56 17.47-12.34 0-6.08-.22-22.18-.35-43.54-71.2 15.49-86.2-34.34-86.2-34.34-11.64-29.57-28.42-37.45-28.42-37.45-23.27-15.84 1.73-15.55 1.73-15.55 25.69 1.81 39.21 26.38 39.21 26.38 22.84 39.12 59.92 27.82 74.5 21.27 2.33-16.54 8.94-27.82 16.25-34.22-56.84-6.43-116.6-28.43-116.6-126.49 0-27.95 10-50.8 26.35-68.69-2.63-6.48-11.42-32.5 2.51-67.75 0 0 21.49-6.88 70.4 26.24a242.65 242.65 0 0 1 128.18 0c48.87-33.13 70.33-26.24 70.33-26.24 14 35.25 5.18 61.27 2.55 67.75 16.41 17.9 26.31 40.75 26.31 68.69 0 98.35-59.85 120-116.88 126.32 9.19 7.9 17.38 23.53 17.38 47.41 0 34.22-.31 61.83-.31 70.23 0 6.85 4.61 14.81 17.6 12.31C438.72 464.97 512 369.08 512 256.02 512 114.62 397.37 0 256 0z"/></svg></a> • <a href="https://twitter.com/imagemagick" target="_blank" rel="noopener" aria-label="Twitter"><svg xmlns="http://www.w3.org/2000/svg" class="navbar-nav-svg" viewBox="0 0 512 416.32" width="2%" height="2%" role="img" focusable="false"><title>Twitter</title><path fill="currentColor" d="M160.83 416.32c193.2 0 298.92-160.22 298.92-298.92 0-4.51 0-9-.2-13.52A214 214 0 0 0 512 49.38a212.93 212.93 0 0 1-60.44 16.6 105.7 105.7 0 0 0 46.3-58.19 209 209 0 0 1-66.79 25.37 105.09 105.09 0 0 0-181.73 71.91 116.12 116.12 0 0 0 2.66 24c-87.28-4.3-164.73-46.3-216.56-109.82A105.48 105.48 0 0 0 68 159.6a106.27 106.27 0 0 1-47.53-13.11v1.43a105.28 105.28 0 0 0 84.21 103.06 105.67 105.67 0 0 1-47.33 1.84 105.06 105.06 0 0 0 98.14 72.94A210.72 210.72 0 0 1 25 370.84a202.17 202.17 0 0 1-25-1.43 298.85 298.85 0 0 0 160.83 46.92"/></svg></a> <br/> - <small>© 1999-2020 ImageMagick Studio LLC</small></p> + <small>© 1999-2021 ImageMagick Studio LLC</small></p> <div> </footer> @@ -7375,4 +7463,4 @@ but with strict boolean masking. </p> <script>window.jQuery || document.write('<script src="assets/jquery.slim.min.js"><\/script>')</script><script src="assets/bootstrap.bundle.min.js" integrity="sha384-LtrjvnR4Twt/qOuYxE721u19sVFLVSA4hf/rRt6PrZTmiPltdZcI7q7PXQBYTKyf" crossorigin="anonymous"> </body> </html> -<!-- Magick Cache 19th November 2020 20:41 -->
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