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ImageMagick Display Command-line Tool
Use the display program to display an image or image sequence on any X server. See Command Line Processing for advice on how to structure your display command or see below for example usages of the command.
Example Usage
We list a few examples of the display command here to illustrate its usefulness and ease of use. To get started, lets display an image in the JPEG format:
$ display rose.jpg
To tile a slate texture onto the root window, use:
$ display -size 1280x1024 -window root slate.png
To display a visual image directory of all your JPEG images, use:
$ display 'vid:*.jpg'
You can find additional examples of using display in Graphics from the Command Line. Further discussion is available in More Graphics from the Command Line and Examples of ImageMagick Usage.
Option Summary
The display command recognizes these options. Click on an option to get more details about how that option works.
| Option | Description |
|---|---|
| -alpha | on, activate, off, deactivate, set, opaque, copy", transparent, extract, background, or shape the alpha channel |
| -antialias | remove pixel-aliasing |
| -authenticate value | decrypt image with this password |
| -backdrop | display image centered on a backdrop |
| -background color | background color |
| -border geometry | surround image with a border of color |
| -bordercolor color | border color |
| -channel type | apply option to select image channels |
| -clip | clip along the first path from the 8BIM profile |
| -clip-path id | clip along a named path from the 8BIM profile |
| -coalesce | merge a sequence of images |
| -colormap type | Shared or Private |
| -colors value | preferred number of colors in the image |
| -colorspace type | set image colorspace |
| -comment string | annotate image with comment |
| -compress type | image compression type |
| -contrast | enhance or reduce the image contrast |
| -crop geometry | preferred size and location of the cropped image |
| -debug events | display copious debugging information |
| -decipher filename | convert cipher pixels to plain |
| -define format:option | define one or more image format options |
| -delay value | display the next image after pausing |
| -density geometry | horizontal and vertical density of the image |
| -depth value | image depth |
| -despeckle | reduce the speckles within an image |
| -display server | get image or font from this X server |
| -dispose method | layer disposal method |
| -dither method | apply error diffusion to image |
| -edge radius | apply a filter to detect edges in the image |
| -endian type | endianness (MSB or LSB) of the image |
| -enhance | apply a digital filter to enhance a noisy image |
| -equalize | perform histogram equalization to an image |
| -extract geometry | extract area from image |
| -filter type | use this filter when resizing an image |
| -flatten | flatten a sequence of images |
| -flip | flip image in the vertical direction |
| -flop | flop image in the horizontal direction |
| -frame geometry | surround image with an ornamental border |
| -fuzz distance | colors within this distance are considered equal |
| -gamma value | level of gamma correction |
| -geometry geometry | preferred size or location of the image |
| -gravity geometry | horizontal and vertical backdrop placement |
| -help | print program options |
| -identify | identify the format and characteristics of the image |
| -immutable type | prohibit image edits |
| -interlace type | type of image interlacing scheme |
| -interpolate method | pixel color interpolation method |
| -label name | assign a label to an image |
| -limit type value | pixel cache resource limit |
| -log format | format of debugging information |
| -map filename | transform image colors to match this set of colors |
| -mattecolor color | frame color |
| -monitor | monitor progress |
| -monochrome | transform image to black and white |
| -negate | replace each pixel with its complementary color |
| -normalize | transform image to span the full range of colors |
| -page geometry | size and location of an image canvas (setting) |
| -profile filename | add, delete, or apply an image profile |
| -quantize colorspace | reduce image colors in this colorspace |
| -quiet | suppress all warning messages |
| -raise value | lighten/darken image edges to create a 3-D effect |
| -regard-warnings | pay attention to warning messages. |
| -remote command | execute a command in an remote display process |
| -resample geometry | change the resolution of an image |
| -resize geometry | resize the image |
| -respect-parentheses | settings remain in effect until parenthesis boundary. |
| -roll geometry | roll an image vertically or horizontally |
| -rotate degrees | apply Paeth rotation to the image |
| -sample geometry | scale image with pixel sampling |
| -sampling-factor geometry | horizontal and vertical sampling factor |
| -scene value | image scene number |
| -seed value | seed a new sequence of pseudo-random numbers |
| -segment values | segment an image |
| -set attribute value | set an image attribute |
| -sharpen geometry | sharpen the image |
| -size geometry | width and height of image |
| -strip | strip image of all profiles and comments |
| -thumbnail geometry | create a thumbnail of the image |
| -transparent-color color | transparent color |
| -black-threshold value | force all pixels below the threshold into black |
| -trim | trim image edges |
| -update seconds | detect when image file is modified and redisplay |
| -verbose | print detailed information about the image |
| -version | print version information |
| -virtual-pixel method | access method for pixels outside the boundaries of the image |
| -visual | display image using this visual type |
| -window id | display image to background of this window |
| -window-group id | exit program when this window id is destroyed |
| -write filename | write images to this file |