140 lines
7.5 KiB
Groff
140 lines
7.5 KiB
Groff
.TH display 1 "Date: 2009/01/10 01:00:00" "ImageMagick"
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.SH NAME
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display \- displays an image or image sequence on any X server.
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.SH SYNOPSIS
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.TP
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\fBdisplay\fP [\fIoptions\fP] \fIinput-file\fP
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.SH OVERVIEW
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The \fBdisplay\fP program is a member of the ImageMagick(1) suite of tools. Use it to display an image or image sequence on any X server.
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For more information about the display command, point your browser to file://@DOCUMENTATION_PATH@/www/display.html or http://imagemagick.org/script/display.php.
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.SH DESCRIPTION
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Image Settings:
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\-alpha option on, activate, off, deactivate, set, opaque, copy
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\ transparent, extract, background, or shape
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\-antialias remove pixel-aliasing
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\-authenticate value decrypt image with this password
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\-backdrop display image centered on a backdrop
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\-channel type apply option to select image channels
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\-colormap type Shared or Private
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\-colorspace type alternate image colorspace
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\-comment string annotate image with comment
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\-compress type type of pixel compression when writing the image
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\-decipher filename convert cipher pixels to plain pixels
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\-deskew threshold straighten an image
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\-define format:option
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define one or more image format options
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\-delay centiseconds display the next image after pausing
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\-density geometry horizontal and vertical density of the image
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\-depth value image depth
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\-display server display image to this X server
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\-dispose method layer disposal method
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\-dither method apply error diffusion to image
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\-endian type endianness (MSB or LSB) of the image
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\-equalize perform histogram equalization to an image
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\-filter type use this filter when resizing an image
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\-format "string" output formatted image characteristics
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\-fuzz distance colors within this distance are considered equal
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\-geometry geometry preferred size and location of the Image window
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\-gravity type horizontal and vertical backdrop placement
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\-identify identify the format and characteristics of the image
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\-immutable displayed image cannot be modified
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\-interlace type type of image interlacing scheme
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\-interpolate method pixel color interpolation method
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\-label string assign a label to an image
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\-limit type value pixel cache resource limit
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\-loop iterations loop images then exit
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\-map type display image using this Standard Colormap
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\-matte store matte channel if the image has one
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\-monitor monitor progress
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\-page geometry size and location of an image canvas
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\-profile filename add, delete, or apply an image profile
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\-quality value JPEG/MIFF/PNG compression level
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\-quantize colorspace reduce colors in this colorspace
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\-quiet suppress all warning messages
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\-regard-warnings pay attention to warning messages
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\-remote command execute a command in an remote display process
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\-repage geometry size and location of an image canvas (operator)
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\-respect-parentheses settings remain in effect until parenthesis boundary
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\-sampling-factor geometry
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horizontal and vertical sampling factor
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\-scenes range image scene range
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\-seed value seed a new sequence of pseudo-random numbers
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\-set property value set an image property
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\-size geometry width and height of image
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\-support factor resize support: > 1.0 is blurry, < 1.0 is sharp
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\-texture filename name of texture to tile onto the image background
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\-transparent-color color
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transparent color
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\-treedepth value color tree depth
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\-update seconds detect when image file is modified and redisplay
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\-verbose print detailed information about the image
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\-visual type display image using this visual type
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\-virtual-pixel method
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virtual pixel access method
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\-window id display image to background of this window
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\-window-group id exit program when this window id is destroyed
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\-write filename write image to a file
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Image Operators:
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\-auto-orient automatically orient image
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\-border geometry surround image with a border of color
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\-clip clip along the first path from the 8BIM profile
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\-clip-path id clip along a named path from the 8BIM profile
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\-colors value preferred number of colors in the image
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\-contrast enhance or reduce the image contrast
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\-crop geometry preferred size and location of the cropped image
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\-despeckle reduce the speckles within an image
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\-edge factor apply a filter to detect edges in the image
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\-enhance apply a digital filter to enhance a noisy image
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\-extract geometry extract area from image
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\-flip flip image in the vertical direction
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\-flop flop image in the horizontal direction
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\-frame geometry surround image with an ornamental border
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\-gamma value level of gamma correction
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\-monochrome transform image to black and white
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\-negate replace each pixel with its complementary color
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\-normalize transform image to span the full range of colors
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\-raise value lighten/darken image edges to create a 3-D effect
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\-resample geometry change the resolution of an image
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\-resize geometry resize the image
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\-roll geometry roll an image vertically or horizontally
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\-rotate degrees apply Paeth rotation to the image
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\-sample geometry scale image with pixel sampling
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\-segment value segment an image
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\-sharpen geometry sharpen the image
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\-strip strip image of all profiles and comments
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\-threshold value threshold the image
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\-thumbnail geometry create a thumbnail of the image
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\-trim trim image edges
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Image Sequence Operators:
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\-coalesce merge a sequence of images
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\-flatten flatten a sequence of images
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Miscellaneous Options:
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\-debug events display copious debugging information
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\-help print program options
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\-log format format of debugging information
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\-list type print a list of supported option arguments
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\-version print version information
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In addition to those listed above, you can specify these standard X resources as command line options: \-background, \-bordercolor, \-borderwidth, \-font, \-foreground, \-iconGeometry, \-iconic, \-mattecolor, \-name, \-shared-memory, \-usePixmap, or \-title.
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By default, the image format of `file' is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). Specify 'file' as '-' for standard input or output.
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Buttons:
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1 press to map or unmap the Command widget
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2 press and drag to magnify a region of an image
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3 press to load an image from a visual image directory
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.SH NOTE
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The display program defaults to the X screen resolution. To display vector formats at their intended size, override the default resolution:
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display -density 72 drawing.svg
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.SH SEE ALSO
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ImageMagick(1)
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.SH COPYRIGHT
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\fBCopyright (C) 1999-2020 ImageMagick Studio LLC. Additional copyrights and licenses apply to this software, see file://@DOCUMENTATION_PATH@/www/license.html or http://imagemagick.org/script/license.php\fP
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