![]() ![]() colorspaceĬolor reduction, by default, takes place in the RGB color space. Note, options -dither, -colorspace, and -treedepthĪffect the color reduction algorithm. The matte channel of the image if it exists. The Transparent color space behaves uniquely in that it preserves Unique colors than specified with this option will have any duplicate or The actual number of colors in the image may be less than your request,īut never more. However, other clients may go technicolor Choose Private and the image colorsĪppear exactly as they are defined. Some image colors could be approximated, therefore your image may look The image shares colors with other X clients. By default,Ī shared colormap is allocated. This option only applies when the default X server visual is PseudoColor Memory are significantly faster but if your computer does not have a sufficientĪmount of free memory you may want to adjust this threshold value. Subsequent pixel operations are cached on disk. Image pixels are stored in memory until 80 megabytes of memory have beenĬonsumed. Megabytes of memory available to the pixel cache. See X(1) for details about the color specification. The color of the border is obtained from the X server and is definedĪs bordercolor (class borderColor). Surround the image with a border of color. Other X window activity while viewing the image. This backdrop covers the entire workstation screen and is useful for hiding Options on the command line supersede values specifiedĭisplay the image centered on a backdrop. The first with 32 colors, and the second with only 16 colors, use: display -colors 32 cockatoo.miff -colors 16 macaw.miff Display options can appear on the command line or in your X resourcesįile. The option again with a different effect. The command line remains in effect until it is explicitly changed by specifying Options are processed in command line order. To display histogram of an image, use: convert file.jpg HISTOGRAM:- | display - Back to Contents Uniform resource locator (URL), use: display To display an image of a cockatoo specified with a World Wide Web (WWW) With 256 colors, use: display -size 640x480+256 cockatoo.map To display a MAP image that is 640 pixels in width and 480 pixels in height To display a visual image directory of all your JPEG images, use: display 'vid:*.jpg' To tile a slate texture onto the root window, use: display -size 1280x1024 -window root slate.png Use: display +borderwidth -backdrop cockatoo.miff ![]() To display an image of a cockatoo without a border centered on a backdrop, ![]() Pixels in height and position the window at location (200,200), use: display -geometry 640x480+200+200! cockatoo.miff To scale an image of a cockatoo to exactly 640 pixels in width and 480 Wide Web (WWW) uniform resource locator (URL) Back to Contents Program discard all images and exit program change the level of magnification display images specified by a World To a region of interest display information about the image zoom a portion of the image show a histogram of the image display image to background ofĪ window set user preferences display information about this On the image negate the image colors convert the image to grayscale set the maximum number of uniqueĬolors in the image reduce the speckles within an image eliminate peak noise from an image detect edges within the image emboss an image segment the image by color simulate an oil painting simulate a charcoal drawing annotate the image with text draw on the image edit an image pixel color edit the image matte information composite an image with another add a border to the image add a border to the image surround image with an ornamental On the image perform histogram normalization Size refresh the image half the image size double the image size resize the image crop the image cut the image flop image in the horizontal direction flip image in the vertical direction rotate the image 90 degrees clockwise rotate the image 90 degrees counter-clockwise rotate the image shear the image roll the image trim the image edges invert the colors of the image vary the color brightness vary the color saturation vary the image hue gamma correct the image sharpen the image contrast dull the image contrast perform histogram equalization Its thumbnail rather than name undo last image transformation copy a region of the image paste a region to the image restore the image to its original Printer delete the image file create a Visual Image Directory select the image to display by Load an image from a file display the next image display the former image display a sequence of images asĪ slide show write the image to a file print the image to a With display, you can perform these functions on an image: It can display an image on any workstation ImageMagick - Image Processing and Display Packageĭisplay file file Back to Contentsĭisplay is a machine architecture independent ![]()
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