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CMYK_CONVERT
| Converts color triples to and from RGB, HLS, and HSV. |
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Color Table Manipulation
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COLOR_CONVERT
| Converts colors between color spaces. |
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COLOR_EXCHANGE
| Replaces image pixels of a given color with pixels of a new color. |
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COLOR_QUAN
| Converts true-color (24-bit) image to pseudo-color (8-bit) image. |
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COLOR_RANGE_MAP
| Maps all the pixels of an image to another set of pixels. |
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COLORIZE_SAMPLE
| Colorizes a grayscale image by matching luminance levels with an RGB sample table. |
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COLORMAP_APPLICABLE
| Determines whether the current visual class supports the use of a colormap. (Direct Graphics) |
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COLORMAP_GRADIENT
| Maps an image into a specified luminance-based gradient. |
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COLORMAP_ROTATION
| Maps pixels within a given hue range to another hue range, using the HSV hue component. |
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CT_LUMINANCE
| Calculates the luminance of colors. |
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CW_PALETTE_EDITOR
| Creates compound widget to display and edit color palettes. |
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CW_PALETTE_EDITOR_GET
| Gets CW_PALETTE_EDITOR properties. |
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CW_PALETTE_EDITOR_SET
| Sets CW_PALETTE_EDITOR properties. |
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GAMMA_CT
| Applies gamma correction to a color table. |
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H_EQ_CT
| Histogram-equalizes the color tables for an image or a region of the display. |
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H_EQ_INT
| Interactively histogram-equalizes the color tables of an image or a region of the display. |
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HLS
| Creates color table in Hue, Lightness, Saturation color system. |
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HSV
| Creates color table based on Hue and Saturation Value color system. |
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LOADCT
| Loads one of the predefined IDL color tables. (Direct Graphics) |
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MODIFYCT Procedure
| Saves modified color tables in the IDL color table file. (Direct Graphics) |
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MULTI Procedure
| Replicates current color table to enhance contrast. (Direct Graphics) |
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PSEUDO
| Creates pseudo-color table based on Lightness, Hue, and Brightness system. |
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REDUCE_COLORS
| Reduces the number of colors used in an image by eliminating unused pixel values. |
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STRETCH
| Stretches color table for contrast enhancement. |