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Bitmap Color Editing

GREG offers the possibility of editing the color look-up table (LUT) for bitmaps. The colors are represented by three SIC variables:

These variable can be modified by any standard SIC expression. The new values get transferred to the display by typing the command LUT. This command also accepts other arguments:

The color associated with the blanking value can be modified using the B_HUE, B_SATURATION and B_VALUE scalar variables.


next up previous contents index
Next: Pen Colors Up: Greyscale and Color plots Previous: Filled Areas   Contents   Index
Gildas manager 2020-12-03