ArcInfo resets the the colormap when it changes the colormap, but only after the entire file has been converted. If it resets the colormap every time, the performance of the command would be impacted.
It is ESRI's intent that the output should appear in the same colors in the plot as it appears on the screen no matter what hard copy device is being used. However, plotter manufacturers such as HP, Calcomp and Versatec do not use the same colormap. Moreover, postscript printers do not even have a colormap. Thus, it is important that ARCPLOT remap the colormap.
ESRI has not removed the hardware device color symbol sets for two reasons. ESRI still supports earlier versions of ArcInfo, and ESRI still supports pen plotters, which do not understand LINECOLOR ORANGE.
Using hardware and software colors in the same graphics file should be avoided. The exception is 0 (background) and 1 (foreground). On all standard raster output devices, 0 plots the color of the paper, and 1 plots as black.
Changes to the design in ARC/INFO 6.1.2 convert colors 0 to 7 into software colors when raster plotters are specified.
0 - background
1 - black
2 - red
3 - green
4 - blue
5 - cyan
6 - magenta
7 - yellow
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