You could do it on the fly but this is prone to many mistake (the shift has to be applied to a limit set of indices). Philippe Le Sager replied: The fastest way to do that is to get the RGB vectors and then to apply a shift on them. Basically, I'd like to follow the visible light spectra. However, I would need to move the top two purple colors to the bottom before the two blues and exchange the positions of the two oranges and two reds. It seems that color table 117 could be the most useful. Helen Wang wrote: change the color table in one of the figures to a discrete color bar. Obtain the R, G, B vectors from the color table.The best way to customize a color table is to Please see this post on our GAMAP bugs & fixes page for information about how to work around this. DIAL, WhGrYlRd, etc.)įor more information, please see this document: GAMAP color tables and their basic usage.Īlso, if you are using a monitor with a 16-bit color display, you may encounter problems when trying to create images via screengrab. Use several customized color tables from previous GAMAP versions (e.g.Use all of the ColorBrewer color tables.Use all of the standard IDL color tables.In GAMAP v2-12 (and higher versions), the color table handling routine MYCT has been rewritten to allow you to do the following: 1.2 New color table options in GAMAP v2-12Ī good primer for creating and manipulating IDL color tables is: Working with color in IDL by Chris Holmes.

Converting ps to pdf idl