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Megan, The graphic programs allocate 32 colors defined in $GEMTBL/colors/coltbl.xwp which you reference by index in the parameters such as FLINE, COLORS, LINE. The image color tables may define up to 95 colors (though many use fewer values) through the $GEMTBL/luts tables. You can modify a copy of coltbl.xwp in a local directory to define the color RGB values that your FLINE indicies will reference in gdcntr. Alternatively, you could use gpcolor to define RGB values for a session. When a new XW (or GF/GIF) device is started, it will use thecoltbl.xwp file in the local directory if it exists before looking in the $GEMTBL/colors directory. You can approximate the color LUT
for the grid contour fills though you will have to condense the number of color ranges since the ir_upc2.tbl defines 95 color values. Steve Chiswell Unidata User Support On Wed, 2006-06-07 at 10:43, Megan Gentry wrote:
I'd like to use an IR color table to display model cloud top temperatures in gdcntr. I've found the color table that GARP uses to plot IR data with the ir_upc2 enhancement here... gempak/tables/luts/ir_upc2.tbl Is there a way to use this color table to plot model cloud top temperatures in gdcntr? Thanks, Megan Gentry ---------------------------------------------------- Megan S. Gentry Graduate Research Assistant, Forecasting Lab Department of Marine, Earth and Atmospheric Sciences North Carolina State University
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