Hi Michael,
Unfortunately, you cannot set any color to transparent when you have
cnFillMode = "RasterFill". However, you can set a transparent color when
you have cnFillMode = "AreaFill" or "CellFill". I would try those two
options and see if the results are acceptable.
Good luck,
Adam
Michael Uddstrom wrote:
> Hi
>
> I have a field with valid points everywhere that I want to contour fill
> over a map (on a 2D lat/lon projection) that has land/sea filled colors
> (via mpFillColors). I have specified some cnLevels and associated
> cnFillColors, and would like at least one of the filled contours to be
> transparent. I'm plotting using gsn_csm_contour_map with the HighRes
> coastline. However, when I set one of the cnFillColors to -1, ncl responds
>
> warning:LabelBarDraw: cannot use raster fill if explicit box sizing set
> or any color index is transparent: defaulting to normal fill
>
> At which point the hoped for transparent fill is overwritten by a
> non-transparent color, and I lose the land/sea coloring
>
> Thanks for your help
>
> Michael
>
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-- -------------------------------------------------------------- Adam Phillips asphilli_at_ucar.edu National Center for Atmospheric Research tel: (303) 497-1726 ESSL/CGD/CAS fax: (303) 497-1333 P.O. Box 3000 Boulder, CO 80307-3000 http://www.cgd.ucar.edu/cas/asphilli _______________________________________________ ncl-talk mailing list ncl-talk_at_ucar.edu http://mailman.ucar.edu/mailman/listinfo/ncl-talkReceived on Mon Jun 11 2007 - 14:50:03 MDT
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