Re: Color question

[rkj(at)dukebar.crml.uab.edu (R. Kyle Justice)]

David Fanning (davidf@dfanning.com) wrote:
: R. Kyle Justice (rkj@dukebar.crml.uab.edu) writes:
:  
: > I have a filled contour plot that I would like to
: > display with a color bar.  Everything looks fine
: > on the screen but when I try to print, the colors
: > on the bar are no longer correct.  They appear
: > washed out(dithered?).  The contour colors, however,
: > appear correct.  If I look at the file with
: > ghostscript, everything looks fine.
: > 
: > I am generating the color bar with TV.  It seems
: > that the printer is treating a plot and an image
: > differently.

: Be sure you set BITS_PER_PIXEL to 8 on your
: device command. There are only 4 bits per pixel
: saved for image pixel by default. Enough for
: only 16 colors.

: Cheers,

: David
: -- 
: David Fanning, Ph.D.
: Fanning Software Consulting
: Phone: 970-221-0438 E-Mail: davidf@dfanning.com
: Coyote's Guide to IDL Programming: http://www.dfanning.com/
: Toll-Free IDL Book Orders: 1-888-461-0155

I have it set to 8 bits_per_pixels and I still get the same
result.

Kyle