Re: NCL Color Table "Depths" (Green1, Green2, Green3 all equal Green)

On Mar 5, 2008, at 2:19 PM, Capehart, William J wrote:

Hi Bill,
> In working with NCL we’ve been a little disappointed in color table
> “depth” we have been experiencing in that we cannot resolve the
> full range of color advertized in the documentation.
>
>
> For example, when plotting colors shown at the page
>
> http://www.ncl.ucar.edu/Document/Graphics/named_colors.shtml
>
>
> “SpringGreen”, and the “SpringGreen1,2,3&4” series are the same
> “Kermit the Frog Green” in any output medium (X11 thru postscript)
> while colors like “Pink” are gray. Also, these colors (or lack of)
> follow through from the screen display to photo quality printers.
> We seem to only be able to resolve a small range of the total
> available colors (less than 256) and closer to the 32 colors in the
> default hlu_default table no matter what we try. This happens on
> 32- and 64-bit systems.
Something is not right here. When I run the attached NCL script I
see four
distinct shades of green (SpringGreen is in fact the same as
SpringGreen1).
What do you get when you run the script?

What devices are you going to?

Fred Clare

>
> When I type in the same color combinations into other graphical
> packages, lile IDL, I see the distinct colors that are missing in NCL.
>
>
> Am I missing an environmental variable or similar setting inside or
> outside NCL that needs to be set?
>
> .Thanks Much!
>
> Bill
>
>
> ================================================================
>
> Bill Capehart <William.Capehart_at_sdsmt.edu> Associate Professor
>
> Institute of Atmospheric Sciences Land Surface Processes
>
> 213 Mineral Industries Building Hydrometeorology
>
> South Dakota School of Mines and Technology Ph: +1-605-394-1994
>
> 501 East Saint Joseph Street Fax: +1-605-394-6061
>
> Rapid City, SD 57701-3995 Mobile: +1-605-484-5692
>
> =================== http://capehart.sdsmt.edu ==================
>
>
>
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