Re: Error with adding color using NhlNewColor

Hi Gina,
That is because the color map you have chosen uses all 256 colors that are available to NCL. Try using
NhlSetColor instead:

NhlSetColor(wks,255,.8,.8,.8) ; sets the last index in the color table to light gray.

 
 -dave

On Apr 14, 2011, at 11:55 AM, Gina Henderson wrote:

> Hi all,
>
> I am trying to use the NhlNewColor to add grey to an existing color map. I have done this in previous scripts but for some reason in my current scrip I am getting a fatal error when try the following:
>
> gsn_define_colormap(wks,"BlueWhiteOrangeRed") ; define a different colormap.
>
> igrey = NhlNewColor(wks,8,.8,.8) ; Add light gray to colormap,
> ; for continents.
>
> giving me the error:
>
> fatal:_NhlNewColor:no available colors
>
> I am currently running ncl version 6.0 beta on a Macbook Pro.
>
> Any help or suggestions would be greatly appreciated.
> Gina.
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Received on Fri Apr 15 04:09:41 2011