[gradsusr] Feature suggestion - Add alpha channel / transparency value to 'set rgb'

[Stefan Gofferje]

On 06/27/2012 04:46 AM, Jennifer Adams wrote:
> Transparent colors will be in the release of GrADS 2.1 that has the
> option to use the cairo library to do the graphics rendering. There's
> still a lot of work to do before the release is ready, I'm sorry I have
> no estimate. Here's a sample of what will be possible. --Jennifer

Will it specifically be possible to define different transparency
levels, so that a "rainbow" could go from 255 255 255 0 (white, opaque)
to 255 255 255 240 (white, very transparent)?

-Stefan


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Stefan Gofferje
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stefan at saakeskus.fi


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