Nevermind -- this is in Agg 2.4 as well.  Don't know why I missed it 
yesterday.  I'll have a look into this to see how well we can integrate it.

Cheers,
Mike

Michael Droettboom wrote:
> Ah -- I didn't look at Agg 2.5 at all because of the licensing issues.  
> Isn't this a no-go for us because it's GPL'd?
>
> Cheers,
> Mike
>
> John Hunter wrote:
>   
>> On Thu, Aug 6, 2009 at 1:53 PM, Michael Droettboom<md...@stsci.edu> wrote:
>>
>>   
>>     
>>> Even with this, the gradient infrastructure in Agg assumes a one-dimensional
>>> map, and here we need to at least interpolate between the three points of a
>>> triangle.  It's not impossible, as it's easy enough to make a custom shader,
>>> it's just that the gradient code won't help us.
>>>     
>>>       
>> I checked in with the antigrain mailing list, as was pointed to
>> examples/gouraud.cpp.  This looks like what we want, no?
>>
>> wget http://www.antigrain.com/agg-2.5.tar.gz
>> tar xvfz agg-2.5.tar.gz
>> cd agg-2.5
>> make
>> cd examples/X11/
>> make gouraud
>> ./gouraud
>>   
>>
>> ------------------------------------------------------------------------
>>
>>     
>
>   

-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA


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