Christopher James Huff wrote:

>> Basically, the patch allows you to select a rectangular region of
>> an image_map so that only this part is read in and stored in RAM.
>> Pixels outside this region are all considered 50% gray (some other
>> solution like quick_color could also be thought of).
> 
> Pixels outside that region should probably be fully transparent, to be
> consistent with the "once" option. 
>
I would prefer the pixels to be of configurable color...

> And why not read in the region as the
> entire image, filling the entire area of the image_map? Simpler, and
> avoids the above problem completely.
> 
I do not completely understand what you plan there but it seems to me 
that this requires the used to do additional scaling and 
rotation/translation of the texture (which may not be trivial for 
some projections). 
Furthermore, for my current personal use, the 50% gray is a "feature" 
(sea level on Mars). 

Wolfgang

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