[osg-users] A Wrong Billboard Tree!!

Hi all,

I'm trying to create some billboard trees, but the result in some of them is like
the pic. I've tried to change the bitmap attributes in different width/height ratio
and in some cases (ratio=1.0 or 0.8) it works fine. Obviously it has to do with
the bitmap's dimensions The Image::scaleImage doesn't work, because
gluScaleImage returns "out of memory". Any attempt to manually rescale the
image, by changing the Image::_data failed.

Any suggestions??
Why width and height of bitmaps have to be a power of 2?
Where can I find the proper values of width/height ratio that work??

Thanks,
Spyros.

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