Hi all, I am questioning the hardcoded use for CLAMP_TO_EDGE texture wrapping modes in the osgTerrain/GeometryTechnique.cpp.
Let's say that I wanted to add a high tes texture patch on some small location on a terrain tile. The current CLAMP_TO_EDGE approach requires me to modify the edge pixels of that terrain tile to have a transparent color. So I basically lose these pixels. I think it would be desirable to have the texture wrapping mode as a configurable option in the osgTerrain::Layer base class, similar to how currently the minLevel, maxLevel, minFilter and magFilter variables are configurable there. Preferable to me would be an approach using CLAMP_TO_BORDER where I can define my own border color, for example to be fully transparent. If this is an acceptable approach, I could submit a patch. Christian
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