> The current CLAMP_TO_EDGE approach requires me to modify the edge > pixels of that terrain tile to have a transparent color.
Sorry, I meant to say "edge pixels of that image". I should proof-read my postings better. 2015-09-08 13:52 GMT+02:00 Christian Buchner <christian.buch...@gmail.com>: > 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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