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Brano Kemen
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Outerra
Outerra

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Preliminary comparison of NasaDEM dataset
Some early results from testing preliminary NasaDEM dataset ( https://gis.stackexchange.com/questions/267134/what-is-nasadem-and-when-it-will-be-released )   Comparison in one of the extremely buggy areas in SRTM 1" (30m), tile s50w075: Original SRTM 1" (30...
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fp64 approximations for sin/cos for OpenGL
Minimax approximations for missing fp64 functions in GLSL, using remez exchange toolbox. For additional details see Double precision approximations for map projections in OpenGL . //sin approximation, error < 5e-9 double sina_9(double x) {     //minimax coe...
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OpenGL rendering performance test #2 - blocks
Previous test - Procedural grass - focused on procedurally generated geometry that didn’t use any vertex data and generated meshes procedurally using only gl_VertexID value and a few lookups into shape textures, therefore with only a neglectable amount of n...
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Procedural rendering performance test #1 - Grass
Procedural grass rendering performance test This is the first of several OpenGL rendering performance tests done to determine the best strategy for rendering of various type of procedural and non-procedural content. This particular test concerns with render...
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