GLuRay is a program which runs on top of existing external visualization applications. Function calls to draw 3D objects are intercepted and instead rendered with our optimized software ray tracer Manta. This allows both high performance software rendering to match the existing display as well as advanced rendering effects for enhanced image quality.
GLuRay uses acceleration structures and avoids shading occluded (hidden) geometry. Brute-force OpenGL implementations show linear scaling with triangle counts, while our program shows logarithmic scaling when rendering hundreds of millions of triangles allowing for interactive visualization of over 5 fps up to 128 million triangles.
GLuRay scales O(log(n)) with respect to geometry count. ParaView/VisIt/VAPOR/EnSight and other visualization applications use O(n) rendering algorithms natively which scale linearly with geometry count. As triangle counts grow into the tens or hundreds of millions, GLuRay provides large runtime speedups.