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I got a non regular 2D array.
Here’s some parts of the arrray, using “nearest neighbor” interpolation.
I would like to go from that :
to that :
I can’t use bicubic interpolation, because my grid is not regular.
What can I use ? (need to be fast – realtime render…)
Create a Delaunay triangulation of your irregular point cloud. Interpolate the color at every pixel across the triangle interior using the values in triangle vertices.
http://en.wikipedia.org/wiki/Delaunay_triangulation