Reproject to cube map? – February 15, 2023 at 01:40AM

I have a large tile set using the standard cylindrical +/- 60 degrees, plus orthographic views for the top and bottom of the planet. I would like to reproject these images to make a cube projection, as this is optimal for 3D rendering.

The image data is too big to load into a 3D renderer. Is there software out there designed to handle this? I could write my own but if there’s already a standard tool for this purpose I would prefer to use that. (Note that a cube map projection is not just six orthographic projections, as there is curvature along the edges.)

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