Convert 2:1 equirectangular panorama to cube map

Question

I\'m currently working on a simple 3D panorama viewer for a website. For mobile performance reasons I\'m using the three.js CSS3 renderer. This requires a cube

Answer 1

I wrote a script to cut the generated cubemap into individual files (posx.png, negx.png, posy.png, negy.png, posz.png and negz.png). It will also pack the 6 files into a .zip file.

The source is here: https://github.com/dankex/compv/blob/master/3d-graphics/skybox/cubemap-cut.py

You can modify the array to set the image files:

name_map = [ \
 ["", "", "posy", ""],
 ["negz", "negx", "posz", "posx"],
 ["", "", "negy", ""]]

The converted files are: