Hello, The texture of a mesh can be expressed as a 3D solid. For exa

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Drawing solid 3D uvw textures about makie.jl HOT 3 OPEN

danlooo commented on July 18, 2024

Drawing solid 3D uvw textures

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Comments (3)

SimonDanisch commented on July 18, 2024

I started this PR to support 3d arrays, but run out of time for tests + clean up:
#2274

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danlooo commented on July 18, 2024

@SimonDanisch thanks very much :) I'll look at the code and see if I can add some tests...

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danlooo commented on July 18, 2024

I could not find any other uvw examples besides the cube above I created manually. Seems thats uvw is not very popular. Mostly used to store pre-computed shading. If we set vt to just the positions v, we have a identity uvw map for sanity checks of the shader code:

mtllib cube.mtl
o Cube
v 1.000000 -1.000000 -1.000000
v 1.000000 -1.000000 1.000000
v -1.000000 -1.000000 1.000000
v -1.000000 -1.000000 -1.000000
v 1.000000 1.000000 -0.999999
v 0.999999 1.000000 1.000001
v -1.000000 1.000000 1.000000
v -1.000000 1.000000 -1.000000

vt 1.000000 -1.000000 -1.000000
vt 1.000000 -1.000000 1.000000
vt -1.000000 -1.000000 1.000000
vt -1.000000 -1.000000 -1.000000
vt 1.000000 1.000000 -0.999999
vt 0.999999 1.000000 1.000001
vt -1.000000 1.000000 1.000000
vt -1.000000 1.000000 -1.000000

usemtl Material
s off
f 1 2 3 4
f 5 8 7 6
f 1 5 6 2
f 2 6 7 3
f 3 7 8 4
f 5 1 4 8

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