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tdlmake
is invoqued by specifying at least two file names and an optional set of command-line switches:
% tdlmake [options] input.tif [input2.tif ... input6.tif] output.tif |
Valid options are:
texture()
) outside its defined parametric range (s, t = [0..1]):
texture()
from inside a shader.
filter | filterwidth | window | Comment |
box | 1.0 | -- | This filter tends to blur textures, use only if texture generation speed is an issue; |
triangle | 2.0 | -- | filterwidth larger than 2.0 is unnecessary; |
gaussian | 2.50 | -- | A good filter that might produce slightly blurry results, not as much as the box filter though; |
catmull-rom | 4.0 | -- | A better filter (producing sharper textures); |
bessel | 6.47660 | `lanczos' | Filter width choosen as to include 2 roots; |
sinc | 8.0 | `lanczos' | We recommend this high quality filter as the best choice. Although it can produce some ringing artifacts on some textures. Using a filterwidth smaller than 4 is not recommended. |
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