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Note that many file formats may have limitations on their storage type and size independent of txmake. TIFF and EXR are the most common types.
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<r> The resize operation may be one of the following:
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displaywindow only for exr input
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Bump to roughness requires all bump or normal maps to be converted to a *.b2r texture.
b2r textures contain 5 channels and are always generated in OpenEXR format as it provides the best compression ratios for half-float data.
-bumprough <f> <i> <n> <iu> <iv> <i>
- <f> : roughness scaling factor
- Default: 2.0 (very rarely needs to be changed)
- <i> : invert bump signal (0|1)
- Default: 0
- <n> : interpret as normal map (0|1)
- Default: 0
- <iu> : invert map in U (0|1)
- Default: 0
- <iv> : invert map in V (0|1)
- Default: 0
- <iv> : refit slope distribution for better results.
- Default: 1.
- This step is time consuming but preserves details much better when seen from afar.
A typical txmake invocation for a bump map:
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txmake -resize round- -mode periodic -filter box -mipfilter box -bumprough 2 0 0 0 0 1 bump.tif bump.b2r |
For a normal map:
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txmake -resize round- -mode periodic -filter box -mipfilter box -bumprough 2 0 1 0 0 1 normalmap.tif normalmap.b2r |
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The filter and MIP filter need to be set to "box" to ensure the math works correctly. |
Shadow Map (deprecated)
Shadow
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-help
Print usage and exit.