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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.

TIFF files converted to .tx may have better performance than other formats but are limited to the maximum size of 4GB

OpenEXR files may be larger and potentially slower but these have the fewest restrictions when converted to .tx as -format openexr

<r> The resize operation may be one of the following:

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displaywindow only for exr input

Bump To Roughness

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.

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-help

Print usage and exit.