Add Texture Shading to gdaldam

[arenol]

Feature description

Anyone bother to add texture shading to the gdaldem app?

command line argunments would be something like

gdaldem texture [-Z <Zfactor , default =1.0>] [-T <texture_amount: 0-200>] ... <inputdem> <outputfile>

See https://www.textureshading.com/ for reference.

Additional context

No response

[rouault]

Anyone bother to add texture shading to the gdaldem app?

Unlikely to happen by magic. Someone will have to code that.

[hobu]

Precompute all of your derivatives and use gdal_calc.py to create this. No reason to add this special feature to gdaldem IMO.