create quantized-mesh of obj-mesh

[nikolos82]

is it possible to create a quantized-mesh from obj geometry?
does not work((
tin-terrain dem2tin --input E:/test_terrain/Tin-Terrain/data/my3857.xyz --input-format xyz --output E:/test_terrain/Tin-Terrain/data/ttt.terrain --output-format terrain --max-error 2.0

ERROR 4: `E:/test_terrain/Tin-Terrain/data/my3857.xyz' not recognized as a supported file format.