WaveFront Obj File Converter

Convert to:

• gltf/glb
• 3d tiles(b3dm) with batch ids

Obj file limitations:

1. one mtl file
2. all faces should have 3 or 4 vertices
3. only convert ka, kd, Ke, map_ka, map_kd, Ns, d, Tr material info

obj test model from free3d.com

References

• Convert OBJ assets to glTF
• Convert obj model file to 3d tiles