Obj textures

docs/readwrite.rst

@@ -16,3 +16,15 @@ OpenMesh provides functions that read and write meshes from and to files:
     om.write_mesh(trimesh, "bunny.ply")
 
 OpenMesh currently supports five file types: .obj, .off, .ply, .stl and .om
+
+For writing .obj files there is also support for textures. You can pass the path of a texture image and
+optionally the suffix for the material file, default is ".mat", but some programs, e.g. Blender expect ".mtl" as suffix
+
+.. code:: python
+
+    om.write_mesh(
+        "out.obj",
+        trimesh,
+        texture_file="moon.png",
+        material_file_extension=".mtl"  # default is ".mat", blender needs ".mtl"
+    )