Print at Dec 18, 2025, 9:30:10 AM
Posted by dinl at Sep 13, 2015, 2:50:00 PM
obj file to dae file strange errors
Hi, I'm trying to convert from the exported file in Sweet Home (obj) to Collada file .dae , but in process I've founded some problems:

Using this online tool , I upoload both .obj and .mtl files, and the .dae file is generated but without color.

Using meshlab, he gives the follow error:
Error encountered while loading file:
habitacion.obj
Error details: Identical vertex indices found in the same faces -- faces ignored

Then the obj is loaded, but when I try to export as .dae then the color is lost.

Using Maya, he gives the follor error:
Error: line 0: OBJ file line 616: index out of range for face creation.
Error: line 0: Error reading file.

and stops the import.

can somebody help me with this problem? the file is in this link

Posted by Puybaret at Sep 14, 2015, 2:21:12 PM
Re: obj file to dae file strange errors
Importing your OBJ files work in Sweet Home 3D, Blender and Wings3D and exporting to DAE format worked in Blender and Wings3D.
So I guess meshlab and Maya aren't able to reuse a vertex of a shape in another shape (here it's vertex #184). Strange, it seems to be a good way to optimize OBJ files size, and I don't think OBJ format description says it's forbidden.
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Emmanuel Puybaret, Sweet Home 3D creator