Color/texture embeded in an .obj file

[Joaopmoliveira]

Good afternoon vsg community, I was loading obj files into my custom viewer, but the color associated with the obj file is not rendered. Is this a default that I can change by tweaking the vsg::Options instance or it is impossible to extract this information from the vsg::read call because that is the desired behavior?
I tried to look at the examples but I could not find anything too obvious at a first glance that solves my problem.
Thank you for any feedback

[vsg-dev]

.obj files are currently loaded by the vsgXchange:assimp loader . You can list the available options by using vsgconv --features i.e.

$ vsgconv --features vsgXchange::assimp

The relevant part is:

   vsg::Options::Value      type
    -------------------      ----
    crease_angle             float
    discard_empty_nodes      bool
    generate_sharp_normals   bool
    generate_smooth_normals  bool
    two_sided                bool

There isn't any option listed for colours so I expect what you are seeing is simply a mapping of what vsgXchange::assimp is doing with what assimp provides from loading the .obj. The discrepancy could be due to vsgXchange::assimp or assimp, or perhaps just an oddity in the .obj file you have.

As general note, .obj is a very very very old format, is really isn't a good interchange format, so I'd recommend seeing if you can load your data via a more modern and capable format such as .gltf.