Warnings and a "bad" looking render

Question

Warnings and a "bad" looking render

Closed this issue 8 years ago · 8 comments

@Nidhin009 reports (via email) that this model looks bad - specifically the textures do, and I concur. Also the conversion produces a number of warning messages like:

Could not find effect 14216376763747914595 in storage (x12)

and

Geometry instance with object id 8359456016315925126 is NOT a mesh we know about (x2)

Answer 1 · 2017-02-28T05:55:24.000Z

As you can see the warnings, at least, seem to be due to an upstream bug.

Answer 2 · 2017-02-28T07:16:56.000Z

Dear Jeff,

I created a cube in blender. I exported it as a dae file. And imported in my application using ColladaOgre importer. It says as below

COLLADA WARNING: Scene node has 5 transformations - we only handle 0 or 1
COLLADA WARNING: Scene node has 5 transformations - we only handle 0 or 1

And nothing is visible in the scene.

Answer 3 · 2017-02-28T07:20:58.000Z

I have few more queries.

a) Will it support the dae files exported from 3D max.
b) What all things we need to check when exporting from 3D max?
c) Do we need to explicitly give the lights in OGRE?
d) If there are lights in .dae files, will this parser add it to scenemanger?
e) Just like robot.mesh in OGRE, can I give animations in dae file and can I use it in OGRE?

Nidhin

Answer 4 · 2017-02-28T13:13:51.000Z

http://stackoverflow.com/questions/42509724/ogre-collada-library-source

Answer 5 · 2017-02-28T17:25:55.000Z

All very good questions but we should really separate these into different issues. Thanks :)

Answer 6 · 2017-03-01T00:52:02.000Z

Some of the ugliness can be explained by the fact that this is exported by FBX which has known issues with the transparency tag, see here and here. I am looking at doing the same workaround I do for Sketchup.

Answer 7 · 2017-03-01T01:38:45.000Z

Workaround installed. Looks a lot better, I think. There is still an issue with the wheels and windscreen, which have texture coordinates but no texture attached - thus the white color.

Edit: I should clarify that the white color is inserted by my code when no material is found for a geometry

Answer 8 · 2017-03-01T17:59:19.000Z

Because the warnings are due to an upstream bug, and I've added a workaround for the FBX exporter, I believe this bug should be closed. The white sections of the car are due to missing materials in the .dae file.