LC #42 Pipers Alley

View Full Version : xsi 4.0 rendering problem

09-08-2004, 03:25 AM
The sphere and the model have the same material. Why is the model not rendering? The model is an imported polygon obj file. When a texture is associated the model renders with the color of the texture without 3d form it is rendered flat.

09-08-2004, 07:43 AM
Obj imports generally have inverted normals. Select all polygons and do Invert Polygons.


09-08-2004, 07:48 AM
check the obj for clustermaterials. If so, they're overrriding the newly given material in XSI.

Hoipe this helps,


09-09-2004, 02:58 AM
where are cluster materials located?

09-09-2004, 03:48 AM
Go to the Scene Editor, open up the polygon mesh folder for the object.

Or a quick test would to assign a new material to overide the clusters. Get, Material, Phong for instance.

09-09-2004, 11:47 PM
I tried assigning a material, looking for cluster materials and inverting polys. Nothing resolves the issue.

09-10-2004, 05:22 AM
I've had the same problems with imported objects showing up black. You can either select the object and right click the cluster button and delete the listed cluster....


On the import window, click the 'Import as Clusters' option. this works for me. I get the model imported with out being black.

hope that works.

09-10-2004, 09:48 AM
May be this may help you...

09-17-2004, 01:19 PM
Hello. I think the only thing to do to see in the rendering itīs to subdivide the mesh to any level unless zero. I found the same prolblem on a .obj object ( this time was a car ). Hope this help.

09-17-2004, 03:27 PM
That's not the only thing to do. If you can't find a custom normals cluster on the object, you can reset them yourself by selecting the edges and using the Modify->Components->Set Edge Crease value.

09-19-2004, 04:12 AM
thanks guys

deleting clusters or increasing the subdivide to something greater than 0 work well

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