Projection mapping relying on UV maps?

[snivlem]

Hi,

From what I understood it shouldn't matter or not if you have a UV mapped object when using projection textures?

Attached is a scene where there are two objects.

The top mesh renders perfect but it has been automapped (Mapping > Automatic Map).

The bottom mesh renders corrupt, .

Both meshes have same projected normal map applied to them.

normalproj.zip

Shouldn't they both render exactly the same regardless of UV maps as it should be projected?

I have also noticed that the scale of the UV mapping is interfering with the projection mapping and normal bump size??

[2013/Apr/4|09:20:44] V-Ray: V-Ray for Maya version 2.25.01, revision 22837 from Mar 28 2013, 02:48:22
[2013/Apr/4|09:20:44] V-Ray: V-Ray core version is 2.00.02
[2013/Apr/4|09:20:44] V-Ray: Registered dynamic node vrayMultiProjection
Maya 2013.5x64

[Zdravko]

Most probably this is not a V-Ray related issue since it is also reproducible with MR and Maya software.
It will be best to contact Autodesk support for more information.