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This object consists of 57 parts with different shaders, but is loaded as a single mesh with one shader.
Do I something wrong ?
Or have I to load every single part as seperate mesh ?

Hi,

it's likely an exporter problem.
can you show us a screenshot of the exporter panel of your host app ?
also provide which host app you use, it's impossible to help if we don't know it...

Radiance

Thanks for the fast response, with different export settings , it works, but with 57 shaders, the software responses very slow.
But I like Octane

Edit:
I use Carrara 7

Ok, the most important problem with Carrara is, that it exports a material for every single piece of the mesh,
so I have many duplicates of identical shaders. Is there any tool, wich can strip those duplicates out of .obj files?
(Otherwise I write it for myself)

if you're talking of duplicated bitmap textures don't worry since Octane will load only one copy in your vRAM AFAIK

This is not the problem, as I wrote above, with 57 materials, Octane responses very slow

frimi wrote:This is not the problem, as I wrote above, with 57 materials, Octane responses very slow

Your GPU is quite slow though. I'd consider upgrading to a GTX400 series card if you want to do serious work...

Radiance

radiance wrote:

frimi wrote:This is not the problem, as I wrote above, with 57 materials, Octane responses very slow

Your GPU is quite slow though. I'd consider upgrading to a GTX400 series card if you want to do serious work...

Radiance

For Beta and playing around it is fast enough
Unfortunately my i860 has an ATI and for warranty reasons, I cannot replace it with NVIDIA.

But that is not what I mean: The interface of Octane responses very slow, loaded with 57 materials.
I think, that has nothing to do with the GPU, or missed I something ?

frimi wrote:The interface of Octane responses very slow, loaded with 57 materials.
I think, that has nothing to do with the GPU, or missed I something ?

if you mean the UI is slow WHILE rendering YES, if you mean it's slow after you loaded your mesh+materials before starting the render (or with the rendering process paused) then there could be some other issue indeed...

SurfingAlien wrote:

frimi wrote:The interface of Octane responses very slow, loaded with 57 materials.
I think, that has nothing to do with the GPU, or missed I something ?

if you mean the UI is slow WHILE rendering YES, if you mean it's slow after you loaded your mesh+materials before starting the render (or with the rendering process paused) then there could be some other issue indeed...

it's greatly improved in the upcoming 2.2. (the drawing of large nodes in the node inspector window)

Radiance