[osg-users] Graphics system interface version

[Werner Modenbach]

Hi all,

I need to analyse my application with NVidia Nsight.
Nsight tells me, it needs D3D11 api minimum but my application uses D3D9.
My computer supports Directx12.
Without being an expert I guess my application might be able to create a D3D12 
api context.

How can I influence this?

Thanks for any ideas.

- Werner -
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Re: [osg-users] 3D model preparation question

[Trajce Nikolov NICK]

Hi Jeff,

I know this problem as well. Obviously each .obj file has .mtl file with
it. It is a text file where materials and textures are defined. You can
edit with values you find appropriate . As well check the texture paths

On Thu, Mar 25, 2021 at 8:46 PM Jeff White  wrote:

> A few of my 3D model files (which are in .obj format) look different when
> loaded into Blender compared to viewing them in osgviewer.  I can see all
> the colors clearly in Blender but in osgviewer the model appears dark.  I
> have attached a few pictures here.  I commonly see this with older model
> files that have materials specified but no associated textures.
>
> I am a developer and not a 3D modeler so I don't have enough Blender
> experience to know why it looks different in that software.  Is there
> something else I need to do to prepare these models for use in OSG?  I know
> that Blender places a light in the scene but I thought that osgviewer had a
> small light pointing out of the camera as well.
>
> Any help would be appreciated.  Thanks,
>
> Jeff
>
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> .
>


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Re: [osg-users] 3D model preparation question

[Jeff White]

Thanks for the info. I had already checked the .mtl file and there are no 
textures referenced in this model.  It does everything with materials.  All 
material names in the .obj match what is in the .mtl file as well so I'm 
not sure what the problem is.  The paths all reference the current 
directory so those should be fine.

If anyone knows of a Blender export plugin for .ive or .osgb that might be 
helpful.  I haven't found one yet so I am assuming I will probably have to 
write one myself.

On Friday, March 26, 2021 at 10:58:51 AM UTC-5 trajce.ni...@gmail.com wrote:

> Hi Jeff,
>
> I know this problem as well. Obviously each .obj file has .mtl file with 
> it. It is a text file where materials and textures are defined. You can 
> edit with values you find appropriate . As well check the texture paths
>
> On Thu, Mar 25, 2021 at 8:46 PM Jeff White  wrote:
>
>> A few of my 3D model files (which are in .obj format) look different when 
>> loaded into Blender compared to viewing them in osgviewer.  I can see all 
>> the colors clearly in Blender but in osgviewer the model appears dark.  I 
>> have attached a few pictures here.  I commonly see this with older model 
>> files that have materials specified but no associated textures.
>>
>> I am a developer and not a 3D modeler so I don't have enough Blender 
>> experience to know why it looks different in that software.  Is there 
>> something else I need to do to prepare these models for use in OSG?  I know 
>> that Blender places a light in the scene but I thought that osgviewer had a 
>> small light pointing out of the camera as well.
>>
>> Any help would be appreciated.  Thanks,
>>
>> Jeff
>>
>> -- 
>> You received this message because you are subscribed to the Google Groups 
>> "OpenSceneGraph Users" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to osg-users+...@googlegroups.com.
>> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/osg-users/96f91a17-9cdd-4f03-9d98-7e2defcbcf55n%40googlegroups.com
>>  
>> 
>> .
>>
>
>
> -- 
> trajce nikolov nick
>

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