[vtkusers] Rending texture problem

[quengzi]

Thank you Eric very much!
Your advise is very important for me, I have searched the old mailing list,
but most of the problem about 3DSImpoter is no result. I think you are
right, the designer need send me another file format.

Yun

2010/9/26 Eric E. Monson <emonson at cs.duke.edu>

> Hey Yun,
>
> I've never used the vtk3DSImporter (or dotnet), but I would guess that if
> the importer has problems with textures, then probably it's not just losing
> the textures, but it's also not importing the texture coordinates. So, when
> you try to apply a texture manually there is nothing to tell the system
> where to put the texture.
>
> I have a feeling, looking back on old mailing list postings, that the
> 3DSImporter really just grabs the most basic geometry, and computes Normals,
> but it's not designed to pull in anything more than the polygons. I'm sure
> this will disappoint you, but maybe there's a chance someone else has
> another solution for converting your file into another format...?
>
> Good luck,
> -Eric
>
> ------------------------------------------------------
> Eric E Monson
> Duke Visualization Technology Group
>
>
> On Sep 25, 2010, at 11:22 AM, quengzi wrote:
>
> > Hi all,
> >
> > I'm a newer of VTK, I use VTK Dotnet to open a 3ds file, someone tell me
> that vtk3DSImpoter do not support texture, so I want to draw it by manual,
> but it failed, I cannot see any different after add the texture by manual,
> below is my code:
> >             string fileName = @"E:\VTK\3D Module\Mickey\Mickey.3ds";
> >             vtk3DSImporter importer = new vtk3DSImporter();
> >             importer.ComputeNormalsOn();
> >             importer.SetFileName(fileName);
> >             importer.Read();
> >             importer.GetRenderer().ResetCamera();
> >             importer.DebugOn();
> >
> >             //Add or Remove this section, no differents
> >             vtkPNGReader pngReader = new vtkPNGReader();
> >             pngReader.SetDebug(1);
> >             pngReader.SetFileName(@"E:\VTK\3D Module\Mickey\l.png");
> >             vtkTexture texture = new vtkTexture();
> >             texture.SetInput(pngReader.GetOutput());
> >             texture.InterpolateOn();
> >             vtkActor actor = new vtkActor();
> >             actor.SetTexture(texture);
> >             importer.GetRenderer().AddActor(actor);
> >
> >             //Below is add a light, and it's okay
> >             vtkLight light = new vtkLight();
> >             light.SetColor(1,1 , 1);
> >             light.SwitchOn();
> >             light.SetIntensity(0.9);
> >             light.SetAmbientColor(1, 1, 1);
> >
> light.SetPosition(importer.GetRenderer().GetActiveCamera().GetPosition());
> >
> light.SetFocalPoint(importer.GetRenderer().GetActiveCamera().GetFocalPoint());
> >
> >             importer.GetRenderer().SetBackground(0.1,0.2,0.4);
> >             importer.GetRenderer().AddLight(light);
> >
> >             renderer[0] = importer.GetRenderer();
> >             AddRendererToRenderWindow(renWin);
> > ...
> > Any suggestions will be appropriated.
> >
> > Thanks,
> > Yun
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