<div dir="ltr">vtkVRMLImporter seems to import only  VRML 2.0 files. Check your VRML version.<br><br>Jothy<br><br><div class="gmail_quote">On Tue, Aug 2, 2011 at 1:01 PM, emreturkoz <span dir="ltr">&lt;<a href="mailto:emreturkoz@gmail.com">emreturkoz@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Jothy thank you very much for your help. You made me a great progress.<br>
<br>
I also noticed something. With the code I give below, I can visualize<br>
samples (like fish.wrl), which can be seen so to say in &quot;mesh form&quot;. There<br>
was an example on this<br>
<a href="http://people.sc.fsu.edu/%7Ejburkardt/data/wrl_2/wrl_2.html" target="_blank">http://people.sc.fsu.edu/~jburkardt/data/wrl_2/wrl_2.html</a> link  called<br>
red_chair, where a chair to be seen completely. The code below also failed<br>
to visualize this example.<br>
<br>
I get no errors. I only get a blank window as if no actor is loaded. But<br>
paraView doesn&#39;t fail on these samples.<br>
<br>
Thank you for your help.<br>
<br>
int VRMLReader(){<br>
<br>
  std::string filename = &quot;fish.wrl&quot;;<br>
  std::cout &lt;&lt; &quot;Reading &quot; &lt;&lt; filename &lt;&lt; std::endl;<br>
// VRML Import<br>
vtkVRMLImporter *importer=vtkVRMLImporter::New();<br>
importer-&gt;SetFileName(filename.c_str());<br>
importer-&gt;Read();<br>
importer-&gt;Update();<br>
<br>
//Convert to vtkDataSet<br>
vtkDataSet *pDataset;<br>
vtkActorCollection *actors = importer-&gt;GetRenderer()-&gt;GetActors();<br>
actors-&gt;InitTraversal();<br>
pDataset = actors-&gt;GetNextActor()-&gt;GetMapper()-&gt;GetInput(); //Problem<br>
happened here<br>
<br>
//Convert to vtkPolyData<br>
vtkPolyData *polyData = vtkPolyData::SafeDownCast(pDataset);<br>
polyData-&gt;Update();<br>
<br>
<br>
// Create Normal Vectors to enhance smoothness &amp; illumination<br>
vtkPolyDataNormals *normals = vtkPolyDataNormals::New();<br>
normals-&gt;SetInput(polyData);<br>
normals-&gt;SetFeatureAngle(60.0);<br>
<br>
// Mapper<br>
vtkPolyDataMapper *SolidMapper = vtkPolyDataMapper::New();<br>
SolidMapper-&gt;SetInput(normals-&gt;GetOutput());<br>
SolidMapper-&gt;ScalarVisibilityOff();<br>
<br>
// Actor<br>
vtkActor *SolidActor = vtkActor::New();<br>
SolidActor-&gt;SetMapper(SolidMapper);<br>
//SolidActor-&gt;GetProperty()-&gt;SetOpacity(1);<br>
<br>
// Render<br>
vtkRenderer *ren = vtkRenderer::New();<br>
ren-&gt;AddActor(SolidActor);<br>
ren-&gt;SetBackground(0.1,0.3,0.1);<br>
<br>
// RenderWindow<br>
vtkRenderWindow *renWin = vtkRenderWindow::New();<br>
renWin-&gt;AddRenderer(ren);<br>
<br>
// RenderWindowInteractor<br>
vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();<br>
iren-&gt;SetRenderWindow(renWin);<br>
<br>
renWin-&gt;Start();<br>
renWin-&gt;SetSize(800-5,600-5);<br>
// interact with data<br>
iren-&gt;Initialize();<br>
iren-&gt;Start();<br>
<br>
// delete<br>
<br>
actors-&gt;Delete();<br>
normals-&gt;Delete();<br>
SolidMapper-&gt;Delete();<br>
SolidActor-&gt;Delete();<br>
ren-&gt;Delete();<br>
renWin-&gt;Delete();<br>
iren-&gt;Delete();<br>
<br>
return 0;<br>
<br>
}<br>
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