<div dir="ltr">Could you please try this and let's know the results?<br><br>An isosurface of the electron potential of
an iron protein molecule.
<pre> // Read in the data. Note the different<br> // file format this time.<br> reader = new vtkStructuredPointsReader;<br> reader->SetFilename("../../data/ironProt.vtk);<br><br> // Set up the contour.<br>
iso = new vtkContourFilter;<br> iso->SetInput(reader-> GetOutput());<br> iso->SetValue(0,128);<br><br> // Clean up duplicate points.<br> clean = new vtkCleanPolyData;<br> clean->SetInput(iso->GetOutput());<br>
<br> // Smooth any two edges if the angle<br> // between them is less than 45 degrees.<br> normals = new vtkPolyNormals;<br> normals->SetInput(clean->GetOutput());<br> normals->SetFeatureAngle(45);<br><br>
// Map to polygons and make the actor!<br> isoMapper = new vtkPolyMapper;<br> isoMapper->SetInput(normals->GetOutput());<br><br> isoActor = new vtkActor;<br> isoActor->SetMapper(isoMapper);<br> isoActor->GetProperty()->SetColor(bisque);<br>
</pre>
<img src="http://web.cs.wpi.edu/%7Ematt/courses/cs563/talks/vtk/cont3.gif"><br><br>Code is from this link.<br><br><a href="http://web.cs.wpi.edu/~matt/courses/cs563/talks/vtk/visualization.html">http://web.cs.wpi.edu/~matt/courses/cs563/talks/vtk/visualization.html</a><br>
<br>Jothy<br><br><div class="gmail_quote">On Mon, Nov 22, 2010 at 12:48 PM, sophia_t14 <span dir="ltr"><<a href="mailto:sophia_t14@yahoo.com">sophia_t14@yahoo.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<br>
<a href="http://vtk.1045678.n5.nabble.com/file/n3275295/iron_protein.jpg" target="_blank">http://vtk.1045678.n5.nabble.com/file/n3275295/iron_protein.jpg</a><br>
<br>
So sorry... The code are as follow....<br>
<br>
vtkRenderer aRenderer<br>
vtkRenderWindow renWin<br>
renWin AddRenderer aRenderer<br>
vtkRenderWindowInteractor iren<br>
iren SetRenderWindow renWin<br>
<br>
vtkStructuredPointsReader reader<br>
reader SetFileName "$VTK_DATA_ROOT/Data/ironProt.vtk"<br>
<br>
vtkContourFilter ironExtractor<br>
ironExtractor SetInput [reader GetOutput]<br>
ironExtractor SetValue 0 128<br>
<br>
vtkPolyDataNormals ironNormals<br>
ironNormals SetInput [ironExtractor GetOutput]<br>
ironNormals SetFeatureAngle 45<br>
<br>
vtkPolyDataMapper ironMapper<br>
ironMapper SetInput [ironNormals GetOutput]<br>
ironMapper ScalarVisibilityOff<br>
<br>
vtkActor iron<br>
iron SetMapper ironMapper<br>
[iron GetProperty] SetDiffuseColor .68 .08 .12<br>
<br>
vtkOutlineFilter outlineData<br>
outlineData SetInput [reader GetOutput]<br>
<br>
vtkPolyDataMapper mapOutline<br>
mapOutline SetInput [outlineData GetOutput]<br>
vtkActor outline<br>
outline SetMapper mapOutline<br>
[outline GetProperty] SetColor 0 0 0<br>
<br>
vtkCamera aCamera<br>
aCamera SetViewUp 0 0 -1<br>
aCamera SetPosition 0.25 0.75 0.25<br>
aCamera SetFocalPoint 0 0 0<br>
aCamera ComputeViewPlaneNormal<br>
<br>
aRenderer AddActor outline<br>
aRenderer AddActor iron<br>
<br>
aRenderer SetActiveCamera aCamera<br>
aRenderer ResetCamera<br>
aCamera Dolly 1.5<br>
<br>
aRenderer SetBackground 1 1 1<br>
renWin SetSize 640 480<br>
<br>
aRenderer ResetCameraClippingRange<br>
<br>
iren AddObserver UserEvent {wm deiconify .vtkInteract}<br>
<br>
iren Initialize<br>
wm withdraw .<br>
<br>
<br>
--<br>
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</blockquote></div><br></div>