<div dir="ltr">No Bill, this shows only the edge (outline) in surface and wireframe mode<br><br>I really understand the behaviour of fretureEdges.<br><br>see the attached screenshot.<br><br>Thanks,<br><br>Jothy<br><br><br>
<br><div class="gmail_quote">On Sat, Jun 5, 2010 at 6:25 PM, Bill Lorensen <span dir="ltr"><<a href="mailto:bill.lorensen@gmail.com">bill.lorensen@gmail.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;">
If this does not work, I'll convert python to C++ (I am not a python<br>
guy). Maybe in the next day or so.<br>
<div><div></div><div class="h5"><br>
On Sat, Jun 5, 2010 at 1:24 PM, Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com">bill.lorensen@gmail.com</a>> wrote:<br>
> Try<br>
> cutter->Stripper->cutPoly->TriangleFilter->FeatureEdges->Mapper<br>
><br>
> On Sat, Jun 5, 2010 at 1:13 PM, Jothy <<a href="mailto:jothybasu@gmail.com">jothybasu@gmail.com</a>> wrote:<br>
>> Here is the code<br>
>><br>
>> # A simple script to demonstrate the vtkCutter function<br>
>> import vtk<br>
>><br>
>><br>
>> #Create a cube<br>
>> cube=vtk.vtkSphereSource()<br>
>> cube.SetRadius(50)<br>
>> cube.SetThetaResolution(100)<br>
>> cube.SetPhiResolution(100)<br>
>> cubeMapper=vtk.vtkPolyDataMapper()<br>
>> cubeMapper.SetInputConnection(cube.GetOutputPort())<br>
>><br>
>> #create a plane to cut,here it cuts in the XZ direction (xz<br>
>> normal=(1,0,0);XY =(0,0,1),YZ =(0,1,0)<br>
>> plane=vtk.vtkPlane()<br>
>> plane.SetOrigin(20,0,0)<br>
>> plane.SetNormal(1,0,0)<br>
>><br>
>> #create cutter<br>
>> cutter=vtk.vtkCutter()<br>
>> cutter.SetCutFunction(plane)<br>
>> cutter.SetInput(cubeMapper.GetInput())<br>
>> cutter.Update()<br>
>><br>
>> FeatureEdges=vtk.vtkFeatureEdges()<br>
>> FeatureEdges.SetInputConnection(cutter.GetOutputPort())<br>
>> FeatureEdges.BoundaryEdgesOn()<br>
>> FeatureEdges.FeatureEdgesOff()<br>
>> FeatureEdges.NonManifoldEdgesOff()<br>
>> FeatureEdges.ManifoldEdgesOff()<br>
>> FeatureEdges.Update()<br>
>><br>
>> cutStrips=vtk.vtkStripper() ; #Forms loops (closed polylines) from cutter<br>
>> cutStrips.SetInputConnection(cutter.GetOutputPort())<br>
>> cutStrips.Update()<br>
>> cutPoly=vtk.vtkPolyData() ; #This trick defines polygons as polyline loop<br>
>> cutPoly.SetPoints((cutStrips.GetOutput()).GetPoints())<br>
>> cutPoly.SetPolys((cutStrips.GetOutput()).GetLines())<br>
>><br>
>><br>
>> cutMapper=vtk.vtkPolyDataMapper()<br>
>> #cutMapper.SetInput(FeatureEdges.GetOutput())<br>
>> cutMapper.SetInput(cutPoly)<br>
>> cutActor=vtk.vtkActor()<br>
>> cutActor.GetProperty().SetColor(1,1,0)<br>
>> cutActor.GetProperty().SetEdgeColor(0,1,0)<br>
>> cutActor.GetProperty().SetLineWidth(2)<br>
>> cutActor.GetProperty().EdgeVisibilityOn()<br>
>> ##cutActor.GetProperty().SetOpacity(0.7)<br>
>> cutActor.SetMapper(cutMapper)<br>
>><br>
>><br>
>> #create renderers and add actors of plane and cube<br>
>> ren = vtk.vtkRenderer()<br>
>> ren.AddActor(cutActor)<br>
>><br>
>><br>
>> #Add renderer to renderwindow and render<br>
>> renWin = vtk.vtkRenderWindow()<br>
>> renWin.AddRenderer(ren)<br>
>> renWin.SetSize(600, 600)<br>
>> iren = vtk.vtkRenderWindowInteractor()<br>
>> iren.SetRenderWindow(renWin)<br>
>> ren.SetBackground(0,0,0)<br>
>> renWin.Render()<br>
>><br>
>> What's the problem then?<br>
>><br>
>> Thank you,<br>
>><br>
>> Jothy<br>
>><br>
>> On Sat, Jun 5, 2010 at 6:10 PM, Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com">bill.lorensen@gmail.com</a>><br>
>> wrote:<br>
>>><br>
>>> No, it should not modify its input.<br>
>>><br>
>>> On Sat, Jun 5, 2010 at 12:34 PM, Jothy <<a href="mailto:jothybasu@gmail.com">jothybasu@gmail.com</a>> wrote:<br>
>>> > Got it Bill!<br>
>>> ><br>
>>> > There is a trick<br>
>>> ><br>
>>> > pipeline is as I uesd before from capCow.tcl but introducin<br>
>>> > vtkfeatureEdges<br>
>>> > after vtkCutter and setting the stripper input from cutter not from<br>
>>> > featureEdges.<br>
>>> ><br>
>>> > I am bit confused, does this featureedges modifies the cutter output<br>
>>> > and makes this modified outpur available to cutter->GetOutput()<br>
>>> ><br>
>>> > Seems to be special type of operation ( or is it a bug!).<br>
>>> ><br>
>>> > Here is the screenshot<br>
>>> ><br>
>>> > I will add an example to wiki.<br>
>>> ><br>
>>> ><br>
>>> > Thanks,<br>
>>> ><br>
>>> ><br>
>>> > On Sat, Jun 5, 2010 at 5:03 PM, Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com">bill.lorensen@gmail.com</a>><br>
>>> > wrote:<br>
>>> >><br>
>>> >> Can you post an image of what you get?<br>
>>> >><br>
>>> >> On Sat, Jun 5, 2010 at 11:34 AM, Jothy <<a href="mailto:jothybasu@gmail.com">jothybasu@gmail.com</a>> wrote:<br>
>>> >> > Here is it!<br>
>>> >> ><br>
>>> >> > # A simple script to demonstrate the vtkCutter function<br>
>>> >> > import vtk<br>
>>> >> ><br>
>>> >> ><br>
>>> >> > #Create a cube<br>
>>> >> > cube=vtk.vtkSphereSource()<br>
>>> >> > cube.SetRadius(50)<br>
>>> >> > cube.SetThetaResolution(200)<br>
>>> >> > cube.SetPhiResolution(200)<br>
>>> >> > cubeMapper=vtk.vtkPolyDataMapper()<br>
>>> >> > cubeMapper.SetInputConnection(cube.GetOutputPort())<br>
>>> >> ><br>
>>> >> > #create a plane to cut,here it cuts in the XZ direction (xz<br>
>>> >> > normal=(1,0,0);XY =(0,0,1),YZ =(0,1,0)<br>
>>> >> > plane=vtk.vtkPlane()<br>
>>> >> > plane.SetOrigin(10,0,0)<br>
>>> >> > plane.SetNormal(1,0,0)<br>
>>> >> ><br>
>>> >> > #create cutter<br>
>>> >> > cutter=vtk.vtkCutter()<br>
>>> >> > cutter.SetCutFunction(plane)<br>
>>> >> > cutter.SetInput(cubeMapper.GetInput())<br>
>>> >> > cutter.Update()<br>
>>> >> ><br>
>>> >> > FeatureEdges=vtk.vtkFeatureEdges()<br>
>>> >> > FeatureEdges.SetInputConnection(cutter.GetOutputPort())<br>
>>> >> > FeatureEdges.BoundaryEdgesOn()<br>
>>> >> > FeatureEdges.FeatureEdgesOff()<br>
>>> >> > FeatureEdges.NonManifoldEdgesOff()<br>
>>> >> > FeatureEdges.ManifoldEdgesOff()<br>
>>> >> > FeatureEdges.Update()<br>
>>> >> ><br>
>>> >> ><br>
>>> >> ><br>
>>> >> ><br>
>>> >> > cutMapper=vtk.vtkPolyDataMapper()<br>
>>> >> > cutMapper.SetInput(FeatureEdges.GetOutput())<br>
>>> >> > cutActor=vtk.vtkActor()<br>
>>> >> > cutActor.GetProperty().SetColor(1,1,0)<br>
>>> >> > cutActor.GetProperty().SetEdgeColor(1,0.5,0)<br>
>>> >> > cutActor.GetProperty().SetLineWidth(2)<br>
>>> >> > cutActor.GetProperty().EdgeVisibilityOn()<br>
>>> >> > cutActor.GetProperty().SetOpacity(0.7)<br>
>>> >> > cutActor.SetMapper(cutMapper)<br>
>>> >> ><br>
>>> >> ><br>
>>> >> > #create renderers and add actors of plane and cube<br>
>>> >> > ren = vtk.vtkRenderer()<br>
>>> >> > ren.AddActor(cutActor)<br>
>>> >> ><br>
>>> >> ><br>
>>> >> > #Add renderer to renderwindow and render<br>
>>> >> > renWin = vtk.vtkRenderWindow()<br>
>>> >> > renWin.AddRenderer(ren)<br>
>>> >> > renWin.SetSize(600, 600)<br>
>>> >> > iren = vtk.vtkRenderWindowInteractor()<br>
>>> >> > iren.SetRenderWindow(renWin)<br>
>>> >> > ren.SetBackground(0,0,0)<br>
>>> >> > renWin.Render()<br>
>>> >> ><br>
>>> >> > On Fri, Jun 4, 2010 at 10:07 PM, Bill Lorensen<br>
>>> >> > <<a href="mailto:bill.lorensen@gmail.com">bill.lorensen@gmail.com</a>><br>
>>> >> > wrote:<br>
>>> >> >><br>
>>> >> >> From the output of vtkCutter, insert vtkFeatureEdges with<br>
>>> >> >> BoundaryEdgesOn()<br>
>>> >> >> FeatureEdgesOff()<br>
>>> >> >> NonManifoldEdgesOff()<br>
>>> >> >> ManifoldEdgesOff()<br>
>>> >> >><br>
>>> >> >><br>
>>> >> >><br>
>>> >> >> On Fri, Jun 4, 2010 at 4:16 PM, Jothy <<a href="mailto:jothybasu@gmail.com">jothybasu@gmail.com</a>> wrote:<br>
>>> >> >> > Hi all,<br>
>>> >> >> ><br>
>>> >> >> > With the help of CapCow.tcl example I am able to fill the contour<br>
>>> >> >> > I<br>
>>> >> >> > got<br>
>>> >> >> > from<br>
>>> >> >> > vtkCutter. But, the problem is I am the edge to be visible, so I<br>
>>> >> >> > set<br>
>>> >> >> > edge<br>
>>> >> >> > visibility on, it makes all the triangle edges on. I want only the<br>
>>> >> >> > outline<br>
>>> >> >> > on.<br>
>>> >> >> ><br>
>>> >> >> > Any suggestions?<br>
>>> >> >> ><br>
>>> >> >> > Thanks,<br>
>>> >> >> ><br>
>>> >> >> > Jothy<br>
>>> >> >> ><br>
>>> >> >> > _______________________________________________<br>
>>> >> >> > Powered by <a href="http://www.kitware.com" target="_blank">www.kitware.com</a><br>
>>> >> >> ><br>
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>>> >> >> ><br>
>>> >> >> > Please keep messages on-topic and check the VTK FAQ at:<br>
>>> >> >> > <a href="http://www.vtk.org/Wiki/VTK_FAQ" target="_blank">http://www.vtk.org/Wiki/VTK_FAQ</a><br>
>>> >> >> ><br>
>>> >> >> > Follow this link to subscribe/unsubscribe:<br>
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>>> >> >> ><br>
>>> >> >> ><br>
>>> >> ><br>
>>> >> ><br>
>>> ><br>
>>> ><br>
>><br>
>><br>
><br>
</div></div></blockquote></div><br></div>