<div dir="ltr">But I should see it as a filled contour.<br><br><div class="gmail_quote">On Sat, Jun 5, 2010 at 6:48 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;">That is exactly what it should show. I guess I am misunderstanding your problem<br>
<div><div></div><div class="h5"><br>
On Sat, Jun 5, 2010 at 1:40 PM, Jothy <<a href="mailto:jothybasu@gmail.com">jothybasu@gmail.com</a>> wrote:<br>
> Sorry,<br>
><br>
> I meant , I don't understand the featureEdges behaviour.<br>
><br>
> On Sat, Jun 5, 2010 at 6:39 PM, Jothy <<a href="mailto:jothybasu@gmail.com">jothybasu@gmail.com</a>> wrote:<br>
>><br>
>> 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>
>> On Sat, Jun 5, 2010 at 6:25 PM, Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com">bill.lorensen@gmail.com</a>><br>
>> wrote:<br>
>>><br>
>>> 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>
>>><br>
>>> On Sat, Jun 5, 2010 at 1:24 PM, Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com">bill.lorensen@gmail.com</a>><br>
>>> 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<br>
>>> >> cutter<br>
>>> >> cutStrips.SetInputConnection(cutter.GetOutputPort())<br>
>>> >> cutStrips.Update()<br>
>>> >> cutPoly=vtk.vtkPolyData() ; #This trick defines polygons as polyline<br>
>>> >> 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<br>
>>> >> <<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<br>
>>> >>> > 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<br>
>>> >>> > <<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>><br>
>>> >>> >> 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>><br>
>>> >>> >> >> wrote:<br>
>>> >>> >> >> > Hi all,<br>
>>> >>> >> >> ><br>
>>> >>> >> >> > With the help of CapCow.tcl example I am able to fill the<br>
>>> >>> >> >> > contour<br>
>>> >>> >> >> > I<br>
>>> >>> >> >> > got<br>
>>> >>> >> >> > from<br>
>>> >>> >> >> > vtkCutter. But, the problem is I am the edge to be visible,<br>
>>> >>> >> >> > so I<br>
>>> >>> >> >> > set<br>
>>> >>> >> >> > edge<br>
>>> >>> >> >> > visibility on, it makes all the triangle edges on. I want<br>
>>> >>> >> >> > only the<br>
>>> >>> >> >> > outline<br>
>>> >>> >> >> > on.<br>
>>> >>> >> >> ><br>
>>> >>> >> >> > Any suggestions?<br>
>>> >>> >> >> ><br>
>>> >>> >> >> > Thanks,<br>
>>> >>> >> >> ><br>
>>> >>> >> >> > Jothy<br>
>>> >>> >> >> ><br>
>>> >>> >> >> > _______________________________________________<br>
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>>> >>> >> >> ><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>
>><br>
><br>
><br>
</div></div></blockquote></div><br></div>