[vtkusers] Filling contour with edge visibility on

[Bill Lorensen]

No, it should not modify its input.

On Sat, Jun 5, 2010 at 12:34 PM, Jothy <jothybasu at gmail.com> wrote:
> Got it Bill!
>
> There is a trick
>
> pipeline is as I uesd before from capCow.tcl but introducin vtkfeatureEdges
> after vtkCutter and setting the stripper input from cutter not from
> featureEdges.
>
> I am bit confused, does this featureedges modifies the cutter output
>  and makes this modified outpur available to cutter->GetOutput()
>
> Seems to be  special type of operation ( or is it a bug!).
>
> Here is the screenshot
>
> I will add an example to wiki.
>
>
> Thanks,
>
>
> On Sat, Jun 5, 2010 at 5:03 PM, Bill Lorensen <bill.lorensen at gmail.com>
> wrote:
>>
>> Can you post an image of what you get?
>>
>> On Sat, Jun 5, 2010 at 11:34 AM, Jothy <jothybasu at gmail.com> wrote:
>> > Here is it!
>> >
>> > # A simple script to demonstrate the vtkCutter function
>> > import vtk
>> >
>> >
>> > #Create a cube
>> > cube=vtk.vtkSphereSource()
>> > cube.SetRadius(50)
>> > cube.SetThetaResolution(200)
>> > cube.SetPhiResolution(200)
>> > cubeMapper=vtk.vtkPolyDataMapper()
>> > cubeMapper.SetInputConnection(cube.GetOutputPort())
>> >
>> > #create a plane to cut,here it cuts in the XZ direction (xz
>> > normal=(1,0,0);XY =(0,0,1),YZ =(0,1,0)
>> > plane=vtk.vtkPlane()
>> > plane.SetOrigin(10,0,0)
>> > plane.SetNormal(1,0,0)
>> >
>> > #create cutter
>> > cutter=vtk.vtkCutter()
>> > cutter.SetCutFunction(plane)
>> > cutter.SetInput(cubeMapper.GetInput())
>> > cutter.Update()
>> >
>> > FeatureEdges=vtk.vtkFeatureEdges()
>> > FeatureEdges.SetInputConnection(cutter.GetOutputPort())
>> > FeatureEdges.BoundaryEdgesOn()
>> > FeatureEdges.FeatureEdgesOff()
>> > FeatureEdges.NonManifoldEdgesOff()
>> > FeatureEdges.ManifoldEdgesOff()
>> > FeatureEdges.Update()
>> >
>> >
>> >
>> >
>> > cutMapper=vtk.vtkPolyDataMapper()
>> > cutMapper.SetInput(FeatureEdges.GetOutput())
>> > cutActor=vtk.vtkActor()
>> > cutActor.GetProperty().SetColor(1,1,0)
>> > cutActor.GetProperty().SetEdgeColor(1,0.5,0)
>> > cutActor.GetProperty().SetLineWidth(2)
>> > cutActor.GetProperty().EdgeVisibilityOn()
>> > cutActor.GetProperty().SetOpacity(0.7)
>> > cutActor.SetMapper(cutMapper)
>> >
>> >
>> > #create renderers and add actors of plane and cube
>> > ren = vtk.vtkRenderer()
>> > ren.AddActor(cutActor)
>> >
>> >
>> > #Add renderer to renderwindow and render
>> > renWin = vtk.vtkRenderWindow()
>> > renWin.AddRenderer(ren)
>> > renWin.SetSize(600, 600)
>> > iren = vtk.vtkRenderWindowInteractor()
>> > iren.SetRenderWindow(renWin)
>> > ren.SetBackground(0,0,0)
>> > renWin.Render()
>> >
>> > On Fri, Jun 4, 2010 at 10:07 PM, Bill Lorensen <bill.lorensen at gmail.com>
>> > wrote:
>> >>
>> >> From the output of vtkCutter, insert vtkFeatureEdges with
>> >> BoundaryEdgesOn()
>> >> FeatureEdgesOff()
>> >> NonManifoldEdgesOff()
>> >> ManifoldEdgesOff()
>> >>
>> >>
>> >>
>> >> On Fri, Jun 4, 2010 at 4:16 PM, Jothy <jothybasu at gmail.com> wrote:
>> >> > Hi all,
>> >> >
>> >> > With the help of CapCow.tcl example I am able to fill the contour I
>> >> > got
>> >> > from
>> >> > vtkCutter. But, the problem is I am the edge to be visible, so I set
>> >> > edge
>> >> > visibility on, it makes all the triangle edges on. I want only the
>> >> > outline
>> >> > on.
>> >> >
>> >> > Any suggestions?
>> >> >
>> >> > Thanks,
>> >> >
>> >> > Jothy
>> >> >
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