[vtkusers] Filling contour with edge visibility on

[Jothy]

But, while zooming it appears like the one shown in the screenshot.

Looks strange!

Any hints,

Jothy

On Sat, Jun 5, 2010 at 7:39 PM, Jothy <jothybasu at gmail.com> wrote:

> Both, I will study.
>
> Thanks,
>
> Jothy
>
>
> On Sat, Jun 5, 2010 at 7:38 PM, Bill Lorensen <bill.lorensen at gmail.com>wrote:
>
>> What do you want? A filled contour? Or a boundary of the contour? Or both?
>>
>> All are possible with the pipelines you have.
>>
>> Please study and experiment on your own for a while.
>>
>> On Sat, Jun 5, 2010 at 2:28 PM, Jothy <jothybasu at gmail.com> wrote:
>> > But I should see it as a filled contour.
>> >
>> > On Sat, Jun 5, 2010 at 6:48 PM, Bill Lorensen <bill.lorensen at gmail.com>
>> > wrote:
>> >>
>> >> That is exactly what it should show. I guess I am misunderstanding your
>> >> problem
>> >>
>> >> On Sat, Jun 5, 2010 at 1:40 PM, Jothy <jothybasu at gmail.com> wrote:
>> >> > Sorry,
>> >> >
>> >> > I meant , I don't understand the featureEdges behaviour.
>> >> >
>> >> > On Sat, Jun 5, 2010 at 6:39 PM, Jothy <jothybasu at gmail.com> wrote:
>> >> >>
>> >> >> No Bill, this shows only the edge (outline) in surface and wireframe
>> >> >> mode
>> >> >>
>> >> >> I really understand the behaviour of fretureEdges.
>> >> >>
>> >> >> see the attached screenshot.
>> >> >>
>> >> >> Thanks,
>> >> >>
>> >> >> Jothy
>> >> >>
>> >> >>
>> >> >>
>> >> >> On Sat, Jun 5, 2010 at 6:25 PM, Bill Lorensen <
>> bill.lorensen at gmail.com>
>> >> >> wrote:
>> >> >>>
>> >> >>> If this does not work, I'll convert python to C++ (I am not a
>> python
>> >> >>> guy). Maybe in the next day or so.
>> >> >>>
>> >> >>> On Sat, Jun 5, 2010 at 1:24 PM, Bill Lorensen
>> >> >>> <bill.lorensen at gmail.com>
>> >> >>> wrote:
>> >> >>> > Try
>> >> >>> > cutter->Stripper->cutPoly->TriangleFilter->FeatureEdges->Mapper
>> >> >>> >
>> >> >>> > On Sat, Jun 5, 2010 at 1:13 PM, Jothy <jothybasu at gmail.com>
>> wrote:
>> >> >>> >> Here is the code
>> >> >>> >>
>> >> >>> >> # A simple script to demonstrate the vtkCutter function
>> >> >>> >> import vtk
>> >> >>> >>
>> >> >>> >>
>> >> >>> >> #Create a cube
>> >> >>> >> cube=vtk.vtkSphereSource()
>> >> >>> >> cube.SetRadius(50)
>> >> >>> >> cube.SetThetaResolution(100)
>> >> >>> >> cube.SetPhiResolution(100)
>> >> >>> >> 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(20,0,0)
>> >> >>> >> 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()
>> >> >>> >>
>> >> >>> >> cutStrips=vtk.vtkStripper() ; #Forms loops (closed polylines)
>> from
>> >> >>> >> cutter
>> >> >>> >> cutStrips.SetInputConnection(cutter.GetOutputPort())
>> >> >>> >> cutStrips.Update()
>> >> >>> >> cutPoly=vtk.vtkPolyData() ; #This trick defines polygons as
>> >> >>> >> polyline
>> >> >>> >> loop
>> >> >>> >> cutPoly.SetPoints((cutStrips.GetOutput()).GetPoints())
>> >> >>> >> cutPoly.SetPolys((cutStrips.GetOutput()).GetLines())
>> >> >>> >>
>> >> >>> >>
>> >> >>> >> cutMapper=vtk.vtkPolyDataMapper()
>> >> >>> >> #cutMapper.SetInput(FeatureEdges.GetOutput())
>> >> >>> >> cutMapper.SetInput(cutPoly)
>> >> >>> >> cutActor=vtk.vtkActor()
>> >> >>> >> cutActor.GetProperty().SetColor(1,1,0)
>> >> >>> >> cutActor.GetProperty().SetEdgeColor(0,1,0)
>> >> >>> >> 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()
>> >> >>> >>
>> >> >>> >> What's the problem then?
>> >> >>> >>
>> >> >>> >> Thank you,
>> >> >>> >>
>> >> >>> >> Jothy
>> >> >>> >>
>> >> >>> >> On Sat, Jun 5, 2010 at 6:10 PM, Bill Lorensen
>> >> >>> >> <bill.lorensen at gmail.com>
>> >> >>> >> wrote:
>> >> >>> >>>
>> >> >>> >>> 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
>> >> >>> >>> >> >> >
>> >> >>> >>> >> >> > _______________________________________________
>> >> >>> >>> >> >> > Powered by www.kitware.com
>> >> >>> >>> >> >> >
>> >> >>> >>> >> >> > Visit other Kitware open-source projects at
>> >> >>> >>> >> >> > http://www.kitware.com/opensource/opensource.html
>> >> >>> >>> >> >> >
>> >> >>> >>> >> >> > Please keep messages on-topic and check the VTK FAQ at:
>> >> >>> >>> >> >> > http://www.vtk.org/Wiki/VTK_FAQ
>> >> >>> >>> >> >> >
>> >> >>> >>> >> >> > Follow this link to subscribe/unsubscribe:
>> >> >>> >>> >> >> > http://www.vtk.org/mailman/listinfo/vtkusers
>> >> >>> >>> >> >> >
>> >> >>> >>> >> >> >
>> >> >>> >>> >> >
>> >> >>> >>> >> >
>> >> >>> >>> >
>> >> >>> >>> >
>> >> >>> >>
>> >> >>> >>
>> >> >>> >
>> >> >>
>> >> >
>> >> >
>> >
>> >
>>
>
>
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