[vtkusers] PolyData Operations VTK 5

[Paulo Henrique Junqueira Amorim]

the vtk not have a class for that?

2008/5/5 Paulo Henrique Junqueira Amorim <paulojamorim at gmail.com>:

> Hi,
>
> Anyone have any ideas?
>
> Regards,
> Paulo
>
>
> 2008/5/2 Paulo Henrique Junqueira Amorim <paulojamorim at gmail.com>:
>
> Hi Mathieu,
>>
>> Thank but the vtkImplicitPolyData only works in vtk 4.2, my project uses
>> vtk 5.1 and wrapper to Python.
>>
>> I tried to convert PolyData implicit function and then use the
>> vtkImplicitBoolean but the output of vtkImplicitBoolean is null,  I am
>> exported to stl and export null, I am creted Actor and Add renderer, but the
>> output of the renderer is black. See below code.
>>
>> Best Regards,
>> Paulo Amorim
>>
>>
>> The code convert PolyData in Implicit Function:
>>
>> from vtk import *
>>
>> #To test PolyData Boolean
>> Cylinder = vtkCylinderSource()
>> Cylinder.SetHeight(35)
>> Cylinder.SetRadius(6)
>>
>> Cube = vtkCubeSource()
>> Cube.SetXLength(100)
>> Cube.SetYLength(10)
>> Cube.SetZLength(10)
>>
>>
>>
>> # transforming polyData of the Cylinder to an implicitFunction
>> poly_Cylinder = vtkPolyData()
>> poly_Cylinder.SetPoints(Cylinder.GetOutput().GetPoints())
>>
>> tri_Cylinder = vtkTriangleFilter()
>> tri_Cylinder.SetInput(poly_Cylinder)
>>
>> implicit_Cylinder = vtkImplicitModeller()
>> implicit_Cylinder.SetInputConnection(tri_Cylinder.GetOutputPort())
>>
>> dataset_Cylinder = vtkImplicitDataSet()
>> dataset_Cylinder.SetDataSet(implicit_Cylinder.GetOutput())
>>
>>
>>
>> # ----   transforming polyData of the Cube to an implicitFunction
>> -----------
>> poly_Cube = vtkPolyData()
>> poly_Cube.SetPoints(Cube.GetOutput().GetPoints())
>>
>> tri_Cube = vtkTriangleFilter()
>> tri_Cube.SetInput(poly_Cube)
>>
>> implicit_Cube = vtkImplicitModeller()
>> implicit_Cube.SetInputConnection(tri_Cube.GetOutputPort())
>>
>> dataset_Cube = vtkImplicitDataSet()
>> dataset_Cube.SetDataSet(implicit_Cube.GetOutput())
>>
>>
>> #Boolean Difference two implicit funcion (cylinder and cube)
>>
>> implict_Boolean = vtkImplicitBoolean()
>> implict_Boolean.SetOperationTypeToDifference()
>>
>> implict_Boolean.AddFunction(dataset_Cube)
>> implict_Boolean.AddFunction(dataset_Cylinder)
>>
>>
>> Sample = vtkSampleFunction()
>> Sample.SetImplicitFunction(implict_Boolean)
>>
>> Surface = vtkContourFilter()
>> Surface.SetInputConnection(Sample.GetOutputPort())
>>
>>
>> #Export to STL
>> writerBinary = vtkSTLWriter()
>> writerBinary.SetFileName("c:\\exported.stl")
>> writerBinary.SetInput(Surface.GetOutput())
>> writerBinary.SetFileType(2)
>> writerBinary.Write()
>>
>>
>>
>> Mapper = vtkPolyDataMapper()
>> Mapper.SetInput(Surface.GetOutput())
>> Mapper.ScalarVisibilityOn()
>>
>> Actor = vtkActor()
>> Actor.SetMapper(Mapper)
>> Actor.SetPosition(0,0,0)
>>
>>
>> ren = vtkRenderer()
>> ren.AddActor(Actor)
>>
>> renWin = vtkRenderWindow()
>> renWin.AddRenderer(ren)
>>
>> iren = vtkRenderWindowInteractor()
>> iren.SetRenderWindow(renWin)
>>
>> renWin.Render()
>>
>>
>>
>>
>> 2008/4/28 Mathieu Malaterre <mathieu.malaterre at gmail.com>:
>>
>> Hi Paulo,
>>>
>>>  I believe this question has been raised in the vtkusers mailing list
>>> before, how about:
>>>
>>> http://www.vtk.org/pipermail/vtkusers/2007-April/090730.html
>>>
>>> HTH
>>> -Mathieu
>>>
>>> On Sun, Apr 27, 2008 at 3:44 AM, Paulo Henrique Junqueira Amorim
>>> <paulojamorim at gmail.com> wrote:
>>> > Hi All,
>>> >
>>> > I am researching how to make operation of intersseção and subtraction
>>> of
>>> > PolyData with the vtk 5. But I do not think any refence.
>>> >
>>> > That class could use?
>>> >
>>> >
>>> > Best Regards,
>>> > Paulo
>>> >
>>> >
>>> > _______________________________________________
>>> >  This is the private VTK discussion list.
>>> >  Please keep messages on-topic. Check the FAQ at:
>>> > http://www.vtk.org/Wiki/VTK_FAQ
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>>> >
>>> >
>>>
>>>
>>>
>>> --
>>> Mathieu
>>>
>>
>>
>
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