[ITK] [ITK-users] itkSmoothingQuadEdgeMeshFilter Help!!

[Bill Lorensen]

If you have it in vtk, I suggest using the vtk pipeline to smooth the data.

On Thu, Jul 31, 2014 at 1:35 AM, Mallikarjun K <mallikarjun49 at gmail.com> wrote:
> Hi Bill,
> Thanks for the replay.
>
> Yes,I built both ITK and my app with Release ,I forgot to mention it in the
> previous post.Actually the data set is the output of
> vtkDiscreteMarchingCubes algorithm(around 5MB) and need to smooth .I saved
> this marching cube's output as .vtk file and read it using
> itkVTKPolyDataReader and then I am giving this reader's output to
> itkSmoothingQuadEdgeMeshFilter's input.
>
> I checked the execution time of each step in the pipeline ,after
> SmothingQEMeshFilter has got it's input ,it is taking time to process the
> data.
>
> Thank you
>
>
>
> On Wed, Jul 30, 2014 at 9:29 PM, Bill Lorensen <bill.lorensen at gmail.com>
> wrote:
>>
>> First, make sure you are building ITK and your app with Release. A
>> Debug build can be 10-50 times slower.
>>
>>
>> On Wed, Jul 30, 2014 at 10:18 AM, Mallikarjun K <mallikarjun49 at gmail.com>
>> wrote:
>> > Hi All,
>> > I am using itkSmoothingQuadEdgeMeshFilter for Surface Mesh
>> > smoothing.This
>> > filter is giving good results what I expected but taking more execution
>> > time.can any one suggest me to reduce the execution time( multi
>> > threading
>> > or any parameters to add/remove )?
>> >
>> > Below is the code snippet
>> > ///////
>> > typedef itk::QuadEdgeMeshTraits<double, 3,double, double, double,double
>> > >
>> > qetraits;
>> > typedef itk::QuadEdgeMesh< vtkFloatingPointType, 3,qetraits > MeshType;
>> >
>> > //typedef itk::QuadEdgeMesh< vtkFloatingPointType, 3 > MeshType;
>> >
>> > itk::OnesMatrixCoefficients< MeshType > coeff0;
>> >
>> > typedef itk::SmoothingQuadEdgeMeshFilter< MeshType, MeshType >
>> > SmoothingQuadEdgeMeshFilter;
>> >
>> >     SmoothingQuadEdgeMeshFilter::Pointer QEMeshSmoother =
>> > SmoothingQuadEdgeMeshFilter::New();
>> >
>> > QEMeshSmoother->SetInput("abc.vtk");
>> > QEMeshSmoother->SetNumberOfIterations(5 );
>> > QEMeshSmoother->SetRelaxationFactor( 0.5 );
>> > QEMeshSmoother->SetDelaunayConforming(true );
>> > QEMeshSmoother->SetCoefficientsMethod( &coeff0 );
>> > QEMeshSmoother->Update();
>> > ////
>> >
>> > --
>> > Regards:
>> > Mallik
>> >
>> >
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>>
>>
>> --
>> Unpaid intern in BillsBasement at noware dot com
>
>
>
>
> --
> Regards:
> Mallik
>



-- 
Unpaid intern in BillsBasement at noware dot com
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