[Paraview] Multiple implicit functions

[Utkarsh Ayachit]

Try using the vtkAppendFilter to append all ths functions into a
single unstructured grid, and then write that output. BTW, since this
is a VTK question, it's best asked on the VTK users list and not
ParaView user's list.

Utkarsh

On Thu, Sep 23, 2010 at 7:28 PM, ChiaWeng Boon <chiaweng at gmail.com> wrote:
> Hi,
>
> To display ONE implicit function F(x,y,z)=0, I use vtksamplefunction,
> as shown below. The output of vtkSampleFunction in ImageData format is
> written to a file using vtkXMLImageDataWritter.   How do I write MANY
> implicit functions in one single file?  Put them into cells of
> unstructured grids?
>
> ImpFunc* function = ImpFunc::New();
> vtkSampleFunction* sample = vtkSampleFunction::New();
> sample->SetImplicitFunction(function);
> sample->SetModelBounds(xmin, xmax, ymin, ymax, zmin, zmax);
> sample->SetSampleDimensions(20,20,20);
> sample->ComputeNormalsOff();
> sample->Update();
> vtkSmartPointer<vtkXMLImageDataWriter> writer = vtkXMLImageDataWriter::New();
> writer->SetFileName(string a);
> writer->SetInput(sample->GetOutput());
> writer->Write();
>
>
> Yours,
>
> boon
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