Hi,
It is using the default settings for a vtkImageGrid which is to set the
spacing to 1 in each direction and the origin to (0,0,0). vtkImageData has
SetOrigin() and SetSpacing() methods. You can see the class documentation
at http://www.vtk.org/doc/nightly/html/classvtkImageData.html.
Cheers,
Andy
On Fri, Apr 14, 2017 at 7:54 AM, 刘楚高 <frank1985...@gmail.com> wrote:
> hi, all
>
> In Catalyst example "Fortran90FullExample" -> "FECxxAdaptor.cxx"->"
> createcpimagedata_", the grid is new and has no coordinates. So, how to
> transfer the simulation grid coordinates to this vtkImageData grid?
>
> Thank you!
>
> extern "C" void createcpimagedata_(int* nxstart, int* nxend, int* nx,
>
> int* ny, int* nz)
>
> {
>
> if (!vtkCPPythonAdaptorAPI::GetCoProcessorData())
>
> {
>
> vtkGenericWarningMacro("Unable to access CoProcessorData.");
>
> return;
>
> }
>
>
> // The simulation grid is a 3-dimensional topologically and
> geometrically
>
> // regular grid. In VTK/ParaView, this is considered an image data set.
>
> vtkSmartPointer<vtkImageData> grid = vtkSmartPointer<vtkImageData>:
> :New();
>
>
> grid->SetExtent(*nxstart-1, *nxend-1, 0, *ny-1, 0, *nz-1);
>
>
> // Name should be consistent between here, Fortran and Python client
> script.
>
> vtkCPPythonAdaptorAPI::GetCoProcessorData()->GetInputDescriptionByName("
> input")->SetGrid(grid);
>
> vtkCPPythonAdaptorAPI::GetCoProcessorData()->GetInputDescriptionByName("
> input")->SetWholeExtent(0, *nx-1, 0, *ny-1, 0, *nz-1);
>
> }
>
> --
> 中国空气动力研究与发展中心 计算空气动力研究所
> Blog: http://blog.donews.com/frank777
> MSN: frank1985...@hotmail.com
>
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