Thank you Sven, I follow your advice, in vtkCleanUnstructuredGrid, I replace vtkMergePoints locator by vtkPointLocator. Hereby, I am able to specify the tolerance to merge points, and get the desired results.
Thank you very much. yoshimi 2013/9/2 Sven Buijssen <[email protected]> > Hi Yoshimi, > > The Clean to Grid filter internally invokes vtkCleanUnstructuredGrid > which can merge duplicate points, but they need to have coincident > coordinates. In contrast, very old versions of ParaView also merged very > close points, but that is not true any more, see closed issue > http://www.paraview.org/Bug/view.php?id=9728 > > It is actually very simple to derive a (c++-based) plugin from > vtkCleanUnstructuredGrid that provides a filter that merges points > within a distance of less than a (configurable) fraction of the length > of the diagonal of the bounding box of the data set. But in order to be > able to use said plugin you would need to compile ParaView from source. > Not sure whether you would want to go to such lengths. > > Sven > > > kenichiro yoshimi wrote, On 02.09.2013 07:47: > > Hi all, > > > > I want to merge the very close (or coincident) points in PV. For > > instance, there are very close two points and one point apart from them, > > i.e., an ASCII VTK File: > > ---------- > > vtk output > > ASCII > > DATASET UNSTRUCTURED_GRID > > POINTS 3 float > > 1 1 1 > > 0 0 0 > > 0 0 1e-014 > > CELLS 3 6 > > 1 0 > > 1 1 > > 1 2 > > CELL_TYPES 3 > > 1 > > 1 > > 1 > > ---------- > > I use the Clean to Grid filter to merge the two close points, but after > > that there remains three points. Can anyone tell me what this is? > > > > Thanks, > > yoshimi > > > > > > _______________________________________________ > > 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 ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > > > Follow this link to subscribe/unsubscribe: > > http://www.paraview.org/mailman/listinfo/paraview > > >
_______________________________________________ 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 ParaView Wiki at: http://paraview.org/Wiki/ParaView Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview
