I think you need to run Delauney on one of the point sets to turn the point samples floating in space into into a partitioning of space. Then the probe filter will be able to find values (interolating the values of the points that make up the containing cell) for the second set of points.
David E DeMarle Kitware, Inc. R&D Engineer 28 Corporate Drive Clifton Park, NY 12065-8662 Phone: 518-371-3971 x109 On Wed, Apr 21, 2010 at 12:34 PM, <luca.cleme...@tororosso.com> wrote: > Dear David, > I have two data sets with 3d points and a scalar value coming from two CSV > files and then I filter them through Table to Points, and then I apply the > resample data set filter. > > So basically the two inputs are Poligonal Mesh, see the attached pic. > > Sincerely, > Luca > > > > > > > paraview-boun...@paraview.org wrote on 04/21/2010 04:14:44 PM: >> >> The probe filter assigns the invalid flag when a sample location isn't >> located within any cell in the field (as happens in parallel cases >> when a processor is sampling outside of its local domain). >> >> What data type are you sampling within exactly? If the cells are 2D or >> less, it is pretty easy to have lots of the sample locations not >> satisfy the plane equations of any of the 2D cells. >> >> David E DeMarle >> Kitware, Inc. >> R&D Engineer >> 28 Corporate Drive >> Clifton Park, NY 12065-8662 >> Phone: 518-371-3971 x109 >> >> >> >> On Wed, Apr 21, 2010 at 9:49 AM, <luca.cleme...@tororosso.com> wrote: >> > Dear all, >> > I have two CVS files with ~500000 3d point with a scalar value. >> > I load them in paraview then I use Table To points to have a polygonal > mesh. >> > >> > I then use the resample with dataset so that in the next step I can do > a >> > with the a programmable filter. >> > >> > The problem I have is that looking at the vtkValidPointMask after I > run the >> > probe filter I have almost ~400000 points which are set to 0 (aka they > are >> > invalid). >> > >> > Why is that? How can I reduce that number? >> > >> > My two data set are the results of a very dense point sample taken on > the >> > same boundary surface. >> > >> > Sincerely, >> > Luca >> > >> > >> > >> > _________________________________________________________________________________________________________________ >> > Questo messaggio è da intendersi esclusivamente ad uso del > destinatario e >> > può contenere informazioni che sono di natura privilegiata, > confidenziale >> > o non divulgabile secondo le leggi vigenti. 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