I guess I don't quite understand what you're after. But if you'd like more triangles in your dataset, you can use the Subdivide filter.
Pat On Tue, Nov 29, 2011 at 7:48 PM, Ian Leslie <lesl4...@vandals.uidaho.edu> wrote: > Pat, > Thanks, I think I see were you are going with this, except that the > normals from 'Generate Surface Normals' for the Delaunay2D are not all the > same, except that they are very similar in the Z direction. The Delaunay2D > plane is not a plane with uniform topography. > > Is there someway to get the xyz coordinate of the intersection between an > linear extruded line and a Delaunay2D plane? Then I could just find the > difference in the Z direction of the coordinates. > > Thanks for your help, its given me a few more ideas. > > Ian > > ________________________________________ > From: pat marion [pat.mar...@kitware.com] > Sent: Sunday, November 27, 2011 6:10 PM > To: Ian Leslie > Cc: paraview > Subject: Re: [Paraview] Calculate the distance between many xyz points and a > non-uniform 2D plane? > > You can apply the 'Generate Surface Normals' filter to your Delaunay2D > output to compute normals for each point in the dataset. If you look > at the output of 'Generate Surface Normals' in the Spreadsheet view, > you can see the computed normal values. I'd expect each point to have > the same normal, right? Using the normal, and the position of one of > the points, you can define a plane. Now you can compute the distance > to the plane using the paraview python console: > > from paraview import vtk > > plane = vtk.vtkPlane() > plane.SetOrigin(origin) > plane.SetNormal(normal) > print plane.DistanceToPlane(myPoint) > > Hope this helps! > > Pat > > > On Sat, Nov 26, 2011 at 9:37 PM, Ian Leslie <lesl4...@vandals.uidaho.edu> > wrote: >> Hi All, >> I would like to calculate the distance between a xyz point and a >> non-uniform 2D plane within ParaView 3.12.0. The 2d plane was generated >> using xyz point data and the Delaunay2D filter. The problem is that I need >> the difference in z normal between the plane and the point. >> >> When I examine the plane from the 2D filter the xyz point information is the >> same as that of the points used to make the plane. >> >> Is there any way make the plane have nearly continuous or at least a whole >> lot more points so that there would exist a point in the plane very close to >> normal above the individual point I want to measure from? >> >> Using the Ruler tool would work, but there are about a thousand points I >> would like to measure from, so it would also be very time consuming, tedious >> and potentially impossible to reproduce the same exact results. >> I also have an 3D unstructured grid that could be manipulated, it has the >> same topology as the 2D plane, the same xyz points went into creating it >> using an outside program. >> >> Open to any ideas and suggestions on ways to approach the problem. >> >> Ian >> >> >> >> >> >> _______________________________________________ >> 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
