<div dir="ltr">I believe the issue is that the default behavior in Paraview is to not show all the points.<div>"error between computer and chair"</div><div><div> </div><div>The glyph Mask had to be changed to show all points. it makes sense for something that has many points but my data only had three vectors to show and the mask filter hid them all, so it seems to not non-issue.</div><div>I did beat my head over it a bit to much looking in the wrong place.</div><div><br></div><div>~Kurt </div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 12, 2016 at 9:02 AM, Cory Quammen <span dir="ltr"><<a href="mailto:cory.quammen@kitware.com" target="_blank">cory.quammen@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Kurt,<div><br></div><div>Nothing immediately jumps out at me as a problem in your code.</div><div><br></div><div>Do you have a small sample file that shows the problem that you can share?</div><div><br></div><div>Thanks,</div><div>Cory</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Tue, Oct 4, 2016 at 4:44 PM, Kurt Sansom <span dir="ltr"><<a href="mailto:kayarre@gmail.com" target="_blank">kayarre@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr">Hi, <div> I have some unstructured data, no triangles, just points and normals.</div><div><br></div><div>I am trying to write those to a file in the vtp format using the python bindings and then load the data in paraview and apply a glyph filter to view the vectors. but the glyph filter doesn't appear to work eventhough the data looks alright in the vtp file, what am I missing?</div><div><br></div><div>here is the code snippet.</div><div><br></div><div><div> #write normals</div><div> points = vtk.vtkPoints()</div><div> verts = vtk.vtkCellArray()</div><div> polydata_pts = vtk.vtkPolyData()</div><div> </div><div> pointNormalsArray = vtk.vtkDoubleArray()</div><div> pointNormalsArray.SetNumberOfC<wbr>omponents(3)</div><div><br></div><div> for i in range(clipSeedIds.GetNumberOfI<wbr>ds()):</div><div><br></div><div> seedId = clipSeedIds.GetId(i)</div><div><br></div><div> locator = vtk.vtkPointLocator()</div><div> locator.SetDataSet(clippedSurf<wbr>ace)</div><div> locator.BuildLocator()</div><div><br></div><div> seedPoint = self.Surface.GetPoint(seedId)</div><div> seedPointId = locator.FindClosestPoint(seedP<wbr>oint)</div><div><br></div><div> planeEstimator = vtkvmtk.vtkvmtkPolyDataNormalP<wbr>laneEstimator()</div><div> planeEstimator.SetInputData(cl<wbr>ippedSurface)</div><div> planeEstimator.SetOriginPointI<wbr>d(seedPointId)</div><div> planeEstimator.Update()</div><div><br></div><div> plane = vtk.vtkPlane()</div><div> plane.SetOrigin(planeEstimator<wbr>.GetOrigin())</div><div> plane.SetNormal(planeEstimator<wbr>.GetNormal())</div><div><br></div><div> #testing the normal vector</div><div> </div><div> origin_pt = planeEstimator.GetOrigin()</div><div> normal_pt = planeEstimator.GetNormal()</div><div> </div><div> id = points.InsertNextPoint(origin_<wbr>pt)</div><div> verts.InsertNextCell(1) </div><div> verts.InsertCellPoint(id)</div><div> pointNormalsArray.InsertNextTu<wbr>ple(normal_pt)</div><div> </div><div><br></div><div><br></div><div> #Add the points to the polydata container</div><div> polydata_pts.SetPoints(points)</div><div> polydata_pts.SetVerts(verts)</div><div> </div><div> # Add the normals to the points in the polydata</div><div> #polydata_pts.GetCellData().Se<wbr>tNormals(pointNormalsArray)</div><div> polydata_pts.GetPointData().Se<wbr>tNormals(pointNormalsArray)</div><div> polydata_pts.Modified()</div><div> </div><div> </div><div> writer = vtk.vtkXMLPolyDataWriter()</div><div> writer.SetDataModeToAscii()</div><div> writer.SetFileName(os.path.joi<wbr>n(</div><div> "/Users/sansomk/caseFiles/ultr<wbr>asound/cases/DSI003LER/other", </div><div> "pts_out.vtp"))</div><div> writer.SetInputData(polydata_p<wbr>ts)</div><div> writer.Write()</div><span class="m_-8427077549570392633HOEnZb"><font color="#888888"><div><br></div><div><br></div><div>~Kurt</div><div><div><br></div>-- <br><div class="m_-8427077549570392633m_-3855305662885353987gmail_signature">Kurt Sansom<br></div>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div class="m_-8427077549570392633gmail_signature" data-smartmail="gmail_signature">Cory Quammen<br>Staff R&D Engineer<br>Kitware, Inc.</div>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">Kurt Sansom<br></div>
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