<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:12pt"><div>Hi,<br><br>I have a MultiBlockDataSet composed of severals unstructuredGrid (tetra, hexa,...). All The cells share the same points array and I have some blocks 'cells of the data set that share the same points.<div dir="ltr" style="zoom:1"><span id="result_box" class="" lang="en"><span class="hps">The idea is to</span> <span class="hps">move a point</span> <span class="hps">belonging</span> <span class="hps">to a cell</span> of <span class="hps">block</span> <span class="hps">1</span> <span class="hps">and</span> <span class="hps">to a</span></span><span id="result_box" class="" lang="en"><span class="hps"> cell</span></span> of <span id="result_box" class="" lang="en"><span class="hps">block</span> <span class="hps">2</span>. Like this, because points array is share.<br><br>But, to render the
multiblockdataset, I use a vtkCompositeDataGeometryFilter that give me a vtkPolyData.<br><br><span>Then I use the <a target="_blank" href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Interaction/MoveAVertex">http://www.vtk.org/Wiki/VTK/Examples/Cxx/Interaction/MoveAVertex</a> example to select and move points.</span><br><br>The problem is that the points have been duplicated and are now independant (no more use of the global points array). <br><br>So, is there a way to preserve the points array information in order to well move points and preserve the topology ?<br><br>Thank you.<br></span></div></div></div></body></html>