<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div>Hi Paul<br><br>Thanks for your help. But this does not work for me as "Merge Blocks" can not be applied to the two input datasets, which is in grey color.<br><br>This is very strange to me as the example in the usermanual, "Comparing Multiple Datasets" section in page 96, work perfectly for me. The data I used is from OpenFOAM calculation.<br></div><br><br><div><br></div><div id="divNeteaseMailCard"></div><br>ÔÚ 2014-07-20 04:18:08£¬"Paul Edwards" <paul.m.edwards@gmail.com> дµÀ£º<br> <blockquote id="isReplyContent" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><div dir="ltr">Try using "Merge Blocks" on each of the two input datasets before using the python calculator.<div><br></div><div>Regards,</div><div>Paul</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On 19 July 2014 14:48, linzhenhua <span dir="ltr"><<a href="mailto:linzhenhua@163.com" target="_blank">linzhenhua@163.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial">Hi<br><br>I want to compare the difference from the data from two dataset with the same grid topology. I load in two dataset separately, then apply the PythonCalculator filter, but immediately encounter the following error. What is the problem? The version is 4.1 for 32bit linux OS.<br>
<br>ERROR: In /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/VTK/Common/ExecutionModel/vtkDemandDrivenPipeline.cxx, line 815<br>vtkPVCompositeDataPipeline (0xb4711d0): Input for connection index 0 on input port index 0 for algorithm vtkPythonCalculator(0xb4aa0b0) is of type vtkMultiBlockDataSet, but a vtkDataSet is required.<br>
<br><br>ERROR: In /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/VTK/Common/ExecutionModel/vtkDemandDrivenPipeline.cxx, line 815<br>vtkPVCompositeDataPipeline (0xb4711d0): Input for connection index 1 on input port index 0 for algorithm vtkPythonCalculator(0xb4aa0b0) is of type vtkMultiBlockDataSet, but a vtkDataSet is required.<br>
<br><br>ERROR: In /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/VTK/Common/ExecutionModel/vtkDemandDrivenPipeline.cxx, line 815<br>vtkPVCompositeDataPipeline (0xb4711d0): Input for connection index 0 on input port index 0 for algorithm vtkPythonCalculator(0xb4aa0b0) is of type vtkMultiBlockDataSet, but a vtkDataSet is required.<br>
<br><br>ERROR: In /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/VTK/Common/ExecutionModel/vtkDemandDrivenPipeline.cxx, line 815<br>vtkPVCompositeDataPipeline (0xb4711d0): Input for connection index 1 on input port index 0 for algorithm vtkPythonCalculator(0xb4aa0b0) is of type vtkMultiBlockDataSet, but a vtkDataSet is required.<br>
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