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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I am a very new user of Paraview – and am just learning its capabilities. I am importing a series of CSV files – creating points and Delaunay polygons – and then using the Calculator filter to create vectors to plot with the Glyph tool. But when I use the calculator – one of the “Point Data” fields is not numeric – and when I write my formula (which does not use the non-numeric field) and hit “Apply” - thje Output message says <o:p></o:p></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:Courier;color:maroon'>ERROR: In ..\..\..\..\source\VTK\Graphics\vtkArrayCalculator.cxx, line 304</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:Courier;color:maroon'>vtkPVArrayCalculator (000000000B39EAE0): Invalid array name: 'Name'<o:p></o:p></span></p><p class=MsoNormal>(the name of the non numeric field is “name”).<o:p></o:p></p><p class=MsoNormal>I tried renaming this field in the input file – and this didn’t work. So I removed the non-numeric field completely from the input file – and the calculator did work.<o:p></o:p></p><p class=MsoNormal>So, I have the option of editing all of my input files – so they don’t have non-numeric fields – or there is some way of getting Paraview to not choke on this field – or I’m missing something obvious right in front of my nose? Any help is appreciated.<o:p></o:p></p><p class=MsoNormal>Thanks.<o:p></o:p></p><p class=MsoNormal>New2PV<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>