<div dir="ltr"><div><div><div><div>Hi,<br><br></div>What OS are you on and what version of ParaView are you using? <br><br></div>I suspect that it's the auto-apply feature that is causing problems. When this is done then the apply button will pretty much always be off because actions that you're doing in the GUI are automatically executed/updated by the server. To disable this feature you can click on the button at the top of the GUI with the little workstation with a green arrow pointing up and to the right.<br><br></div>Best,<br></div>Andy<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Nov 3, 2016 at 12:31 PM, egoli2 <span dir="ltr"><<a href="mailto:egoli2@illinois.edu" target="_blank">egoli2@illinois.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi everyone<br>
<br>
When I use calculator in Paraview to change the value of the one of the<br>
output I get this error:<br>
<br>
------------------------------<wbr>------------------------------<wbr>------------------------------<wbr>----------------------<br>
ERROR: In<br>
/home/utkarsh/Dashboards/<wbr>MyTests/NightlyMaster/<wbr>ParaViewSuperbuild-Release/<wbr>paraview/src/paraview/VTK/<wbr>Common/Misc/vtkFunctionParser.<wbr>cxx,<br>
line 1484<br>
vtkFunctionParser (0x6e70250): Syntax error: expecting a variable name;  see<br>
position 12<br>
<br>
<br>
ERROR: In<br>
/home/utkarsh/Dashboards/<wbr>MyTests/NightlyMaster/<wbr>ParaViewSuperbuild-Release/<wbr>paraview/src/paraview/VTK/<wbr>Common/Misc/vtkFunctionParser.<wbr>cxx,<br>
line 1484<br>
vtkFunctionParser (0x6e70250): Syntax error: expecting a variable name;  see<br>
position 12<br>
<br>
<br>
Warning: In<br>
/home/utkarsh/Dashboards/<wbr>MyTests/NightlyMaster/<wbr>ParaViewSuperbuild-Release/<wbr>paraview/src/paraview/VTK/<wbr>Filters/Core/<wbr>vtkArrayCalculator.cxx,<br>
line 401<br>
vtkPVArrayCalculator (0x6e6f900): An error occurred when parsing the<br>
calculator's function.  See previous errors.<br>
<br>
------------------------------<wbr>------------------------------<wbr>------------------------------<wbr>------------------------------<wbr>-----------------<br>
<br>
it happens when I type a + or - or * next to the temperature (the main field<br>
in my simulation).<br>
<br>
And, by the way, the apply button is always off! I do not know really why!<br>
<br>
Do you have any idea to avoid this problem?<br>
<br>
Best,<br>
Elyas<br>
<br>
<br>
<br>
--<br>
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