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Re: [Question #693279]: How to periodically output vtk files without overwriting previous results？

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Jan Stránský <question693279@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 05 Oct 2020 07:30:59 -0000
Reply-to: question693279@xxxxxxxxxxxxxxxxxxxxx
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Question #693279 on Yade changed:
https://answers.launchpad.net/yade/+question/693279

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hi,

create one instance of VTKExporter (not every time a new one), it increase internal "counter" and therefore does not overwrite the existing files.
############ [1]
vtk = export.VTKExporter('vtk/forcechain')
def vtkExport():
    vtk.exportInteractions(ids=intrs,what=dict(forceN='i.phys.normalForce.norm()'))
O.engines ...
###

cheers
Jan

[1] https://yade-dem.org/doc/yade.export.html#yade.export.VTKExporter

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