[Paraview] Statistics Inspector data via Python

[Scott Wittenburg]

The GetDataInformation() function can be used to meet some of your needs,
though maybe not all:

proxy = GetActiveSource()
dataInfo = proxy.GetDataInformation()

# Get some basic statistics about the data
info = { 'bounds': dataInfo.DataInformation.GetBounds(),
         'points': dataInfo.DataInformation.GetNumberOfPoints(),
         'cells': dataInfo.DataInformation.GetNumberOfCells(),
         'type': dataInfo.DataInformation.GetPrettyDataTypeString(),
         'memory': dataInfo.DataInformation.GetMemorySize() }

I'm not sure how to get the number of polygons.  Perhaps there's more in
that DataInformation reference?

Cheers,
Scott





On Tue, Jul 29, 2014 at 3:27 PM, Bill Sherman <shermanw at indiana.edu> wrote:

> ParaView People,
>
> I wonder how I might go about accessing the numbers that appear in
> the "Statistics Inspector" view panel via the Python scripting
> interface.  I would like to output some data in the log that I
> write when generate a batch animation -- items such as memory
> consumption and number of polygons for example.
>
> It looks like basically all the data that I am interested in is
> contained in the "Statistics Inspector", so I'm hoping there is
> a quick way to access the data.
>
> I read through Utkarsh and Ben's Kitware Blog entry on ParaView
> memory consumption, but that relies on procfs, and I'd rather
> avoid going through that to keep track of things -- besides that
> just gives the overall consumption, and then broken down by
> shared objects rather than pipeline objects.
>
> One other thing -- I'm curious as to what the difference is between
> the "Statistics Inspector" columns named "Memory (MB)" and
> "Geometry (MB)".  I'm confident that the first means what is
> suggests, but I don't know what Geometry would be measured in
> MegaBytes, and how that would differ from basic memory consumption.
>
>         Thanks,
>         Bill
>
> --
> Bill Sherman
> Sr. Technology Advisor
> Advanced Visualization Lab
> Pervasive Technology Inst
> Indiana University
> shermanw at indiana.edu
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