[General] query point data with python

seanread · October 12, 2015, 04:45

I'm trying to query values integrated on a point to return as a float.

I can integrate over an object, for example

Code:

MyObject= GetActiveSource()

Slice1 = Slice(SliceType="Plane")

Slice1 = GetActiveSource()

Int = IntegrateVariables()

giving the integrated values in the gui, but if I then want to return the area, for example from the Int object as a float in python, I'm coming up blank, been looking all afternoon through the documentation for a solution, so far nothing, can someone please point me in the right direction?

Flowkersma · October 12, 2015, 07:28

Hello,

You can get the area (cell data) and velocity (point data) with following code:

Code:

from paraview import numpy_support as ns
intData = servermanager.Fetch(Int)
Area = ns.vtk_to_numpy(intData.GetCellData().GetArray('Area'))[0]
U = ns.vtk_to_numpy(intData.GetPointData().GetArray('U'))[0]

Regards,
Mikko

seanread · October 13, 2015, 00:06

Thanks Mikko, that did the trick

October 12, 2015, 04:45	query point data with python	#1
seanread Member sean read Join Date: Sep 2014 Location: Melbourne, Australia Posts: 41 Rep Power: 11	I'm trying to query values integrated on a point to return as a float. I can integrate over an object, for example Code: MyObject= GetActiveSource() Slice1 = Slice(SliceType="Plane") Slice1 = GetActiveSource() Int = IntegrateVariables() giving the integrated values in the gui, but if I then want to return the area, for example from the Int object as a float in python, I'm coming up blank, been looking all afternoon through the documentation for a solution, so far nothing, can someone please point me in the right direction?

October 12, 2015, 07:28		#2
Flowkersma Senior Member Mikko Join Date: Jul 2014 Location: The Hague, The Netherlands Posts: 243 Rep Power: 12	Hello, You can get the area (cell data) and velocity (point data) with following code: Code: from paraview import numpy_support as ns intData = servermanager.Fetch(Int) Area = ns.vtk_to_numpy(intData.GetCellData().GetArray('Area'))[0] U = ns.vtk_to_numpy(intData.GetPointData().GetArray('U'))[0] Regards, Mikko

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October 13, 2015, 00:06		#3
seanread Member sean read Join Date: Sep 2014 Location: Melbourne, Australia Posts: 41 Rep Power: 11	Thanks Mikko, that did the trick