# Get Point Array Data from an case file

**URL:** https://discourse.vtk.org/t/get-point-array-data-from-an-case-file/1264
**Category:** Support
**Created:** [July 3, 2019, 4:50pm UTC](https://discourse.vtk.org/t/get-point-array-data-from-an-case-file/1264 "2019-07-03T16:50:27Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![cvAIRteam](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/c/e274bd/32.png) [@cvAIRteam](https://discourse.vtk.org/u/cvAIRteam)
#### Post date: [July 3, 2019, 4:50pm UTC](https://discourse.vtk.org/t/get-point-array-data-from-an-case-file/1264/1 "2019-07-03T16:50:27Z")

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Hello everyone,

I am a vtk beginner. I use it with python.  
In a case file, there is a point array called “Velocity” and i would like to extract/get the data of this array.

At the beginning, I process as follow:

- reader = vtk.vtkEnSightGoldBinaryReader()
- reader.SetCaseFileName(“mycasefile.case”)
- reader.Update()

A priori, the case file is well load because when i write “reader.GetPointArrayName(0)”, I get “Velocity”.

reader is a vtkIOEnSightPython.vtkEnSightGoldBinaryReader object.

Then i don’t how to get the data of the point array called “Velocity”

I am happy to provide more information if needed.  
Thank you for your help !