# Data types in the XML files

**URL:** https://discourse.paraview.org/t/data-types-in-the-xml-files/9958
**Category:** ParaView Support
**Created:** [July 1, 2022, 1:56pm UTC](https://discourse.paraview.org/t/data-types-in-the-xml-files/9958 "2022-07-01T13:56:23Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![PetrKryslUCSD](https://discourse.paraview.org/user_avatar/discourse.paraview.org/petrkryslucsd/32/5908_2.png) [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)
#### Post date: [July 1, 2022, 1:56pm UTC](https://discourse.paraview.org/t/data-types-in-the-xml-files/9958/1 "2022-07-01T13:56:23Z")

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The documentation states

 ![image](https://discourse.paraview.org/uploads/default/original/2X/a/a51fb197cdd4edc7615d9f6a45f0d93f5e63d81b.png)  
So it would appear that only `Int32` are supported for the cells.  
Is this true?

If so, that would be bad news for me. I want to visualize a mesh of 840M tetrahedra,  
and I would obviously run out of the range.

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [July 1, 2022, 2:10pm UTC](https://discourse.paraview.org/t/data-types-in-the-xml-files/9958/2 "2022-07-01T14:10:04Z")

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No, you can use Int64 if you want and if you built VTK with the right option, it will be the default (`VTK_USE_64BIT_IDS`)