# Data Arrays Not Checked On By Default

**URL:** https://discourse.paraview.org/t/data-arrays-not-checked-on-by-default/1680
**Category:** Development
**Created:** [April 16, 2019, 9:38pm UTC](https://discourse.paraview.org/t/data-arrays-not-checked-on-by-default/1680 "2019-04-16T21:38:56Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![Aandreyev](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/a/34f0e0/32.png) [@Aandreyev](https://discourse.paraview.org/u/Aandreyev)
#### Post date: [April 16, 2019, 9:38pm UTC](https://discourse.paraview.org/t/data-arrays-not-checked-on-by-default/1680/1 "2019-04-16T21:38:56Z")

</div>

Hi all,

I have a slight issue with a reader that I have written. When I open the file, all of the data (cell data) is unchecked by default. This would not be be a big deal if it weren’t for the fact that it causes problems when I load in a pvsm state file using that reader. Basically the data does not get read on pvsm load.

I’m trying to do some testing, but I can’t figure out how to make the cell arrays be checked “on” by default. I have ran paraview through GDB and the backtrace from SetCellArrayStatus doesn’t provide me with much info since it leads to wrapper functions generated by paraview.

Is there something I need to add the xml file? I’ve read through the readers that do have the arrays load by default (XDMF) and I don’t see a difference between the xml portions that deal with SetArrayStatus functions.

Thank you!  
Andrey