# Quickly access points of a vtkPoints with vtkIdType

**URL:** https://discourse.vtk.org/t/quickly-access-points-of-a-vtkpoints-with-vtkidtype/7354
**Category:** Support
**Created:** [December 7, 2021, 11:39am UTC](https://discourse.vtk.org/t/quickly-access-points-of-a-vtkpoints-with-vtkidtype/7354 "2021-12-07T11:39:04Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![Julienchz](https://discourse.vtk.org/user_avatar/discourse.vtk.org/julienchz/32/4106_2.png) [@Julienchz](https://discourse.vtk.org/u/Julienchz)
#### Post date: [December 7, 2021, 11:39am UTC](https://discourse.vtk.org/t/quickly-access-points-of-a-vtkpoints-with-vtkidtype/7354/1 "2021-12-07T11:39:04Z")

</div>

Hello,  
I have a vtkIdTypeArray or a vtkIdList referring to points inside a vtkPoints, how can I access quickly those points to render them without using vtkSelectionNode (too long with a large pointcloud) ?

Thanks for your help