# How can I extract a polygon with the same shape as a 3d glyph?

**URL:** https://discourse.vtk.org/t/how-can-i-extract-a-polygon-with-the-same-shape-as-a-3d-glyph/2205
**Category:** Support
**Tags:** file-formats
**Created:** [December 4, 2019, 2:09am UTC](https://discourse.vtk.org/t/how-can-i-extract-a-polygon-with-the-same-shape-as-a-3d-glyph/2205 "2019-12-04T02:09:12Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![rjsgml5698](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/r/85f322/32.png) [@rjsgml5698](https://discourse.vtk.org/u/rjsgml5698)
#### Post date: [December 4, 2019, 2:09am UTC](https://discourse.vtk.org/t/how-can-i-extract-a-polygon-with-the-same-shape-as-a-3d-glyph/2205/1 "2019-12-04T02:09:12Z")

</div>

I tried running the vtp example via the following link.

[https://vtk.org/Wiki/VTK/Examples/Cxx/IO/WriteVTP](https://vtk.org/Wiki/VTK/Examples/Cxx/IO/WriteVTP)

However, paraview of the output of .vtp shows 3d glyphs. But points and the surface seem to be completely different.

[3d glyphs]

 ![image](https://discourse.vtk.org/uploads/default/original/2X/9/962a8d253c8719233242cca42a903aa7709aa5e5.png)

[points]  
 ![image](https://discourse.vtk.org/uploads/default/original/2X/1/1391e5fbe536a9b85ee300973f3eb8be80aa0f6c.png)

[surface]  
 ![image](https://discourse.vtk.org/uploads/default/original/2X/5/5cc4bf0e818aef3fce3f0fa4eb97d8ed4022c6f4.png)

How can I extract a polygon with the same shape as a 3d glyph?

thank you
