# Surface reconstruction by vtk delaunay 3d

**URL:** https://discourse.vtk.org/t/surface-reconstruction-by-vtk-delaunay-3d/11866
**Category:** Support
**Tags:** code
**Created:** [July 3, 2023, 1:12am UTC](https://discourse.vtk.org/t/surface-reconstruction-by-vtk-delaunay-3d/11866 "2023-07-03T01:12:04Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![yen](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/y/50afbb/32.png) [@yen](https://discourse.vtk.org/u/yen)
#### Post date: [July 3, 2023, 1:12am UTC](https://discourse.vtk.org/t/surface-reconstruction-by-vtk-delaunay-3d/11866/1 "2023-07-03T01:12:05Z")

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Hello, I want to reconstruct the surface of a 3d object in vtk, which is a pcl point cloud type. However, when I use vtk delaunay to reconstruct the surface, I encountered the problem that vtk did not show anything and the program crash. Below is my code:

 ![image](https://discourse.vtk.org/uploads/default/original/2X/c/cf9611a6d3a72ac4e6f226ee3d8e17b9be9a532d.png)  
 ![image](https://discourse.vtk.org/uploads/default/original/2X/2/2b95d417f0c5280d6b13559cc93b69c21ccef5cd.png)

Where is the mistake I make? I am very confused, thank you very much