# How to draw loop surface contour using paraview with 2D data?

**URL:** https://discourse.paraview.org/t/how-to-draw-loop-surface-contour-using-paraview-with-2d-data/5980
**Category:** In Situ Support
**Tags:** vtk
**Created:** [December 4, 2020, 12:38pm UTC](https://discourse.paraview.org/t/how-to-draw-loop-surface-contour-using-paraview-with-2d-data/5980 "2020-12-04T12:38:03Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![aquanaut](https://discourse.paraview.org/user_avatar/discourse.paraview.org/aquanaut/32/1302_2.png) [@aquanaut](https://discourse.paraview.org/u/aquanaut)
#### Post date: [December 4, 2020, 12:38pm UTC](https://discourse.paraview.org/t/how-to-draw-loop-surface-contour-using-paraview-with-2d-data/5980/1 "2020-12-04T12:38:03Z")

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I want to draw a loop surfae contour using the 2D data from the below monitoring points.  
Could you please tell me how to do that in pareview?  
The circle in the middle is blank.  
 ![QQ图片20201204203919](https://discourse.paraview.org/uploads/default/original/2X/b/b283c6aeddc45ec198a4b34018e313e8a93520b1.png)