# How to make the vtkStreamTracer Result move？

**URL:** https://discourse.vtk.org/t/how-to-make-the-vtkstreamtracer-result-move/12513
**Category:** Support
**Tags:** python
**Created:** [October 20, 2023, 3:10am UTC](https://discourse.vtk.org/t/how-to-make-the-vtkstreamtracer-result-move/12513 "2023-10-20T03:10:14Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![zhang.zs.cn](https://discourse.vtk.org/user_avatar/discourse.vtk.org/zhang.zs.cn/32/7848_2.png) [@zhang.zs.cn](https://discourse.vtk.org/u/zhang.zs.cn)
#### Post date: [October 20, 2023, 3:10am UTC](https://discourse.vtk.org/t/how-to-make-the-vtkstreamtracer-result-move/12513/1 "2023-10-20T03:10:14Z")

</div>

According to the official example, we successfully render the flow curve using vtkStreamTracer, but how to make the flow curve move? I mean, let’s say a particle is moving along a curve, or there’s some other way to make the flow curve look like it’s moving。  
It is better to provide relevant example code, thank you。