# Stream Tracer python question

**URL:** https://discourse.paraview.org/t/stream-tracer-python-question/9617
**Category:** ParaView Support
**Tags:** python
**Created:** [May 12, 2022, 4:50pm UTC](https://discourse.paraview.org/t/stream-tracer-python-question/9617 "2022-05-12T16:50:01Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Thipessoa](https://discourse.paraview.org/user_avatar/discourse.paraview.org/thipessoa/32/9140_2.png) [@Thipessoa](https://discourse.paraview.org/u/Thipessoa)
#### Post date: [May 12, 2022, 4:50pm UTC](https://discourse.paraview.org/t/stream-tracer-python-question/9617/1 "2022-05-12T16:50:01Z")

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Hello, apparently changing Point1 or Point2 on a line in the Stream Tracer filter, doesn’t give you any output in the python trace tool.

Tried to find it in the documentation, unsuccessful.

Anyone have a clue on what could be done? Thanks.

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<div class="post-metadata">

### Author: ![Thipessoa](https://discourse.paraview.org/user_avatar/discourse.paraview.org/thipessoa/32/9140_2.png) [@Thipessoa](https://discourse.paraview.org/u/Thipessoa)
#### Post date: [May 12, 2022, 5:30pm UTC](https://discourse.paraview.org/t/stream-tracer-python-question/9617/2 "2022-05-12T17:30:29Z")

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streamTracer1.SeedType.Point1 = [1.0, 1.0, 0.0]  
streamTracer1.SeedType.Point2 = [1437.0, 1437.0, 239.0]

I found it in another thread, even though there’s no output in the tracing tool.

Mod can delete this thread if necessary.  
Thanks.