# Setting of MarkerStyle does NOT work!

**URL:** https://discourse.slicer.org/t/setting-of-markerstyle-does-not-work/9073
**Category:** Support
**Created:** [November 7, 2019, 11:07pm UTC](https://discourse.slicer.org/t/setting-of-markerstyle-does-not-work/9073 "2019-11-07T23:07:23Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [November 8, 2019, 1:30am UTC](https://discourse.slicer.org/t/setting-of-markerstyle-does-not-work/9073/6 "2019-11-08T01:30:50Z")

</div>

I was able to reproduce the problem on one computer while it works well on another.

Can you try if it works well if you

- open a terminal window where `Slicer.exe` is located
- type `set SLICER_OPENGL_PROFILE=core`
- type `Slicer.exe` to start the application

Copy-paste this to the Python console:

```python
import SampleData
import numpy as np
volumeNode = SampleData.SampleDataLogic().downloadMRHead()
histogram = np.histogram(arrayFromVolume(volumeNode), bins=50)

chartNode = slicer.util.plot(histogram, xColumnIndex = 1)
chartNode.SetYAxisRangeAuto(False)
chartNode.SetYAxisRange(0, 4e5)

chartNode.GetNthPlotSeriesNode(0).SetMarkerStyle(slicer.vtkMRMLPlotSeriesNode.MarkerStyleCircle)
chartNode.GetNthPlotSeriesNode(0).SetMarkerSize(15)

```

You may also try updating your graphics card drivers. What graphics card and driver version do you use?

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