# vtkDynamic2DLabelMapper and vtkChartXY

**URL:** https://discourse.vtk.org/t/vtkdynamic2dlabelmapper-and-vtkchartxy/10275
**Category:** Support
**Created:** [December 20, 2022, 1:54pm UTC](https://discourse.vtk.org/t/vtkdynamic2dlabelmapper-and-vtkchartxy/10275 "2022-12-20T13:54:48Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![manatee](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/m/50afbb/32.png) [@manatee](https://discourse.vtk.org/u/manatee)
#### Post date: [December 20, 2022, 1:54pm UTC](https://discourse.vtk.org/t/vtkdynamic2dlabelmapper-and-vtkchartxy/10275/1 "2022-12-20T13:54:48Z")

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Hi all,  
how do you use labels (e.g. vtkDynamic2DLabelMapper) in vtkChartXY?  
I can render them, but they’re at the wrong positions. Do I need to apply a coordinate system or a transformation first? If so, how is it done?

Thanks in advance,  
Manatee