# Why is the vtkChartXY a factory class?

**URL:** https://discourse.paraview.org/t/why-is-the-vtkchartxy-a-factory-class/15307
**Category:** Development
**Created:** [August 27, 2024, 7:26am UTC](https://discourse.paraview.org/t/why-is-the-vtkchartxy-a-factory-class/15307 "2024-08-27T07:26:47Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![joint](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/j/dc4da7/32.png) [@joint](https://discourse.paraview.org/u/joint)
#### Post date: [August 27, 2024, 7:26am UTC](https://discourse.paraview.org/t/why-is-the-vtkchartxy-a-factory-class/15307/1 "2024-08-27T07:26:47Z")

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Hello dear ParaView developers

Could you explain,  
Why is the vtkChartXY a factory class?

Thank u