# changing the PointSource model

**URL:** https://discourse.vtk.org/t/changing-the-pointsource-model/10586
**Category:** Support
**Created:** [February 1, 2023, 6:52pm UTC](https://discourse.vtk.org/t/changing-the-pointsource-model/10586 "2023-02-01T18:52:36Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![Sebastien\_Jourdain](https://discourse.vtk.org/user_avatar/discourse.vtk.org/sebastien_jourdain/32/100_2.png) [@Sebastien\_Jourdain](https://discourse.vtk.org/u/Sebastien_Jourdain)
#### Post date: [February 3, 2023, 12:50am UTC](https://discourse.vtk.org/t/changing-the-pointsource-model/10586/4 "2023-02-03T00:50:35Z")

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> [@Manually Create PolyData in vtk.js](https://discourse.vtk.org/t/manually-create-polydata-in-vtk-js/885/7):
>
> Relative to this topic ‘Create polydata in vtk.js’, I am struggling with coding a polyData from a JSON file that represents continents. Easy to read with d3.js, I cannot create a vtk.vtkAppendPolyData correctly. Any help would be appreciated. d3.queue() .defer(d3.json, "https://unpkg.com/world-atlas@1/world/50m.json") .awaitAll(function(error, data) { if (error) throw error; console.log('continents ---\> Read'); console.log('################### finis…

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