2D colouring of a surface of a given shape (Circular rake)

Image courtesy: https://arc.aiaa.org/doi/10.2514/6.2013-3796


I hope this message finds you well. I am attempting to plot data similar to the attached image. I have scalar values at various points, represented in a CSV file with columns (x, y, z, scalar_value). I am looking for a way to achieve this visualization in ParaView.

I have considered using the Delaunay 2D filter, but it results in a flat surface. My goal is to create a visualization that resembles a rake, as shown in the image. Is there a method in ParaView to achieve this effect?

Thank you for your time and expertise.

Please share your data

Thank you for your response.

Attached is a CSV file containing x, y, and z coordinates followed by velocity magnitudes. These values were obtained by first inputting the CSV files of the coordinates into ParaView, where I had my CFD results. Then, I resampled at those points.
data.csv (1.5 KB)

Please let me know if you need any further information.

Best regards

Something like that ?

Please note I used delaunay 2D and then remove the cells in the middle manually.

state.pvsm (481.8 KB)


Hey Mathieu,

That’s exactly what I’m looking for. Could you please briefly explain the steps involved? Once again, thank you for your help.

Best regards,

  1. Create geometry:
  • run ParaView
  • File → Open → data.csv → Apply
  • FIlters → TableToPoints → X, Y, Z, → Apply
  • Filter → Delaunay2D → BestFittingPlane → Apply
  1. Extract wanted cells
  • Switch representation to SurfaceWithEdges
  • Use “InteractiveSelectCellsOn”
  • Select the few cells in the middle
  • View → FIndData
  • InvertSelection
  • Filter → ExtractSelection
  1. Representation
  • Show TableToPoint as Point representation, increase point size
  • Show the ExtractSelection as surface, show “Velocity” variable
  • View → ColorMap Editor → Preset → All → KAAMS


1 Like

Thank you for your support.

1 Like