# Extracting statistical values from a scalar heatmap on vtk model

**URL:** <https://discourse.slicer.org/t/extracting-statistical-values-from-a-scalar-heatmap-on-vtk-model/37578>\
**Category:** Support\
**Created:** [July 26, 2024, 9:12pm UTC](https://discourse.slicer.org/t/extracting-statistical-values-from-a-scalar-heatmap-on-vtk-model/37578 "2024-07-26T21:12:35Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Potassium\_Chloride](https://avatars.discourse-cdn.com/v4/letter/p/8797f3/32.png) [@Potassium\_Chloride](https://discourse.slicer.org/u/Potassium_Chloride)\
**Post date:** [July 26, 2024, 9:12pm UTC](https://discourse.slicer.org/t/extracting-statistical-values-from-a-scalar-heatmap-on-vtk-model/37578/1 "2024-07-26T21:12:35Z")

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I used the model-to-model distance extension to create a scalar model as a VTK file. Is there a way to extract the mean and standard deviation of the distances from the file?

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**Author:** ![Potassium\_Chloride](https://avatars.discourse-cdn.com/v4/letter/p/8797f3/32.png) [@Potassium\_Chloride](https://discourse.slicer.org/u/Potassium_Chloride)\
**Post date:** [July 26, 2024, 9:20pm UTC](https://discourse.slicer.org/t/extracting-statistical-values-from-a-scalar-heatmap-on-vtk-model/37578/2 "2024-07-26T21:20:46Z")

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I was able to do it using Paraview and then exporting the information