# \#distancemap

**URL:** https://discourse.itk.org/tag/distancemap/255.md

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## [ApproximateSignedDistanceMapImageFilter does not support any pixel type](https://discourse.itk.org/t/approximatesigneddistancemapimagefilter-does-not-support-any-pixel-type/6594)

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**Author:** [@M-Puig](https://discourse.itk.org/u/M-Puig)\
**Replies:** 1\
**Last updated:** [April 25, 2024, 12:51pm UTC](https://discourse.itk.org/t/approximatesigneddistancemapimagefilter-does-not-support-any-pixel-type/6594 "2024-04-25T12:51:20Z")

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Hi, I am trying to compute a distance map on a binary 3d shape, using ApproximateSignedDistanceMapImageFilter. I tried the following code def get\_radius\_map(mask): dist\_filter = sitk.ApproximateSignedDistanceMapIm…

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## [Wrong distance map](https://discourse.itk.org/t/wrong-distance-map/6342)

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**Author:** [@Sean\_Hatton](https://discourse.itk.org/u/Sean_Hatton)\
**Replies:** 1\
**Last updated:** [December 8, 2023, 8:17pm UTC](https://discourse.itk.org/t/wrong-distance-map/6342 "2023-12-08T20:17:20Z")

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I have a weird problem with distancemaps. I am in a Python 3.7 environment with SITK 2.2 (SITK 2.3 not supported on Python 3.7). I was able to run sitk.SignedMaurerDistanceMap and sitk.SignedDanielssonDistanceMap altern…