[ITK] [ITK-users] ITK PyBuffer get physical point coordinates

[Lowekamp, Bradley (NIH/NLM/LHC) [C]]

Hi!

You can generate an image of the physical locations of each pixel with the PhysicalPointImageSource filter:
https://itk.org/Doxygen/html/classitk_1_1PhysicalPointImageSource.html

Very recently added is the SetReferenceImage, which can be use to copy the meta data from one image to the parameters of this filter. If your version is not super recent then you can manually set the Size, Spacing, Origin, Direction and StartIndex.

After you generate the point image you should be able to convert to with the same method.

HTH,
Brad


On Apr 27, 2017, at 4:58 PM, D'Isidoro Fabio <fisidoro at ethz.ch<mailto:fisidoro at ethz.ch>> wrote:

Hallo,

I know it’s possible to get a numpy array of an itk image with:

itk.PyBuffer[ImageType].GetArrayFromImage(Image)

Is it by any chance also possible to obtain a (flattended) numpy array of the physical coordinates of the image pixels too?

Thank you!

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