# Finding the largest physical region (bounding box) across an arbitrary number of input files (SimpleITK)

**URL:** https://discourse.itk.org/t/finding-the-largest-physical-region-bounding-box-across-an-arbitrary-number-of-input-files-simpleitk/5234
**Category:** Algorithms
**Created:** [August 1, 2022, 5:59pm UTC](https://discourse.itk.org/t/finding-the-largest-physical-region-bounding-box-across-an-arbitrary-number-of-input-files-simpleitk/5234 "2022-08-01T17:59:50Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![gdevenyi](https://discourse.itk.org/user_avatar/discourse.itk.org/gdevenyi/32/355_2.png) [@gdevenyi](https://discourse.itk.org/u/gdevenyi)
#### Post date: [August 1, 2022, 6:31pm UTC](https://discourse.itk.org/t/finding-the-largest-physical-region-bounding-box-across-an-arbitrary-number-of-input-files-simpleitk/5234/3 "2022-08-01T18:31:28Z")

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Thanks for the code, I can definitely steal some of that.

Since you’re isotropizing images, you might find this useful, [Resampling to Isotropic: Signal Processing Theory](https://discourse.itk.org/t/resampling-to-isotropic-signal-processing-theory/1403)

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