# \#reg

**URL:** https://forum.opencv.org/tag/reg/432.md

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## [How to use MapperGradEuclid](https://forum.opencv.org/t/how-to-use-mappergradeuclid/22523)

<div class="topic-metadata">

**Author:** [@Steve\_Best](https://forum.opencv.org/u/Steve_Best)\
**Replies:** 3\
**Last updated:** [June 18, 2025, 2:02pm UTC](https://forum.opencv.org/t/how-to-use-mappergradeuclid/22523 "2025-06-18T14:02:48Z")

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I’ve seen a function MapperGradEuclid and I’d like to see if it is useful, but, despite it being in the docs I can’t seem to access it from python. I’ve seen some StackOverflow questions, none very recent, where people …