# question about metric setter

**URL:** <https://discourse.itk.org/t/question-about-metric-setter/3251>\
**Category:** Engineering\
**Created:** [July 2, 2020, 10:51am UTC](https://discourse.itk.org/t/question-about-metric-setter/3251 "2020-07-02T10:51:39Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![dzenanz](https://discourse.itk.org/user_avatar/discourse.itk.org/dzenanz/32/1093_2.png) [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Post date:** [July 2, 2020, 3:15pm UTC](https://discourse.itk.org/t/question-about-metric-setter/3251/4 "2020-07-02T15:15:54Z")

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Usually randomly sampled. See this [discussion](https://discourse.itk.org/t/sampling-strategy-in-imageregistrationmethodv4/1038).

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