# Tensor visualisation

**URL:** <https://community.mrtrix.org/t/tensor-visualisation/1847>\
**Category:** Uncategorized\
**Created:** [August 17, 2018, 7:54am UTC](https://community.mrtrix.org/t/tensor-visualisation/1847 "2018-08-17T07:54:23Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jdtournier](https://community.mrtrix.org/user_avatar/community.mrtrix.org/jdtournier/32/2594_2.png) [@jdtournier](https://community.mrtrix.org/u/jdtournier)\
**Post date:** [August 17, 2018, 3:36pm UTC](https://community.mrtrix.org/t/tensor-visualisation/1847/2 "2018-08-17T15:36:42Z")

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This sounds to me like the same issue as in [this recent thread](https://community.mrtrix.org/t/tensor2metric-rd-adc-ad-not-giving-good-values/1839). The problem is probably simply that you’re getting totally wild ADC values (i.e. values for the tensor elements) in non-brain regions. You try simply masking the data at the `dwi2tensor` stage, i.e.:

```auto
dwi2tensor dwi.mif -mask mask.mif dt.mif

```

That ought to get rid of _most_ of the problem – but probably not all of it, there’s likely to be a few remaining non-brain regions included in the mask that still cause trouble…

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