# Diffusion tensor scalar maps - Trace

**URL:** <https://discourse.slicer.org/t/diffusion-tensor-scalar-maps-trace/9703>\
**Category:** SlicerDMRI\
**Tags:** diffusion\
**Created:** [January 3, 2020, 1:30pm UTC](https://discourse.slicer.org/t/diffusion-tensor-scalar-maps-trace/9703 "2020-01-03T13:30:24Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Cristian\_Leyton\_Varg](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/cristian_leyton_varg/32/5583_2.png) [@Cristian\_Leyton\_Varg](https://discourse.slicer.org/u/Cristian_Leyton_Varg)\
**Post date:** [January 3, 2020, 1:30pm UTC](https://discourse.slicer.org/t/diffusion-tensor-scalar-maps-trace/9703/1 "2020-01-03T13:30:24Z")

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Hello, please, What is the option Trace? in Quantify  
—\>Diffusion tensor scalar maps —\> scalar measurement

Thank you in advance

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<div class="post-metadata">

**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [January 3, 2020, 1:57pm UTC](https://discourse.slicer.org/t/diffusion-tensor-scalar-maps-trace/9703/2 "2020-01-03T13:57:01Z")

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The trace is the sum of the diagonal elements of the diffusion tensor.