# Modifying b value on ADC map

**URL:** <https://discourse.slicer.org/t/modifying-b-value-on-adc-map/27782>\
**Category:** Support\
**Created:** [February 12, 2023, 3:52pm UTC](https://discourse.slicer.org/t/modifying-b-value-on-adc-map/27782 "2023-02-12T15:52:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Floren](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/floren/32/18457_2.png) [@Floren](https://discourse.slicer.org/u/Floren)\
**Post date:** [February 12, 2023, 3:52pm UTC](https://discourse.slicer.org/t/modifying-b-value-on-adc-map/27782/1 "2023-02-12T15:52:13Z")

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Hello everyone!  
Is it posible to change the b value on the ADC maps using 3d slicer?

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**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:** [February 12, 2023, 4:11pm UTC](https://discourse.slicer.org/t/modifying-b-value-on-adc-map/27782/2 "2023-02-12T16:11:54Z")

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No, if you have a precomputed ADC you can’t change the b value.