# Change display range of .raw file

**URL:** <https://discourse.slicer.org/t/change-display-range-of-raw-file/6320>\
**Category:** Support\
**Created:** [March 28, 2019, 6:44am UTC](https://discourse.slicer.org/t/change-display-range-of-raw-file/6320 "2019-03-28T06:44:23Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![anitakh1](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/anitakh1/32/3350_2.png) [@anitakh1](https://discourse.slicer.org/u/anitakh1)\
**Post date:** [August 9, 2019, 5:56am UTC](https://discourse.slicer.org/t/change-display-range-of-raw-file/6320/21 "2019-08-09T05:56:57Z")

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thanks for information. sir i could put points on my segmented length but how to calculate distance between the points. can you please explain.  
one more thing sir. i tried airway segmentation by simple region growing module and segment lung airway module but many airway points are not picked. is it possible to add more airway points somehow to create the actually ground truth. kindly suggest. i read this in one paper, attaching a clipping.

 ![AVIEW_clip](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/0/8/087ec4cfcaa917dc51ab00c5ec343288fd4a7646.png)

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