# Extracting the physical characteristics of the applicator in the DRR image

**URL:** <https://discourse.slicer.org/t/extracting-the-physical-characteristics-of-the-applicator-in-the-drr-image/41758>\
**Category:** Support\
**Created:** [February 18, 2025, 3:27pm UTC](https://discourse.slicer.org/t/extracting-the-physical-characteristics-of-the-applicator-in-the-drr-image/41758 "2025-02-18T15:27:03Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![azam](https://avatars.discourse-cdn.com/v4/letter/a/ea666f/32.png) [@azam](https://discourse.slicer.org/u/azam)\
**Post date:** [February 18, 2025, 3:27pm UTC](https://discourse.slicer.org/t/extracting-the-physical-characteristics-of-the-applicator-in-the-drr-image/41758/1 "2025-02-18T15:27:03Z")

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Hi everyone  
I have a DRR image and I want to extract the physical characteristics of the brachytherapy applicator from it using 3D Slicer software. How can I do this? Can you help me?  
Thanks a lot

 ![Screenshot](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/4/e/4eff66ce3a55ec11fe8703dacb7b2cb739c85e7a.png)