# Mapping and Patching result have inanition

**URL:** https://discourse.slicer.org/t/mapping-and-patching-result-have-inanition/18988
**Category:** VMTK
**Created:** [July 30, 2021, 8:53am UTC](https://discourse.slicer.org/t/mapping-and-patching-result-have-inanition/18988 "2021-07-30T08:53:54Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![junqiangchen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/junqiangchen/32/11541_2.png) [@junqiangchen](https://discourse.slicer.org/u/junqiangchen)
#### Post date: [July 30, 2021, 8:53am UTC](https://discourse.slicer.org/t/mapping-and-patching-result-have-inanition/18988/1 "2021-07-30T08:53:54Z")

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hi,i follow the example of An example: WSS and OSI along a branching vascular district from here:[http://www.vmtk.org/tutorials/MappingAndPatching.html,i](http://www.vmtk.org/tutorials/MappingAndPatching.html,i) set params -longitudinalpatchsize 0.5 -circularpatches 12,but the result is strange,the surface have many inanition.can anyone tell me how to fix it?

 ![1](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/b/b/bb46154dc62c9343cb63eca26a6402173197db0e.png)  
 ![2](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/6/e/6e24565d72a6c13513ebcd4e921735bc296721ee.png)

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### Author: ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [August 28, 2021, 3:24am UTC](https://discourse.slicer.org/t/mapping-and-patching-result-have-inanition/18988/2 "2021-08-28T03:24:53Z")

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You may need to smooth and resample the centerline.

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### Author: ![junqiangchen](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/junqiangchen/32/11541_2.png) [@junqiangchen](https://discourse.slicer.org/u/junqiangchen)
#### Post date: [August 31, 2021, 1:17am UTC](https://discourse.slicer.org/t/mapping-and-patching-result-have-inanition/18988/3 "2021-08-31T01:17:05Z")

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thank you lassoan,i will try