# Edge rendering issues

**URL:** <https://discourse.vtk.org/t/edge-rendering-issues/7175>\
**Category:** Web\
**Created:** [November 15, 2021, 7:35am UTC](https://discourse.vtk.org/t/edge-rendering-issues/7175 "2021-11-15T07:35:07Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![a-u](https://discourse.vtk.org/user_avatar/discourse.vtk.org/a-u/32/3325_2.png) [@a-u](https://discourse.vtk.org/u/a-u)\
**Post date:** [November 16, 2021, 7:59am UTC](https://discourse.vtk.org/t/edge-rendering-issues/7175/5 "2021-11-16T07:59:03Z")

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Indeed thanks, this did the trick for me:

```auto
mapper.setResolveCoincidentTopologyToPolygonOffset();
mapper.setResolveCoincidentTopologyPolygonOffsetParameters(0.5,100);

```

I’m not sure what exactly it means, but it seems to be working in my use case.

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