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Remove unnecessary hole/interiors from complex NHD catchment polygons #514

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bekozi opened this issue Apr 17, 2020 · 0 comments
Open

Remove unnecessary hole/interiors from complex NHD catchment polygons #514

bekozi opened this issue Apr 17, 2020 · 0 comments
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@bekozi
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bekozi commented Apr 17, 2020

Remove the raster artifacts that create virtual holes/interiors:

image

Simplest solution is to identify self-intersections and remove one of the coordinate sets. There may be other combinations lurking in NHD polygons.

Ping @nmizukami
@bekozi bekozi changed the title Remove unnecessary hole/interiors for complex NHD catchment polygons Remove unnecessary hole/interiors from complex NHD catchment polygons Apr 17, 2020
bekozi added a commit that referenced this issue Aug 3, 2020
@bekozi
ENH: Improved handling of self-intersecting polygons (#514)
3ddedde 
- Added ESMF mesh conversion/validation script
- Minor documentation improvements
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