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NCPP / ocgis

OpenClimateGIS is a set of geoprocessing and calculation tools for CF-compliant climate datasets.
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Remove unnecessary hole/interiors from complex NHD catchment polygons #514

Open bekozi opened 4 years ago

bekozi commented 4 years ago

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.

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