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orbisgis / h2gis

A spatial extension of the H2 database.
http://www.h2gis.org
GNU Lesser General Public License v3.0
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Rebase ST_Union #1330

Closed ebocher closed 1 year ago

ebocher commented 1 year ago

Do not use UnionCoverage with ST_Union because the input geometries must be correctly noded. See the figures.

Input geometry

input_data_union

UnionCoverage output

coverage_union

Robust union overlay output input_data_union_ok