Opened 4 years ago

Closed 4 years ago

#4789 closed defect (fixed)

AsTopoJSON(TopoGeometry) slow with polygons with many holes

Reported by: strk Owned by: strk
Priority: medium Milestone: PostGIS 2.4.10
Component: topology Version: 2.4.x
Keywords: Cc:

Description

TopoGeometry representing polygons with many holes are very slow at rendering as TopoJSON. See ​https://github.com/NibioOpenSource/pgtopo_update_sql/issues/13

Change History (3)

comment:2 by Sandro Santilli <strk@…>, 4 years ago

In 52a62103/git:

Use a temporary table to store edges bounding areal TopoGeometrys

Greatly speeds up rendering polygons with many holes.

References #4789 in master branch (3.1.0dev)

comment:3 by pramsey, 4 years ago

Resolution: → fixed
Status: assigned → closed
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