List of available polygons for id = 3678409

params ▾	timestamp	NPoints	Length	WKT	GeoJSON	poly	Image
0	2023-06-14 07:34:28.397243	3705	8.74084763563043	WKT	GeoJSON	poly	image
0.000000-0.000500-0.000500	2024-04-24 10:33:34.967570	1592	8.74091026438322	WKT	GeoJSON	poly	image
0.000000-0.003000-0.003000	2024-04-24 10:33:40.706945	661	8.74172254192502	WKT	GeoJSON	poly	image
0.000000-0.006000-0.006000	2024-04-24 10:33:46.326322	435	8.74459398714429	WKT	GeoJSON	poly	image
0.000000-0.009000-0.009000	2024-04-24 10:33:51.910407	356	8.74372580768633	WKT	GeoJSON	poly	image
0.020000-0.005000-0.005000	2023-11-11 17:34:06.657777	495	8.77997864462095	WKT	GeoJSON	poly	image

Generate a simplified polygon

X, Y, Z are parameters for the following postgis equation. The default values are chosen according to the size of the original geometry to give a slighty bigger geometry, without too many nodes.

Note that:

X > 0 will give a polygon bigger than the original geometry, and guaranteed to contain it.
X = 0 will give a polygon similar to the original geometry.
X < 0 will give a polygon smaller than the original geometry, and guaranteed to be smaller.

SQL requests:

X > 0: ST_Union(ST_MakeValid(ST_SimplifyPreserveTopology(geom, 0.00001)), ST_Buffer(ST_SimplifyPreserveTopology(ST_SnapToGrid(ST_Buffer(geom, X), Y), Z)))
X = 0: ST_Buffer(ST_SimplifyPreserveTopology(ST_SnapToGrid(ST_Buffer(geom, X), Y), Z)))
X < 0: ST_Intersection(geom, ST_Buffer(ST_SimplifyPreserveTopology(ST_SnapToGrid(ST_Buffer(geom, X), Y), Z)))