List of available polygons for id = 3864712

params ▾	timestamp	NPoints	Length	WKT	GeoJSON	poly	Image
0	2024-01-10 07:14:45.433020	1268	0.216111238657733	WKT	GeoJSON	poly	image
0.005000-0.002000-0.002000	2024-09-28 00:21:07.265959	65	0.226883229878278	WKT	GeoJSON	poly	image
0.008000-0.001000-0.006000	2025-04-07 12:47:09.333489	27	0.228002192971918	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)))