List of available polygons for id = 2323309

params ▾	timestamp	NPoints	Length	WKT	GeoJSON	poly	Image
0	2025-01-08 07:50:23.966319	39464	87.5642015734515	WKT	GeoJSON	poly	image
0.000000-0.001000-0.001000	2025-04-22 06:43:22.202743	1787	87.5648764117212	WKT	GeoJSON	poly	image
0.001000-0.000100-0.000100	2025-01-22 18:53:18.894342	5656	87.5662198705642	WKT	GeoJSON	poly	image
0.002000-0.001000-0.001000	2025-05-02 00:25:20.742566	1631	87.5689796446207	WKT	GeoJSON	poly	image
0.087564-0.021891-0.021891	2025-01-08 07:50:26.786729	154	87.7479019853241	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)))