List of available polygons for id = 13104478

params ▾	timestamp	NPoints	Length	WKT	GeoJSON	poly	Image
0	2023-03-19 08:51:12.958123	204	0.062108935571063	WKT	GeoJSON	poly	image
0.001863-0.000466-0.000466	2023-03-19 08:51:13.776136	55	0.066050465857553	WKT	GeoJSON	poly	image
0.040000-0.010000-0.010000	2024-04-16 19:27:56.751116	9	0.145602197785611	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)))