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dr_jts's user avatar
dr_jts's user avatar
dr_jts
  • Member for 11 years, 3 months
  • Last seen this week
17 votes
Accepted

Deleting small holes in polygons specifying the size with PostGIS

12 votes
Accepted

How to create a classic sand snail using PostgreSQL/PostGIS?

8 votes
Accepted

How to check if list of polygons intersects with each other?

8 votes
Accepted

Getting the 'composite' of two polygon layers

8 votes

Break line into 100m segments

8 votes

Finding and merging lines that touch in PostGIS?

7 votes

PostGIS: Single side ST_Buffer of linestring produces strange output

7 votes

PostGIS: Find outers and inners inside MultiPolygon geometries

7 votes

Simplify multipolygon removing small gaps in PostGIS

7 votes
Accepted

ST_Difference(A, B) returning A when A completely contained in B

7 votes
Accepted

undocumented PostGIS ST_Distance function taking text as parameters

7 votes
Accepted

Get convex hull of polygons if they are within a certain distance of each other otherwise leave their geometries alone

6 votes

Cryptic PostGIS/GEOS topology error

6 votes
Accepted

What should I do to avoid precision problems with ST_Transform in PostGIS?

6 votes
Accepted

Is the geometry type of PostGIS represented as WKT or just the Point type?

6 votes
Accepted

PostGIS generic vs specific geometry types

6 votes

PostGIS Spatial Relationships query performance

6 votes

How to select fields returned by GeoServer WMS GetFeatureInfo request?

6 votes
Accepted

ST_IsValid and duplicate vertex

5 votes

Looping through table to get single intersection from N>2 geometries using PostGIS?

5 votes
Accepted

Creating precise shapes using list of coordinates?

5 votes
Accepted

Get dimension of rectangular polygon PostGIS

5 votes

Getting ST_IsSimple reason and detail similar to ST_IsValidDetail in PostGIS?

5 votes
Accepted

ST_ Intersects vs ST_DWithin behavior on polygons using PostGIS

5 votes

Is there any way to differentiate and select polygons according to their shape on SpatiaLite/PostGIS?

5 votes

Undesirable behavior of PostGIS function st_isvalid

5 votes
Accepted

Clusters disappearing when using minpoints > 2 in ST_ClusterDBSCAN

5 votes

PostGIS: problem with point count result when they are over the polygon edge

5 votes
Accepted

Constructing spatial queries that include data from non-spatial tables in PostGIS

5 votes

How is polygon intersection implemented in JTS/Shapely?

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