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Results tagged with spatial
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user 166400
Storing, querying, and indexing spatial data (including geometric and geographic representations).
1
vote
How to group-by to get MultiPoint/GeometryCollection in MySQL?
As Evan Carroll said in a comment: Unlike PostGIS, spatial aggregates are not available for MySQL. …
- 33
1
vote
1
answer
1k
views
How to create Polygon from Point datatype in MySQL?
I have a table like this:
CREATE TABLE `aois` (
`aois_id` int(11) NOT NULL DEFAULT '0',
`WS_A` point DEFAULT NULL,
`WS_B` point DEFAULT NULL,
`WS_C` point DEFAULT NULL,
`WS_D` point DEFAULT …
- 33
1
vote
2
answers
1k
views
How to group-by to get MultiPoint/GeometryCollection in MySQL?
I have a table x like this:
Columns:
SubjectID int(11)
Timestamp bigint(20)
fix_geom point
When i try to group my fix_geom column to a MultiPoint (or GeometryCollection) by SubjectID, like:
…
- 33