Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with polygon
Search options not deleted
user 12768
On a map, a closed shape defined by a connected sequence of x,y coordinate pairs, where the first and last coordinate pair are the same and all other pairs are unique.
2
votes
Determine which points are contained inside a given polygon
I'd change my tables to something like this:
CREATE TABLE regions (
id SERIAL PRIMARY KEY,
name text NOT NULL,
geom geometry(Polygon,4326)
)
CREATE TABLE stations (
id SERIAL PRIMARY KEY,
region_id … If the points are used about as much as the polygon, ST_DumpPoints is your friend; extracting points should be faster than making a polygon.
The second step would be to prepare the stations table. …
- 1,517