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 14196
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.
16
votes
Fixing non-noded intersection problem using PostGIS
I ran into this same problem (Postgres 9.1.4, PostGIS 2.1.1), and the only thing that worked for me was to wrap the geometry with a very small buffer.
SELECT ST_Intersection(
(SELECT geom FROM ta …
- 1,208
29
votes
Accepted
Calculating area in km² for Polygon in WKT using Python
It wasn't readily apparent to me how to use @sgillies answer, so here is a more verbose version:
import pyproj
import shapely
import shapely.ops as ops
from shapely.geometry.polygon import Polygon … from functools import partial
geom = Polygon([(0, 0), (0, 10), (10, 10), (10, 0), (0, 0)])
geom_area = ops.transform(
partial(
pyproj.transform,
pyproj.Proj(init='EPSG:4326'), …
- 1,208
0
votes
Intersecting a raster with a polygon using PostGIS - artefact error
Querying the data differently told me the min value of my raster was 32, and then max 300, yet ST_SummaryStats was returning -32700 for the pixel values in my target polygon. …
- 1,208