All Questions
Tagged with spatial-query intersection
4 questions
1
vote
0
answers
219
views
ArcGIS Server spatial query returns geometries only if they intersect all sub-polygon in multipart polygon
Single-part polygon as an input is a common use case of spatial query, it works fine.
However, I am encountering a case that I need to take a multipart polygon as an input to query some point features....
- 113
1
vote
1
answer
85
views
Saving borough boundaries as MultiLineStrings or MultiPolygons?
I am creating a database in PostGIS and I have a column that will save the boundaries of boroughs.
The app will later query the database, asking what points, lines or polygons are inside those ...
- 1,139
3
votes
1
answer
238
views
Addresses within radius of vector layer in QGIS
I want a CSV file of all addresses that intersect with historical stream features.
Currently, I have 3 datasets (see my blog) for this in QGIS 2.16.3 (MacOSX):
a layer (.gdb) of historical stream ...
- 525
0
votes
2
answers
497
views
Extracting data from four intersecting polygon layers in PostGIS?
I've been using the following code in PostgreSQL/PostGIS for the last year, as needed, which is about once a quarter. It works OK, it's just that it takes days to run. With over 25,000 parcels making ...
- 76