User Richard

32 votes

4 answers

43k views

Filter by bounding box in GeoPandas

asked Jan 2, 2018 at 17:46

15 votes

3 answers

7k views

Calculate total area of polygons in shapefile using GDAL?

asked Mar 21, 2017 at 10:48

14 votes

2 answers

6k views

Remove unneeded columns from geographic data file?

asked Mar 17, 2014 at 23:23

13 votes

1 answer

10k views

How to deal with "ERROR: GEOSUnaryUnion: TopologyException: Self-intersection"?

asked Apr 20, 2016 at 9:40

13 votes

1 answer

8k views

Check whether table has overlapping polygons, in PostGIS?

asked Jun 11, 2017 at 20:51

12 votes

2 answers

9k views

Checking geometry type of vector layer in QGIS?

asked Apr 19, 2017 at 10:44

11 votes

1 answer

4k views

ST_Union fails with TopologyException despite valid polygons and using ST_SnapToGrid

asked Feb 22, 2017 at 0:10

11 votes

2 answers

8k views

Turning a single MultiPolygon into many small polygons?

asked Jan 8, 2019 at 16:20

10 votes

4 answers

6k views

ogr2ogr sql: what is the name of the geometry field?

asked Sep 22, 2018 at 12:39

10 votes

1 answer

4k views

Run SQL queries against shapefile in QGIS?

asked Jan 23, 2018 at 22:07

10 votes

2 answers

16k views

GeoDjango: Find all points within radius?

asked Apr 5, 2015 at 23:49

8 votes

3 answers

3k views

ogr2ogr import fails with "ERROR 1: GeoJSON object too complex"

asked Oct 27, 2018 at 13:07

7 votes

4 answers

4k views

Getting correct WKT result to 4 decimal places using PostGIS

asked Mar 14, 2017 at 20:59

7 votes

4 answers

13k views

ST_MAKEVALID: ERROR: Geometry type (MultiPolygon) does not match column type (Polygon)

asked Apr 24, 2016 at 12:11

7 votes

1 answer

763 views

How to set up GeoDjango with PostGIS 2.0?

asked Nov 30, 2012 at 23:31

6 votes

0 answers

2k views

Import CSV with WKB field to QGIS?

asked Feb 11, 2017 at 10:55

6 votes

0 answers

449 views

Create network graph from contiguous polygons in KML, or PostGIS?

asked Feb 10, 2016 at 17:11

6 votes

1 answer

10k views

What does the ST_Union of the geometry column of two tables produce?

asked Apr 21, 2017 at 15:04

6 votes

1 answer

1k views

Transforming a shapefile from EPSG:3338 to EPSG:4326?

asked May 22, 2017 at 9:55

5 votes

2 answers

1k views

QGIS install on OSX with homebrew: "You have other linked versions!"

asked Apr 18, 2019 at 16:19

5 votes

2 answers

1k views

Can a shapefile have polygons that overlap each other?

asked Apr 25, 2017 at 12:24

5 votes

3 answers

3k views

Convert ST_Union polygon to PNG file in PostGIS?

asked Feb 17, 2017 at 10:43

5 votes

1 answer

1k views

ogr2ogr: Can I add a field when I import to PostGIS?

asked Nov 30, 2014 at 23:29

5 votes

2 answers

5k views

How to export thousands of features from PostGIS to a single GeoJSON file?

asked Dec 4, 2014 at 9:06

5 votes

4 answers

24k views

UK coastline shapefile?

asked Jan 2, 2015 at 0:24

5 votes

2 answers

3k views

ogr2ogr: don't import properties on each feature?

asked Jan 20, 2015 at 12:16

5 votes

1 answer

449 views

Reprojecting a CSV file using ogr2ogr?

asked Jan 20, 2015 at 16:12

4 votes

1 answer

2k views

Which projections emphasise the Northern Hemisphere, other than Mercator?

asked Feb 3, 2015 at 12:50

4 votes

3 answers

2k views

Which equal-area projection to use for UK?

asked Dec 11, 2014 at 0:24

4 votes

1 answer

1k views

Update GeoDjango models from KML?

asked Feb 8, 2016 at 17:47

Stack Exchange Network

70 Questions

Filter by bounding box in GeoPandas

Calculate total area of polygons in shapefile using GDAL?

Remove unneeded columns from geographic data file?

How to deal with "ERROR: GEOSUnaryUnion: TopologyException: Self-intersection"?

Check whether table has overlapping polygons, in PostGIS?

Checking geometry type of vector layer in QGIS?

ST_Union fails with TopologyException despite valid polygons and using ST_SnapToGrid

Turning a single MultiPolygon into many small polygons?

ogr2ogr sql: what is the name of the geometry field?

Run SQL queries against shapefile in QGIS?

GeoDjango: Find all points within radius?

ogr2ogr import fails with "ERROR 1: GeoJSON object too complex"

Getting correct WKT result to 4 decimal places using PostGIS

ST_MAKEVALID: ERROR: Geometry type (MultiPolygon) does not match column type (Polygon)

How to set up GeoDjango with PostGIS 2.0?

Import CSV with WKB field to QGIS?

Create network graph from contiguous polygons in KML, or PostGIS?

What does the ST_Union of the geometry column of two tables produce?

Transforming a shapefile from EPSG:3338 to EPSG:4326?

QGIS install on OSX with homebrew: "You have other linked versions!"

Can a shapefile have polygons that overlap each other?

Convert ST_Union polygon to PNG file in PostGIS?

ogr2ogr: Can I add a field when I import to PostGIS?

How to export thousands of features from PostGIS to a single GeoJSON file?

UK coastline shapefile?

ogr2ogr: don't import properties on each feature?

Reprojecting a CSV file using ogr2ogr?

Which projections emphasise the Northern Hemisphere, other than Mercator?

Which equal-area projection to use for UK?

Update GeoDjango models from KML?