User michael

18 votes

2 answers

15k views

ogr2ogr merge multiple shapefiles: What is the purpose of -nln tag?

asked Jan 4, 2017 at 7:52

16 votes

4 answers

19k views

Meaning of "Elevation above surface of ellipsoid"?

asked Aug 4, 2015 at 19:23

10 votes

3 answers

11k views

Finding closest polygon to point in PostGIS

asked Aug 21, 2015 at 13:19

8 votes

2 answers

2k views

Adding vertices to polygon in PostGIS?

asked Aug 29, 2015 at 11:42

8 votes

2 answers

9k views

GNSS raw measurements on Android: Does real time/post processing Differential techniques possible?

asked Jun 2, 2018 at 15:26

6 votes

0 answers

591 views

Postgis load raster to DB running on AWS RDS with raster2pgsql

asked May 16, 2016 at 16:22

5 votes

2 answers

472 views

PostGIS or QGIS: Convert unsorted points to a single line by connecting each 2 closest points

asked Mar 2, 2017 at 12:39

4 votes

1 answer

452 views

Snap points to route and calculate relative length from start

asked Mar 5, 2017 at 7:58

4 votes

2 answers

3k views

GeoTools: Calculate length along line from start vertex up to some point on the line?

asked Mar 12, 2017 at 6:29

4 votes

1 answer

3k views

Editing geometry field using QGIS Python API

asked Feb 12, 2017 at 12:59

4 votes

2 answers

2k views

How to delete duplicate features from shapefile/OSM XML using code/command line tools only? (NOT QGIS/ArcGis)

asked Jan 4, 2017 at 14:52

4 votes

1 answer

668 views

Renaming column (attribute) name using GeoTools and shapefile:

asked Jan 8, 2017 at 10:08

4 votes

2 answers

6k views

Intersection between line & polygon in PostGIS?

asked Aug 29, 2015 at 17:15

4 votes

3 answers

3k views

Efficiency in PostGIS: objects near point- ST_Intersects around buffer Vs ST_DWithin

asked Sep 28, 2015 at 19:48

3 votes

1 answer

1k views

Link between node->building->street in OSM

asked Nov 22, 2015 at 21:23

3 votes

1 answer

435 views

Why NASA world view (EOSDIS) have black strips?

asked Sep 12, 2015 at 9:15

3 votes

1 answer

2k views

Openstreetmap Nominatim web service API - Result language

asked Aug 27, 2016 at 19:15

3 votes

1 answer

974 views

Convert location at seconds to DMS/Decimal

asked Feb 12, 2017 at 8:11

3 votes

0 answers

501 views

Reorder Shapefile of lines for consecutive ordering (Assemble Lines into LineString)

asked May 3, 2017 at 13:57

2 votes

1 answer

901 views

Java GeoTools: Creating Shapefile - FeatureCollections deprecated

asked Jun 5, 2017 at 6:44

2 votes

2 answers

1k views

Choosing CRS for metric distance calculations? [closed]

asked Mar 2, 2018 at 15:30

2 votes

0 answers

99 views

Display together layer in decimal Lat/Lon & layer in DMS

asked Jan 26, 2017 at 11:17

2 votes

1 answer

579 views

Updating Overpass Data?

asked Oct 9, 2018 at 8:43

2 votes

0 answers

152 views

Creating 3D surface model from Polylines, and then create/move Polylines on that surface [closed]

asked May 11, 2018 at 11:32

2 votes

0 answers

68 views

Finding shortest line ("arc") traversing a road

asked Jan 22, 2022 at 16:26

2 votes

1 answer

2k views

Convert between different GML like formats

asked Dec 24, 2016 at 12:32

2 votes

1 answer

1k views

Create routing graph (as software objects) from roads Shapefile using pgRouting

asked Jan 12, 2017 at 9:19

2 votes

2 answers

3k views

Why the shapefile of worldwide country boundaries is so large (>500 MB)?

asked Jul 17, 2016 at 13:38

2 votes

1 answer

116 views

NASA world view (EOSDIS) coverage delay per day - scanning footprint issue?

asked Sep 12, 2015 at 13:46

2 votes

1 answer

2k views

GeoTools JTS: Snap a Point to a polygon (equivalent to PostGis ST_ClosestPoint)

asked Sep 26, 2015 at 7:06

Stack Exchange Network

64 Questions

ogr2ogr merge multiple shapefiles: What is the purpose of -nln tag?

Meaning of "Elevation above surface of ellipsoid"?

Finding closest polygon to point in PostGIS

Adding vertices to polygon in PostGIS?

GNSS raw measurements on Android: Does real time/post processing Differential techniques possible?

Postgis load raster to DB running on AWS RDS with raster2pgsql

PostGIS or QGIS: Convert unsorted points to a single line by connecting each 2 closest points

Snap points to route and calculate relative length from start

GeoTools: Calculate length along line from start vertex up to some point on the line?

Editing geometry field using QGIS Python API

How to delete duplicate features from shapefile/OSM XML using code/command line tools only? (NOT QGIS/ArcGis)

Renaming column (attribute) name using GeoTools and shapefile:

Intersection between line & polygon in PostGIS?

Efficiency in PostGIS: objects near point- ST_Intersects around buffer Vs ST_DWithin

Link between node->building->street in OSM

Why NASA world view (EOSDIS) have black strips?

Openstreetmap Nominatim web service API - Result language

Convert location at seconds to DMS/Decimal

Reorder Shapefile of lines for consecutive ordering (Assemble Lines into LineString)

Java GeoTools: Creating Shapefile - FeatureCollections deprecated

Choosing CRS for metric distance calculations? [closed]

Display together layer in decimal Lat/Lon & layer in DMS

Updating Overpass Data?

Creating 3D surface model from Polylines, and then create/move Polylines on that surface [closed]

Finding shortest line ("arc") traversing a road

Convert between different GML like formats

Create routing graph (as software objects) from roads Shapefile using pgRouting

Why the shapefile of worldwide country boundaries is so large (>500 MB)?

NASA world view (EOSDIS) coverage delay per day - scanning footprint issue?

GeoTools JTS: Snap a Point to a polygon (equivalent to PostGis ST_ClosestPoint)