User wfgeo

13 votes

1 answer

8k views

Get a window from a raster in rasterio using coordinates instead of row/column offsets, width and height

asked Sep 25, 2019 at 15:40

8 votes

1 answer

891 views

GRASS v.clean tool in QGIS gives empty output

asked Aug 4, 2020 at 10:18

7 votes

3 answers

4k views

Trying to clip raster in QGIS, "Cutline is not Valid"

asked Aug 6, 2016 at 20:52

6 votes

1 answer

2k views

Where does PostGIS store its topology tables?

asked Feb 23, 2017 at 16:06

5 votes

0 answers

426 views

Re-referencing raster in rotated coordinate system by "de-rotating" it

asked Feb 2, 2018 at 16:48

5 votes

0 answers

534 views

QGIS (Python) crashing when trying to iterate through layers in a thread

asked May 8, 2018 at 13:04

5 votes

1 answer

263 views

Converting individual line segments into line using PostGIS?

asked Aug 14, 2018 at 14:56

5 votes

0 answers

139 views

ST_IsPlanar returns true even for invalid 3D polygons

asked Feb 8, 2019 at 8:54

4 votes

2 answers

3k views

Dissolving only selected features in a layer?

asked Sep 29, 2017 at 15:44

4 votes

1 answer

145 views

Clusters disappearing when using minpoints > 2 in ST_ClusterDBSCAN

asked Mar 27, 2021 at 11:20

3 votes

1 answer

1k views

Making multiple convex hulls in a GeoDataFrame based on a categorical attribute in GeoPandas

asked Sep 9, 2020 at 14:01

3 votes

2 answers

312 views

PostGIS query used to run very quickly on Postgres 9.6 / PostGIS 2.4, now extremely slow on Postgres 12.4 / PostGIS 3.0

asked Sep 16, 2020 at 14:08

3 votes

3 answers

3k views

Convert ArcGIS Spatially Enabled Dataframe to Geopandas GeoDataFrame

asked Dec 4, 2020 at 17:42

3 votes

1 answer

879 views

GeoPandas not projecting from 4326 to a UTM zone properly?

asked Sep 9, 2019 at 12:18

3 votes

1 answer

953 views

Open a numpy array as a GDAL raster in memory

asked Apr 28, 2020 at 13:45

3 votes

0 answers

585 views

Is it possible to negatively buffer a polygon feature so that the output polygon is a certain percentage of the source polygon? [closed]

asked Oct 14, 2017 at 11:17

3 votes

0 answers

272 views

Proj4Leaflet - Defining World Eckert IV

asked Jun 16, 2017 at 18:10

3 votes

0 answers

75 views

Installing external software for QGIS Plugin

asked Sep 4, 2017 at 14:26

3 votes

3 answers

1k views

How to add a new database connection to QGIS with Python?

asked Sep 23, 2017 at 14:47

3 votes

3 answers

3k views

Split line at points where other lines touch it in PostGIS

asked Apr 12, 2017 at 19:03

3 votes

1 answer

869 views

Project a point onto a line feature at a given angle in PostGIS - ST_Project only works for geography?

asked Aug 2, 2018 at 14:59

3 votes

2 answers

6k views

Clicking through one layer onto another in Leaflet?

asked Jan 7, 2018 at 18:36

2 votes

0 answers

571 views

Trying to define a "rotated regular grid" coordinate system in QGIS [duplicate]

asked Jan 20, 2018 at 10:26

2 votes

1 answer

218 views

Labelling from non-spatial database table in QGIS

asked May 7, 2018 at 12:57

2 votes

3 answers

1k views

Cannot connect to WMTS layer from NASA GIBS API in QGIS

asked May 14, 2018 at 12:33

2 votes

3 answers

2k views

QGIS windows stuck off screen and can't get it back, locks entire application in the meantime

asked May 16, 2018 at 12:23

2 votes

1 answer

2k views

Creating a rectangle using leaflet / turf.js

asked Feb 17, 2019 at 15:38

2 votes

2 answers

6k views

Leaflet extension: "this.callInitHooks is not a function"

asked Mar 9, 2019 at 22:47

2 votes

1 answer

2k views

Extract row & column numbers of a raster at points in QGIS

asked Jun 22, 2019 at 10:21

2 votes

1 answer

158 views

Create a PostGIS topology with undefined faces?

asked Feb 24, 2017 at 16:34

Stack Exchange Network

62 Questions

Get a window from a raster in rasterio using coordinates instead of row/column offsets, width and height

GRASS v.clean tool in QGIS gives empty output

Trying to clip raster in QGIS, "Cutline is not Valid"

Where does PostGIS store its topology tables?

Re-referencing raster in rotated coordinate system by "de-rotating" it

QGIS (Python) crashing when trying to iterate through layers in a thread

Converting individual line segments into line using PostGIS?

ST_IsPlanar returns true even for invalid 3D polygons

Dissolving only selected features in a layer?

Clusters disappearing when using minpoints > 2 in ST_ClusterDBSCAN

Making multiple convex hulls in a GeoDataFrame based on a categorical attribute in GeoPandas

PostGIS query used to run very quickly on Postgres 9.6 / PostGIS 2.4, now extremely slow on Postgres 12.4 / PostGIS 3.0

Convert ArcGIS Spatially Enabled Dataframe to Geopandas GeoDataFrame

GeoPandas not projecting from 4326 to a UTM zone properly?

Open a numpy array as a GDAL raster in memory

Is it possible to negatively buffer a polygon feature so that the output polygon is a certain percentage of the source polygon? [closed]

Proj4Leaflet - Defining World Eckert IV

Installing external software for QGIS Plugin

How to add a new database connection to QGIS with Python?

Split line at points where other lines touch it in PostGIS

Project a point onto a line feature at a given angle in PostGIS - ST_Project only works for geography?

Clicking through one layer onto another in Leaflet?

Trying to define a "rotated regular grid" coordinate system in QGIS [duplicate]

Labelling from non-spatial database table in QGIS

Cannot connect to WMTS layer from NASA GIBS API in QGIS

QGIS windows stuck off screen and can't get it back, locks entire application in the meantime

Creating a rectangle using leaflet / turf.js

Leaflet extension: "this.callInitHooks is not a function"

Extract row & column numbers of a raster at points in QGIS

Create a PostGIS topology with undefined faces?