Geographic Information Systems
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BradHards
  • Member for 11 years, 5 months
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384 Answers

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26 votes
Accepted

The next big thing in standardized spatial data exchange format?

21 votes
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Where can I find the WKT standard or reference?

19 votes
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Stripping out Z values in PostGIS

13 votes
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Problem 'unable to open datasource" with ogr2ogr to reproject shapefile

13 votes
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How to zoom to specific lat/long point in QGIS

13 votes
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(When) should I use a GIS-enabled database?

12 votes
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Where do SRID numbers come from?

12 votes
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Wrong lon and lat

11 votes

Free tile provider for Leaflet

10 votes
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How do I query OpenStreetMap for a list of US counties?

10 votes

Understanding difference between GeoServer and OpenLayers?

9 votes

What is Change Detection and performing such analysis with open source tools?

9 votes
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Is there a free dataset of historical geocoordinates of ancient cities and places?

8 votes

Why does Pyproj fail converting lon lat alt to ECEF?

8 votes
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Can I say WGS84 is more accurate than NAD83 in terms of their reference ellipsoids?

8 votes

Which of these is the proper convention?

8 votes
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Identifying the cause of NOT ST_IsValid()

8 votes

Using makeline() function for more than 2 points in spatialite?

8 votes

Creating Polygon Shapefile from list of X,Y coordinates using Python?

8 votes
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Distance between Paris and San Francisco with PostGis (out of range coordinates?)

8 votes
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How to find the extent of (many) EPSG CRSes?

7 votes
Accepted

ogr2ogr won't read directory of GeoJSON into GPKG

7 votes

"ImportError: No module named gdalsrsinfo" What's the issue?

7 votes

Are there Python packages for Landsat 8 processing?

7 votes
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How to transform a PostGIS bounding box?

7 votes
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Where is the Spatial reference ID stored in SpatiaLite?

6 votes
Accepted

What specifically is an 'attribute' and how does it work with the related chart?

6 votes
Accepted

In what situations would SpatiaLite be selected over PostGIS, and vice versa?

6 votes
Accepted

How to generate TFW files for a list of images?

6 votes

Which function for creating a POINT in PostGIS?

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