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Adam Matan's user avatar
Adam Matan's user avatar
Adam Matan's user avatar
Adam Matan
  • Member for 13 years, 10 months
  • Last seen more than 1 year ago
60 votes

Explaining what GIS is to 11 year old kid?

35 votes
Accepted

Seeking full list of ISO ALPHA-2 and ISO ALPHA-3 country codes?

25 votes
Accepted

Insert a Point into PostGIS using Python

22 votes
Accepted

Difference between Vincenty and great-circle distance calculations?

22 votes
Accepted

How can I calculate the bearing between two points in PostGIS?

20 votes
Accepted

What are the implications of invalid geometries

15 votes
Accepted

ArcGIS Server vs Open Source software

13 votes

Separate polygons based on intersection using PostGIS

10 votes

Representing network flows?

9 votes

GIS in medical geography

9 votes

Cannot see OpenLayers under Plugin in QGIS?

7 votes

Switching career from web application to GIS developer?

6 votes

What is a "mashup"?

5 votes

Queries returning very big datasets in PostGIS

5 votes
Accepted

How to conveniently generate a Google Maps link from a PostGIS geometry?

5 votes

Organization in a GIS Shop

4 votes

Calculating Length of Linestrings in WGS84 in Miles

4 votes

Web GIS Development Skill Sets

3 votes

Are there any open source mapping APIs/toolkits for drawing axes,labels,graticules etc?

3 votes

What Professional / Industry Associations are available that are related to GIS?

3 votes
Accepted

GIS scholarship sources

3 votes

Invalid geometry zoo

3 votes

Invalid geometry zoo

2 votes

List of US government free GIS data online

2 votes
Accepted

Python: Ray-trace a WGS84 point with heading and distance

2 votes

Web GIS Development Skill Sets

1 vote

Calculating Length of Linestrings in WGS84 in Miles

1 vote

Creating geocoding/gazetteer web service?

1 vote

List of US government free GIS data online

1 vote

Is there a source for free CSV files with geo data and other desired fields?