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how to calculate area of triangles formed by delaunay triangulation

After applying delaunay triangulation 160 triangles were formed. How can I calculate the area of each triangle using Matlab?
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I have to fetch the subdivision categories using location coordinates

I'm looking for an API where I can get second level subdivision(ISO 3166-2) if I pass longitude and latitude. Second level subdivision code reference: http://en.wikipedia.org/wiki/ISO_3166-2:GB Eg. ...
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Moving a Google Map Marker on a Mac

I have exact lat & long coordinates that I will enter and hit return in Google maps. When I do this it displays this point with a green marker on the map but I can not move this marker. I want to ...
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Issues when importing line shapefiles into NetworkX

Note that although I am using Python Console from within QGIS for this, I don't think it's a QGIS issue. Below is the difference of how NetworkX is dealing with 2 line layers created by the same ...