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27 views

Is there any P2P GIS or SDI?

Have you heard/read about a distributed SDI (Spatial Data Infrastructure) or GIS ? I'm thinking on a system that uses something similar to the torrent protocol for managing spatial data and also be ...
2
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80 views

Free vector data on paved roads in Africa

I have recently come across vector road data from the Africa Infrastructure Knowledge Program (http://www.infrastructureafrica.org/documents/list/roads). I found these data helpful for three reasons: ...
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78 views

What reliable sources (paid or free) exist for fossil fuel infrastructure data?

I am trying to find GIS data for various types of petroleum and natural gas infrastructure (pipelines, refineries, gathering lines, pump stations, etc). I've found quite a few sources, mostly for-...