Category: analyses

Tracking Sydney Ferries in real time with OpenSource GIS tools

The trend in IT is currently dominated by terms like "Big Data", "Real-Time", "Fast Data", "Smart Data", ... GIS is no exception as most of the data out there can be…
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The Simple and Free PostGIS VS the Complex and Expensive Oracle Spatial

Spatial Database battles exists since … the existence of spatial databases! Two most prominent spatial database in the GIS world are Oracle Spatial and PostgreSQL/PostGIS, both having advantages and disadvantages.…
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Agriculture and Sentinel-2: An unsupervised temporal classification

Remote Sensing and agriculture always have been best friends. With the arrival of Sentinel-2 data, the friendship got even more stronger! In this article, we're trying to figure out how we could use Sentinel-2…
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Earthquake in Amatrice, Italy: Before/After with Sentinel-2

Sentinel-2 imageries can be used in a huge variety of applications. I was trying to figure out how these free data could be used in the monitoring of Earthquake damage. The…
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Change detection using Sentinel-2 and PostGIS

With its very short revisiting period, Sentinel-2 satellite data make it possible to perform change detection operations of every point on Earth every 5 days at least. In this article, we're going to…
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A Hooded Vulture Wildlife study using Movebank, PostGIS, QGIS and KML

Movebank.org is fabulous website that centralizes GPS data of tracked animals. Hosted by the Max Planck Institute for Ornithology, the platform data are accessible to researchers from all over the world to study…
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Wildland Fire study with Landsat 7 and PostGIS

Wildland fires commonly occur during the hot and dry seasons. More tempered climates can however also be affected. We are studying the extent of the last major wildland fire that occur the 25…
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Crime Data analyses (Tulsa, OK)

Open Crime data are very powerful for predictive crime analyses. Most Police units make use of historical data and GIS to analyze crime patterns and trends. The conclusion drawn from these analyses…
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