Tag: belgium

Winter solstice and Hillshade over Brussels

Yesterday, the 21st of December 2016, was the shortest day in the Northern Hemisphere. In other words, it is the day the sun is the lowest in the sky at…
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DEM for Slope calculations in Bicycle Routing: PostGIS

Everyone who went cycling in Belgium knows that the famous quote from Jacques Brel "Le plat pays qui est le mien" is far from being true! Belgium is globally a flat…
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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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Evolution of an area using Sentinel-2 and Time Series

The European Commission's Copernicus programme makes it possible to have a snapshot of Earth every 5 days in the multispectral bands. I already covered several applications of Sentinel-2 imageries: Full…
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Full Sentinel-2 cloud-free mosaic of Belgium!

The Copernicus's Sentinel-2 programme makes it possible to have a full mosaic coverage of any point in Europe with a revisit of 5 days at the Equator, provided no clouds…
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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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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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Why so many -ange places in Belgium near Luxembourg?

Belgium's petrol station! The South of Belgium is a beautiful place covered mostly with the region Ardennes - a forested landscape where Belgian used to go out at the weekends…
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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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Personal Challenge: Run a Marathon! … or 20km

Most "X things to do before you die" lists or articles talking about personal challenges contain "Run a marathon" at the top. I took this challenge just halfway (or a…
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