Tag Archives: Geography

Ordnance Survey OpenData In QGIS 3: Part 3

I finish my last post about using Ordnance Survey OpenData in QGIS having produced this map of the area around Blaven, on the Isle of Skye: It’s tinted for height, shaded and marked up with contours to emphasize landforms, and has features such as surface water, coastline, roads and buildings added. Now it needs some … Continue reading Ordnance Survey OpenData In QGIS 3: Part 3

Ordnance Survey OpenData In QGIS 3: Part 1

Recently, I’ve been preparing my UK walking maps using the Ordnance Survey’s free OpenData products, which I’ve rendered into maps using a free, open-source Geographical Information System, QGIS. I thought I’d write a little bit about that, now that I’ve got my maps looking more or less as I’d like them. For this first part, … Continue reading Ordnance Survey OpenData In QGIS 3: Part 1

Territories That Crossed The Date Line: Part 2 – 1900 To Present

  The Date or Calendar Line is a modification of the line of the 180th meridian, and is drawn so as to include islands of any one group, etc, on the same side of the line. When crossing this line on a westerly (true) course, the date must be advance one day; when crossing it … Continue reading Territories That Crossed The Date Line: Part 2 – 1900 To Present