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Discrete Global Grid Systems – A new OGC standard emerges.
The beginning of 2016 was accompanied with a sonorous press release from the Open Geospatial Consortium (OGC) entitled: “OGC® seeks…
Map Tiles and Cached Map Services
The tiling of large maps is an old practice. Large paper maps have always been divided into a series…
GIS: Adventures in Historical Mapping
This article focuses on the process of creating a very out-of-date map in GIS. Lots has gone on since I…
Elevation Web Services: Limitations and Prospects
Elevation Web Services: Limitations and Prospects Elevation data is necessary for a wide range of geospatial applications such as creating…
Web Mercator: the de facto standard, the controversy, and the opportunity
Four hundred and fifty years ago, the Flemish geographer and cartographer Gerardus Mercator presented the most popular map projection ever.…
Island Geography: Haida Gwaii
Canada, with its endless coastline, has thousands of islands. Besides the physical islands with tangible, defined boundaries, there are also…
Gettysburg: What Could Lee See?
In an age devoid of modern communications methods and digital maps, military generals often made tactical decisions based on what…
Additional Input: GoGeomatics Geo-Conundrum about Geomatics Associations
I was recently asked if I believe a Canadian Geomatics trade association is in some form beneficial to the geomatics…
The Passing of a Canadian Geospatial Legend -The Father of GIS
I was saddened to hear the news that Roger Tomlinson, the father of GIS, had passed away on February 9,…
VGI: the Wild West of Data and GIS
In recent years, high–resolution spaceborne imagery (HRSI), up to 50cm spatial resolution, has become readily available for no cost using…
Geospatial or Geomatics: The Headaches of Terminology in Canada
Great debates about the terms geomatics, geospatial, geoinformation and geoscience have occurred for decades. Additional terms like geoanalysis, geolocation, geocomputation…
ACCURATE SPATIAL DATA: GIS AND TRAVEL ACCOUNTS
Data acquisition is without a doubt one of the most important processes in the implementation of any GIS. As GIS…
