September 2015 - GIS Geography

Vector vs Raster: What’s the Difference Between GIS Spatial Data Types?

The main spatial data types are vectors and rasters. Rasters have grid cells while vectors are points , lines and polygons consisting of vertices & paths.

What is the Difference Between Geomatics and GIS?

In the world of geography, two disciplines are often mistaken as the same one. But Geomatics and Geographic Information Systems are different.

Pleiades Satellite Products: © CNES 2011-15, Distribution Airbus DS. Courtesy of BlackBridge

Pleiades Satellite Constellation: Spot the Detail

The agile Pleiades satellite constellation is comprised of Pleiades 1A and 1B. They offer dynamic image acquisition at 50cm panchromatic & 2m multispectral.