GRASS GIS – Geographic Resources Analysis Support System
GRASS GIS (Geographic Resources Analysis Support System) is one of the oldest public domain GIS software in existence – over 30 years old.
Author: GISGeography
We help you learn Geographic Information Systems and remote sensing
Supervised and Unsupervised Classification in Remote Sensing
Supervised classification creates training areas, signature file and classifies. Unsupervised classification generate clusters and assigns classes.
Commercial GIS Software: List of Proprietary Mapping Software
Businesses around the world are embracing commercial GIS software because sometimes it just makes more business sense. We list commercial mapping software.
Least Cost Path Analysis in GIS
The least cost path finds the most cost-effective path, from a start point to a destination, making it a useful tool for linear routing.
WhiteBox GAT – Geospatial Analysis Toolbox (Review)
Whitebox GAT (Geospatial Analysis Toolbox) specializes in terrain analysis. But you can do processes like LiDAR and hydrology analysis.
Azimuthal Projection: Orthographic, Stereographic and Gnomonic
The azimuthal projection plots the surface of Earth using a flat plane. For example, common azimuthal projections are gnomonic, stereographic & orthographic
Equal Area Projection Maps in Cartography
The equal area projection retains the relative size of area throughout a map. So that means at any given region, it keeps the true size and area of features.
What is an Aspect Map?
In the mountains, the terrain slopes are in all directions – east, west, north and south-facing. The compass direction that the slope faces is slope aspect.
How To Vectorize Images with ArcScan
You can take any image, and you can vectorize it with ArcScan. This means you’ll spend less time digitizing and more time doing other important things.
Inverse Distance Weighting (IDW) Interpolation
Inverse Distance Weighting (IDW) interpolation estimates unknown values with specifying search distance, closest points, power setting & barriers.