27 Differences Between ArcGIS and QGIS
It’s a head-to-head GIS software showdown with the star-studded lineup in the GIS industry- ArcGIS vs QGIS. Discover the differences between ArcGIS and QGIS
Author: GISGeography
We help you learn Geographic Information Systems and remote sensing
Survey Benchmark Monument Locations
If you’re serious about geocaching, than you’ve probably heard of benchmark hunting. A survey benchmark is a disk in the ground with a latitude & longitude.
A Complete Guide to TIGER GIS Data
TIGER GIS data has transformed the GIS environment because it was the first nationwide digital map. It stimulated projects like MapQuest, Yahoo & Google.
QGIS 2 Review (Quantum GIS)
In this QGIS 2 review, we see how this open source GIS software stacks up against others in mapping, editing, analysis, and data management.
Your GIS Workstation – What to Upgrade?
Data storage, crisp graphic cards, powerful processing and input and output devices – these harware components are essential to a GIS workstation.
MAUP – Modifiable Areal Unit Problem
The modifiable areal unit problem (MAUP) is a statistical bias that occurs when you aggregate point data such as the scale and zonal effect.
Magnetic North vs Geographic (True) North Pole
The Magnetic North Pole is a point in Northern Canada where the northern lines of attraction enter the Earth. Compass needles point to the magnetic north.
What is Map Algebra? [Raster Math]
Map algebra is a cell-by-cell combination of stacked raster grids. It uses math-like functions with arithmetic, statistics and trigonometry operators.
Landsat Program: 50+ Years Archive of Earth
Imagine being able to rewind forty years back in time. For any given place and time. Then, see how much it’s changed. You can through the Landsat Program!
Smallworld by General Electric (GE) Review
GE has a long, successful track record in utilities and network infrastructure. Because of this, Smallworld has value-added tools specifically for networks.