Geosynchronous vs Geostationary Orbits
While geosynchronous satellites can have any inclination, the key difference is that satellites in geostationary orbit lie on the same plane as the equator.
Author: GISGeography
We help you learn Geographic Information Systems and remote sensing
Death, Taxes and the Esri ArcGIS 999999 Error: How to Fix It
Some things in life are certain. In ArcGIS, it’s the Esri 999999 error. Here are techniques to troubleshoot this ArcMap error.
10 Best Free Land Cover/Land Use Data
Over the span of your life, how much has the Earth changed? Quite a bit, but you probably just can’t put a number to it. You actually CAN with land cover.
Choosing Between Personal and File Geodatabases
If you’re a bit confused whether or not to use a file geodatabase (*.gdb) or a personal geodatabase (*.mdb)… Here’s everything you need to know.
Why Are Rhumb Lines (Loxodromes) a Constant Track Direction?
Rhumb lines (or loxodrome) have constant bearings and cross all meridians at the same angle. They are not the shortest distance between 2 points on a sphere
What is Remote Sensing? The Definitive Guide
Remote sensing is the science of obtaining information without physically being there. The 3 most common methods of capture is airplane, satellite & drones.
Semi-Variogram: Nugget, Range and Sill
In the case of a semi-variogram, closer things have less variability and are similar. While things farther away are less predictable and are less related.
GeoDa Software – Data Exploration and Statistics at its Finest
While not necessarily your prototype GIS package, GeoDa carries exciting analytical & visualization tools in industries like economics, health & real estate
How to Create Flow Maps with Directional Lines
Cartographers use lines to show the movement of phenomenon in flow maps. To show the magnitude, they change the width of flow lines.
How To: Rasterization and Vectorization Conversion
Rasterization converts vectors into rasters. While vectorization transforms rasters in vectors. We explain how to go from one data model to the other.