Author: GISGeography

We help you learn Geographic Information Systems and remote sensing

How the Public Land Survey System (PLSS) Works

Learn how the Public Land Survey System (PLSS) works, which divides land in the United States into townships, ranges, and sections.

The Dominion Land Survey (DLS) and the Public Land Survey System (PLSS) divide the land to help distribute land and assign land titles.

Ever found yourself lost in another country? Maps with street view change that. They give you a real-life glimpse of your destination.

Spatial patterns show us how things are connected in the world. With GIS technology, we can visualize and analyze spatial patterns.

As-built drawings are like a diary of a building. They show every detail during construction until completion. They’re the final snapshot.

LiDAR vs photogrammetry – What’s the difference? LiDAR uses lasers to measure distances. Photogrammetry uses photos from different angles.

We used to draw maps by hand on paper. Now, we use digital mapping to make maps. Some call this process “computer cartography”.

So you’re looking to build a map dashboard? Well, you’ve come to the right place. Today, we’ll count down our favorite map dashboards.

A Triangular Irregular Network (TIN) is a way to represent a 3D surface. They can show complex surfaces such as slopes and elevation.

We compare the commercial satellite companies – BlackSky, Planet, and Maxar. Each company has carved out its niche in satellite technology.