Map Legend
Maps & Cartography

What Is a Map Legend?

A map legend is used to define features in a map. Point, line and polygon symbols in a legend key is the driving-force to understand what is found in a map.

Geotagging
GIS Analysis

How Does Geotagging Work?

When you take a photo with your GPS on, it stores its physical location where the photo was taken. Geotagging assigns coordinates to photos.