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Map Legend

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

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.

Flow Direction Feature

What Is Flow Direction in GIS?

Flow direction calculates the direction water will flow in its eight adjacent cells using slope from neighboring cells (in a raster grid cell)