GIS Data
Types of GIS Data Explored: Vector and Raster
Caitlin Dempsey
Explore the key differences between GIS vector and raster data, and how each type supports diverse spatial analysis tasks.
X is Longitude, Y is Latitude
Caitlin Dempsey
Here are some simple strategies for remembering that X is longitude and Y is latitude in GIS.
A Guide to Understanding Map Scale in Cartography
Caitlin Dempsey
Map scale refers to the ratio between the distance on a map and the corresponding distance on the Earth's surface.
Overview of Elevation Data
Jeff Oppong
This article reviews some of terminology and types of elevation based datasets available to GIS.
GIS 101: Learn About GIS
Caitlin Dempsey
This GIS 101 page is the launch page for accessing information about GIS and geospatial technologies on GIS Lounge.