vector data

GIS Learning

Explorer for ArcGIS released by Esri for Mac OS.

What is GIS?

June 21, 2018By Caitlin DempseyGIS Learning

GIS is a technological field that incorporates geographical features with tabular data in order to map, analyze, and assess real-world problems. The key word to this technology is Geography – this means that some portion of the data is spatial.

Types of GIS Data Explored: Vector and Raster

May 1, 2017By Caitlin DempseyGIS Data

This article discussions different types of GIS data in both vector and raster formats.

Seeing the World with Data: 3D LiDAR with MapD and Uber’s deck.gl

Dipti Kothari, an intern with MapD, has developed an open source project that uses LiDAR to create a 3D visualization of tree coverage around buildings and the impact of rising sea levels on buildings on Jekyll Island, GA.

PaleoDEMs: Map the Earth’s Changing Topography Over the last 540 Million Years

Users can download paleogeographic datasets reconstructing paleotopography and paleobathymetry dating back to 540 millions years ago

Elements of a Map

Maps are the primary tools by which spatial relationships are visualized. Maps therefore become important documents. There are several key elements that should be included each time a map is created in order to aid the viewer in understanding the communications of that map and to document the source of […]

Learn GIS for Free

There are a few online options to learn GIS for free. Take advantage of resources that provide you access to free courses from some of the world’s best universities and institutions.