Center for Geographic Analysis Harvard University
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Web Mapping

ArcGIS Online

ArcGIS Online allows any Harvard affiliate to:


CARTO (formerly CartoDB) is an online platform that offers easy-yet-powerful entry into the world of location-based analytics, allowing users to create rich, interactive maps, perform advanced analysis, and develop location-bas

CGA GitHub Page

The CGA developes a fair amount of open source code, most of which is published on GitHub here.

CGA GitHub Page

The CGA does a lot of open source software developement and most of the code is up on GitHub here.

GSaaS Platform Survey Support Materials

This page supports provide supporting materials for the paper:  "Evaluating the Current State of Geospatial Software as a Service Platforms: A Comparison Study", written by:

WorldMap Platform

The WorldMap platform ( is being developed by the Center for Geographic Analysis (CGA) at Harvard to lower barriers for scholars who wish to explore, visualize, edit, collaborate with, and publish geospatial information. 

Google Earth Engine

Google Earth Engine brings together the world's satellite imagery — trillions of scientific measurements dating back almost 40 years — and makes it available online with tools for scientists, independent researchers, and nations to mine this massive warehouse of data to detect changes, map trends

Geographic Position Finder

Use the CGA's Geographic Position Finder to get latitude and longitude coordinates for your work. You can click, drag, and drop a marker to view its latitude & longitude coordinates, good to six decimal places.


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