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mapping history

Mapping History Workshop Oct. 30 and 31

August 21, 2019
Mapping is an effective tool for reconstructing the past, which reveals the spatial relationships that stimulated cultural, social and political change over time. In this workshop for Harvard affiliates, we will introduce digital tools and workflows for visualizing and interpreting historical data. We will cover the basics of QGIS, web mapping with Leaflet, georeferencing historical maps, incorporating time-based geographic data, creating multilayer historical web maps, and more. Mapping History will be led by... Read more about Mapping History Workshop Oct. 30 and 31

ArcGIS Security Update

January 25, 2019

As part of improving ArcGIS Online security, Esri requires TLS 1.2 connections for ArcGIS Online services. If you use ArcGIS Desktop software to connect to ArcGIS Online for base map or other services, please check your desktop software version and take appropriate action before April 16th 2019 in order to continue using ArcGIS Online services.

  • ArcGIS Pro 2.0 or higher – no action needed
  • ArcGIS Pro older versions – please upgrade to ArcGIS Pro 2.x.
  • ArcGIS ArcMap 10.7 (to be released later in...
Read more about ArcGIS Security Update