Geographic Information Systems & Cartography

NACIS is comprised of specialists from private, academic, and government organizations along with people whose common interest lies in facilitating communication in the map information community.

Diagnostic tool for evaluating the robustness of individual color schemes tool for your map symbolization.

Custom color schemes built on top of well-known standards for color use on maps

Convert HEX values into RGB for use in ArcMap

Choose from a single hue scale, divergent hue scale, & a palette generator

This historical map collection has over 54,000 maps and images online with a focus on rare 18th and 19th century North American and South American maps

Highlighting the best maps of London.

The University of Chicago Map Collection is one of the largest university map libraries in North America. Its 475,000 maps, 10,000 air photos, 2000 books, and hundreds of gigabytes of spatial data constitute a rich source of information for scholars and other users. The collection has particularly strong holdings of: (1) topographic maps; (2) urban maps; and (3) thematic maps.

ArcGIS Online is a web-based mapping and analysis tool that enables users to visualize, edit, and share geographic information. It offers a platform for creating interactive maps and applications using a variety of data layers and analysis tools.

Create vector data online using a simple point-and-click interface. Data can be exported to a variety of GIS formats for use on the web or in GIS software.

Google Earth is a geobrowser that accesses satellite and aerial imagery, topography, ocean bathymetry, and other geographic data over the internet to represent the Earth as a three-dimensional globe. Create and export vector data with a point-and-click interface for use in other mapping software.