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Technical Sessions

Below are the proceedings for technical sessions given at the 2019 AGIC Education & Training Symposium.

A Technical Session is a 90 minute session (no computer needed) taught by a subject matter expert that is specifically designed to teach you new skills and/or knowledge about the subject.

Presentations are listed in alphabetical order by title.


How many maps can you make using a single dataset of population-based statistical data? The answer here is ‘over 30, but with scope for many more’. In this workshop I'll explore the world of thematic mapping using ArcGIS Pro. I’ll show you how to use the out-of-the-box ArcGIS Pro mapping renderers effectively and how to make sensible choices so your maps make sense.  I'll also provide hints, tips, and methods for creating less common, but visually stunning, thematic maps. I’ll discuss how data can be processed and presented in different, interesting and compelling ways to suit different purposes. There’s rarely a right or wrong way to map statistical data, just shades of the truth that result from your design decisions. Your map can be entirely objective, or you may wish to be persuasive in your message. It's all possible! This session will help you go beyond the defaults and encourage you to think about how to make and shape the message in your thematic maps.


This presentation was a live demo. To view a gallery of the maps that were shown, plus tips on the map type, opportunities, and constraint sin the information panel for each map, visit:


What makes geospatial data “spatial”?  Geodesy. Geodesy provides the foundation for defining datums, which are the basis for projections, and both can yield coordinates. But what are these things, where do they come from, and how are they related to one another? And how does the geoid and gravity fit into all of this? Such questions often go unanswered as we busily create, manipulate, analyze, and display geospatial data. Yet one of the most fundamental functions of a GIS is the ability to correctly overlay spatial datasets. That function relies on an understanding of such questions, especially as the resolutions, precision, and (hopefully) accuracy of spatial data increases. This presentation seeks to provide an explanation of this geodetic menagerie within an unrealistically short time. Particular emphasis is on the modernization of the National Spatial Reference System in 2022, which leads to the unsettling idea that coordinates change with time. Safety is not guaranteed.

File Size:
43.06 MB

This talk will provide practical advice about designing obliquely-viewed 3D terrain maps for use on static computer displays or in print. The emphasis is on small-scale views of mountainous landscapes without buildings and other cultural minutiae. I will start with cautionary advice on whether to attempt 3D terrain mapping, which requires considerably more time and expense than planimetric mapping of the same area. The availability of good data, terrain that is suitable for 3D depiction, and the map purpose are all factors in this decision.  Next, I will discuss scene setup. Once a digital elevation model is loaded in your 3D software, adjusting the virtual camera for direction of view, pitch, and lens focal length are key considerations. I will wrap up with a discussion of graphic embellishments to 3D terrain maps, all of which are performed in Adobe Photoshop. Topics include background haze and foreground shadows, sun glints on water surfaces, clouds, and horizon curvature.


Is your GIS data ready for NG9-1-1? Even the best GIS data out there will need some work for the coming upgrade to geospatial routing. Come find out what considerations you should be undertaking in order prepare your GIS data not only for NG9-1-1 but for use in other application inside the call center such as CAD, situational awareness mapping applications, and other operations mapping applications.

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