GeoTalks Express


GeoTalks Express® webinars are free hour-long sessions focusing on particular aspects of Blue Marble Geographics’s GIS and geospatial software products.  The webinars are free and open to everyone, however, registration is required.

Upcoming Webinars:

Wed Feb 9, 2022 - 10:00 EST (15:00 UTC) - Teaching the Fundamentals of GIS with Global Mapper

As we kick off the 2022 GeoTalks Express series, we turn our attention to the classroom. Over the last decade, GIS has made significant inroads into an ever-widening range of academic disciplines resulting in an increased need for tools that are accessible to non-GIS specialists. As this hour-long overview of the key areas of the software will aptly illustrate, Global Mapper is ideally suited for this task. Incorporating an extensive collection of geospatial processing, analysis, and visualization tools, this all-in-one GIS application has become the go-to GIS software for countless teachers and faculty members throughout the world. To help facilitate the deployment of Global Mapper into the classroom, this presentation will also introduce the free and inexpensive software licensing options as well as the complementary Global Mapper academic labs and teaching resources.



Wed Feb 23, 2022 - 10:00 EST (15:00 UTC) - What’s New in Global Mapper 23.1

At the time of writing, Blue Marble’s development team is busy writing lines of code that will eventually morph into new and updated functionality in Global Mapper. Coinciding with the version 23.1 release, this hour-long GeoTalks Express session will introduce the latest additions to both Global Mapper and Global Mapper Pro, with new and improved functionality throughout all aspects of the software. Not only will you have a chance to see the new tools in action, but you will have an opportunity to ask questions and learn about what’s in store in future releases.



Wed Mar 23, 2022 - 10:00 EDT (14:00 UTC) - Planning Engineering Projects using Global Mapper and Geographic Calculator

A wise person once suggested that we should measure twice and cut once. This metaphoric maxim can be applied in many situations but is particularly fitting when embarking on a major engineering or infrastructure upgrade project. As many transportation and public utility agencies begin the daunting task of revitalizing or replacing the rapidly decaying and crumbling infrastructure upon which we depend, we take moment to consider the importance of mapping and spatial data analysis in this rejuvenation process. Exploring various components of Global Mapper Pro, Global Mapper Mobile, and Geographic Calculator, this hour-long presentation will illustrate that the most important work in any project is done long before the shovels are sunk into the dirt.



Wed Apr 20, 2022 - 14:00 EDT (18:00 UTC) - Lidar Tips and Tricks

The most popular GeoTalks Express sessions over the last couple of years have been those in which we have shared some Global Mapper tips and tricks or revealed some of the software’s hidden gems. For April’s GeoTalks Express session, we turn our focus to some of the less well-known lidar or point cloud processing tools. In this hour-long session, we will show how to apply a custom shader to a point cloud, how to determine the average point elevation within a defined area, how to apply elevations from a point cloud to vector polygons, how to filter lidar using a reusable query, how to edit points in a cross-sectional view, how to transform a point cloud into a mesh or 3D model, and much more.



Wed May 25, 2022 - 14:00 EDT (18:00 UTC) - Coastal Flood Analysis using Global Mapper

With the Earth’s climate changing we, as a global community, are experiencing more intense and frequent extreme weather events. From higher tides to increased precipitation and storm frequency, flooding is threatening our coastal communities. The analysis and visualization techniques available in Global Mapper allow the modeling of past and predicted flooding events. Join us to learn how flood simulation and watershed tools can be used to model the flow of water over terrain to determine flood risk areas and damages. 



Wed Jun 22, 2022 - 14:00 EDT (18:00 UTC) - Exploring Global Mapper Mobile

Since its release as a beta product a few years ago, Global Mapper Mobile has seen major updates and enhancements. From simple tasks such as viewing data in the field or manually creating features, to the more advanced RTK support and expansive online sources the Pro version provides, Global Mapper Mobile can benefit any number of workflows. Join us as well look at much of the functionality within the application including GPS-based digitizing, address searches, and more.



More sessions will be added to this calendar, so bookmark this page or sign-up to receive our email updates!

GeoTalks 2021

If you missed GeoTalks® 2021, you may register to receive a link to watch the recording of the sessions.

Past Webinars

If you were unable to attend a GeoTalks Express webinar and would like to view the recording, you may request access to view past webinars here:

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