Blue Marble offers free videos for individuals interested in learning more about its GIS and geodetic software.
Blue Marble webcasts are pre-recorded videos about GIS and geodetic topics and software tutorials. Registration isn't required to view these videos. Subscribe to Blue Marble's YouTube channel to receive notifications of when webcasts are available. Announcements of video releases are also made on the Blue Marble Facebook, LinkedIn, or Twitter accounts.
GeoTalks Express is a series of hour-long webinars focusing on particular aspects of Blue Marble geospatial technology.
All sessions are free and attendees are encouraged to sign up for multiple webinars. However, registration is required as online seats are limited.
Introduced with the version 19 release of the Global Mapper LiDAR Module, the Pixels-to-Points tool creates a high-density 3D point cloud from an array of overlapping images, such as those collected by UAVs. Based on the principles of photogrammetry, the process identifies specific objects in multiple images and from multiple perspectives to generate the point cloud.
In this presentation, we walk through the steps for importing the individual images, assigning the necessary options and settings, and generating the point cloud. We also look at the process of detecting and reclassifying ground points as a prerequisite for creating a DTM.