All posts by Juan B. Plaza
Affordable GNSS: Post-Processing Kinematic in the Cloud
In 1990 I had the privilege to work with a group of pioneers in Canada in the early development of land surveying techniques using a revolutionary new technology known as global positioning system or GPS. Back then, there was only a handful of satellites and the availability of a workable constellation that would allow for...
Riegl Officially Opens New Headquarters
On November 18th and under a persistent Florida drizzle, Dr. Johannes Riegl cut the ribbon that officially opened their new North American headquarters for business. Attended by over 150 people, Dr. Riegl and his son Johannes Riegl Jr., presided over a well-orchestrated and masterfully executed opening gala at the new Winter Garden, FL location. The...
Geospatial Adventure, eh?
Racing the weather to establish a second-order control network in the Great White North in the early days of GPS
Looking Back
Using a single-beam laser to create a mapping profile in the Amazon jungle was a hint at aerial technologies to come
Using Lidar to Strengthen Ground Control
With the maturity of aerial photogrammetry in the early 1900s in pre-war Germany, military applications, especially reconnaissance and semi-accurate 3D maps and approximate contour lines, became the norm.
Safety First: Using Small Drones to Map Unsafe Sites
Traditionally, photogrammetry based on aerial images and stereo plotting, has been the realm of large mapping companies capable of affording the onerous ownership of planes and the high personnel cost of pilots, navigators and camera operators. The equipment used to convert the stereoscopic pairs into contour line maps cost hundreds of thousands of dollars and...