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xyHt Weekly News Links: 6/23/17

EngineerSupply Announces New Supply Line of Nedo Surveying Spectra Precision’s New GNSS Receiver Provides Surveyors with a Powerful Multi-application GNSS Solution Digital image evaluation heading for new markets Seiler Instrument Chooses TerraGo Magic to Build its Mobile GNSS App Platform Leica Geosystems offers complete imaging solution OrbitGT Announces Mobile Mapping...

Newlyn Harbour Lighthouse

Dealing with Vertical Datum, the Mariners’ Way

Before 3D GIS, we were able to measure miles below the sea and miles beyond our own atmosphere to a great level of accuracy, so how did we do it? There are a few methods for working between vertical coordinate systems, but the one I want to discuss is possibly...

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Mapping Rwanda: Surges Forward in UAS Mapping Use

This entry is part 4 of 8 in the series June 2017From cadastral to precision agriculture to humanitarian aid, UAS are making a big difference while mapping Rwanda. (Above: Course participants examine an orthomosaic in Pix4Dmapper during software training.) After Rwanda made waves in the news early last year for allegedly...