Tag Archives: UKHO

Who are the “Geo6” and why will this change UK geospatial?

Around the middle of 2017, there was a mumble in the geospatial industry about how the UK government was going to open up more of its geospatial data. There was even an outrageous rumor that Ordnance Survey was going to have to release its multimillion-pound product, Mastermap. Everyone sniggered but watched the news like hawks....

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 the simplest, not always the...