Category: GIS&T

Aerial Photos are not Maps.

Why aerial photo are not maps and dipping a toe into the differences between ortho- and geo- rectification.

Earth-fixed vs plate-fixed and GDA2020

The march towards the adoption of GDA2020 continues, and one of the great things to have come out of this is the move away from the term “dynamic datum” to “earth-fixed datum”. Not sure what the difference is? Why it’s super interesting and you…

GDA2020 is coming!

Australia is modernising its datum in two stages over the next few years and stage one starts next month. Wait! What?!? Why? I hear you ask with gasps of horror. Well, it is necessary for a couple of reasons. The GDA94 datum does not…