The Art of DEM

The Art of DEM For some reason, I am drawn to Digital Elevation Models (DEM). They express so much information in such an elegant way. Their creation does require embedding GPS data, but thats almost a given these days as its a straightforward exercise pulling points out of sonar. In simple terms, a DEM is Read more about The Art of DEM[…]

Updated – the UB 116 & Builders Plans

Error Correction Time Its time to confess a small but significant mistake when annotating the 3D model of the UB 116:- It turns out I had labelled the bowplanes incorrectly, for a check of the builders plan shows their shape as matching hydroplanes. And as any good submarine nerd knows, bowplanes are at the pointy Read more about Updated – the UB 116 & Builders Plans[…]

Photogrammetry – Managing the Data

How much? Photogrammetry produces a lot of data. Here’s a walk-through of the kind of volume needed to create the High Seas Fleet pinnace found last month in Scapa Flow:- Volume of data by event From beginning to end we have:- Dive – 598 RAW files = 15.32Gb Initial processing – 598 derived JPEG images Read more about Photogrammetry – Managing the Data[…]