DEM of pillbox

Line of Control

Living in the South East of the UK you are never far away from reminders of more turbulent times. Built during 1940/41 and stretching across the the country are lines of bunkers – known as pillboxes – and other fortifications intended to slow down an invading army. Type 24 Pillbox by Deep3D on Sketchfab. Thankfully Read more about Line of Control[…]

Lights, Camera, Action!

The latest release of Agisoft Metashape 1.5.3 has seen some major improvements to the animation pane. Photoscan 1.4 beta first saw the animation pane appear and we did a review at the time. There was a choice of horizontal or vertical viewpoints and any detailed camera track could be loaded but needed 3rd party software Read more about Lights, Camera, Action![…]

For The Wrecks They Are A-Changin

The seabed and wrecks are dynamic environments. As divers we are not always aware of just how much things change unless something dramatic occurs. In 2012 the stern of the Karlsruhe was very ship-shape with neat lengths of teak decking in place. Then the stern winch capstan collapsed to the seabed and upended everything. Anything Read more about For The Wrecks They Are A-Changin[…]

The Value of Quality

Quality In During a brief visit to London’s Victoria and Albert Museum one of the subjects was shot with the best camera to hand – an iPhone. The museum contains a wealth of art – the very finest expressions of what it means to be a creator. There were many worthy subjects but most were Read more about The Value of Quality[…]

Aligning The Images – Why Things Go Wrong

Recently we helped IANTD run the first two day Diving Skills for Photogrammetry course at Vobster Quay Inland Diving. The course teaches not only how to dive and work as an efficient buddy pair to capture the photos needed, but goes into some detail as to how Metashape uses the images to align and build Read more about Aligning The Images – Why Things Go Wrong[…]

Mesh it up – Depth Maps vs Dense Cloud

With the release of Metashape 1.5 we get a choice with the route to mesh creation: Depth Maps Dense Cloud For some purposes we don’t really need a mesh, the dense cloud is just a series of defined points in 3D space but can have GIS information and scale applied. But for most uses – Read more about Mesh it up – Depth Maps vs Dense Cloud[…]

More Than One Orthophoto

Pre-Restoration Scan Recently we acquired a very rare WW2 vintage torpedo motor from Deeper Dorset‘s very own Grahame Knott. The motor is unusual; instead of the typical 4-cylinder radial configuration this example is an experimental 2-stroke 8-cylinder radial engine. As far as we know the engine was never put into production, but there are a Read more about More Than One Orthophoto[…]