Discussion examining the benefits of occlusion maps applied to Metashape models to improve level of visible detail with low poly count plus review of online hosting of massive detail models.
Reprocessing the SS Thistlegorm data reveals the wreck at new levels of detail with the orthomosaic for the main site now reproduced at 2mm per pixel
Reprocessing old data to yield new results. Lessons learned from police forensic requirements applied to the SS Gwladmena.
Long time friend and collaborator Grahame Knott of Deeper Dorset decided he wanted some art to hang in the house. Whatever was going to hang needed to be relevant and big enough to fill the wall in a single image. With everything in life, size matters and the opportunity to print an ortho photo was Read more about Go Large & Print Big[…]
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[…]
Last week we set out to scan the wreck of the SMS Karlsruhe, one of the ships scuttled on the 21st of June 1919 in Scapa Flow. Everything was set; the Heart of Gold was prepared, the Suex scooter ready and the mindset was prepared for some serious scanning. The base for the week was Read more about Invasion of the Wreck Snatchers[…]
Last Roll of the Dice At 23:32hrs on the28th of October 1918 the Flotta Mining Hut triggered the remotely controlled minefield that guarded Hoxa Sound, thus sealing the fate of the submarine U.B.116 and her crew. U.B.116 had departed Heligoland early on the morning of the 25th with orders to attack the Royal Navy base Read more about 100 Years Ago Today – The Sinking of U.B.116[…]
3D Work in Scapa At least once a year we take the long drive north to Orkney and Scapa Flow for a week of diving onboard the MV Valkryie. The Flow has been used as a military base during both world wars and the German High Seas Fleet was interred and scuttled there in 1919. Read more about Scapa Flow – The Results[…]
Slope Analysis As we have discussed before Digital Elevation Models help us understand subtle changes in depth (or height) of the subject. We also think they are art in their own right. Tucked away in the 1.4 release of Agisoft Photoscan Pro is a preference that adds slope analysis. The colours applied to the model Read more about DEMS – Another View[…]
Freeze Frame Until now converting video into still photographs required a piece of third party software. Since the release of Agisoft Photoscan 1.4 the ability to import video directly has been added. It was time to investigate and see what this function offered us. With enough light to warm the ocean and a housed digital SLR camera Read more about Photoscan 1.4 – Importing Video[…]