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Thai cave rescue – 3D scan journey through the cave complex

3D Scanning of Tham Luang cave Our involvement in the Tham Luang cave rescue documentary began through our involvement with our worldwide LiDAR surveying service “Commendium 3D”. We were invited to scan the mountains and the Tham Luang cave, to capture the ‘complete cave system and the mountains above’, thus delivering the first accurate 3D built system of the Thai cave. The 3D Lidar scans would be later used to illustrate the story of the rescue in the “Drain the Oceans” documentary with compelling 3D effects. Tham Luang Cave in Northern Thailand was virtually unknown beyond the small village bordering Myanmar. It all changed when, on the 23 of June 2018, twelve young boys and their football coach became entrapped by unexpected floodwaters. One and a half miles inside the cave system the boys waited, The International effort which took over three weeks must rate as one of the most impressive and courageous rescue missions in history. National Geographic The documentary film was for one episode of National Geographic’s “Drain the Oceans Series”. Filming and film production were expertly led by MSPTV in Bristol and we worked on 3D visuals with 422South, also of Bristol. Using our scan data 422South built some stunning CGI to accompany the 3D visuals included in the film. Roo on Camera In the field, our first week was spent supporting the filming of the cave. This involved filming us scanning, working in the cave, many interviews, and of course carrying filming gear through the cave. [caption id="attachment_5532" align="aligncenter" width="640"] 3D scanning Roo Walters with Sophie Elwin Harris Directing and Rob Franklin Filming[/caption] Scanning the Cave After supporting the film crew, we started the two weeks of cave scanning. Scanning included the mountain above for which we employed the terrestrial LiDAR and drone surveys. 3D scanning started from the far end of the cave complex; this meant our trips into the cave became easier as we progressed. Whilst hot, dry, and energy-sapping with 25kg of survey equipment, plus another 15kg of photographic gear, the cave is, for cavers at least, relatively easy, but some sections did involve flat out belly crawling and a few slippery climbs. As we traveled deep into the complex, we kept finding parts of the cave that were not recorded on the original survey. These new areas also had to be scanned to gain a complete 3D model of the cave. A…

3D scanning what is it good for?

Ever wondered what 3D scanning and the resulting 3D models are used for? We take a look at why photographs and traditional methods of capturing data are being superseded by 3D scans. When it comes to 3D scanning, there is more to it than printing out 3D models and producing CAD files, which is what we normally associate 3D scanning with. So why are more businesses and industries and individuals requesting 3D scans? In a nutshell 3D scans are a time-efficient and accurate way of capturing physical objects. Quite simply, you can digitise reality. Hollywood to the V&A Everyone, from Hollywood studios to museums are having their props and artefacts scanned for archiving purposes. Architects use 3D scans to capture data for remodelling, and the construction industry is quickly realising that 3D scans not only save time and money, they can be infinitely safer too when accessing areas of restricted access or hazards. What are the benefits that everyone is going wild about? The benefits, of which there are several present themselves like this. From the point of view of ‘time = money’. 3D scanning makes it possible to capture data quickly and accurately from the physical world, far quicker than traditional methods. Once your object has been scanned, that is it for posterity, you have essentially “digitized reality”. Your digital data can now be used for measuring, reproduction, comparisons, prototypes or simply stored safely for future references. How 3D scans work When you must get things right and there is a need to capture, preserve, or precisely measure, any object, ‘big or small’, then a 3D scan comes into its own. Our 3D scanners use light to measure, which means they are highly accurate and really- useful for measuring places with difficult access. In addition, the scans are non-destructive, which means your object is unaffected. 3D scans are used in many industries, from AEC (Architecture, Engineering and Construction), creative professionals to homeowners. A 3D scan accurately captures a physical object or environmental feature by analysing the shape, appearance, and colour of the object, which it then turned it into a digital file. Here we take look at the fascinating ways that 3D scans are used across a mixture of industries, and and by Joan and Bob from the farm on the fell and Carrie, who owns the local art studio. Environmental Agriculture Climate change it is on all our…