陌生云朵是天空的脚印印是3d的吗

来源：蜘蛛抓取(WebSpider) 时间：2017-04-24 14:44 标签： 出殃脚印是真的吗
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3D扫描成功留存远古脚印
3D Scanning Saved These Ancient Footprints Just Before They Washed Away
In May 2013, a storm uncovered these ancient footprints on an English beach. At over 800,000 years old, they're the oldest human ancestor footprints ever found outside of Africa. The storm that revealed them soon washed them away too, but scientists have been studying the footprints for months after the fact, thanks to 3D imaging.
Over the past decade, heavy winter storms have heavily eroded the sand, silt and gravel that form the coastline near Happisburg, UK. This erosion exposed these ancient footprints in a long-covered layer of laminated silt, which archaeologists coincidentally stumbled upon during a low tide survey of the area. From that moment, it was a race against time: continued stormy weather and the beating tide were continually wearing away the evidence.
While physical measurements weren't possible in the field, the researchers were able to piece together dozens of digital photographs of the footprints to create 3D virtual images for advanced study. The dimensions of the footprints correspond to juvenile-to-adult hominin foot sizes, estimated to be around five feet tall. Analysis of the flora and fauna found in the sediment helped specify the age of the imprints.
The resulting research paper, published today in Plos One, shows just how influential this discovery is: the footprints indicate that human ancestors were roaming around northern Europe at least 350,000 years earlier than previously estimated. As the British Museum's Dr. Nick Ashton told the BBC, "it will rewrite our understanding of the early human occupation of Britain and indeed of Europe."
And to think, without 3D scanning, it all could have washed away before we even knew what we were missing.
[责任编辑：楚天都市报讯（记者戎钰）以神农架林区&禁猎令&为故事背景的鄂产新片《陌生的脚印》昨日在第7届北京国际电影节举行签约仪式。据悉，该片将以电脑CG 技术打造神农架&野人&形象，预计明年暑假全国公映。
该片编剧翁宏才介绍，《陌生的脚印》是本次北影节市场上唯一一部丛林CG电影，&投资方之一是业内举足轻重的台湾电影特效公司。&
据《陌生的脚印》在国家广电总局电影局官网的剧情备案，该片讲述神农架林区发生的一起盗猎案，为证父亲清白，11岁少年&小熊包&独闯原始丛林寻找神秘&野人&目击者。
翁宏才透露，剧组已与著名演员倪大红、吕丽萍达成合作意向，男主角&小熊包&由&自幼在少林寺习武的功夫小子&释小松饰演。
责任编辑：魏曦
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