3D-skanning for arkitekter

De BISAWiki

Edição de 02h40min de 17 de maio de 2013

Regardless of its dilapidation, the Parthenon continues to be 1 of Greece's leading vacationer points of interest, drawing thousands and thousands of folks every calendar year to see 1 of the greatest culture's greatest landmarks. But picture if the Parthenon have been properly preserved. Audio unattainable? Thousands of years back, it certainly was. But right now, a contemporary heritage construction like the Parthenon could be preserved in its authentic point out indefinitely, many thanks to 3D laser scanning, a technological innovation launched in the late 1990's that uses lasers and special recording devices to collect the floor info of objects big and tiny.

As a single may possibly count on, scanners were initially adopted by industries whose procedures rely intensely on the collection of floor information, such as the engineering, construction, and producing industries. But, in the previous ten years, scanning has been executed by companies that don't feature an evident require for it, this sort of as historical preservation societies. Nevertheless, just as scanners let manufactures to proper item flaws by evaluating a product's CAD model data against its post-producing knowledge, they also help preservationists to protect heritage objects by preserving the objects' area knowledge, which can be utilised to keep and restore them.

The Programs of Historical Laser Scanning

Historical laser scanning is best acknowledged for its attempts at preserving sculpture, the most notable of which was the Could 2010 scan of the Mount Rushmore monument, and the structures and terrains in memorial park that sits beneath. Using triangulation scanners, which solid patterned light throughout an object's surface and use a camera to evaluate the deviations in the pattern caused the object's floor quality a scan crew scanned the total monument, conducting scans from at multiple seize factors (all around 200 to be specific) to document the monument's complete knowledge set over a time period of two months.

In addition to sculpture, other notable endeavors contain the scan of historic structures, this sort of a Thomas Jefferson's Monticello, a neoclassical design estate found in Charlottesville, Virginia. With buildings, the emphasis is normally to supply knowledge for maintenance, as opposed to massive repairs. As with laser scans utilised to maintain non-historic properties, some typical servicing targets for Monticello would be its roof, facade, and maybe its surrounding landscape, as time-of-flight scanners can very easily obtain the knowledge of expansive terrains.

Scanners can be utilised to protect anything whose actual physical information gives the important to its routine maintenance and restoration (the canvas of a painting, for case in point, would be exempt). But they can also be utilised to generate models of heritage topics that selection from trinkets to good statuettes, with the Eiffel Tower and Michelangelo's David being typical illustrations. A lot of preservation societies outsource scans thanks to the higher value of scan tools, whilst others call for scans usually adequate to make purchasing their own products the cost-effective choice.

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