Re: Rock art recording using 3D laserscanning

On Mon, 26 Dec 2005 20:33:55 +0100, "Peter Alaca" <P.Alaca@xxxxxxx>
wrote:

>M. Díaz-Andreu 2005
>LONG MEG: ROCK ART RECORDING
>USING 3D LASERSCANNING
>http://tinyurl.com/dp8ql
>
> For more than a century, the documentation of
> most British prehistoric rock art has been
> undertaken by a small number of antiquarians and
> avocational archaeologists including James
> Simpson (1865), Ronald Morris (1981) and, more
> recently, Stan Beckensall (1999) and the Ilkley
> Archaeology Group (Boughey & Vickerman 2003).
>
> Techniques used to record the carvings have varied
> from tracing, free-hand drawing, to photography and
> wax rubbing, the latter being that most commonly
> used during the last three decades. Although these
> approaches provide adequate information to identify
> each carving and give an impression of the designs,
> they cannot reproduce the degree of detail and
> accuracy required by today's researchers and
> conservationists.
>
> The traditional techniques are inherently subjective;
> they rely heavily on the skill and experience of the
> recorder as well as on prevailing lighting conditions.
> The process of transferring a 3D object onto a 2D
> piece of paper also has obvious limitations. Even
> the most experienced protagonists acknowledge
> that repeated visits to the same site may produce
> different results.
>
> 3D laser scanning has the potential to revolutionise
> rock art recording. It produces highly objective and
> accurate 3D models providing reliable, detailed
> information for both researchers and
> conservationists. Laser recordings may even
> identify previously unknown carvings, as
> demonstrated by recent discoveries at Stonehenge

3D laser scan has been used in industry for several years and can
generate accurate computer models of the object being scanned.

Come to think of it, wasn't this done to the KRS in Denmark? What
happened to that?



Eric Stevens

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