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Communication Dans Un Congrès Année : 2005

Full XML documentation from photogrammetric survey to 3D visualization. The case study of shawbak in jordan.

Résumé

The paper presents an interdisciplinary project dealing with survey and documentation in medieval archaeology. The project
is led by two scientific partners: the CNRS MAP-GAMSAU of Marseilles (France) responsible for the photogrammetric
survey and the web documentation, and the “Dipartimento di Studi storici e Geografici” (DSSG) of the University of
Florence (Italy) responsible for the archaeological research. The case study is the Castle of Shawbak, traditionally known in
historical reports as the “Crac de Montréal” in Jordan.
2D and 3D models generation from photogrammetric data, user friendly matching of measurements and archaeological
knowledge, XML usage as standard language for the whole project are the main innovative and interesting issues of this
research. More details on the above will be given in the present document.
In the Survey stage two photogrammetric packages have been used. Photomodeler ™ is used to make the orientation,
several hundred of photographs have to be oriented and this software is easy to use for archaeologists as well. Besides,
ARPENTEUR ( chitectural hotogramm try etwork
ool for d cation and esearch) is used to generate a
survey linked to archaeological data. A set of tools has been specifically developed in ARPENTEUR, based on
correlation process and archaeological knowledge, in order to simplify the plotting stage and make it easy for a nonphotogrammetrist.
The geometry of 3D models of measured objects, such as ashlars blocs and/or stratigraphic units, is achieved through
archaeological knowledge (several patterns of extrusion, mapping from photographs) and a set of textual data related to
archaeological analyses. The main purpose is the production of geometrical models that can work as interface to access
the textual/archaeological dataset.
The geographical distance between the two partners was actually the first reason for developing an XML based web
platform aimed at exchange and update the generated models. Due to the complexity of the matter, several interfaces
have been developed in order to create (purpose) a dynamic link between 2D or 3D representations and textual data. The
general format for all the data in this project is XML. 2D images and vectors are generated in SVG (Scalable Vector
Graphic is a XML representation for 2D data); 3D models are generated in X3D which is the XML upgrade of VRML;
archaeological data are formalized in XML standard and the web site developed as an exchange platform is also entirely
written in XML and XSL.
This project is still under development and not yet fulfilled. After two photogrammetric campaigns in Jordan the first results
are available on the web site: http://piccard.gamsau.archi.fr/Shawbak/
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Dates et versions

halshs-00274971 , version 1 (22-04-2008)

Identifiants

  • HAL Id : halshs-00274971 , version 1

Citer

Pierre Drap, Anne Durand, Julien Seinturier, Guido Vannini, Michele Nucciotti. Full XML documentation from photogrammetric survey to 3D visualization. The case study of shawbak in jordan.. CIPA XXth international symposium, 2005, Italy. pp.1-6. ⟨halshs-00274971⟩
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