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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B6. Istanbul 2004
4.6 Web publication
Formats used (XML, XSL, SVG) for the storage and the
publication of the data are strongly Web oriented. It is possible
to create Web publications of information relative to a survey
by setting up on a server a Web server as well as a server
allowing the processing of data in XML (like Apache Tomcat
for example). The use of a server has two advantages. First one
allows a large audience to display the results of a survey and
thus to facilitate the access to the data. Second one is to allow
teams working in various places on the same survey in
openness (as within the framework of international
collaborations).
4.7 Consistency verification and data merging
Finally, XML allows a fast access to the data. Considering this
characteristic, we will be able in a future work to scan XML
files and detect some inconsistencies in order to go toward an
automation of some corrections, such as for example
redundancy in measurements or bad classification. of the
objects.
The problem of data evolution becomes crucial as soon as
several measurement methods are involved, or when different
sources are used to establish the final data. We must manage
data coming from both photogrammetric measurements and
other more or less direct manual measurements. All of these
measurements are incomplete and represent the same object at
different time.
This work about reversible data fusion and revision, from the
different data sources existing in this project has been started
this year thanks to collaboration with Prof. Odile Papini, SIS
laboratory, University of Toulon, France (Odile Papini, 2001).
5. CONCLUSION AND FUTURE WORK
In this new version of Arpenteur we have presented two kinds
of developments: a DSM tool, fully integrated in the measuring
process of Arpenteur and a synthetic approach of data fusion in
SVG in order to merge and clarify the result file after the
plotting phase.
Both of these developments are part of the general framework
and the main objective of the Arpenteur research program:
establish a link between knowledge and geometry in a simple
photogrammetric tool able to be freely used by archaeologists.
As all the data, (photo orientation and results from the plotting
phase) are stored in a unique XML repository, it will be
possible, in a near future, to export data in a 3D visualization
tool (Java3D and X3D) and allow a bidirectional access to non
graphical data through the 3D interface. The work presented
here is the first step to a photogrammetry based Information
System dedicated to archaeology and architecture.
6. ACKNOWLEDGEMENTS
The author wishes to thank Luc Long, Chief Curator in
DRASSM, Marseille, to have lent us two Etruscan amphorae
from the Grand Ribaud F excavation, used in the
experimentation presented here.
7. REFERENCES
References from Other Literature:
Juan A. Barceló, 2000. “Visualizing what might be. An
introduction to virtual reality techniques in archaeology”.
Virtual Reality in Archeology, Edited by Juan A. Barcelo,
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Donald Sanders, Maurizio Forte. Published by Archéopress PO
Box 920 Oxforf OX27YH, 2000.
Pierre Drap, Pierre Grussenmeyer, Gilles Gaillard. Simple
photogrammetric methods with arpenteur. 3-d plotting and
orthoimage generation : the I-MAGE process. CIPA 2001
International Symposium, Potsdam University (Germany)
September 18 - 21, 2001. /SPRS International Archives of
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Pierre Drap, Matteo Sgrenzaroli, Marco Canciani, Giacomo
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Pierre Drap, Julien Seinturier, Luc Long. 2003. "Archaeological
3D Modelling using digital photogrammetry and Expert
System. The case study of Etruscan amphorae”, Sixth
International Conference on Computer Graphics and Artificial
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Harris C., Stephens M., 1988. « A combined edge and corner
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Odile Papini, 2001. “Iterated revision operations stemming
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Drap Pierre, Grussenmeyer Pierre, ARPENTEUR, an
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and Research;, http://arpenteur.gamsau.archi.fr (version 3.1.4,
25 April 2004)
Grand Ribaud F, 2000-2004. Drap Pierre, Durand Anne, Long
Luc, Web site dedicated to the Grand Ribaud F Etruscan wreck.
http://GrandRibaudF.gamsau.archi.fr
Jess, 2001 “JESS, The Java Expert System Shell” FT.
Friedman-Hill, September 2001 http://www.sandia.gov/jess
SVG, 2001, Scalable Vector Graphics (SVG) 1.0 Specification,
W3C Recommendation 04 September 2001, Jon Ferraiolo,
http://www.w3.org/TR/SVG/
XML, 2000, Extensible Markup Language (XML) 1.0 (Second
Edition), W3C Recommendation 6 October 2000, Tim Bray,
Jean Paoli, C. M. Sperberg-McQueen, Eve Maler,
http://www.w3.org/TR/REC-xml
XSL, 1999, XSL Transformations (XSLT) Version 1.0, James
Clark, W3C Recommendation 16 November 1999,
http://www.w3.org/TR/xslt
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