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‚8-11, 1999
‘the
A. Khamen
IT,
Experimentation of a georeferencing methodology for the Cultural Heritage
of Lombardia (Italy)
Carlo MONTI Raffaella BRUMANA Carlo SAVI
Full Professor Professor EP - Technician
E-mail: direz@idra5.iar.polimi.it E-mail: brumanar@jidra5.iar.polimi.it E-mail: carlo@topo.polimi.it
Luigi FREGONESE Cristiana ACHILLE Giada MONTI
Research Assegnist
E-mail: luigi.fregonese@polimi.it
Caterina BALLETTI
Research Assegnist
E-mail: balletti@brezza.iuav.it
E-mail: achillec@idra5.iar.polimi.it
3" year Course of Doctorate
E-mail: jade@libero.it
Giovanni AUDITORE
2" year Course of Doctorate
E-mail: auditore@cidoc.iuav.it
DITAR - Department of Hydraulic, Environmental, Street Infrastructures and Survey Engineering
Survey Division - Polytechnic of Milan - ITALY
Laboratory of "Survey, Digital Mapping and GIS”
P.za Leonardo Da Vinci 32 - 20133 Milano - ITALY
tel. +39 2 2399 6533 fax +39 2 2399 6550
Key Words: Cultural heritage, GIS, georefencing methods, numerical cartography
The project “Georeferencing of Architectural Heritage” becomes a part of a larger Regional Program of Development that provides
the carryng out of the management aim named “Achievement and optimization of the Informative System of Lombardia for the Risck
Chart of Cultural Heritage”. The project aims to built, as it’s pointed out in laws, the co-ordination of activities and specific
competences that are necessary in reaching the definitions of rules, methodologies and specific thecniques for the georeferencig of
monumental heritage (about 9000 monuments) in the entire regional territory. The main targets of the project can be summarized in
the following steps:
1. define methodologies and standard of georeferencing inside the Regional Territorial Informative System.
2. test instruments and georeferencing rules and methods based on numerical chartography such as CTR, orthophotos, or on place
surveying using new portable GPS strumentation, and using cadastrial data;
3. evaluate costs and management aspects in diferent ipothesys;
4.test the process in pilot - area with diferent territorial characteristics;
5. give geographic coordinates of monuments obtained by digitizing their features on Regional Technic Cartography (scale 1:10000)
and, expecially for historical urban centres, on other bigger scale cartographies (scale 1:2000).
Different methods for monuments geographic position acquisition have been studied, considering them as possible alternative choice
for different levels of cognitive deepening, integrable for the same Monument, to take the greatest advantages of all their
potentialities and to employ all available data giving guarantee of a compatible standard for the aims of the entire project.
In the conceptual passage from cataloguing information to the
filing cards and scheduled maintenance, developing the Risk
Map constitutes a fundamentally important element that
replaces the old school of thought centred on making special
interventions once the damage occurs. At the basis of all this,
lies the idea to identify systems and procedures that enable
scheduled interventions, supplementing the data relative to the
environmental risk and correlating the cultural objects with the
geographic context.
The general objective of the study presented here is to
contribute to the development of methodological and
technological survey applications, to modelling, georeferencing,
and handling of the Cultural Heritage in the general framework
of drawing up a Risk Map, as part of system developed by the
ICR, summarised in the six file-card outlines in relation to
Heritage items of various typology and dimension.
In a system where survey scales and purposes are vastly
different, it bridges the gap between the specific classification
and cataloguing to drafting the Risk map of Cultural Objects at
a national and regional scale and point setting of the object to an
architectonic scale. Specific surveys support the analysis of the
current conditions, for preparation of the vulnerability file cards
at various levels, for scheduled maintenance, and for routine site
operations.
Therefore, a complex system is generated (see the setting and
interpretation developed by the Central Institute for Restoration
and made on a regional level - ex. Risk Map of the Heritage of
the Region of Lombardy) oriented toward exploration
conducted on different scales. This ranges from cataloguing
with a view to developing the Map, which entails and requires
laying down protocols for development of the georeferencing of
the Heritage objects on a regional and national scale, in which
the study of the survey of the object and the integrated data
processing and models - including from a geometric, spatial and
morphological point of view - their use, are recognised
The general objective of the study presented here is to
contribute to the development of methodological and
technological applications to the survey, to modelling,
georeferencing, and handling the cultural heritage in the general
framework of drawing up a Risk Map, as part of system
developed by the ICR, summarised in the six file-card outlines
in relation to cultural heritage objects with differing typology
and dimension:
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