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fig11 2W operator's interface (flight planning)
The set of reference points necessary for this algorithm to
do calculations is the same one utilised in the part of the
analysis of the transformations. This software allows
therefore, for the user to know the actual position of each
element designed by de’Barbari and to find on his view
each place in the city as it is today. The limitations of the
program are that of the algorithm: the correspondence is
exact on the reference points while for all of the other
points, it is obtained by interpolation.
In fact, the geo-referencing is complete.
The 2W software allows the user to identify corresponding
points and therefore to calculate the coordinates in the
system of the reference chart.
These two actions:
• identify the points,
• know the coordinates of these points,
which are the fundamental operations which are done in
cartography:
• localise,
• measure.
The software designed and implemented realises in a
conclusive way the idea of the rigorous metric support
return to historic cartography without however modifying
the original aspect. This suggests therefore the need to
reflect on the possibilities offered by the use of
informational instruments in the field of cartography, and
not only historic.
Bibliography
Guerra F., Balletti C., Miniutti D., GeoPlanTransf: a
software for thè georeferencing of digitai images by using
piane trasformations, in International Archives of
Photogrammetry and Remote Sensing, ISPRS WG VI/3,
Parma, 15-19 febbraio 1999.
Fuse T., Shimizu E. Morichi S., A study on geometrie
correction of historical maps, in International Archives of
Photogrammetry and Remote Sensing voi XXXII, Part 5,
Hakodate 1998;
Guerra F., Balletti F., Monti C., Livieratos E., Boutoura C.,
Le carta prospettica del De' Barbari (1500): analisi delle
qualità metriche, in Atti ASITA99, Napoli, 9-12 novembre
1999.
Guerra F., Balletti F., Monti C., Livieratos E., Boutoura C.,
Studi ed elaborazioni informatiche e infografiche sulla
veduta prospettica di de’Barbari, catalogo della Mostra
“Jacopo de’Barbari.Carte e panorami di città nel ‘500”,
Museo Correr, Venezia novembre 1999.
Guerra F., Trasformazioni geometriche locali:
trasformazione versus corrispondenza, tesi di dottorato in
Scienze Geodetiche e Topografiche, XII ciclo, Politecnico
di Milano. Tutor: Carlo Monti
