POSTER SESSION A: Ar Hi De Ub Cr

A New Design for a Map of Historic Buildings in Istanbul, based on the Insurance Maps of Jacques Pervititch

Monday, July 3
2:30 PM - 5:30 PM
Location: Exhibit Hall C

The insurance maps made by topographer and engineer Jacques Pervititch between 1922 and 1945 for the Central Office of Turkish Insurance Agents carry different meanings today from when they were first issued. At the time, the aim of Pervititch’s maps was to illustrate the risk factors considered by insurance companies to mitigate the heavy burden of large fires occurring in Istanbul.
Because of its densely-packed wooden structures, Istanbul was often affected by wide-ranging fires. In particular, the Hoca Pasa and Pera fires, occurring in 1865 and 1870, respectively, were major disasters. The former destroyed a significant section of the Historic Peninsula, and the latter, an extensive area from Taksim to Galatasaray.
Istanbul underwent several notable reconstructions over a century, beginning after the great fire in 1870. This event marked an important turning point in the development of fire insurance in the city. The conversion of traditional wooden houses to more fire-resistant stone and brick buildings became a decision of government. To achieve this end, it became necessary to obtain more detailed maps of the various regions of the city than the existing general maps. This became an especially important issue after the second half of the 19th century.
The series of maps by Pervititch is a unique work of architectural history; it comprises an urban architectural plan of Istanbul. Pervititch meticulously researched both public monuments and privately-owned structures, and he expressed his findings on the maps as semantic information. Pervititch’s maps use both traditional graphical methods and detailed schemes for architectural representation. His symbols, colors and fonts represent cartographic properties. The colors of the buildings indicate their type of structure, and he also provides information about the numbers of floors and heights of topography.
Today, this work is an artistic corpus that contains unequalled documentation of an architectural heritage that has largely been lost. The rapid changes of the city after 1950, with successive expropriations and the construction of new squares and roads, have rendered the original maps obsolete. The names of some streets, avenues and buildings have been changed. However, Pervititch’s maps can still provide extremely rich reference material for researchers. These maps should be re-evaluated, as they contain much information that reveals the greatly changed fabric of the city.
In this study, we used new techniques to revise 1:250-, 1:500-, and 1:1000- scaled maps by Pervititch and produce a new, revitalized map. This new map shows the city as it was back in the time of Pervititch. The study areas were the Istanbul Historic Peninsula and the region of Galata. We designed a new 1:2000- scaled map as a circle with a radius of 2 kilometers, centered on the Beyazıt fire tower, built in 1828 in order to observe and report fires. Because of this function, the tower was located in a central position in the city and thus serves as a useful center point for the map.
On the plots of land indicated by the cartographic generalization of the road network, we drew and painted freehand the historic buildings and other natural and man-made details, using such media as felt-tip pens, watercolors, and crayons. We drew structures from the perspective of the Marmara Sea and the Golden Horn, considering their structural angles and height differences. We also carried out typographical studies to produce a new font based on historical and cultural references between 1922 and 1945, and we used this font to label details on the map according to the principles of readability.

Alper Sen

Assistant Prof. Dr.
Yildiz Technical University, Faculty of Civil Engineering, Department of Geomatic Engineering, Division of Cartography

PERSONAL INFORMATION
Citizen: Republic of Turkey
Date of Birth : 20.04.1979

EDUCATION
Ph.D.: Yildiz Technical University (YTU), Institute of Science and Technology, Remote Sensing and Geographic Information Systems, Istanbul-Turkey, 2013.
M.Sc.: Yildiz Technical University (YTU), Institute of Science and Technology, Remote Sensing and Geographic Information Systems, Istanbul-Turkey, 2007.
B.Sc.: Yildiz Technical University (YTU), Faculty of Civil Engineering, Geodesy and Photogrammetry Engineering Department, Istanbul-Turkey. 2004.

RESEARCH
Leibniz University – Institute of Cartography and Geoinformatics - Hannover (Germany) – Ph.D. Researcher., 2011-2012.

Presentation(s):

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Gozde Yuksel

Interior Architecture and Environmental Designer
Interior Architecture and Environmental Designer

Baskent University, Faculty of Fine Arts, Design and Architecture, Department of Interior Architecture and Environmental Design

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Volkan Koc

Graphic Designer
EuroTurkMedya

Baskent University, Faculty of Fine Arts, Design and Architecture, Department of Graphic Design

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