Le relevé photogrammétrique de la Giralda á Seville

Abstract

[EN] THE PHOTOGRAMMETRIC RECORDING OF THE GIRALDA OF SEVILLE A work from the end of the 12th century, the Giralda -today the bell-tower of the cathedral of Seville- was built by the Almohadian caliphs. In the shape of a square it comprised a tower 50 meters high which was surmounted by a second, narrower structure, which brought the total height to more than 65 meters. It was built of bricks, creating a splendid effect. During the Renaissance the Giralda's height was raised to 95 meters by a belfry whose style is in harmony with the Almohadian building. In 1984 a complete photogrammetric recording was made of the four sides at 1:50 scale by the author, directing a team of the Photogrammetry Service of the Polytechnical University of Madrid. Moreover, a detailed recording of the masonry and decoration was made at 1:25 scale. On account of its quality and the rapidity with which it was carried out this work provided obvious proof of the advantages of photogrammetric methods. A photogrammetric service has since been set up at the General Directorate of Fine Arts of Spain. Among the work that it has already carried our are surveys of important examples of Islamic architecture.