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Orthophotographs


These digital techniques model in three dimensions the subjects’ geometry. Ces techniques digitales modélisent en trois dimensions la géométrie des sujets. On the contrary, pixels of photograms can be projected onto the 3D model to obtain perfectly oriented textures. Each scene is projected from any axis in order to obtain a photography at the wanted scale. With orthophotography, basis media are rapidly produced and record observations in the field on a metric medium of photographic quality.

Concerning archaeology, these techniques document day after day the different states of an excavation. They then offer the possibility to produce computer-generated photographs that illustrate situations which could never be documented simultaneously in situ before.

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Orthophotography of Fribourg’s Town Hall (FR)
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Orthophotography of the western front of Grandson Castle (VD)
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Orthophotography of various archaeological excavations
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Orthophotographs of the Montfalcon portal of Lausanne Cathedral (VD)
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Orthophotography of Hauterive Abbey (FR)
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Orthophotography of the roofs of Lausanne Cathedral (VD)