By Raphaële Héno
Conventional topographic databases, bought through catch on aerial or spatial photographs offer a simplified 3D modeling of our city setting, answering the wishes of various functions (development, hazard prevention, mobility administration, etc.). despite the fact that, after we need to symbolize and learn extra complicated websites (monuments, civil engineering works, archeological websites, etc.), those versions not suffice and different acquisition and processing ability need to be applied. This booklet makes a speciality of the examine of tailored lifting capability for "notable buildings". The equipment tackled during this e-book conceal lasergrammetry and the present thoughts of dense correlation in keeping with photos utilizing traditional photogrammetry.
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Additional info for 3D Modeling of Buildings. Outstanding Sites
However, in the case of representing and analyzing outstanding sites like monuments, works of art or archeological sites, these databases are insufficient and other ways of acquiring and processing data need to be employed. This book presents a state-of-the-art of the methods specifically adapted to outstanding sites and the research currently being carried out in this area. The methods addressed in this text range from lasergrammetry to current dense correlation techniques using images as well as traditional photogrammetry.
Subsequently, depending on the products required by the building specifications, all or some of the processing steps will be carried out from the table below. For each stage, an estimated time is given, the order of magnitude corresponds to a medium-sized outstanding site, such as a church or small castle. 2. 5. , 3D Laser Scanning for Heritage (second edition) – Advice and Guidance to Users on Laser Scanning in Archaeology and Architecture, English Heritage, 2011. , “Utilisation de la photogrammétrie aux levés architecturaux.
Nevertheless, they can be sufficient for the survey of an entire district where the rendering is not the main objective. Although this type of acquisition has proved its worth, especially in whole towns [PAP 12], several initiatives are underway to produce more focused surveys with small vehicles that are able to go beyond public areas and possibly enter buildings6. 4. g. images linking different viewpoints, or wide-angle images taken to help the orientation of images taken with long focal length lenses) by carrying out image surveying in video mode.