In the case of architecture and the city, the complexity of the survey leads to costs and times that are so high as to require sectorialisation and this can only be facilitated by finalization. It can be safely said that when we speak of an architectural or urban survey, we speak of a targeted survey and, in the general organization of the survey, the preliminary investigation itself is conditioned by the finalization. One can only hope that from the assembly and integration of several finalized reliefs it will be possible to achieve the relief of the object, but certainly time has already brought about further transformations. It remains fixed that, in the archiving of each survey, it is appropriate to specify the purpose of the survey, by whom it was performed and what the tools and methods were used.   As far as finalization is concerned, it remains out of any possible doubt that the detector cannot proceed to make a survey without having cleared the return model in his mind. The problem is no different than what a tailor has to solve when taking a person's measurements. Not only can the tailor not assimilate the person to a static element such as the mannequin, but he must have clear in his mind the suit he intends to make!
   To have a common thread, we will refer to the survey of the Mother Church of Cisternino (BR), made by university students. The word students immediately suggests a survey aimed at passing the exam, but in this particular case it offers excellent food for thought on the problem of the survey aimed at documentation.   Let's start immediately by pointing out that the survey of any building cannot be done by those who are unable to "read" the building from a historical, structural, compositional, economic, etc. point of view. All this cannot be done within a single discipline, due to the lack of time and skills, but requires coordination of the programs of the degree course, in which the survey is carried out. It should not be forgotten that the survey of the architectural heritage is part of the activities of the architectural sector, for which Directive 85/384 / EEC provides for at least 4 years of full-time study training and it seems superfluous to underline that by training we mean the study in the laboratory, where the student works under the assistance of experts from the various disciplinary sectors and is put in a position to supply a product that can be sold on the professional market. The student who carried out the preliminary investigation and the first survey of the Mother Church of Cisternino, carried out the work in the laboratory but with the assistance of only the photogrammetric survey professor of architecture and exceeding the time provided by the training credits for this discipline . .

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