VIIIth International Congress of Photogrammetry: Reprints of papers

Fagerholm, P. O.; Lycken, L. E.; Thunberg, A.; Öhlin, K. A.

Bibliographic data

Multivolume work

Persistent identifier:: 1048861678

Title:: VIIIth International Congress of Photogrammetry

Sub title:: Stockholm, Sweden, July 17 - 26, 1956

Type of content:: Konferenzschrift

Info on language/writing:: Beiträge teilweise deutsch

Year of publication:: 1957

Place of publication:: Stockholm

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1048861678

Reihe:: International archives of photogrammetry (12)

Language:: English

Other Title:: Paralleltitel: VIIIe Congrès International de Photogrammétrie

Editor:: Fagerholm, P. O.

Editor:: Board of the VIIIth International Congress of Photogrammetry

Author:: International Congress of Photogrammetry, 8.; 1956; Stockholm

Document type:: Multivolume work

Volume

Persistent identifier:: 1048998053

Title:: Reprints of papers

Sub title:: VIIIe Congrès International de Photogrammétrie

Scope:: circa 1040 Seiten in verschiedenen Seitenzählungen

Type of content:: Konferenzschrift

DOI:: 10.14463/GBV:1048998053

Year of publication:: 1957

Place of publication:: Stockholm

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1048998053

Illustration:: Illustrationen

Reihe:: International archives of photogrammetry (12,4b)

Signature of the source:: ZS 312(12,4b)

Language:: French

Other Title:: Tirages a part

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Contributor:: Lycken, L. E.; Thunberg, A.; Öhlin, K. A.

Editor:: Fagerholm, P. O.

Editor:: Board of the VIIIth International Congress of Photogrammetry

Author:: International Congress of Photogrammetry, 8.; 1956; Stockholm

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2019

Document type:: Volume

Collection:: Earth sciences

Section

Title:: [Commission IV]

Write comment:: Nicht alle Vorträge enthalten

Document type:: Multivolume work

Structure type:: Section

Section

Title:: CHECKING METHODS FOR PHOTOGRAMMETRIC MAPS by Dr. Gian Piero LE DIVELEC [...]

Document type:: Multivolume work

Structure type:: Section

] Ti ln TSA CHECKING METHODS FOR PHOTOGRAMMETRIC MAPS by Dr. Gian Piero LE DIVELEC Director of E.L.R.A. Ltd. - Florence (Italy) 1. Methods of checking. I. 1. Necessity of checking. We have some reasons for which, assuming equal conditions of accuracy and details, photogrammetric surveys are economically convenient. Such a convenience is, for a great part, given by the possibility of an organisation of work, based on a subdivision and a specialization, and by the possibility of doing the largest part of work in a laboratory rather than in the fields, in other words by the possibility of industrializing the topographic work. The stages of a photogramme- tric survey are independent, though all contribute to the final result. The accuracy of each step determine the final accuracy of the map, and therefore it is necessary to arrange in advance and check the good realization of each of the elementary operations in order to allow the industrial organisation of the execution and proceed surely towards the final result. Then we need some criterion to judge the influence of each operation on the final result and estimate if each operation has been made with sufficient care. Dr. P. Belfiore has suggested a method to estimate the cost of a certain type of map. Being the topographic map a product on which the burden of workmanship has a greater influence than the burden of raw material, the principal reason of the expense is the time spent by the workers to finish their work. The expenses for the wages and concerning the waste of the instruments are in fact proportional to the time. For a more and more increasing economic convenience of the

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