VIIIth International Congress of Photogrammetry: National reports

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

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Multivolume work

Persistent identifier:: 1048861678

Title:: VIIIth International Congress of Photogrammetry

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

Year of publication:: 1957

Place of publication:: Stockholm

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1048861678

Language:: English

Other Title:: Paralleltitel: VIIIe Congrès International de Photogrammétrie

Editor:: Fagerholm, P. O.

Corporations:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Adapter:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Founder of work:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Other corporate:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Document type:: Multivolume work

Volume

Persistent identifier:: 1048997537

Title:: National reports

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

Scope:: circa 260 Seiten in verschiedenen Seitenzählungen

Year of publication:: 1957

Place of publication:: Stockholm

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1048997537

Illustration:: Illustrationen

Signature of the source:: ZS 312(12,2)

Language:: French

Other Title:: Paralleltitel: Rapports nationaux

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

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

Editor:: Fagerholm, P. O.

Corporations:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Adapter:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Founder of work:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Other corporate:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

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

Chapter

Title:: Sweden SUMMARY OF PHOTOGRAMMETRIC ACTIVITIES IN SWEDEN IN THE PERIOD 1952 - 1955 G. Galvenius

Document type:: Multivolume work

Structure type:: Chapter

Section

Title:: FOREWORD BY THE DIRECTOR GENERAL OF THE SWEDISH LAND SURVEY BOARD

Document type:: Multivolume work

Structure type:: Section

2 The present task of the Land Survey could be stated schematically in the following way, a) Planning of the land use for agricultural, forestry and urban purposes. b) Division, amalgamation and interchange of land, and determina tion of boundaries of landed estate by means of legal procedures, and land registry. c) Surveying and mapping for the accomplishing of the tasks a) and b) but also preparing of descriptions, reports and minutes concerning the technical, economical and legal aspects of the case, finally also sto ring of the maps and documents in public archives in order to make legal rights safe for the future. The Land Survey is managed by the Land Survey Board in Stock holm, which also supervises the surveying in towns, certain local go vernment units and some urban areas. In every of the 24 provinces of Sweden there is a province surveyor, who is responsible for the land registry and the great archives of maps and documents. The number of maps in those archives is at present about 1.000.000. The executing in stitutions of the Land Survey are 185 organization units, distributed all over Sweden, each of them managed by a district surveyor or a sur veyor at disposal. The Central Office is also an executive institution, located to Stockholm. It is an organization for technical service, espe cially concerning photogrammetry. An essential part of the tasks of the Land Survey is of technical na ture, especially compiling maps. The need of maps for urban planning increased considerabely at the end of the 1940ies and therefore it was necessary rapidly to try to rationalize the mapping work. Photogram- metric methods of mapping at the scales of 1:800, 1:1 000 and 1:2 000 for urban planning therefore were tested for some years. Successively a method was developped at the Central Office, which proved to be well capable of being used. In connection with this work the accuracy of stereoscopic plotting in different stereoautographs was studied. In doing so the dependence between negative scale and plotting accuracy was obtained. Also Ihe costs of separate operations of work from a number of geodetic and photogrammetric mappings at the scale of 1:2 000 were studied. From these investigations was evident that pho togrammetric methods had a satisfying accuracy but also that photo grammetric mapping for urban planning, at the scale mentioned, could be performed 20—30 % cheaper than the corresponding geodetic map ping. In general the photogrammetric methods were also more rapid and required less working-power and field work. During the years 1948—1955 the Central Office prepared maps for urban planning at the scales of 1:800, 1:1 000 and 1:2 000, covering together about 44 000 hectares. That mapping activity is still going on.

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