XVIIIth Congress: Commission VI

Kraus, Karl; Waldhäusl, Peter

Bibliographic data

Multivolume work

Persistent identifier:: 1667435949

Title:: XVIIIth Congress

Sub title:: Vienna, Austria 1996

Year of publication:: 1996

Place of publication:: Vienna

Publisher of the original:: Austrian Society of Surveying and Geoinformation

Identifier (digital):: 1667435949

Language:: English

Editor:: Kraus, Karl; Waldhäusl, Peter

Corporations:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing

Adapter:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing

Founder of work:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing

Other corporate:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing

Document type:: Multivolume work

Volume

Persistent identifier:: 1677550198

Title:: Commission VI

Scope:: 149, 110, 92 Seiten

Year of publication:: 1996

Place of publication:: Vienna

Publisher of the original:: Austrian Society of Surveying and Geoinformation

Identifier (digital):: 1677550198

Illustration:: Illustrationen, Diagramme

Signature of the source:: ZS 312(31,B6)

Language:: English

Additional Notes:: Die Vorlage enthält insgesamt 3 Werke: Commission VI (Seiten 1-149); National reports (Seiten 1-110); Special sessions (Seiten 1-92)

Other Title:: Enthaltendes Werk: National Reports; Enthaltendes Werk: Special sessions

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

Editor:: Kraus, Karl; Waldhäusl, Peter

Corporations:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Economic, Professional, and Educational Aspects of Photogrammetry and Remote Sensing

Adapter:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Economic, Professional, and Educational Aspects of Photogrammetry and Remote Sensing

Founder of work:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Economic, Professional, and Educational Aspects of Photogrammetry and Remote Sensing

Other corporate:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Economic, Professional, and Educational Aspects of Photogrammetry and Remote Sensing

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:: National Reports

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: AUSTRIA NATIONAL REPORT

Document type:: Multivolume work

Structure type:: Chapter

AUSTRIA NATIONAL REPORT Presented by the national delegates G. Brandstätter (Universities), E. Höflinger (Private Sector) and R. Kilga (Federal Offices) PREFACE: In Austria, several institutions are working within the ISPRS scope. According to their objectives they may be classified into federal offices, administrations of federal provinces, municipal authorities, research institutes, universities and private enterprises. In order to give a clear picture of their activities the following report is primarily structured with respect to the institutions and, if necessary, subdivided with regard to the classification of ISPRS commissions. Of course, federal offices are of major importance because of their responsibility for the whole state. Sometimes however, the work of smaller institutions is of more interest because they perform typical applications according to their special tasks. Both aims, overall map production dedicated to various problems based on photogrammetry and remote sensing, and special applications in the various fields of far- to close-range techniques, will be mentioned in the following report. A. FEDERAL OFFICES Federal Office of Metrology and Surveying 1 Aerial surveying flight operations (Com. I) 1.1 Flights with infrared colour positive film Each year, some 8,000 to 10,000 aerial images with infrared colour material are taken to deal with two clearly-defined problems: 1. Compilation of the digital cadastral map and . consolidation of the digital terrain model of Austria. The images have an average scale of 1:15,000 and were obtained with an end lap of 80 96. The individual flight blocks have an area of approx. 600 km?. The individual flight strips have an average length of 30 km. After the flight these are separated into two sets, the first being used for photogram- metric compilation and the second for the inter- pretation of land use and land cover on site. 2. The Austrian forest inventory status. The images have a mean scale of 1:7,000 and are obtained with 60 % end lap. They are used for the interpretation and mapping of the forest status. 1.2 Flights with colour positive film These images serve mainly for cadastral com- pilations at a scale of 1:10,000. The annual pro- duction is some 1,000 aerial photos. 1.3 Flights with PAN film Aerial photos with a mean scale of 1:30,000 are produced in pin point flight for the updating of the 1:50,000 topographic map based on 1:25,000 ortho- photos. The flight pattern corresponds to the sheet line system of the Austrian 1:10,000 aerial photo map with a strip spacing of 5 km and a base length of 2.5 km. Some 1,600 to 2,000 photos are taken annually for this purpose. These aerial photos also serve as the basis for the production of ortho- photos at a scale of 1:10,000 for the Austrian aerial photo map. 1 International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B6. Vienna 1996 1.4 Equipment The office manages two aircrafts equipped for surveying flights (Beechcraft Super King Air 200 and Pilatus Turbo Porter PC6) with a total of three aerial camera systems (1 RC30 and 2 RC10 of Wild). They may be equipped with lenses of 15 cm, 21 cm and 30 cm focal lengths. The cameras type RC30 or RC10 are installed alternately in the King Air 200, while one type RC10 aerial camera is installed in the second aircraft. Between 1995 and 1996 the King Air 200 was fitted with a GPS-supported navigation system coupled with the autopilot, as well as the Leica ASCOT flight management system. Both systems will be in operation in the 1996 flying season. Differential GPS methods will be used for the determination of the projection centres in aerotriangulation. This should ensure a considerable reduction in the necessary control points. In addition, GPS-sup- ported approaching procedures to the photo area should reduce navigation times to a minimum. A GPS receiver has been in use in the Pilatus Porter surveying aircraft since 1992, thus con- siderably increasing the daily flight capacity of this aircraft due to the reduced approach times to flight lines. : 2 Data recording and processing (Com. Il/IV) 2.1 Aerotriangulation and block adjustment Annually, some 30 flight blocks with an average of 200 models at scales ranging from 1:7,000 to 1:15,000 are aerotriangulated. The preliminary work (control point identification, selection of new points) is carried out on Wild PUGx point transfer devices. The PAT-MR program has been used for block adjustment since 1990. From 1996 the PAT-B/GPS program will be used in connection with GPS measurements of the projection centres.

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fullscreen: Commission VI (Part B6)

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