Molnár, G. and Timár, G. (2009) Mosaicking of the 1:75 000 sheets of the Third Military Survey of the Habsburg Empire. Acta Geodaetica et Geophysica Hungarica, 44 (1). pp. 115-120. ISSN 1217-8977
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Abstract
The original map sheets of the Third Military Survey of the Austro-Hungarian Monarchy cannot be mosaicked in their original, printed form because of their uneven trapezoid format. To make a digitized raster mosaic of the individual sheets, they all should be georeferenced. Instead of the original projections, which vary from sheet to sheet, a series of sinusoid projections was defined, one unique projection for each sheet columns. The sinusoid projection provides an appropriate approximation of the original trapezoid forms and size of the sheets. Each sheet were rectified in the respective projection then reprojected to a general conic projection, defined for the final mosaic. After all of those transformations, the transformed digital content of the sheets fits to each other well enough to make a geo-referred mosaic. The location parameters of the geodetic datum used for transformation to modern projection systems are the followings: dX = +600 m; dY = +205 m; dZ = +437 m. These figures gives exact fit at the fundamental point of Hermannskogel. Because of the not unified geodetic adjustment of the original base point system, using one unified datum causes a maximum error of 220 meters throughout the whole territory of the Monarchy and the adjacent area on the maps.
Item Type: | Article |
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Subjects: | Q Science / természettudomány > QE Geology / földtudományok > QE01 Geophysics / geofizika |
Depositing User: | Endre Sarvay |
Date Deposited: | 22 Jul 2018 17:12 |
Last Modified: | 08 Sep 2018 10:02 |
URI: | http://real.mtak.hu/id/eprint/82177 |
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