Top50

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With Top50 for is Germany official topographic maps at a scale of 1: 50,000 called that on optical media ( DVD-ROM was available). The editors were the land surveying offices of the federal states.

Top50, currently at version 7.0, is based on the Map Viewer Geogrid Viewer company EADS for Windows as a geographic information system (GIS). This visualizes different map views such as leisure maps, terrain sections or 3D views. Sometimes cards are also available in other scales, e.g. B. 1: 200,000.

Several levels can be defined in which graphical elements are drawn in georeferenced or loaded as vector data from files and placed over Top50 maps. The files with the filename extension OVL are either (with limited functionality) in text format ( ASCII ) or, depending on the Top50 version, in binary, proprietary file format, or are currently implemented in ZIP format based on XML .

The integration of GPS and the import of routes from GPS receivers is also included, as is the export. With the help of a plug-in maps can be transferred to mobile devices.

The data on the Top50 data carriers can also be used in various third-party programs, including a. Include Picopolo and QuoVadis . This means that the use of the map material is not restricted to use in the Geogrid Viewer of the Top50 products.

On the same software basis, there are also Top10 (BW, BY, NW, SN) or Top25 (BW) with a comparable scope of services but different scales of the map material (1: 10,000 or 1: 25,000) in some state survey offices.

Version 5.0 of the Austrian Map ( AMap for short ), now published on DVD-ROM by the Austrian Federal Office for Metrology and Surveying, is based on the same software as the German Top50 maps, the Geogrid Viewer . Because of the integrated, three-dimensional landscape flight, version 4.0 of the product was given the name Austrian Map Fly ( AMap Fly for short ).

Individual evidence

  1. ↑ State Office for Geoinformation and Rural Development Baden-Württemberg: Description Top50 Baden-Württemberg Version 5.0. Archived from the original on October 23, 2014 ; accessed on February 19, 2014 (The website has been completely restructured and is no longer accessible under the old domain. The address of the new main page is: https://www.lgl-bw.de/lgl-internet/opencms/de/index .html ).
  2. ^ Austrian Map Fly 5.0