National Maps of Switzerland
Switzerland's National Map is the official topographic map series of Switzerland and is produced and published by the Federal Office of Topography.
Construction of the maps
The maps are based on a schiefachsigen, conformal cylindrical projection ( Mercator projection) with a private Swiss coordinate system ( CH1903 ). All map sheets are fully tracked in a cycle of approximately six years.
1938 began with the issuance of new cards, which should replace the old Dufour and Siegfried cards. They appeared first in the scale of 1:50 000; from 1952 also in the scale of 1:25 '000. In addition, further generalizations were made in smaller scales. Each scale the whole of Switzerland was covered. 1979 was completed with the issuance of the last 25'000er card the work.
The normal map sheets are arranged in a grid moderate. In addition, there are compositions over leaves limits to urban areas around or in tourist areas. Many of the map sheets at a scale of 1:50 '000 is also available as hiking maps ( with highlighted trails ) or ski touring maps.
The Federal Office of Topography is also the following digital products out: National Map 1:25 '000 on DVD ( Swiss Map 25), National Map 1:50 '000 on DVD ( Swiss Map 50) National Map 1:100 000 on CD- ROM ( Swiss Map 100); and for professional applications: digital landscape models as pixel maps for all standards, digital landscape models as vector data based on the National Map 1:25 '000 ( VECTOR25 ) and 1:200 '000 ( VECTOR200 ), digital elevation models with mesh sizes of 25 m ( DHM25 ) and 2 m ( DOM / DTM -AV).
For the Swiss maps of Repère Pierre du Niton applies in the port of Geneva as a starting point for altitude measurements.
Map of Switzerland online
Since 18 August 2010, the whole country maps available free of charge on the Internet. This maps are constructed in different layers. First, the overview map is displayed at a scale of 1:1 million. Purification by zooming with the mouse, the map scale is infinitely enlarged to 1:25 000 `. Several features can be displayed by clicking: ZB the course of roads, trails or bike routes, etc. The cards can be printed in A4 format. It is envisaged that further data can be displayed, such as the locations of mobile antennas, mailing addresses and house numbers of all buildings, including Even today, all the approximately 300 ` 000 names ( place names, geographical names, etc. ) which are listed on the map, accessed from a search. The mid-2009, standing in force Geoinformation Act of the State requires that all geo-information data of the population must be provided, unless the privacy or higher national interests stand in the way. Since the operating costs thanks to open source software are low, the offer is toll- free.
Design for a more vernacular spelling of local names
In 2005, the design for a more detailed dialect spelling of local names ( field names ) was placed on the national map in the consultation. In contrast, oppose many cards users who make maps user.