• Geo Data German Admin
•  Brief Description of the Current Version
•  Data Description
•  Data Specifications of all Database Tables
•  Administrative District Reform in Saxonia
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Geo Data German Admin - Version 13.04 - Latest update on 04 December 2009
The latest important changes

1. Updated telephone preselections on May 2009.
2. Added 3500 new town quarters and justified 4200 coordinates / names.
3. Updated all data base tables with datestamp January 1st. 2009.
4. New database table with the Snow and Wind Load Zones.
5. New database table with Nature Area Classification and Landscapes.

Brief description

The database tables contain geodata of the Federal Republic of Germany with geo referenced towns, municipalities, town quarters and other administrative units, postal codes, telephone preselections and nature areas, landscapes and climatic zones. The data contain coordinates for navigation and geo-coding, proximity searches and distance computations and are prepered for the spatial mapping of environmental information. The information is available in different database tables, witch can be linked together by included keys.

Quite often it is necessary to reference an address field e.g. like town or municipality name, postal code or telephone preselection, to corresponding geographical data and coordinates - a Geo Reference. The geo reference can be used for example to direct a customer to the closest store locations of a retail store chain by doing a proximity search. Another possibility it to determine distances between the different objects of the database tables with the included geo references. With the elevation data from a Digital Elevation Model the ground level height of each place can be determined. Often the knowledge is necessary about affiliations and relationships between data derived from different hierarchies. So it can be determined to which federal state, governmental area or governmental county a town, a postal code or a telephone preselection is associated.

It is possible to assign a variety of natural and scenic information to each town or municipality. The snow and wind load zones are available as local climatic data. In conjunction with the ground level heights they can be used to calculate static loads for the planning of building constuctions.

Data tables with Geo information for the area of the Federal Republic of Germany:
• ORTREF: All Towns and Municipalities with geo references and elevations.
• ORTGEM: All Towns and Municipalities without geo references and elevations.
• ORTTLREF: More then 108.000 Town Quarters with geo references and elevations.
• ORTTLGEM: More then 108.000 Town Quarters without geo references and elevations.
• PLZREF: All Postal Code Areas with geo references and elevations.
• PLZGEM: All Postal Code Areas without geo references and elevations.
• VORWREF: All Telephone Preselection Areas with geo references and elevations.
• VORWGEM: All Telephone Preselection Areas without geo references and elevations.
• KREIS: All Administrative Countys.
• REGBEZ: All Administrative Districts.
• LAND: All Federal States of Germany.
• LANDSCH: Landscapes of all Towns and Municipalities.
• NATRAUM: Nature Area Classifications of all Towns and Municipalities.
• LASTEN: Snow and Wind Load Zones with elevations of all Towns and Municipalities.