Generating Schematic Cable Plans Using Springembedder Methods
Lauther, Ulrich and Stübinger, Andreas (2002) Generating Schematic Cable Plans Using Springembedder Methods. In: Graph Drawing 9th International Symposium, GD 2001, September 23-26, 2001, Vienna, Austria , pp. 465-466 (Official URL: http://dx.doi.org/10.1007/3-540-45848-4_48).
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Motivation and Area of Application. For documentation of communication networks like telephon networks normaly there are two different representations: a ground plan showing the exact coordinates of all net elements (man holes, trenches, cables cabinets, exchanges, ...), usually stored and managed in a GIS system, and a schematic plan containing the same information, but drawn in a schematic way, not properly scaled, but in an easier to understand way. Another kind of schematic maps are often used to display connections in a urban public transportation system: the arrangement of train stations shows some similiarity to geographic coordinates, but the main importance is to show an easy to understand drawing of the connection possibilities by using a more orthogonal drawing. In the telecomunication GIS systems it is possible to handle both views of the net: the ground plan, and a schematic plan. However, this implies a high burdon on keeping both plans consistent up to date. Every time a connection is inserted, updated or deleted in the ground plan it has to be re-done in the schematic map, too. Therefore, updateing both plans is a very tedious task and very prone to errors. This burdon is resolved by an automatic schematic map generation algorithm described in this paper. Instead of updating two different views in lockstep, only one map, the ground plan, is updated manually. The schematic map then is generated automaticly by SCHEMAP.
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