Series cartographic database and geographic information produced in Spain

Abstract

Making or updating the National cartography of a country requires a well “in deep” analysis of any option available and to take advantage and knowledge of other cartography producers, in the technique and esthetic sense. In the Instituto Geográfico Nacional of Spain we do have a great range of basic and derived cartography from 1:25.000 scale to lesser ones as 1:8.000.000. In some series we have a duality between the Geographic Information Database and the map version, or the cartographic version. In this sense, we retain half the resolution in the database, this means that BTN25 (National Topographic Database 1:25.000) have 1:10.000 resolution (approximately) and BTN100 (National Topographic database 1:100.000) is the geometrical support of the Province Maps 1:200.000. However, due to the lifecycle of smaller scales, for instance 1:1.000.000, a shorter updating period is needed than in greater ones that should be taken into account, as much as can, although this can be done only in the semantic part of the geographical object.

Revista Ciencias Espaciales, Volumen 8, Número 1 Primavera, 2015; 491-508