Techniques for making thematic maps

Abstract

The object of thematic maps is the representation and description of one or several phenomena in association with topological elements. Examples of topics dealt with Geological maps, vegetation maps, Hydro logical maps, pedagogical maps, Agrarian structural maps, Bathymetric maps, Bio climatic maps, Forestry inventory maps and Meteorological maps. This sampling taken from the domain of the earth sciences is, by no means restrictive, and it is possible to visualize a very large number of other topics from other sciences, such as Economics, production of raw material, manufactured goods, agricultural products, livestock, etc. every map contains topographical elements which are its essential purpose and intended to give a geometric description of the terrain.