Map projections

For maps larger then city maps, choosing an adequate projection is essential. Probably, it won't be possible to work with one standard projection. Instead, for each map the type of projection will depend on what should be mapped.

Links

 * http://www.mapref.org/ -- A lot of docu.
 * http://www.mapref.org/LinkedDocuments/voser2003_mp_layman_txt.pdf -- A comprehensive introduction and a good overview on differnt kinds of projetions and their properies.
 * http://en.wikipedia.org/wiki/Category:Cartographic_projections -- Overview, get more details in the listed articles. You also will find the mapping equations for the most important projections.