Colin Geoweb Guru at url http://www.equal-area-maps.com/howto.php shows how to create Equal Area maps. It shows various mapping projection with Openlayers. This might interest you.
See also http://www.geowebguru.com/articles/242-polar-maps-and-projections-part-1-overview http://www.equal-area-maps.com/polar/index.php where there is a link to an example map with Azimuthal equidistant. Pierre Béland Colin McGregor , 2011-12-12 09:23:46 Last Saturday I was at a party co-hosted by Richard Weait (thanks), where the topic of maps for amateur radio use came up. A topic that has been of interest to me is amateur radio and disaster response. So, I am looking for software that will generate two maps from Open Street Map data: - An azimuthal equidistant projection map for any arbitrary latitude / longitude - A day and night map (ie: what parts of the world are CURRENTLY in sunshine / darkness)
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