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September 30, 2005



Cartographic Resistance

OpenStreetMap (OSM) is a project aimed squarely at providing free geographic data such as street maps to anyone who wants them. This is because most maps you might think of as free actually have legal or technical restrictions on their use, holding back people from all walks of life who would like to use a map for one reason or another.

OpenStreetMap is (or is almost) a free editable map of the whole world. It is still being written. OpenStreetMap allows you to view, edit and use geographical data in a collaborative way from anywhere on Earth. It comes in three major flavours: 1. Viewer--allows you to browse a map like any other; 2. Applet Editor--allows you to enter new data in your browser. Streets, points and areas can be entered and given metadata like names and whether cars or bikes can travel on them. You can upload GPS traces you've made and also edit the types of data you associate with the geographical data. You have to log in for this, so that the server can keep track of things; and 3. Home editor--this is for more advanced users who want more flexibility and prefer a dedicated application for editing data. [via]

Posted by jo at September 30, 2005 09:23 AM