2009/10/1 Tobias Knerr <[email protected]>: > Pieren wrote: >> I never understood people who wants to have wikipedia urls in OSM >> data. It is not OSM role to point to wikipedia articles but wikipedia >> to point to OSM geodata. And this has to be done through lat/lon >> coordinates. > > lat/lon coordinates aren't an ideal solution for this. Imagine some live > rendering (using JavaScript, Flash or whatever). The programmer wants to > add the following features: > - different color for buildings with Wikipedia article > - mouseover highlighting of buildings > - clicking on highlighted building opens Wikipedia article > Can the programmer do that with lat/lon? No. Because lat/lon doesn't > offer a connection between an article and a certain OSM primitive. > Similarly, in a map with icons for POIs, you will need to add additional > icons for Wikipedia links, so you will end up with two icons for the > same POI. And so on.
and you can have very big features (e.g. an extreme: atlantic ocean), or strangely shaped ones, where coordinates won't do the job (unless you give much more than just 1 pair), because the "center" would be off the object. cheers, Martin _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
