All the objects on the map carry a history. If you simply blow them away that history is lost as well. So the best way would be to modify those objects. That's a lot harder to automate though.
Jo 2011/1/28 yvecai <[email protected]> > On 28. 01. 11 21:25, Andrew Guertin wrote: > >> First, some background. The University keeps quite a bit of very >> detailed geospatial and other data about the campus, as you might >> expect. However, this data is spread around various departments, >> databases and non-database files, and formats. By far the largest >> problem for the web team working on our new map is collecting this data >> and getting access to it in such a way that we can keep it up to date. >> Any technological implementation issues, in whatever framework we decide >> to use, are comparatively minor. >> >> However, assuming we have the data issues worked out, we do need an >> implementation. Our most likely choice for this (mostly at my urging) is >> OpenLayers with an OpenStreetMap base layer. To do this, we need to get >> the data into the OpenStreetMap database. >> > This is a good thing to do. > However, and additionally you can also choose to set-up your very own > database. And this could also be something useful for avoiding your data > collection issue in the future, and a great tool for the University > administration. > > What are our options in the case someone adds valid data that we don't >> want displayed on our base map tiles? >> For example, suppose someone adds every single emergency phone >> (http://wiki.openstreetmap.org/wiki/Tag:emergency%3Dphone) on campus to >> OSM (there are a lot), but we'd prefer to have that data in an overlay >> on our map so it can be turned on and off. Would we be forced to render >> our own tiles? >> > Here the answer is certainly render your own tiles. Or make an overlay > layer that completely cover the osm basemap within university limits. > > Yves > > > > > _______________________________________________ > talk mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk >
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