Frederik Ramm wrote: > Hi, > > Peter Dörrie wrote: > > The current renderes wouldn't be able to handle it either and forcing 50+ > > applications to change would be unappropriate. > > Why, we're doing that all the time ;-) > > There are many unsolved questions here. For example: What happens if > parts of the "ancient" world transcend your "fourth dimension", e.g. a > contemporary secondary road uses a few bits of an ancient Roman road. > They would surely share the same nodes, wouldn't they? But if someone > then deletes the secondary road (which he downloaded without ever > knowing that the Roman road also exists because that was shielded from > him), he must not delete the nodes because they are still used by other > objects... >
No... in the temporal database you don't delete nodes or ways, you set the correct "used in" period ;) But it opens a large can of worms if you are looking at temporal information. All SciFi books can tell you that. Maarten _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk