> I want to represent the data such that a user can pan and zoom a map > around smoothly (25+ fps) without pre-rendering tile images. > Especially on devices like the iphone, that would be really nice. > > The only data structure I can think of to do something like this would > be a quad tree with internal nodes containing data at particular > detail levels. (So that for a fixed size view you never have to > inspect more than a fixed number of quad tree nodes). > > Basically, it would look the same as the current tile set; but > prerendered tile images would be replaced with node&way lists listing > the data the corresponding tile shows. > > Has anyone written a program like this; either with that sort of data > format or solving that problem? > > Sounds great! Can't wait to see your finished work.
Cheers, Chris _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
