Thanks alot, this helped a bunch. On Jul 14, 4:06 pm, Mike Williams <[email protected]> wrote: > Wasn't it sbentzen who wrote: > > > > >i heard somewhere that you need at least 18 layers to place polylines? > >i happen to be having problems placing GPolylines on a custom map, > >help? > > Yes. For efficiency, the API performs some of the lat/lng to pixel > calculations of the polylines only once, at zoom level 17, rather than > recalculating them whenever the zoom changes. If you create your custom > map with less than "new GMercatorProjection(18)" that code will crash. > [You need 18 zoom levels, numbered 0 to 17, in order for level 17 to > exist]. > > As it happens, creating extra zoom levels for GProjections takes > extremely negligible amounts of resources, so you might as well use > "new GMercatorProjection(32)" like the Google maptypes do. > > -- > Mike Williamshttp://econym.org.uk/gmap
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