Hi, Thanks for ur quick reply
what i understand from ur mail is that getDirection may not help me. Also can u tell me how to create own database for a region (my kml file) containing all roads information . Regards, Rahul M On Sep 20, 12:11 pm, Andrew Leach <[email protected]> wrote: > On Sep 20, 11:54 am, Rahul Mehta <[email protected]> wrote: > > > something;to show that the congestion has decreased. > > so what are the ways it can be done? > > how can we display roads in different colors and how can we > > dynamically change road colors? > > > do we have to maintain a DB for storing lat and lang of roads for > > drawing polylines? > > or is there a simpler way? > > Is this related to your earlier > post?http://groups.google.com/group/google-maps-api/browse_thread/thread/c... > > You might look at getting directions between the change points, and > drawing the directions route line yourself using the line-width and > colour you need. If you draw the line yourself you are within the > Terms, although you will need to be careful of the number and rate of > requests you make. I have an example here of getting multiple > directions:http://www.acleach.me.uk/gmaps/multi-distance.htm(that > starts from a central point, but demonstrates the rate-limiting). > > As well as the risk of running into limits, using directions also runs > the risk that if your change-points are not close enough together, > Google's route between them may not be what you expect. > > The best method is to maintain your own database and create custom > tiles you can overlay on the map. -- You received this message because you are subscribed to the Google Groups "Google Maps API V2" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-maps-api?hl=en.
