On Apr 23, 1:06 pm, stevensj2 <[email protected]> wrote: > Hi, > > I'm working on a project where I will be interpolating isolines for > approximate drive times to various locations in the US from a defined > point. > > I've done this locally, physically clicking the map to acquire the lat/ > lon of numerous points and the time it takes to drive to each of them. > > I'm now scaling my project to a larger geographical extent, and the > number of points has increased to a number (about 1000) that is beyond > clicking and writing down. > > What I would like to do is the following: > - Create a "control" point at a fixed location (done) > - Generate 1000 points at random locations within the bounds of my map > (done) > - Create an array or other way to acquire the time to drive from the > control point to each of the 1000 sample points, returning in HTML the > lat, lon, and drive time of each point. > > Creating the actual map has been no problem, but I'm having trouble > determining if this is possible using GDirections and getSummaryHtml > (), or some other method.
Sure it is possible. Just beware, the GDirections class has a quota and a speed limit which will make 1000 GDirections calls take a long time. You could possibly speed up the process somewhat by calling loadFromWaypoints, which allows 25 waypoints per call. See Mike Williams' tutorial for an explanation of the issues: Part 17 Geocoding multiple addresses http://econym.org.uk/gmap/geomulti.htm -- Larry > > Any help or further guidance would be much appreciated. Thanks in > advance! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Maps API" 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 -~----------~----~----~----~------~----~------~--~---
