Thanks larry and rossko! I will look into this asynchronous thing. -vishal garg
On Wed, Nov 16, 2011 at 12:30 AM, Rossko <ros...@culzean.clara.co.uk> wrote: >> what does asynchronous imply here? > > Description > http://econym.org.uk/gmap/async.htm > Implication, you can't use results until after they have returned > > Cross-posted in v3 group >> You can access the code at >> http://web.iiit.ac.in/~vishal.gargug08/test/index.php > > You have > dirn1.loadFromWaypoints([p11.toUrlValue(6),p11.toUrlValue(6)], > {getPolyline:true}); > dirn2.loadFromWaypoints([p22.toUrlValue(6),p22.toUrlValue(6)], > {getPolyline:true}); > These only fire off requests to Google's servers, without waiting for > a response. So dirn1 fires, followed by dirn2, and then whatever code > comes next - but results are not yet available. > > Note that there are speed limits on the rate at which you can fire > requests, to prevent abuse. Firing multiple requests is likely to > fail. Search this group for handling multiple requests, or > http://econym.org.uk/gmap/geomulti.htm > > > var p1 = dirn1.getPolyline().getVertex(0); > There is no polyline yet. If you want to do something with the > results from the requests, you need to listen for when they available > by setting up a 'load' event listener and using the results only in > the callback. > http://econym.org.uk/gmap/steps.htm > > -- > 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 google-maps-api@googlegroups.com. > To unsubscribe from this group, send email to > google-maps-api+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-maps-api?hl=en. > > -- 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 google-maps-api@googlegroups.com. To unsubscribe from this group, send email to google-maps-api+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-maps-api?hl=en.
