<https://lh3.googleusercontent.com/-WFE5h8tEjhA/WU5Pnea_3bI/AAAAAAAAOu8/plStzwkLvHUWqKp83X-5pnDLnb0EJXnFACLcBGAs/s1600/1.JPG> i have the same exact problem , but your code is in jquery and mine is pure Javascript , so can i get some help here..!
On Thursday, 23 September 2010 08:39:44 UTC+5:30, bmcf wrote: > > Thanks, Larry, that works. To answer your question, I didn't know that > setting the route index was sufficient to have the alternate path > rendered. Thank you for pointing that out to me. > > Brian > > On Sep 21, 1:37 pm, "geocode...@gmail.com" <geocode...@gmail.com> > wrote: > > On Sep 21, 1:03 pm, bmcf <brian.mcf...@gmail.com> wrote: > > > > > Larry, > > > > > My example is here: > > > > >http://www.brianmcfann.com/examples/example.htm > > > > > I am setting the route index directly by assigning to > > > directionsDisplay.routeIndex rather than calling > > > directionsDisplay.setRouteIndex() because the latter seems not to work > > > when I use a variable or function that resolves to a number (perhaps I > > > am not understanding something about how javascript and/or jquery > > > works in this context). Also, in my experiments, it seems that > > > setRouteIndex() will only set the index once and will cause the script > > > to fail if I try to reset it. > > > > Why are you rendering the directions again after setting the > > routeIndex? That sets it back to 0 (I suspect). > > > > If I comment out this line in the renderDirections alternate-route > > change function: > > // renderDirections(directionsDisplay.directions); > > > > this works: > > directionsDisplay.setRouteIndex(parseInt($('#alternate- > > route').attr('value'))); > > (it doesn't like it if I leave out the "parseInt"...) > > > > -- Larry > > > > > > > > > > > > > Thanks, > > > > > Brian > > > > > On Sep 21, 11:03 am, "geocode...@gmail.com" <geocode...@gmail.com> > > > wrote: > > > > > > On Sep 21, 10:19 am, bmcf <brian.mcf...@gmail.com> wrote: > > > > > > > No, I am using the DirectionsRenderer to display the routes on the > > > > > map, but I am handling the display of instuctions with my own > > > > > function. The basic problem seems to be that calling > setRouteIndex(1) > > > > > or setRouteIndex(2) on the DirectionsRenderer object before > calling > > > > > setDirections(result) has no effect -- the DirectionsRenderer > still > > > > > renders route 0 on the map, even though calling getRouteIndex > shows > > > > > that the route index has been set to 1 or 2 rather than 0. I am > able > > > > > to display the instructions for the alternate paths by accessing > the > > > > > alternate routes in the result object, but I can't get > > > > > DirectionsRenderer to render the alternate paths on the map. > > > > > > Do you have an example that you can post a link to where it isn't > > > > working? > > > > > > Seems to work for me. > > > > > > -- Larry > > > > > > > Your answer will be helpful if I have to resort to rendering the > paths > > > > > on the map myself. > > > > > > > On Sep 21, 3:33 am, stu <s...@hybridweb.co.nz> wrote: > > > > > > > > Hi > > > > > > I'd guess that if you are rendering the results to the map > yourself, > > > > > > that you can't then use DirectionsRenderer to get to routes. > > > > > > > > I presume you are getting the results object and either using > the > > > > > > overview_path or going through the legs, steps etc to build the > > > > > > polyline, > > > > > > In that case you *can* use the result object which has an array > of the > > > > > > routes (as long as the DirectionsRequest has > provideRouteAlternatives > > > > > > set to true) > > > > > > if your DirectionsRequest result is called directionsResult, > then you > > > > > > just ask for the routes like > > > > > > directionsResult.routes[n] where n is the index for one of the > > > > > > routes. > > > > > > > > To get your basic polyline path for route number 2: > > > > > > directionsResult.routes[1].overview_path > > > > > > > > Does that help? > > > > > > ...stu > > > > > > > > On Sep 21, 2:52 pm, bmcf <brian.mcf...@gmail.com> wrote: > > > > > > > > > I should have made it clear that I am not using the .setPanel > method > > > > > > > on the DirectionsRenderer, I am trying to handle the display > of > > > > > > > directions with my own function. > > > > > > > > > On Sep 20, 2:31 am, bmcf <brian.mcf...@gmail.com> wrote: > > > > > > > > > > I would like to have the map show alternate routes on > demand. It > > > > > > > > initially shows the first route in the "result" by default > (there are > > > > > > > > three routes). I tried calling .setRouteIndex(1) and > > > > > > > > then .setDirections(result) on the DirectionsRenderer object > but the > > > > > > > > second route was not rendered on the map. Is this not the > way to do > > > > > > > > it? > > > > > > > > > > Thanks.- Hide quoted text - > > > > > > > > - Show quoted text -- Hide quoted text - > > > > > > > - Show quoted text -- Hide quoted text - > > > > > > - Show quoted text -- Hide quoted text - > > > > > - Show quoted text -- Hide quoted text - > > > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-maps-js-api-v3+unsubscr...@googlegroups.com. To post to this group, send email to google-maps-js-api-v3@googlegroups.com. Visit this group at https://groups.google.com/group/google-maps-js-api-v3. For more options, visit https://groups.google.com/d/optout.
