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 post to this group, send email to google-maps-js-api...@googlegroups.com. To unsubscribe from this group, send email to google-maps-js-api-v3+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.
