Josh, My understanding is that getPath will return an MVCArray of LatLong elements so there is nothing to decode as they are not encoded to begin with. You can update the path by simply pushing a new element to it and the Polyline will immediately reflect the change.
On Feb 9, 2:37 pm, Josh <[email protected]> wrote: > I tried to pass the "decodedPoints" directly as Sebastian has shown in > his example without success. I don't know if Sebastien was just > showing this as a brief example of the method but, the decoded results > that I get are not setup as LatLng points that I can directly shove in > the "path" property of the Polyline. > > I had to take the result and parse it as a string in order to setup a > new "path" of acceptable LatLng points. Is there an easier way of > creating the Polyline "path" with the decoded result(like in > Sebastian's example which doesn't work for me)? > > Rough code I just used to make the decoded sets acceptable: > > var path = routePath.getPath();//the path of the Polyline already on > the map > var points=new Array(); > decodedSets=google.maps.geometry.encoding.decodePath("encodedpointstobedecoded").toString(); > //get rid of the brackets > decodedSets=decodedSets.replace(/\,\(/gi, ""); > decodedSets=decodedSets.replace(/\(/gi, ""); > > var brokenstring=decodedSets.split(")"); > for(var i in brokenstring){ > if(brokenstring[i].length>1){ > points=brokenstring[i].split(","); > myLatLng = new google.maps.LatLng(points[0],points[1]); > path.push(myLatLng); > } > > } > > On Jan 13, 12:16 pm, Sebastian <[email protected]> wrote: > > > To use a polyline from the Direction Web service, you need the > > google.maps.geometry.encoding.decodePath() function from the geometry > > library. > > > Load the V3 API with: > > > <script type="text/javascript" src="http://maps.google.com/maps/api/js? > > libraries=geometry&sensor=false"> > > </script> > > > Create the map, set markers for start and destination and so on. > > > Replace backslashes '\' in points with '\\', it seems the levels are > > kinda ballast from V2 (?). > > > var encodedPoints = "s}dcFlnchVz@n@vJeVpF}NzMy\\} > > KyI{AoBg@{@wKmWs@wB_AsE_@wEQkLQ}Cy@qE{@kCiBsD{_@_r@qS{\ > > \mBqDoOw^mBwGOqAPyEGsAKu@eBmEOu@Eu@X}DEu@r_@osCjJyi@| > > AiH~B_NxJoe@j[kdBjLwl@rJkh@zG_]jCsOhEe\\`Iur@pBuOjAuLhAsI| > > BcPnCuNhAiEz@_B~@kA| > > AgAnLcDvBmAt@o@dBwBxEwJtI_PzBcDdE_EnVePpg@o]lKsFzJgE`EkCjCqCrB{CvAwCtBmFfAs > > B`DiEdC_CpEkClGgC`EyBrG_ETAdHuDx@YdAKhEb@jB]hAi@{EaOmDqJeEnC" ; > > > var decodedPoints = > > google.maps.geometry.encoding.decodePath(encodedPoints) ; > > > var encodedPolyline = new google.maps.Polyline ( { > > strokeColor: "#970E04" , > > strokeOpacity: 1.0 , > > strokeWeight: 2 , > > path: decodedPoints , > > clickable: false} ); > > > encodedPolyline.setMap(myMap); > > > Done. > > > HTH > > Sebastian > > > On Dec 15 2010, 5:24 am, Christian Zambrano <[email protected]> > > wrote: > > > > The response of a request for direction to the Google Maps Web Service > > > includes encoded polylines in the element overview_polyline. I would like > > > to > > > display these polylines on a Javascript google map V3 but there doesn't > > > seem > > > to be a way. Am I missing something? V2 had GPolyline which accepted > > > encoded > > > Polylines. > > > > Any help would be greatly appreciated. -- 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 [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-js-api-v3?hl=en.
