Thanks, I will try that.
On Jun 30, 12:03 am, "[email protected]" <[email protected]> wrote: > On Jun 29, 8:31 pm, jayjayc <[email protected]> wrote: > > > > > > > I have updated the code to add some more features, and to make it more > > reliable. The geocoder now runs in a seperate function with local > > variables, so now I can accuratly label the tool tips for each marker. > > > The problem I have now is an expected one, when trying to map multiple > > points (>5) occasionally some of the markers do not display. > > > For instance, if you go to the follow page and keep hitting refresh, > > sometimes some of the points will not > > display:http://sharepoint.advancedtelesystems.com/public/Downloads/MapIntegra... > > title&address1=5 institute rd worcester ma&title1=test title > > 1&address2=10 teakwood dr coventry ri&title2=test title2&address3=92 > > broad st providence ri&title3=test title 3&address4=7 tiogue ave > > coventry ri&title4=test title 4 > > > Since performance is not really a factor here, is there something I > > can do to ensure that all the points load even if it takes several > > seconds? > > > I understand the limitation with the geocoder, can someone help > > You need to add error handling to the geocoder. The .getLatLng method > doesn't return and error code, it returns null and doesn't tell you > why. The .getLocations method will return multiple locations (the > first of which is the one that would have been returned by .getLatLng) > and an error code. If you get a TOO_MANY_QUERIES error code, delay > for some period of time, then try again. A couple of examples from > Mike Williams' tutorial: > Part 16 Geocoding with error handlinghttp://econym.org.uk/gmap/geo.htm > and > Part 17 Geocoding multiple addresseshttp://econym.org.uk/gmap/geomulti.htm > > -- Larry > > > > > > > On Jun 29, 4:33 pm, jayjayc <[email protected]> wrote: > > > > Thank you all for the replys. > > > > I updated the code to include a check to verify the last point has > > > been coded, as suggested by Andrew. It appears to be working. I have > > > only tested it with 6 locations, and it is working. I may include a > > > little message that says something like 'points loading'. > > > > I am aware that this is not the best method for a large number of > > > points. I plan on adding some code that will cache the long and lats > > > for future use. Currently the most this would need to handle is > > > around 15. I plan to use the HTTP geocoder to load the position > > > information of a site the first time a user opens the database entry. > > > This should put off the load over time. Unfortunately I dont really > > > know how to use JSON information, but I will eventually find out. > > > > On Jun 29, 3:29 pm, Andrew C Leach <[email protected]> wrote: > > > > > On 29 June 2010 19:31, jayjayc <[email protected]> wrote: > > > > > > I am trying to geocode a couple of addresses passed by a url and use > > > > > the MarkerManager to display them. > > > > > > My map will center around the location, but will not place the > > > > > marker(s). > > > > > > Here is a copy with a single address as an example: > > > > >http://sharepoint.advancedtelesystems.com/public/Downloads/MapIntegra... > > > > > This is because the geocoder is asynchronous. > > > > > The map is centred because the callback function does that when it > > > > gets the point and pushes the marker on to the array. > > > > > However, the "batch" array is added to the marker manager before the > > > > callback function has been called, so at that point it's empty. When > > > > the geocode result is returned, the map is centred and the marker is > > > > pushed on to the array; but then nothing else happens to the array. > > > > > You need to ensure that everything which needs to happen to geocoder > > > > data happens within the callback function. > > > > > Since you know the length of arr2, you could include a test in your > > > > loop and only action the centring and marker-adding when you're done: > > > > > if (i==arr2.length-1) { > > > > gmap.setCenter(point); > > > > mgr.addMarkers(batch, 13); > > > > mgr.refresh(); > > > > } > > > > > ...but all that needs to go into the callback function, so every time > > > > a result is processed, the code asks "Is this the last one to come > > > > back?" and finishes the map if it is.- 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 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.
