Projections are not available until the onAdd method of the overlay has been called. Since you are calling getProjection() immediately, it isn't available yet.
Chad Killingsworth On Mar 11, 3:05 pm, midimid <[email protected]> wrote: > For example - just tried this code, and while the variable overview is > correct, the variable projection is undefined: > > var mapCenter = new google.maps.LatLng(38.43, -98.17); > var myOptions = { > zoom: 5, > center: mapCenter, > mapTypeId: google.maps.MapTypeId.ROADMAP}; > > map = new google.maps.Map(document.getElementById("map_canvas"), > myOptions); > var overlay = new MyOverlay(map); > var projection = overlay.getProjection(); > > ----------------------------------- > MyOverlay.js: > MyOverlay.prototype = new google.maps.OverlayView(); > MyOverlay.prototype.onAdd = function() { } > MyOverlay.prototype.onRemove = function() { } > MyOverlay.prototype.draw = function() { } > function MyOverlay(map) { this.setMap(map); } > ----------------------------------- > > On Mar 11, 3:28 pm, midimid <[email protected]> wrote: > > > What I'm particularly not understanding as I rewrite this is how to > > use the fromLatLngToPixel() method. How do I get the projection object > > from my map so that I can use that function? My testing around using > > the MercatorProjection example on the v3 docs was an epic fail (no > > zoom input?) and I'm seeing alot of posts on the groups making me go > > in circles with the OverlayView class, but no real solid answer on how > > to get access to the Projection object. > > > On Mar 11, 12:27 pm, Brak <[email protected]> wrote: > > > > The following pages should have everything you'll need to convert or > > > update the existing code to v3. > > > >http://code.google.com/apis/maps/documentation/v3/basics.htmlhttp://c... > > > > The main difference I've noticed is things are more heirarchic and > > > object like now. So instead of GPoint and GLatLng as standalone > > > functions, they are now methods of google.maps. So they'd be > > > represented like google.maps.Point() and google.maps.LatLng(). It > > > should be fairly straightforward. > > > > Of course if you have any specific questions about stuff that's giving > > > trouble or doesn't makes sense, you can ask in this group. Be sure to > > > include links and/or examples too. > > > > On Mar 11, 12:19 pm, midimid <[email protected]> wrote: > > > > > Unfortunately I'm a bit new to this and it uses some functionality > > > > that I haven't even learned in the v3 API. > > > > > On Mar 11, 2:24 am, String <[email protected]> wrote: > > > > > > On Mar 9, 10:47 pm, midimid <[email protected]> wrote: > > > > > > > Was looking to use this, but it uses the v2 API. Anyone have > > > > > > something > > > > > > similar for v3? > > > > > > Bill gives the source code right from that page, and on a cursory > > > > > inspection I don't see anything there that wouldn't be doable in v3. > > > > > So I'd say go ahead and translate it. > > > > > > String -- 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.
