I think that you need to add
google.maps.OverlayView.call(this) in the constructor of "MyOverlay" before
you call this.setMap(map)
Ahmet
----- Original Message -----
From: "midimid" <[email protected]>
To: "Google Maps JavaScript API v3" <[email protected]>
Sent: Thursday, March 11, 2010 4:05 PM
Subject: [Google Maps API v3] Re: Parallel lines for v3 API?
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
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