[OpenLayers-Users] Info on Google Maps Terrain layer (G_PHYSICAL_MAP)

[Erik Uzureau]

Arnd, do you think you could get some contact info for Dave Overstrom?
It would be nice to get this patch into trunk.

Erik

On 2/22/08, Arnd Wippermann <arnd.wippermann at web.de> wrote:
>
> Hi Dave,
>
> great patch. I have applied the patch and tested with Google Maps Version
> 2.93. It seems to work.
>
> MfG
> Arnd Wippermann
> http://gis.ibbeck.de/ginfo/
>
>
>
> overstdr wrote:
> >
> >
> > Christopher Schmidt-4 wrote:
> >>
> >> On Wed, Dec 12, 2007 at 11:03:34PM +0100, Arnd Wippermann wrote:
> >>> Hi,
> >>>
> >>> Google Maps have a new layer
> >>> (http://googlemapsapi.blogspot.com/2007/12/v294-terrain-and-new-maptypecontr
> >>> ol-to.html). With API 2.93 you can request a terrain layer. Looks quite
> >>> good. I have tested it with OpenLayers. But now with API 2.93 the
> >>> flickering
> >>> while panning is returned.
> >>
> >> Yep. There is no API method for what we abuse the Google Maps API to do,
> >> so we're tied to the version of Google Maps that I was able to find
> >> already reverse engineered -- specifically, the version used by MapBuzz.
> >>
> >> It would be nice if Google could provide a method to do what we
> >> currently hack, or something providing similar functionality:
> >>
> >> http://trac.openlayers.org/browser/trunk/openlayers/lib/OpenLayers/Layer/Google.js#L346
> >>
> >> Until then, we're going to be stuck with the single version of the
> >> Google Maps API.
> >>
> >> Regards,
> >> --
> >> Christopher Schmidt
> >> MetaCarta
> >> _______________________________________________
> >> Users mailing list
> >> Users at openlayers.org
> >> http://openlayers.org/mailman/listinfo/users
> >>
> >>
> >
> >
> > Hi,
> >
> > I think I have found another "hack" that solves the flickering panning
> > problem with v 2.93...below are the changes I have made to
> > OpenLayers.Layer.Google.js:
> >
> > Line 123:
> >             //can we do smooth panning? (some versions don't) (overstdr:
> > modified to handle 2.93)
> >             if ( !this.mapObject.G || (!this.mapObject.G.qb &&
> > !this.mapObject.G.vb) ||
> >                  (typeof this.mapObject.G.qb != "function" && typeof
> > this.mapObject.G.vb != "function")) {
> >                 this.dragPanMapObject = null;
> >             }
> >
> > LINE 358:
> > dragPanMapObject: function(dX, dY) {
> >         var newX = this.mapObject.G.left - dX;
> >         var newY = this.mapObject.G.top + dY;
> >         if(this.mapObject.G.qb) {
> >               this.mapObject.G.qb(newX, newY);
> >         } else if(this.mapObject.G.vb) {
> >               this.mapObject.G.vb(newX, newY);
> >         }
> >     }
> >
> > As you can see the main change I made was just to check if G.vb exists
> > instead of G.qb...it appears 2.93 uses .vb rather than .qb...Definately
> > test before using...i still need to apply to become a developer for
> > OpenLayers, so I havent posted this ticket/fix to CVS.
> >
> > Regards,
> >
> > Dave Overstrom
> > Terra Solutions Group, LLC
> >
>
> --
> View this message in context: http://www.nabble.com/Info-on-Google-Maps-Terrain-layer-%28G_PHYSICAL_MAP%29-tp14305053p15641291.html
> Sent from the OpenLayers Users mailing list archive at Nabble.com.
>
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>