Hi, OpenLayers.Layer.GoogleNG uses the GMaps API on a lower level, and doesn't switch to the 45° aerial view at high zoom levels. It wouldn't make much sense in 2D maps with overlays.
Andreas. On Jul 25, 2011, at 22:00 , Alessandro Ferrucci wrote: > Hey Thank you that worked. > > I have another question. I'm using google maps v3, when I used > OpenLayers.Layer.Google with a Hybrid layer there were parts of the > country (like Oakland california) where when I zoomed at the lowest > level Google would automatically switch to Arial imagery. > > When I use OpenLayers.Layer.GoogleNG (without switching the google API > js link) this does not occur (google returns tiles in standard Hybrid > top down view). Do you know if OpenLayers is doing something special > to cause this behavrior? > > thanks > Alessandro Ferrucci > > On Sun, Jul 24, 2011 at 5:00 PM, Andreas Hocevar <[email protected]> wrote: >> If you're using OpenLayers trunk from svn, you can use >> OpenLayers.Layer.GoogleNG instead of OpenLayers.Layer.Google. All tiles will >> then move in sync. See http://openlayers.org/dev/examples/google-ng.html for >> an example. >> >> Andreas. >> >> On Jul 24, 2011, at 22:02 , Alessandro Ferrucci wrote: >> >>> I am trying to verify that I don't see this behavior with google maps >>> v2. I switched the google maps script to specify v=2 but I still get >>> the delayed tile dragging. >>> >>> On Sun, Jul 24, 2011 at 3:56 PM, Alessandro Ferrucci >>> <[email protected]> wrote: >>>> I am experiencing the exact same of what this ticket says: >>>> >>>> http://trac.osgeo.org/openlayers/ticket/2929 >>>> >>>> does this mean that currently it's an issue in google maps v3? >>>> >>>> Thanks, >>>> Alessandro Ferrucci >>>> >>>> On Sun, Jul 24, 2011 at 3:50 PM, Alessandro Ferrucci >>>> <[email protected]> wrote: >>>>> Hello, >>>>> I have the following code >>>>> >>>>> var map; >>>>> var projectionWGS84 = new OpenLayers.Projection("EPSG:4326"); >>>>> var projectionMercator = new >>>>> OpenLayers.Projection("EPSG:900913"); >>>>> // Avoid pink error tiles >>>>> OpenLayers.IMAGE_RELOAD_ATTEMPTS = 3; >>>>> OpenLayers.Util.onImageLoadErrorColor = "transparent"; >>>>> >>>>> function init(){ >>>>> var options = { >>>>> projection: new OpenLayers.Projection("EPSG:900913"), >>>>> displayProjection: new >>>>> OpenLayers.Projection("EPSG:4326"), >>>>> units: "m", >>>>> maxResolution: 156543.0339, >>>>> maxExtent: new OpenLayers.Bounds(-20037508, >>>>> -20037508,20037508, 20037508), >>>>> restrictedExtent: new >>>>> OpenLayers.Bounds(-164.88281,5.09094,-41.39648,52.69636).transform(projectionWGS84,projectionMercator), >>>>> controls:[ >>>>> new OpenLayers.Control.Navigation(), >>>>> new OpenLayers.Control.ArgParser(), >>>>> new OpenLayers.Control.Attribution(), >>>>> new OpenLayers.Control.PanZoomBar({ position: >>>>> new OpenLayers.Pixel(2, 15) }), >>>>> new OpenLayers.Control.Scale($('scale')), >>>>> new OpenLayers.Control.LayerSwitcher(), >>>>> new OpenLayers.Control.MousePosition(), >>>>> new OpenLayers.Control.Permalink() >>>>> ] >>>>> }; >>>>> map = new OpenLayers.Map('map',options); >>>>> var googleHibridLayer = new OpenLayers.Layer.Google( >>>>> "Google Hibrid", {type: google.maps.MapTypeId.HYBRID, >>>>> 'sphericalMercator': true,isBaseLayer: true } ); >>>>> var googleStreetLayer = new OpenLayers.Layer.Google( >>>>> "Google Street", {'sphericalMercator':true} ); >>>>> var addressLayer = new OpenLayers.Layer.WMS( >>>>> "Addresses", "<WMS SERVER HOSTNAME>", >>>>> { >>>>> LAYERS: 'cira:address', >>>>> STYLES: '', >>>>> format: 'image/png', >>>>> tiled: true, >>>>> transparent:true, >>>>> tilesOrigin : map.maxExtent.left + ',' + >>>>> map.maxExtent.bottom >>>>> }, >>>>> { >>>>> buffer: 10, >>>>> displayOutsideMaxExtent: true, >>>>> isBaseLayer: false >>>>> } >>>>> ); >>>>> >>>>> map.addLayers([googleStreetLayer,googleHibridLayer,addressLayer]); >>>>> var USABounds=new >>>>> OpenLayers.Bounds(-124.731,24.956,-66.97,49.372); >>>>> >>>>> USABounds.transform(projectionWGS84,map.getProjectionObject()); >>>>> map.zoomToExtent(USABounds); >>>>> } >>>>> >>>>> The WMS looks to be overlaying fine, but when I pan the map the tiles >>>>> look like they are "shifting plates" meaning they look like they are >>>>> moving independently and it looks quite ugly. >>>>> >>>>> I have tried adding "projection: new >>>>> OpenLayers.Projection("EPSG:900913")," as an option to the WMS layer >>>>> itself thinking maybe that would fix it but it did not. >>>>> >>>>> I'm using stable Openlayers 2.10 >>>>> Any ideas? >>>>> >>>>> Thank you, >>>>> -- >>>>> Signed, >>>>> Alessandro Ferrucci >>>>> >>>> >>>> >>>> >>>> -- >>>> Signed, >>>> Alessandro Ferrucci >>>> >>> >>> >>> >>> -- >>> Signed, >>> Alessandro Ferrucci >>> _______________________________________________ >>> Users mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/openlayers-users >> >> -- >> Andreas Hocevar >> OpenGeo - http://opengeo.org/ >> Expert service straight from the developers. >> >> > > > > -- > Signed, > Alessandro Ferrucci -- Andreas Hocevar OpenGeo - http://opengeo.org/ Expert service straight from the developers. _______________________________________________ Users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/openlayers-users
