Sorry, have you even read the google TOS? both redlining and stretching aren't permitted
On Sat, Jul 6, 2013 at 5:20 AM, cheesybiscuits <[email protected]>wrote: > I noticed that when adding a Google Maps basemap to my Fusion application > the > available zoom levels changed and I could not zoom further than 1:1128.5. > Without the Google layer I could zoom in to something like 1:35. > > I eventually figured out where the resolutions were being set and overrode > the OpenLayers.Layer.Google.prototype.initResolutions function to add an > arbitrary number of resolutions and increase the numZoomLevels variable > (code below). > > I found that this gave me additional zoom levels but beyond a certain point > the Google Maps layer stopped zooming. My MapGuide layer continued zooming > but the Google imagery remained the same and so the referencing got out of > line. My solution was to hook into the zoomstart or zoomend event from > OpenLayers and disable the Google layer before this happens, but I'd prefer > to have the imagery 'blow up' as if it were still zooming. The reason for > this is that my users are redlining over very small areas so must be very > zoomed-in to the map for the work. They want the Google layer to remain > visible and are happy with the potential inaccuracies in Google's data. > > I'd like to know if there's value in continuing to pursue this - is there a > hard restriction somewhere in Fusion or OpenLayers that says I can never > see > the blown-up Google image once I zoom beyond the data limits? Is there > something simple I can change to alter how OpenLayers handles the further > reaches of this layer? > > Any thoughts much appreciated. I'm using Fusion with Autodesk > Infrastructure > Map Server 2013 on Windows 2008 R2 64-bit, Chrome 27 > > > function addZoomLevels(levelsToAdd, windowObj) { > > windowObj.OpenLayers.Layer.Google.prototype.initResolutions = function > (original, levelsToAdd) { > return function () { > original.apply(this); > this.numZoomLevels += levelsToAdd; > > window.GoogleLayer.originalMaxResolution = > this.resolutions[this.resolutions.length - 1]; > > for (i = 0; i < levelsToAdd; i++) { > > this.resolutions.push(this.resolutions[this.resolutions.length - 1] / 2); > } > }; > }(windowObj.OpenLayers.Layer.Google.prototype.initResolutions, > levelsToAdd); > } > > > > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/Adding-zoom-levels-to-Google-maps-layer-tp5064386.html > Sent from the MapGuide Users mailing list archive at Nabble.com. > _______________________________________________ > mapguide-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapguide-users > -- Zac Spitzer +61 405 847 168
_______________________________________________ mapguide-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapguide-users
