I found the mistake ;)
// extend the map buffer zone
var nePoint2:Point = new Point(nePoint.x+1000,
nePoint.y-11000);
var swPoint2:Point = new Point(swPoint.x-1000, swPoint.y
+1000);
cheers, Flexa
On 4 Dez., 21:53, Flexa <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I would like to extend the map viewport to create a "buffer zone"
> around the viewport to show some markers.. and if the user navigate
> out of the "buffer zone" I would like to load new markers. I know
> there is a marker manager.. but i have to show 1mio markers on the
> map.. so i think there is no way to reload the markers and but the new
> ones on the map.
>
> So how can I extend the viewport zone/ bounds ?
>
> I created a class and with the following function i would like to
> extend the viewport:
>
> public function setLatLngBounds(value:LatLngBounds):void
> {
> var zoom:Number = this._map.getZoom();
> var ne:LatLng = value.getNorthEast();
> var sw:LatLng = value.getSouthWest();
>
> // translate to pixel
> var nePoint:Point = this._map.MERCATOR_PROJECTION.fromLatLngToPixel
> (ne, zoom);
> var swPoint:Point = this._map.MERCATOR_PROJECTION.fromLatLngToPixel
> (sw, zoom);
>
> // extend the map buffer zone
> var nePoint2:Point = new Point(nePoint.x+1000, nePoint.y+1000);
> var swPoint2:Point = new Point(swPoint.x+1000, swPoint.y+1000);
>
> // translate to geo data
> var ne2:LatLng = this._map.MERCATOR_PROJECTION.fromPixelToLatLng
> (nePoint2, zoom);
> var sw2:LatLng = this._map.MERCATOR_PROJECTION.fromPixelToLatLng
> (swPoint2, zoom);
>
> // create new bounds and set the "buffer zone"
> var latLngBounds:LatLngBounds = new LatLngBounds(sw2, ne2);
> this._mapLatLngBounds = latLngBounds;
>
> }
>
> private function handleMoveStep(e:MapMoveEvent):void
> {
> // check if the map is in the buffer zone
> if( ! this._mapLatLngBounds.containsBounds
> ( this._map.getLatLngBounds()) ) {
> trace("do something");
> }
>
> }
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