[OpenLayers-Users] Markers disappear at High Zoom Levels

[coderage]

Obe, Regina     DND\MIS wrote:
> 
> I'm using version 2.3 stable of OpenLayers and am experiencing the same
> problem as described here
>  
> Hi,
> This helped me
> 
> var markers = new OpenLayers.Layer.Markers( "Markers",{'calculateInRange':
> function() { return true; }});
> 
> regards
> Code
> 
> 
> 
> http://openlayers.org/pipermail/users/2007-January/000514.html
>  
> It seems that no matter what I try, my markers disappear around Zoom 15. 
> Is there a solution for this.
>  
>  
> My map code looks something like
>  var lon = -71.0891380310059
>  var lat = 42.3123226165771
>  
>      var options = { 
>     maxZoomLevel: 20,
>     maxResolution: "auto",
>     numZoomLevels: 20, 
>   controls: [new OpenLayers.Control.MouseDefaults(), new
> OpenLayers.Control.PanZoomBar(), new OpenLayers.Control.MouseToolbar()]
>    };
>     var map = new OpenLayers.Map(document.getElementById("map"), options);
>  
>     var boston = new OpenLayers.LonLat(lon,lat);
>     map.setCenter(boston, 14);
>  
>  var gmaerial = new OpenLayers.Layer.Google("Google Hybrid", { 'type':
> G_HYBRID_MAP });
>  map.addLayer(gmaerial);
>  
>  var markers = new OpenLayers.Layer.Markers("Markers", {numZoomLevels:17,
> maxZoomLevel:17, minZoomLevel: 10});
>  map.addLayer(markers);
>  
>  var size = new OpenLayers.Size(10,17);
>  var offset = new OpenLayers.Pixel(-(size.w/2), -size.h);
>  var icon = new OpenLayers.Icon(OpenLayers.Util.getImagesLocation() +
> 'marker-blue.png',size,offset);
>  var marker0 = new OpenLayers.Marker(new OpenLayers.LonLat(lon,
> lat),icon);
> markers.addMarker(marker0);
>  
>  
> Thanks,
> Regina
>  
>  
>  
>  
> 
> 
> 
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