[OpenLayers-Users] overview control

huub fleuren huub.fleuren at geodan.nl
Fri Oct 26 07:57:41 EDT 2007


Hi,

Struggling with overview control, image attached (if the moderator 
allows it later this day).

The overview does not show  the max view of the map. The rectangle 
determines the complete map of the overview.
The overview does not react to  the zoom of ZoomBar actions. It does 
react to pan of ZoomBar actions. mouseactions pan the overview. zoom of 
overview is then effected, but not as expected
I tried with and without scalesettings on the mainmap. with different 
min/max ratios for overview.

using EPSG:28992
basically following code of the overview.html example


  wms["webstreets"] = new OpenLayers.Layer.WMS.Untiled( "webstreets",
           "/mapserver.exe?",
             {layers: 
'layer_1,layer_2,layer_3,layer_4,layer_5,layer_6',format: 'image/png', 
transparent: false},
             {isBaseLayer:true});
  map.addLayers([wms["webstreets"]]);

  var options = {
    layers: [wms["webstreets"].clone()],
    minRatio: 8,
    maxRatio: 128
  };
  var overview = new OpenLayers.Control.OverviewMap(options);
  map.addControl(overview);

  map.setCenter(new OpenLayers.LonLat(155000, 465000), 0);
  overview.maximizeControl();



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