Revision 5845
Added by ben leinfelder almost 14 years ago
| map.jsp | ||
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<script src="http://www.openlayers.org/api/OpenLayers.js"></script> |
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<script type="text/javascript"> |
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<!-- |
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function round(number,decplaces) {
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var multiplier = '1'; |
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for (i=0; i < decplaces; i++ ) {
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multiplier = multiplier + '0'; |
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} |
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var rounded = Math.round(number * parseFloat(multiplier)) / parseFloat(multiplier); |
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return rounded; |
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} |
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// for turning on and off the spatial search control |
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var control; |
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function round(number,decplaces) {
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var multiplier = '1'; |
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for (i=0; i < decplaces; i++ ) {
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multiplier = multiplier + '0'; |
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} |
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var rounded = Math.round(number * parseFloat(multiplier)) / parseFloat(multiplier); |
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return rounded; |
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} |
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function init(){
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var bounds = new OpenLayers.Bounds(-180,-90,180,90); |
| ... | ... | |
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/* |
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* Other possible WMS base layers to include |
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*/ |
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var showAll = false;
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var showAll = true;
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if (showAll) {
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var ol_wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", |
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"http://labs.metacarta.com/wms/vmap0", |
| ... | ... | |
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//map.addControl(new OpenLayers.Control.PanZoomBar()); |
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map.addControl(new OpenLayers.Control.MouseToolbar()); |
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map.addControl(new OpenLayers.Control.LayerSwitcher()); |
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map.addControl(new OpenLayers.Control.MousePosition()); |
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//map.addControl(new OpenLayers.Control.Permalink()); |
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//map.addControl(new OpenLayers.Control.Permalink($('permalink')));
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if (!map.getCenter()) map.zoomToMaxExtent(); |
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// get the drag box event |
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control = new OpenLayers.Control(); |
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OpenLayers.Util.extend( |
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control, {
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draw: function () {
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// this Handler.Box will intercept the shift-mousedown |
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// before Control.MouseDefault gets to see it |
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this.box = new OpenLayers.Handler.Box( control, |
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{"done": this.notice}
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//,{keyMask: OpenLayers.Handler.MOD_SPACE}
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); |
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this.box.activate(); |
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}, |
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notice: function (bounds) {
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var min_px; |
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var max_px; |
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// check that it is a rectangle |
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if (bounds.left) {
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min_px = new OpenLayers.Pixel( bounds.left, bounds.bottom); |
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max_px = new OpenLayers.Pixel( bounds.right, bounds.top); |
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} else {
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var tolerance = new OpenLayers.Pixel(3, 3); |
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min_px = new OpenLayers.Pixel( bounds.x - tolerance.x, bounds.y + tolerance.y); |
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max_px = new OpenLayers.Pixel( bounds.x + tolerance.x, bounds.y - tolerance.y); |
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} |
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var min_ll = map.getLonLatFromPixel(min_px); |
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var max_ll = map.getLonLatFromPixel(max_px); |
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//alert("longitude: " + round(mid_ll.lon,3) + " , latitude: " + round(mid_ll.lat,3) );
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url = '<%=SERVLET_URL%>?action=spatial_query&xmin='+min_ll.lon+'&ymin='+min_ll.lat+'&xmax='+max_ll.lon+'&ymax='+max_ll.lat+'&skin=default'; |
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OpenLayers.ProxyHost = ''; |
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newwindow = |
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window.open( |
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url, |
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'queryWin', |
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'height=600,width=800,status=yes,toolbar=yes,menubar=no,location=yes,resizable=yes,scrollbars=yes'); |
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} |
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}); |
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map.addControl(control); |
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// zoom to center |
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if (!map.getCenter()) {
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map.zoomToMaxExtent(); |
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} |
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map.events.register('click', map, function (e) {
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var tolerance = new OpenLayers.Pixel(3, 3); |
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var min_px = new OpenLayers.Pixel( e.xy.x - tolerance.x, e.xy.y + tolerance.y); |
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var max_px = new OpenLayers.Pixel( e.xy.x + tolerance.x, e.xy.y - tolerance.y); |
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var mid_px = new OpenLayers.Pixel( e.xy.x , e.xy.y ); |
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var min_ll = map.getLonLatFromPixel(min_px); |
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var max_ll = map.getLonLatFromPixel(max_px); |
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var mid_ll = map.getLonLatFromPixel(mid_px); |
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//alert("longitude: " + round(mid_ll.lon,3) + " , latitude: " + round(mid_ll.lat,3) );
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url = '<%=SERVLET_URL%>?action=spatial_query&xmin='+min_ll.lon+'&ymin='+min_ll.lat+'&xmax='+max_ll.lon+'&ymax='+max_ll.lat+'&skin=default'; |
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OpenLayers.ProxyHost = ''; |
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newwindow = window.open(url,'queryWin', |
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'height=600,width=800,status=yes,toolbar=yes,menubar=no,location=yes,resizable=yes,scrollbars=yes'); |
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}); |
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} |
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// --> |
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</script> |
Also available in: Unified diff
invoke spatial search when bounding box is drawn or click on map