asked on

How do I reload and refresh GeoRss Feed at specified interval - Bing map website

This page displays moving vehicles with GPS. The Script works fine but - The feed is very dynamic - updated every 10 seconds. I need a way to remove and reapply the GeoRss Layer at a set interval - hopefully without reloading the entire map. Attached it the current code - any help would be fantastic!!! Thank you....

I need this function to run, then at a set time clear and reload -
function EventMapLoad()
{
geoRssLayer1 = new VEShapeLayer();
var geoRssLayerSpec1 = new VEShapeSourceSpecification(VEDataType.GeoRSS, "http://xxx.xxx.xxx.xxx/xxxx.xml", geoRssLayer1);
map.ImportShapeLayerData(geoRssLayerSpec1, onFeed1Load, true);

}

<title>sample</title>
<meta http-equiv="Content-Type" content="text/html; "expires" content="0"; charset=utf-8">
<script src="http://dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=5"></script>
<script>         
var map = null;
var geoRssLayer1 = null;
 
function onFeed1Load(layer)
{
    var numShapes = layer.GetShapeCount();
    for(var i=0; i < numShapes; ++i)
    {
        var s = layer.GetShapeByIndex(i);
        s.SetCustomIcon("Car.ico");
    }
}
 
 
function EventMapLoad()
{
    geoRssLayer1 = new VEShapeLayer();
    var geoRssLayerSpec1 = new VEShapeSourceSpecification(VEDataType.GeoRSS, "http://xxx.xxx.xxx.xxx/xxxx.xml", geoRssLayer1);
    map.ImportShapeLayerData(geoRssLayerSpec1, onFeed1Load, true);
 
    
}
function CreateMap()
{
    map = new VEMap('myMap');
    map.onLoadMap = EventMapLoad;
    map.LoadMap(new VELatLong(30.01416, -97.8964), 5, VEMapStyle.Road);
}
 
function CheckBox1Clicked(cb)
{
   if (cb.checked)
   {
      geoRssLayer1.Show();
   }
   else
   {
      geoRssLayer1.Hide();
   }
}
</script>
</head>
<body onload="CreateMap();">
<div id='myMap' style="position:relative; width:800px; height:600px;"></div>
<div style="border:solid black 1px; margin-left:5px; background:#fff; position:absolute; top:475px;">
<div style="font-weight:bold;">Show/Hide Cars GeoRss </div>
<div><input id='CB1' type=checkbox checked onclick="CheckBox1Clicked(this)" />:<img align=middle src='Cars.ico'/>Cars</div>
</div>
</body>
</html>

Open in new window

hielo

try:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 
<html>
<head>
<title>sample</title>
<meta http-equiv="Content-Type" content="text/html; "expires" content="0"; charset=utf-8">
<script src="http://dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=5"></script>
<script>         
var map = null;
var geoRssLayer1 = null;
 
function onFeed1Load(layer)
{
    var numShapes = layer.GetShapeCount();
    for(var i=0; i < numShapes; ++i)
    {
        var s = layer.GetShapeByIndex(i);
        s.SetCustomIcon("Car.ico");
    }
}
 
 
var timer=null;
var counter=10;
function EventMapLoad()
{
	if(--counter)
		timer=setTimeout(EventMapLoad,3000);
	else
		clearTimeout(timer);
    geoRssLayer1 = new VEShapeLayer();
    var geoRssLayerSpec1 = new VEShapeSourceSpecification(VEDataType.GeoRSS, "http://xxx.xxx.xxx.xxx/xxxx.xml", geoRssLayer1);
    map.ImportShapeLayerData(geoRssLayerSpec1, onFeed1Load, true);
 
    
}
 
function CreateMap()
{
    map = new VEMap('myMap');
    map.onLoadMap = EventMapLoad;
    map.LoadMap(new VELatLong(30.01416, -97.8964), 5, VEMapStyle.Road);
 
}
 
function CheckBox1Clicked(cb)
{
   if (cb.checked)
   {
      geoRssLayer1.Show();
   }
   else
   {
      geoRssLayer1.Hide();
   }
}
</script>
</head>
<body onload="CreateMap();">
<div id='myMap' style="position:relative; width:800px; height:600px;"></div>
<div style="border:solid black 1px; margin-left:5px; background:#fff; position:absolute; top:475px;">
<div style="font-weight:bold;">Show/Hide Cars GeoRss </div>
<div><input id='CB1' type=checkbox checked onclick="CheckBox1Clicked(this)" />:<img align=middle src='Cars.ico'/>Cars</div>
</div>
</body>
</html>

Open in new window

jmoseley502

ASKER

I am still working with this suggestion. At first pass it is not causing a refresh. I deployed it late last night and tested without success. I will try and troubleshoot it this am. Thank you - john

jmoseley502

ASKER

This doesnt seem to be working. Does anyone have any other suggestions. The last solution - which should work does not cause a refresh of the units.... not sure where to go from here. If I close the browser window and open it again I get the latest positions. - but this fix or just clicking refresh doesnt get the latest positions....

hielo

Do you have a lve demo page for this? I don't know what type of data http://xxx.xxx.xxx.xxx/xxxx.xml is supposed to deliver so I can't replicate the problem.

jmoseley502

ASKER

yes!,, can you email me off line so that the addresses are not forever posted on this site... jmoseley@smhcems.com

ASKER CERTIFIED SOLUTION

hielo

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jmoseley502

ASKER

This did resolve the problem after changing the RSS Feed. Thank you!