I have these two functions. One that loads the map on the page load
and the other that adds a marker when a client clicks a link. If you
want to see what I am trying to do you can go here
http://alpha.clickablecommunity.com/
My function works fine to add the marker, however it won't remove the
marker. I cannot figure out why. Can someone please help me, I have
been racking my brain on this for almost a week now. Thanks,
function loadEarth(mapdiv) {
arrOfCord = new Array();
if (GBrowserIsCompatible()) {
var point;
if (!mapdiv) return true;
//find the div
map = new GMap2(document.getElementById(mapdiv));
//this will add a map overview in the bottom
//right hand corner
//map.addControl(new GOverviewMapControl());
//enable the zooming
map.enableDoubleClickZoom();
map.enableScrollWheelZoom();
//call the function that adds the menu
//when the user right clics
createContextMenu(map, mapdiv);
//add the different map types i.e. satellite street
hybrid
map.addControl(new GMapTypeControl());
//add the zoom + and - buttons
map.addControl(new GSmallMapControl());
//set the center, position, and type of map to start
with
map.setCenter(new GLatLng(40.7001, -99.0844), 15);
map.setMapType(G_NORMAL_MAP);
//if we wanted to draw a polyline we would uncomment
this code
//var polyline = new GPolyline([new GLatLng(37.4419,
-122.1419),
//new GLatLng(37.4519, -122.1519),
//new GLatLng(37.4619, -122.1819)], "#3333cc", 10);
//map.addOverlay(polyline);
} //if gbrowseriscompatible
else {
document.getElementById(mapdiv).innerHTML = "Sorry,
your browser is not compatible" +
"with our maps
application<br>" +
"Please try
updating to a newer version of your browser.";
}
} //loadEarth
//this function takes in the lat lon and description.
//it checks an array of coordinates and if the coordinates
//are in the array then it removes the marker.
//if they are not in the array then we add them to
//the array and add the marker. keeping the coordinates
//in an array is how I check to see if the marker exists.
function addUserMarker(lat, lon, desc) {
//a string version of our coordinates
//to check the array of coordinates with
var tempCord = lat.toString() + lon.toString();
//we set this to false if it stays that way
//then the coordinates are not in the array
//meaning it's not on the map so we add it
var inMap = false;
var count = 0;
//create the new marker
var tempMarker = new GMarker(new GLatLng(lat, lon));
while (inMap == false && count < arrOfCord.length) {
//if it is in the array then the coordinate is already
//a marker on the map
if (tempCord == arrOfCord[count]) {
inMap = true;
} //it tempCord
count++;
} //while
//if this stayed false then we add it to the map
if (inMap == false) {
arrOfCord.push(tempCord);
//add the description popup box
GEvent.addListener(tempMarker, "click", function() {
tempMarker.openInfoWindowHtml(desc);
});
map.addOverlay(tempMarker);
map.setCenter(new GLatLng(lat, lon), map.getZoom());
} //if inMap
//we need to remove the marker
else {
//remove the marker from the map
map.removeOverlay(tempMarker);
//remove it from the array
arrOfCord.splice(arrOfCord.indexOf(tempCord), 1);
} //else
} //addUserMarker
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