////////////////////////////////
// GOOGLE MAPS
////////////////////////////////
// Constants
var MAXZOOM = 7; // Max coverage of the entire world
var MAXFAKEZOOM = 7; // Max artificial zoom
var MAXCITYZOOM = 11; // Max level of detailed cities
// Global variables
var mapanocturno;
var map;
var KmlOverlay;
function NightGetTileUrl(a, b)
{
// We'll always use the deeper layer available (MAXZOOM)
if ( (b > MAXZOOM) && (b <= MAXFAKEZOOM) )
b = MAXZOOM;
return "nightmaps/level" + b + "/map_" + b + "_" + (a.x) + "_" + (a.y) + ".gif";
}
function zoomed()
{
var zoom = map.getZoom();
var last = mapanocturno.Hc;
// When zoom > MAXZOOM we resize the tiles so that they fill what the 2^zoomDiff tiles were suppose to draw
if ( (zoom > MAXZOOM) && (zoom <= MAXFAKEZOOM) )
{
var power = Math.pow(2,zoom-MAXZOOM);
mapanocturno.Ic = 256 * power;
//mapanocturno.tileSize = 256 * power;
}
else
{
mapanocturno.Ic = 256;
//mapanocturno.tileSize = 256;
}
if (last != mapanocturno.Hc)
{
map.checkResize();
map.setCenter(map.getCenter(), zoom);
}
}
var frameHeight, frameWidth;
function CalculateHeightWidth()
{
if (self.innerWidth)
{
frameHeight = self.innerHeight;
frameWidth = self.innerWidth;
}
else if (document.documentElement && document.documentElement.clientWidth)
{
frameHeight = document.documentElement.clientHeight;
frameWidth = document.documentElement.clientWidth;
}
else if (document.body)
{
frameHeight = document.body.clientHeight;
frameWidth = document.body.clientWidth;
}
}
var actualHeight = 0;
var actualWidth = 0;
//var exml;
function resizeMapDiv()
{
CalculateHeightWidth();
if ( (frameHeight != actualHeight) || (frameWidth != actualWidth) )
{
actualHeight = frameHeight;
actualWidth = frameWidth;
document.getElementById("map").style.height = (frameHeight-40)+"px";
document.getElementById("map").style.width = (frameWidth -40)+"px";
document.getElementById("menumap").style.width = (frameWidth -40)+"px";
if (map)
{
var zoom = map.getZoom();
var center = map.getCenter()
map.checkResize();
map.setCenter(center, zoom);
}
document.getElementById("map").style.background = "#111744";
}
}
function load(latInicial, lngInicial, zoomInicial)
{
if (typeof(latInicial) == 'undefined')
{
// load llamado sin parámetros: default position
CalculateHeightWidth();
if (frameWidth > 900)
zoomInicial = 2;
else zoomInicial = 1;
latInicial = 17;
lngInicial = -3.42;
}
if (GBrowserIsCompatible())
{
// Create the new layer
var copyright = new GCopyright(1000, new GLatLngBounds(new GLatLng(-90, -180), new GLatLng(90, 180)), 0, "© 2000 NASA's Visible Earth");
var copyrightCollection = new GCopyrightCollection("2007 Jose Manuel Gómez - Imagery");
copyrightCollection.addCopyright(copyright);
var tilelayers = [new GTileLayer(copyrightCollection , 0, MAXCITYZOOM)];
tilelayers[0].getTileUrl = NightGetTileUrl;
mapanocturno = new GMapType(tilelayers, new GMercatorProjection(MAXCITYZOOM+1), "Night", {errorMessage:"No data available", alt:"Show night imagery"});
// Create the map
map = new GMap2(document.getElementById("map"));
map.addControl(new GLargeMapControl());
map.addControl(new GMapTypeControl());
// Add a scale control with white text
var scale = new GScaleControl();
map.addControl(scale)
//scale.fpsLbl.style.color = '#ffffff';
//scale.metricLbl.style.color = '#ffffff';
map.setCenter (new GLatLng(latInicial, lngInicial), zoomInicial);
map.enableContinuousZoom();
map.enableDoubleClickZoom();
map.addMapType(mapanocturno);
map.setMapType(mapanocturno);
// Add a minimap
var minimap=new GOverviewMapControl(new GSize(200, 150));
map.addControl(minimap);
minimap.hide();
// Modify the behaviour of the zoom
GEvent.addListener(map, "zoomend", function() {zoomed();}); // track the user zooming.
// Add the kml overlay: it will refresh each minute
KmlOverlay = new GGeoXml("http://www.nightearth.com/nightearth.kmz");
//KmlOverlay = new GGeoXml("http://www.nightearth.com/nightearth.kml");
map.addOverlay(KmlOverlay);
//exml = new EGeoXml("exml", map, "nightearth.kml?aaa", {iwwidth:356,descstyle:"background-color: #000000"});
//exml.parse();
// Create the show/hide markers control
function ShowHideMarkers() {}
ShowHideMarkers.prototype = new GControl();
ShowHideMarkers.visible=true;
ShowHideMarkers.prototype.initialize = function(map)
{
var container = document.createElement("div");
ShowHideMarkers.container = container;
this.setButtonStyle_(container);
container.appendChild(document.createTextNode("Hide Markers"));
GEvent.addDomListener(container, "click", function()
{
if (this.visible == true)
{
map.removeOverlay(KmlOverlay);
this.visible = false;
ShowHideMarkers.container.innerHTML = "Show Markers";
}
else
{
map.addOverlay(KmlOverlay);
this.visible = true;
ShowHideMarkers.container.innerHTML = "Hide Markers";
}
});
map.getContainer().appendChild(container);
return container;
}
ShowHideMarkers.prototype.getDefaultPosition = function()
{
return new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(7, 7));
}
ShowHideMarkers.prototype.setButtonStyle_ = function(button)
{
button.style.border = "1px solid black";
button.style.backgroundColor = "white";
button.style.color = "#000000";
button.style.cursor = "pointer";
button.style.width = "92px";
button.style.marginLeft = "72px";
button.style.font = "small Arial";
//button.style.fontWeight = "bold";
button.style.textAlign = "center";
}
map.addControl(new ShowHideMarkers());
GEvent.addListener(map,"click",function(overlay,latlng)
{
if (latlng)
{
// the code to be performed when map is clicked
// create an HTML DOM form element
var inputForm=document.createElement("form");
inputForm.setAttribute("action","");
inputForm.onsubmit=function(){storeMarker(map); return false;};
//put currently clicked point's lat and long in temp variables
var lat=latlng.lat();
var lng=latlng.lng();
//the form
inputForm.innerHTML='