Question

Get Google Maps Latitude, Longitude

Asked by: panosms

Hello experts.
I found two sites:
http://3planeta.com/googlemaps/google-maps.html
http://www.gorissen.info/Pierre/maps/googleMapLocation.php
where someone can click on the map and get the the Latitude and Longitude of the the point he has clicked.
I want to build one page more like the first one where i can gat the adress too and the mouse is not allways a "hand".
I have copied the jscrt.js file and it is working for me too but where can i find a tutorial for this and how can i have the buttons:'satellite image,map,the combined image' on the map like the second link?

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 
	<title>Google maps directions. Get coordinates from Google maps </title>
<link rel="stylesheet" type="text/css" href="templ.css">
 
<script type="text/javascript" src="http://maps.google.com/maps?file=api&v=2&key=MyKey">/*wagmp*/</script>
 
<script type="text/javascript" src="scrpt.js"> </script>
 
 
	
</head>
 
 
<body topmargin="0" leftmargin="0" onLoad="modecombine()" onUnload="GUnload()">
<div  id="map" style="width: 740px; height: 450px">
      <span> 
        
        <b class="b">  <font color="red">Loading map...</font> </b></span>
    </div>  
 
<form name="cpform">
<table>
<tr><td colspan="2" align="center"><span class="fblack14">Coordinate the definition in real time:</span></td></tr>
<tr>
<td width="20" align="center"> <span class="fb14">latitude</span> </td> 
<td width="20" align="center"> <span class="fb14">longitude</span> </td> 
</tr>
<tr>
<td width="20">
 
<input name="lat" type="text" value="" size="20" readonly>
</td>
<td width="20">
 <input name="lng" type="text" value="" size="20" readonly>
</td>
</tr>
<tr><td colspan="2" align="center"><span class="fblack14">Record of coordinates after a click on Google maps</span></td></tr>
 
<tr>
<td width="20">
<input name="rmblat" type="text" value="" size="20">
</td>
<td width="20">
 <input name="rmblng" type="text" value="" size="20">
</td>
</tr>
 
<tr>
<td width="20">
<span class="fblack14">zoom level</span>
</td>
<td width="20">
<input name="czoom" type="text" value="" size="10" readonly>
</td>
</tr>
 
 
<tr>
<td colspan="2" align="center">
<span class="fb14">and detect address:</span>  <input name="addr" type="text" value="" size="45">
</td>
</tr>
<tr>
<td colspan="2" align="left">
&nbsp;&nbsp; <input name="rmbclr" type="button" value="clear" size="20" onClick="addr.value='';rmblat.value='';rmblng.value='';czoom.value=''">
</td>
</tr>
 
 
</table>
 
 
</form>
</body>
 
</html>
 
the script:
 
    var map = null;
    var geocoder = null;
    var curlat=0, curlng=0;
    var curlatlng=null;  
    var curZoom=0;
 
 
 
 
 
    function modesimg() {
      if (GBrowserIsCompatible()) {
    
    map = new GMap2(document.getElementById("map"),{draggableCursor:"default"});          
    map.setCenter(new GLatLng(curlat, curlng),curZoom, G_SATELLITE_MAP);        
 
        geocoder = new GClientGeocoder();
        
var map_ctrl=new GLargeMapControl();
/*var map_type_ctrl=new GMapTypeControl();*/
var map_scale_ctrl=new GScaleControl();
/* var map_over_ctrl=new GOverviewMapControl(); */
 
map.addControl(map_ctrl);
/*map.addControl(map_type_ctrl);*/
map.addControl(map_scale_ctrl);
/* map.addControl(map_over_ctrl); */
 
  /*GEvent.addListener(map, "click", getAddress);*/
GEvent.addListener(map, "mousemove", mousemv);
GEvent.addListener(map, "click", mouseclck);
 
 
      }
    }
 
 
 
 
    function modemaps() {
      if (GBrowserIsCompatible()) {
      curlatlng=map.getCenter();
      curlat=curlatlng.lat();
      curlng=curlatlng.lng();      
      curZoom=map.getZoom();  
    map = new GMap2(document.getElementById("map"),{draggableCursor:"default"});    
    map.setCenter(new GLatLng(curlat, curlng),curZoom, G_NORMAL_MAP);        
 
        geocoder = new GClientGeocoder();
        
var map_ctrl=new GLargeMapControl();
/*var map_type_ctrl=new GMapTypeControl();*/
var map_scale_ctrl=new GScaleControl();
/* var map_over_ctrl=new GOverviewMapControl(); */
 
map.addControl(map_ctrl);
/*map.addControl(map_type_ctrl);*/
map.addControl(map_scale_ctrl);
/* map.addControl(map_over_ctrl); */
GEvent.addListener(map, "mousemove", mousemv);
GEvent.addListener(map, "click", mouseclck);
 
      }
    }
 
 
 
    function modecombine() {
               
      if (GBrowserIsCompatible()) {
 
           if (curlat==0&&curlng==0)
       {
    	curlat=46.01222384063236; curlng=-21.4453125; curZoom=4;
    	
       }
       else {
      curlatlng=map.getCenter();
      curlat=curlatlng.lat();
      curlng=curlatlng.lng();    
      curZoom=map.getZoom();  
      
      };
    map = new GMap2(document.getElementById("map"),{draggableCursor:"default"});    
    map.setCenter(new GLatLng(curlat,curlng),curZoom, G_HYBRID_MAP);        
 
        geocoder = new GClientGeocoder();
        
var map_ctrl=new GLargeMapControl();
/*var map_type_ctrl=new GMapTypeControl();*/
var map_scale_ctrl=new GScaleControl();
/* var map_over_ctrl=new GOverviewMapControl(); */
 
map.addControl(map_ctrl);
/*map.addControl(map_type_ctrl);*/
map.addControl(map_scale_ctrl);
/* map.addControl(map_over_ctrl); */
GEvent.addListener(map, "mousemove", mousemv);
GEvent.addListener(map, "click", mouseclck);
 
      }
    }
 
 
 
 
function mousemv(latlng)
{
 if (latlng!=null){
lt=latlng.lat();
lg=latlng.lng();
document.cpform.lat.value=lt;
document.cpform.lng.value=lg;
}
}
 
 
function mouseclck(overlay,latlng)
{
var zm=0;
if (latlng!=null){
document.cpform.addr.value="wait ...";
lt=latlng.lat();
lg=latlng.lng();
zm=map.getZoom();  
document.cpform.rmblat.value=lt;
document.cpform.rmblng.value=lg;
document.cpform.czoom.value=zm;
address=latlng;
geocoder.getLocations(latlng,addrview);
}
}
 
 
    function showAddress(address) {
      if (geocoder) {
        geocoder.getLatLng(
          address,
          function(point) {
            if (!point) {
              alert("To increase a scale or map is yet loaded (wait a few seconds)");
            } else {
              map.setCenter(point, 15);
            
				curZoom=map.getZoom();                
              var marker = new GMarker(point);
              map.addOverlay(marker);
              marker.openInfoWindowHtml(address);  
            }
          }
        );
      }
    }
    
   
    function showAddress2(address,marktext,distance) {
    
          if (geocoder) {
        geocoder.getLatLng(
          address,
          function(point) {
            if (!point) {
              alert("To increase a scale or map is yet loaded (wait a few seconds)");
            } else {
              map.setCenter(point, distance);
              var marker = new GMarker(point);
              map.addOverlay(marker);
              marker.openInfoWindowHtml(marktext);
            }
          }
        );
      }
    }
 
function addrview(response) {
place=response.Placemark[0];
document.cpform.addr.value=place.address;
}
  
function fulltime () {
var time=new Date();
document.clock.full.value=time.toLocaleString();
setTimeout('fulltime()',500)
}

                                  
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Asked On
2009-08-16 at 06:07:51ID24656242
Topics

Scripting Languages

,

JavaScript

Participating Experts
1
Points
500
Comments
3

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Answers

 

by: rakeshjaiminiPosted on 2009-08-16 at 06:23:18ID: 25108915

 

by: panosmsPosted on 2009-08-16 at 08:02:09ID: 25109200

Hi rakeshjaimini:
Thank you for your help.
I checked the link you posted and find the Reverse Geocoding tutorial on:http://code.google.com/intl/el-GR/apis/maps/documentation/services.html.
that is similar to the function on my first link.
Can i have now all the values:
+ response.name +
+ place.Point.coordinates[1] +
+ place.Point.coordinates[0] +
+ response.Status.code +
+ response.Status.request +
+ place.address +
 + place.AddressDetails.Accuracy +
 + place.AddressDetails.Country.CountryNameCode)

In hidden form fields(or simple text fields) in a form like the code i posted?

 

by: panosmsPosted on 2009-08-16 at 21:38:53ID: 31616267

Thank you for your help
regards
panos

20120131-EE-VQP-002

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