Re: New to google maps API. How to?

Sat, 26 Dec 2009 09:06:10 -0800 

Stop

On Dec 26, 2009 7:34 AM, "lopes80andre" <[email protected]> wrote:

Hi, Thanks for the reply.

I'am trying to mix Gdirections with Gmarkers... I explain well... I'am
taking this example:
http://code.google.com/intl/pt/apis/maps/documentation/examples/directions-advanced.html

But I need to initialize the map with a Marker without a Direction
Instructions, the Map when initialized will show only one Marker(A),
then I need to get the Directions to the Marker(A) from a given
Direction that I input in the TextBox. This is possible?

My code:

[code]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml";  xmlns:v="urn:schemas-
microsoft-com:vml">
 <head>
   <meta http-equiv="content-type" content="text/html; charset=utf-8"/
>
   <title>Google Maps JavaScript API Example: Advanced Directions</
title>
   <script src="
http://maps.google.com/?file=api&amp;v=2.x&amp;key=ABQIAAAAzr2EBOXUKnm_jVnk0OJI7xSosDVG8KKPE1-m51RBrvYughuyMxQ-i1QfUnH94QxWIa6N4U6MouMmBA
"
     type="text/javascript"></script>
   <style type="text/css">
     body {
       font-family: Verdana, Arial, sans serif;
       font-size: 11px;
       margin: 2px;
     }
     table.directions th {
       background-color:#EEEEEE;
     }

     img {
       color: #000000;
     }
   </style>
   <script type="text/javascript">

   var map;
   var gdir;
   var geocoder = null;
   var addressMarker;

   function initialize() {
     if (GBrowserIsCompatible()) {
       map = new GMap2(document.getElementById("map_canvas"));
       gdir = new GDirections(map, document.getElementById
("directions"));
       GEvent.addListener(gdir, "load", onGDirectionsLoad);
       GEvent.addListener(gdir, "error", handleErrors);

       setDirections("porto, portugal", "lisboa, portugal", "pt_PT");
     }
   }


   function setDirections(fromAddress, toAddress) {
     gdir.load("from: " + fromAddress + " to: " + toAddress);
   }

   function handleErrors(){
          if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
            alert("No corresponding geographic location could be found for
one of the specified addresses. This may be due to the fact that the
address is relatively new, or it may be incorrect.\nError code: " +
gdir.getStatus().code);
          else if (gdir.getStatus().code == G_GEO_SERVER_ERROR)
            alert("A geocoding or directions request could not be
successfully processed, yet the exact reason for the failure is not
known.\n Error code: " + gdir.getStatus().code);

          else if (gdir.getStatus().code == G_GEO_MISSING_QUERY)
            alert("The HTTP q parameter was either missing or had no value.
For geocoder requests, this means that an empty address was specified
as input. For directions requests, this means that no query was
specified in the input.\n Error code: " + gdir.getStatus().code);

       //   else if (gdir.getStatus().code == G_UNAVAILABLE_ADDRESS)  <---
Doc bug... this is either not defined, or Doc is wrong
       //     alert("The geocode for the given address or the route for the
given directions query cannot be returned due to legal or contractual
reasons.\n Error code: " + gdir.getStatus().code);

          else if (gdir.getStatus().code == G_GEO_BAD_KEY)
            alert("The given key is either invalid or does not match the
domain for which it was given. \n Error code: " + gdir.getStatus
().code);

          else if (gdir.getStatus().code == G_GEO_BAD_REQUEST)
            alert("A directions request could not be successfully parsed.\n
Error code: " + gdir.getStatus().code);

          else alert("An unknown error occurred.");

       }

       function onGDirectionsLoad(){
     // Use this function to access information about the latest load
()
     // results.

     // e.g.
     // document.getElementById("getStatus").innerHTML =
gdir.getStatus().code;
         // and yada yada yada...
       }
   </script>

 </head>
 <body onload="initialize()" onunload="GUnload()">

 <h2>Maps API Directions Illustrated</h2>
 <form action="#" onsubmit="setDirections(this.from.value,
this.to.value); return false">
         <table>
          <tr>
                  <th align="right">From:&nbsp;</th>
                  <td><input type="text" size="25" id="fromAddress"
name="from"
value="San Francisco"/></td>
               <!--   <th align="right">&nbsp;&nbsp;To:&nbsp;</th> -->
                  <td align="right"> <!-- <input type="text" size="25"
id="toAddress" name="to" value="Mountain View" /> -->
                  <input name="submit" type="submit" value="Get Directions!"
/>
                  </td>
          </tr>
         </table>
 </form>

   <br/>
   <table class="directions">
   <tr><th>Formatted Directions</th><th>Map</th></tr>

   <tr>
   <td valign="top"><div id="directions" style="width: 275px"></div></
td>
   <td valign="top"><div id="map_canvas" style="width: 310px; height:
400px"></div></td>

   </tr>
   </table>
 </body>
</html>
[/code]

On 26 Dez, 09:18, Andrew Leach <[email protected]> wrote: > On
Dec 25, 7:29 pm, Andre ...

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