You appear to have left out a descent amount of the v3 code...  From where
you begin creating the marker etc.

Also a live page, even if it isn't working, would help immensely.

On Wed, Sep 22, 2010 at 3:17 PM, Awilson430 <[email protected]>wrote:

> I developed a page to read and parse a set of markers and polylines
> with controls to show and hide them based on their categories.  I've
> been able to recreate the markers' functionality in V3 but have thus
> far been unsuccessful converting the polyline code.  Below is the V2
> code that works.
>
> I'm looking for an example of a similar functionality using V3.
>
> Thanks in advance for any light you can shed on the subject.
>
> I've tried referencing the V3 javascript, adding downloadxml.js since
> V3 doesn't support XML parsing, and changed the V2 object names to
> their corresponding V3 names  GLatLng to google.maps.LatLng, etc.  I'm
> probably missing something simple or else V3 doesn't support arrays of
> multiple polylines.
>
>
> V2 code snippet:
> GDownloadUrl("data.xml", function(doc) {
>        var xmlDoc = GXml.parse(doc);
>        var markers =
> xmlDoc.documentElement.getElementsByTagName("marker");
>                var lines =
> xmlDoc.documentElement.getElementsByTagName("line");
>
>        for (var i = 0; i < markers.length; i++) {
>          // obtain the attribues of each marker
>          var lat = parseFloat(markers[i].getAttribute("lat"));
>          var lng = parseFloat(markers[i].getAttribute("lng"));
>          var point = new GLatLng(lat,lng);
>          var name = markers[i].getAttribute("name");
>          var html =
> GXml.value(markers[i].getElementsByTagName("infowindow")[0]);
>          var category = markers[i].getAttribute("category");
>          // create the marker
>          var marker = createMarker(point,name,html,category);
>          map.addOverlay(marker);
>                  map.addOverlay(geoXml);
>                  map.addOverlay(geoXml2);
>        }
>
>          // read each line
>          for (var a = 0; a < lines.length; a++) {
>            // get any line attributes
>            var colour = lines[a].getAttribute("colour");
>            var width  = parseFloat(lines[a].getAttribute("width"));
>            // read each point on that line
>            var points = lines[a].getElementsByTagName("point");
>                        var category = lines[a].getAttribute("category");
>            var pts = [];
>            for (var i = 0; i < points.length; i++) {
>               pts[i] = new
> GLatLng(parseFloat(points[i].getAttribute("lat")),
>
> parseFloat(points[i].getAttribute("lng")));
>            }
>
>                        var poly = new
> GPolyline(pts,colour,width[category]);
>                        poly.mycategory = category;
>                        map.addOverlay(poly);
>                        poly.hide();
>                        gpolylines.push(poly);
>
>          }
>
> V3 code snippet, works for markers, was unable to get polylines to
> work:
>
>  downloadUrl("data.xml", function(doc) {
>  var xml = xmlParse(doc);
>  var markers = xml.documentElement.getElementsByTagName("marker");
>
>        for (var i = 0; i < markers.length; i++) {
>          // obtain the attribues of each marker
>          var lat = parseFloat(markers[i].getAttribute("lat"));
>          var lng = parseFloat(markers[i].getAttribute("lng"));
>          var point = new google.maps.LatLng(lat,lng);
>          var address = markers[i].getAttribute("address");
>          var name = markers[i].getAttribute("name");
>          var html = "<b>"+name+"<\/b><p>"+address;
>          var category = markers[i].getAttribute("category");
>          // create the marker
>          var marker = createMarker(point,name,html,category);
>        }
>
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