Hi everyone! I'm pretty new on GMaps and like some help if possible.
I'm drawing polygons on my site and it works fine. The proplem is that
I intend to save those polygons on mySQL database but I don't quite
know how to do it. When I try to use my point[] array to pick the
coordinates, the browser says that point[] is undefined... this is my
bit of code:
<script type="text/javascript">
//<![CDATA[
////map
var map = new GMap2(document.getElementById("map"));
var start = new GLatLng(50.731, -1.848);
map.setCenter(start, 10);
map.addControl(new GMapTypeControl());
map.addControl(new GLargeMapControl());
map.addControl(new GScaleControl());
function showPoly()
{
// red marker icon
var icon = new GIcon();
icon.image = "http://labs.google.com/ridefinder/images/
mm_20_red.png";
icon.shadow = "http://labs.google.com/ridefinder/images/
mm_20_shadow.png";
icon.iconSize = new GSize(12, 20);
icon.shadowSize = new GSize(22, 20);
icon.iconAnchor = new GPoint(6, 20);
//icon.infoWindowAnchor = new GPoint(5, 1);
///////////////////////
var marker=[];
var point=[];
var poly=[];
var line=null;
var lat = map.getCenter().lat();
var lng = map.getCenter().lng();
point.push(new GLatLng(lat + 0.00150, lng - 0.00150));
point.push(new GLatLng(lat + 0.00110, lng - 0.00150));
point.push(new GLatLng(lat + 0.00070, lng - 0.00150));
point.push(new GLatLng(lat + 0.00030, lng - 0.00150));
point.push(new GLatLng(lat + 0.00030, lng - 0.00030));
point.push(new GLatLng(lat + 0.00030, lng + 0.00040));
point.push(new GLatLng(lat + 0.00070, lng + 0.00040));
point.push(new GLatLng(lat + 0.00110, lng + 0.00050));
point.push(new GLatLng(lat + 0.00150, lng + 0.00050));
point.push(new GLatLng(lat + 0.00150, lng - 0.00000));
point.push(new GLatLng(lat + 0.00150, lng - 0.00040));
point.push(new GLatLng(lat + 0.00150, lng - 0.00080));
// Add markers on map
for(var n=0;n<point.length;n++)
{
marker[n] = new GMarker(point[n], {icon:icon, draggable: true});
map.addOverlay(marker[n]);
marker[n].enableDragging();
GEvent.addListener(marker[n],'drag',function(){draw()});
};
// Draw polygon on map
function draw()
{
poly.length=0;
for(var i=0;i<marker.length;i++)
{
poly.push(marker[i].getPoint());
}
poly.push(marker[0].getPoint());
if(line){map.removeOverlay(line)};
line=new GPolygon(poly,'#FF0000', 3, 1,'#0000FF',0.2);
map.addOverlay(line);
};
Then I try to use this function to grab the coordinates and then it is
says point[] is undefined
It is just a sample as I just tried to see if I could catch the
point[] values
function uploadData()
{
alert (point[0]);
}
Could anyone help, please?
Thanks in advance
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