Hello,
i want to edit the radius of an excisting polygon. below you find te
funtion i use to add a polygon to the map. i already looked at
http://econym.googlepages.com/index.htm but didn't find the right
thing.
thanks
kind regards
Bas
<script>
function drawCircle(lat, lng, radius, strokeColor, strokeWidth,
strokeOpacity, fillColor, fillOpacity) {
map.clearOverlays();
var d2r = Math.PI/180;
var r2d = 180/Math.PI;
var Clat = radius * 0.014483; // Convert statute miles into
degrees
latitude
var Clng = Clat/Math.cos(lat*d2r);
var Cpoints = [];
for (var i=0; i < 33; i++) {
var theta = Math.PI * (i/16);
Cy = lat + (Clat * Math.sin(theta));
Cx = lng + (Clng * Math.cos(theta));
var P = new GPoint(Cx,Cy);
Cpoints.push(P);
}
var polygon = new GPolygon(Cpoints, strokeColor, strokeWidth,
strokeOpacity, fillColor, fillOpacity);
map.addOverlay(polygon);
}
</script>
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