Este exemplo demonstra como poderá alterar o estilo do polígono (polygon).
<html>
<head>
<title>Polygon Custom Style</title>
<script type="text/javascript" src="http://js.sapo.pt/Bundles/SAPOMapsAPI.js"></script>
<script type='text/javascript'>
function init() {
var map = new SAPO.Maps.Map('mapDiv');
var polygon = new SAPO.Maps.Polygon([new OpenLayers.LonLat(-9, 37),
new OpenLayers.LonLat(-8, 40),
new OpenLayers.LonLat(-9, 42),
new OpenLayers.LonLat(-9, 37),
],
{
strokeColor: '#FF00FF',
strokeOpacity: 1,
strokeWidth: 6,
strokeDashstyle: 'dasht',
fillColor: '#000000',
fillOpacity: 0.5
});
map.addOverlay(polygon);
}
</script>
</head>
<body onload='init();'>
<div id='mapDiv' style='width:980px; height:400px;'></div>
</body>
</html>