/home/desid573/phewl.desidrivers.com.au/v3-utility-library-master/arcgislink/examples
Edit: /home/desid573/phewl.desidrivers.com.au/v3-utility-library-master/arcgislink/examples/buffer.js (3175B)
var map, svc, iw, skip;
var poly, map;
var markers = [];
var buffers = [];
var path = new google.maps.MVCArray();
// If very complex geometry then it's a good idea to set up your proxy.
//gmaps.ags.Config.proxyUrl = '/proxy/proxy.ashx';
function init() {
var myOptions = {
zoom: 15,
center: new google.maps.LatLng(35.23, -80.84),
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControlOptions: {
mapTypeIds: [google.maps.MapTypeId.ROADMAP]
}
}
map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
poly = new google.maps.Polygon({
strokeWeight: 3,
fillColor: '#5555FF'
});
poly.setMap(map);
poly.setPaths(new google.maps.MVCArray([path]));
google.maps.event.addListener(map, 'click', addPoint);
svc = new gmaps.ags.GeometryService('http://sampleserver3.arcgisonline.com/arcgis/rest/services/Geometry/GeometryServer');
iw = new google.maps.InfoWindow({
maxWidth: 250,
content: 'Draw polygon by:
- Click map to add a Vertex
- Drag marker to adjust
- Click marker to delete vertex
',
position: map.getCenter()
});
iw.open(map);
}
function addPoint(event) {
// maybe a V3 bug: map click event should not triger by poly click
if (iw) {
iw.close();
iw = null;
}
path.insertAt(path.length, event.latLng);
var marker = new google.maps.Marker({
position: event.latLng,
map: map,
draggable: true
});
markers.push(marker);
marker.setTitle("#" + path.length);
google.maps.event.addListener(marker, 'click', function() {
marker.setMap(null);
for (var i = 0, I = markers.length; i < I; i++) {
if (markers[i] == marker) {
markers.splice(i, 1);
path.removeAt(i);
break;
}
}
doBuffer();
});
google.maps.event.addListener(marker, 'dragend', function() {
for (var i = 0, I = markers.length; i < I; i++) {
if (markers[i] == marker) {
path.setAt(i, marker.getPosition());
break;
}
}
doBuffer();
});
doBuffer();
}
function doBuffer() {
if (markers.length > 2) {
for (var i = 0; i < buffers.length; i++) {
buffers[i].setMap(null);
}
buffers.length = 0;
var params = {
geometries: [poly],
bufferSpatialReference: 102113,//gmaps.ags.SpatialReference.WEB_MERCATOR,
distances: [500, 1000],
unit: 9001,
unionResults: true, overlayOptions:{clickable:false}
};
svc.buffer(params, function(results, err) {
if (!err) {
var g;
for (var i = 0, I = results.geometries.length; i < I; i++) {
for (var j = 0, J = results.geometries[i].length; j < J; j++) {
g = results.geometries[i][j];
g.setMap(map);
buffers.push(g);
}
}
} else {
alert(err.message + err.details.join(','));
}
});
}
}
function closeWin(){
if (iw) {
iw.close();
}
}
window.onload = init;
window['closeWin'] = closeWin;
