Initial version.

bower.json

@@ -0,0 +1,16 @@
+{
+  "name": "leaflet.sector",
+  "main": "leaflet.sector.js",
+  "homepage": "https://github.com/tookko/leaflet.sector",
+  "description": "A circle sector overlay with a certain radius in meters, theta angle and rotation angle for Leaflet.",
+  "moduleType": [],
+  "keywords": [
+    "leaflet",
+    "sector",
+    "circle"
+  ],
+  "authors": [
+    "Sampsa Tuokko"
+  ],
+  "license": "MIT"
+}

leaflet.sector.js

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+/*
+ * L.Sector is a circle sector overlay (with a certain radius in meters, theta angle and rotation angle).
+ */
+
+L.Sector = L.Circle.extend({
+	initialize: function (latlng, radius, theta, azimuth, options) {
+		L.Circle.prototype.initialize.call(this, latlng, radius, options);
+		this._theta = (theta < 360 ? theta : 359.9999) * Math.PI / 180;
+        this._azimuth = (azimuth % 360 - 90) * Math.PI / 180 ;
+	},
+
+	getPathString: function () {
+		var p = this._point;
+        var r = this._radius;
+
+        var a = {
+            x: p.x + r * Math.cos(this._azimuth + this._theta / 2),
+            y: p.y + r * Math.sin(this._azimuth + this._theta / 2)
+        };
+
+        var b = {
+            x: p.x + r * Math.cos(this._azimuth - this._theta / 2),
+            y: p.y + r * Math.sin(this._azimuth - this._theta / 2)
+        };
+
+		if (this._checkIfEmpty()) {
+			return '';
+		}
+
+		if (L.Browser.svg) {
+            return 'M' + p.x + ',' + p.y +
+                    ' L' + a.x + ',' + a.y +
+                    ' A' + r + ',' + r + ',0,' + (this._theta < Math.PI ? 0 : 1) + ',0,' + b.x + ',' + b.y +
+                    ' z';
+		} else {
+			p._round();
+			r = Math.round(r);
+			return 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r + ' 0,' + (65535 * 360); // TODO: support non-svg browsers
+		}
+	}
+});
+
+L.sector = function (latlng, radius, theta, azimuth, options) {
+	return new L.Sector(latlng, radius, theta, azimuth, options);
+};