GPolygon.prototype.Contains=function(point){var j=0;var oddNodes=false;var x=point.lng();var y=point.lat();for(var i=0;i<this.getVertexCount();i++){j++;if(j==this.getVertexCount()){j=0;}
if(((this.getVertex(i).lat()<y)&&(this.getVertex(j).lat()>=y))||((this.getVertex(j).lat()<y)&&(this.getVertex(i).lat()>=y))){if(this.getVertex(i).lng()+(y-this.getVertex(i).lat())/(this.getVertex(j).lat()-this.getVertex(i).lat())*(this.getVertex(j).lng()-this.getVertex(i).lng())<x){oddNodes=!oddNodes}}}
return oddNodes;}
GPolygon.prototype.Area=function(){var a=0;var j=0;var b=this.Bounds();var x0=b.getSouthWest().lng();var y0=b.getSouthWest().lat();for(var i=0;i<this.getVertexCount();i++){j++;if(j==this.getVertexCount()){j=0;}
var x1=this.getVertex(i).distanceFrom(new GLatLng(this.getVertex(i).lat(),x0));var x2=this.getVertex(j).distanceFrom(new GLatLng(this.getVertex(j).lat(),x0));var y1=this.getVertex(i).distanceFrom(new GLatLng(y0,this.getVertex(i).lng()));var y2=this.getVertex(j).distanceFrom(new GLatLng(y0,this.getVertex(j).lng()));a+=x1*y2-x2*y1;}
return Math.abs(a*0.5);}
GPolygon.prototype.Distance=function(){var dist=0;for(var i=1;i<this.getVertexCount();i++){dist+=this.getVertex(i).distanceFrom(this.getVertex(i-1));}
return dist;}
GPolygon.prototype.Bounds=function(){var bounds=new GLatLngBounds();for(var i=0;i<this.getVertexCount();i++){bounds.extend(this.getVertex(i));}
return bounds;}
GPolygon.prototype.GetPointAtDistance=function(metres){if(metres==0)return this.getVertex(0);if(metres<0)return null;var dist=0;var olddist=0;for(var i=1;(i<this.getVertexCount()&&dist<metres);i++){olddist=dist;dist+=this.getVertex(i).distanceFrom(this.getVertex(i-1));}
if(dist<metres){return null;}
var p1=this.getVertex(i-2);var p2=this.getVertex(i-1);var m=(metres-olddist)/(dist-olddist);return new GLatLng(p1.lat()+(p2.lat()-p1.lat())*m,p1.lng()+(p2.lng()-p1.lng())*m);}
GPolygon.prototype.GetIndexAtDistance=function(metres){if(metres==0)return this.getVertex(0);if(metres<0)return null;var dist=0;var olddist=0;for(var i=1;(i<this.getVertexCount()&&dist<metres);i++){olddist=dist;dist+=this.getVertex(i).distanceFrom(this.getVertex(i-1));}
if(dist<metres){return null;}
return i;}
GPolygon.prototype.Bearing=function(v1,v2){if(v1==null){v1=0;v2=this.getVertexCount()-1;}else if(v2==null){v2=v1+1;}
if((v1<0)||(v1>=this.getVertexCount())||(v2<0)||(v2>=this.getVertexCount())){return;}
var from=this.getVertex(v1);var to=this.getVertex(v2);if(from.equals(to)){return 0;}
var lat1=from.latRadians();var lon1=from.lngRadians();var lat2=to.latRadians();var lon2=to.lngRadians();var angle=-Math.atan2(Math.sin(lon1-lon2)*Math.cos(lat2),Math.cos(lat1)*Math.sin(lat2)-Math.sin(lat1)*Math.cos(lat2)*Math.cos(lon1-lon2));if(angle<0.0)angle+=Math.PI*2.0;angle=angle*180.0/Math.PI;return parseFloat(angle.toFixed(1));}
GPolyline.prototype.Contains=GPolygon.prototype.Contains;GPolyline.prototype.Area=GPolygon.prototype.Area;GPolyline.prototype.Distance=GPolygon.prototype.Distance;GPolyline.prototype.Bounds=GPolygon.prototype.Bounds;GPolyline.prototype.GetPointAtDistance=GPolygon.prototype.GetPointAtDistance;GPolyline.prototype.GetIndexAtDistance=GPolygon.prototype.GetIndexAtDistance;GPolyline.prototype.Bearing=GPolygon.prototype.Bearing;