var BMapLib=window.BMapLib=BMapLib||{};(function(){var a=6370996.81;var b=BMapLib.GeoUtils=function(){};b.isPointInRect=function(f,g){if(!(f instanceof BMap.Point)||!(g instanceof BMap.Bounds)){return false}var e=g.getSouthWest();var h=g.getNorthEast();return(f.lng>=e.lng&&f.lng<=h.lng&&f.lat>=e.lat&&f.lat<=h.lat)};b.isPointInCircle=function(e,h){if(!(e instanceof BMap.Point)||!(h instanceof BMap.Circle)){return false}var i=h.getCenter();var g=h.getRadius();var f=b.getDistance(e,i);if(f<=g){return true}else{return false}};b.isPointOnPolyline=function(f,h){if(!(f instanceof BMap.Point)||!(h instanceof BMap.Polyline)){return false}var e=h.getBounds();if(!this.isPointInRect(f,e)){return false}var m=h.getPath();for(var k=0;k<m.length-1;k++){var l=m[k];var j=m[k+1];if(f.lng>=Math.min(l.lng,j.lng)&&f.lng<=Math.max(l.lng,j.lng)&&f.lat>=Math.min(l.lat,j.lat)&&f.lat<=Math.max(l.lat,j.lat)){var g=(l.lng-f.lng)*(j.lat-f.lat)-(j.lng-f.lng)*(l.lat-f.lat);if(g<2e-10&&g>-2e-10){return true}}}return false};b.isPointInPolygon=function(o,l){if(!(o instanceof BMap.Point)||!(l instanceof BMap.Polygon)){return false}var k=l.getBounds();if(!this.isPointInRect(o,k)){return false}var t=l.getPath();var h=t.length;var n=true;var j=0;var g=2e-10;var s,q;var e=o;s=t[0];for(var f=1;f<=h;++f){if(e.equals(s)){return n}q=t[f%h];if(e.lat<Math.min(s.lat,q.lat)||e.lat>Math.max(s.lat,q.lat)){s=q;continue}if(e.lat>Math.min(s.lat,q.lat)&&e.lat<Math.max(s.lat,q.lat)){if(e.lng<=Math.max(s.lng,q.lng)){if(s.lat==q.lat&&e.lng>=Math.min(s.lng,q.lng)){return n}if(s.lng==q.lng){if(s.lng==e.lng){return n}else{++j}}else{var r=(e.lat-s.lat)*(q.lng-s.lng)/(q.lat-s.lat)+s.lng;if(Math.abs(e.lng-r)<g){return n}if(e.lng<r){++j}}}}else{if(e.lat==q.lat&&e.lng<=q.lng){var m=t[(f+1)%h];if(e.lat>=Math.min(s.lat,m.lat)&&e.lat<=Math.max(s.lat,m.lat)){++j}else{j+=2}}}s=q}if(j%2==0){return false}else{return true}};b.degreeToRad=function(e){return Math.PI*e/180};b.radToDegree=function(e){return(180*e)/Math.PI};function d(g,f,e){if(f!=null){g=Math.max(g,f)}if(e!=null){g=Math.min(g,e)}return g}function c(g,f,e){while(g>e){g-=e-f}while(g<f){g+=e-f}return g}b.getDistance=function(j,h){if(!(j instanceof BMap.Point)||!(h instanceof BMap.Point)){return 0}j.lng=c(j.lng,-180,180);j.lat=d(j.lat,-74,74);h.lng=c(h.lng,-180,180);h.lat=d(h.lat,-74,74);var f,e,i,g;f=b.degreeToRad(j.lng);i=b.degreeToRad(j.lat);e=b.degreeToRad(h.lng);g=b.degreeToRad(h.lat);return a*Math.acos((Math.sin(i)*Math.sin(g)+Math.cos(i)*Math.cos(g)*Math.cos(e-f)))};b.getPolylineDistance=function(f){if(f instanceof BMap.Polyline||f instanceof Array){var l;if(f instanceof BMap.Polyline){l=f.getPath()}else{l=f}if(l.length<2){return 0}var j=0;for(var h=0;h<l.length-1;h++){var k=l[h];var g=l[h+1];var e=b.getDistance(k,g);j+=e}return j}else{return 0}};b.getPolygonArea=function(t){if(!(t instanceof BMap.Polygon)&&!(t instanceof Array)){return 0}var R;if(t instanceof BMap.Polygon){R=t.getPath()}else{R=t}if(R.length<3){return 0}var w=0;var D=0;var C=0;var L=0;var J=0;var F=0;var E=0;var S=0;var H=0;var p=0;var T=0;var I=0;var q=0;var e=0;var M=0;var v=0;var K=0;var N=0;var s=0;var O=0;var l=0;var g=0;var z=0;var Q=0;var G=0;var j=0;var A=0;var o=0;var m=0;var y=0;var x=0;var h=0;var k=0;var f=0;var n=a;var B=R.length;for(var P=0;P<B;P++){if(P==0){D=R[B-1].lng*Math.PI/180;C=R[B-1].lat*Math.PI/180;L=R[0].lng*Math.PI/180;J=R[0].lat*Math.PI/180;F=R[1].lng*Math.PI/180;E=R[1].lat*Math.PI/180}else{if(P==B-1){D=R[B-2].lng*Math.PI/180;C=R[B-2].lat*Math.PI/180;L=R[B-1].lng*Math.PI/180;J=R[B-1].lat*Math.PI/180;F=R[0].lng*Math.PI/180;E=R[0].lat*Math.PI/180}else{D=R[P-1].lng*Math.PI/180;C=R[P-1].lat*Math.PI/180;L=R[P].lng*Math.PI/180;J=R[P].lat*Math.PI/180;F=R[P+1].lng*Math.PI/180;E=R[P+1].lat*Math.PI/180}}S=Math.cos(J)*Math.cos(L);H=Math.cos(J)*Math.sin(L);p=Math.sin(J);T=Math.cos(C)*Math.cos(D);I=Math.cos(C)*Math.sin(D);q=Math.sin(C);e=Math.cos(E)*Math.cos(F);M=Math.cos(E)*Math.sin(F);v=Math.sin(E);K=(S*S+H*H+p*p)/(S*T+H*I+p*q);N=(S*S+H*H+p*p)/(S*e+H*M+p*v);s=K*T-S;O=K*I-H;l=K*q-p;g=N*e-S;z=N*M-H;Q=N*v-p;m=(g*s+z*O+Q*l)/(Math.sqrt(g*g+z*z+Q*Q)*Math.sqrt(s*s+O*O+l*l));m=Math.acos(m);G=z*l-Q*O;j=0-(g*l-Q*s);A=g*O-z*s;if(S!=0){o=G/S}else{if(H!=0){o=j/H}else{o=A/p}}if(o>0){y+=m;k++}else{x+=m;h++}}var u,r;u=y+(2*Math.PI*h-x);r=(2*Math.PI*k-y)+x;if(y>x){if((u-(B-2)*Math.PI)<1){f=u}else{f=r}}else{if((r-(B-2)*Math.PI)<1){f=r}else{f=u}}w=(f-(B-2)*Math.PI)*n*n;return w}})();
