googlemaps-v3-utility-library
Version:
Google Maps API V3 Utility Library
35 lines (34 loc) • 12.5 kB
JavaScript
(function(){/*
http://google-maps-utility-library-v3.googlecode.com
*/
var f=Math.PI/180,da=0;window.ags_jsonp=window.ags_jsonp||{};var h=google.maps,j,l,q,r={G:null,C:false},t={},u={};function v(a,b,c){var d=b===""?0:a.indexOf(b);return a.substring(d+b.length,c===""?a.length:a.indexOf(c,d+b.length))}function w(a,b,c){if(a&&b){var d;for(d in a)if(c||!(d in b))b[d]=a[d]}return b}function x(){h.event.trigger.apply(this,arguments)}
function ea(){if(typeof XMLHttpRequest==="undefined"){try{return new ActiveXObject("Msxml2.XMLHTTP.6.0")}catch(a){}try{return new ActiveXObject("Msxml2.XMLHTTP.3.0")}catch(b){}try{return new ActiveXObject("Msxml2.XMLHTTP")}catch(c){}throw new Error("This browser does not support XMLHttpRequest.");}else return new XMLHttpRequest}var y="esriGeometryPoint",B="esriGeometryMultipoint",C="esriGeometryPolyline",D="esriGeometryPolygon",E="esriGeometryEnvelope";
function fa(a){var b=a;if(a&&a.splice&&a.length>0)b=a[0];if(b instanceof h.LatLng||b instanceof h.Marker)return a&&a.splice&&a.length>1?B:y;else if(b instanceof h.Polyline)return C;else if(b instanceof h.Polygon)return D;else if(b instanceof h.LatLngBounds)return E;else if(b.x!==undefined&&b.y!==undefined)return y;else if(b.points)return B;else if(b.paths)return C;else if(b.rings)return D;return null}
function F(a){var b=a;if(a&&a.splice&&a.length>0)b=a[0];if(b&&b.splice&&b.length>0)b=b[0];if(b instanceof h.LatLng||b instanceof h.Marker||b instanceof h.Polyline||b instanceof h.Polygon||b instanceof h.LatLngBounds)return true;return false}function J(a){if(!a)return null;return typeof a==="number"?a:a.wkid?a.wkid:a.toJSON()}
function K(a,b){for(var c=[],d,e=0,g=a.getLength();e<g;e++){d=a.getAt(e);c.push("["+d.lng()+","+d.lat()+"]")}b&&c.length>0&&c.push("["+a.getAt(0).lng()+","+a.getAt(0).lat()+"]");return c.join(",")}
function L(a){var b;if(typeof a==="object")if(a&&a.splice){b=[];for(var c=0,d=a.length;c<d;c++)b.push(L(a[c]));return"["+b.join(",")+"]"}else if(F(a)){var e;d="{";switch(fa(a)){case y:e=a&&a.splice?a[0]:a;if(e instanceof h.Marker)e=e.getPosition();d+="x:"+e.lng()+",y:"+e.lat();break;case B:c=[];for(b=0;b<a.length;b++){e=a[b]instanceof h.Marker?a[b].getPosition():a[b];c.push("["+e.lng()+","+e.lat()+"]")}d+="points: ["+c.join(",")+"]";break;case C:c=[];a=a&&a.splice?a:[a];for(b=0;b<a.length;b++)c.push("["+
K(a[b].getPath())+"]");d+="paths:["+c.join(",")+"]";break;case D:c=[];e=a&&a.splice?a[0]:a;a=e.getPaths();for(b=0;b<a.getLength();b++)c.push("["+K(a.getAt(b),true)+"]");d+="rings:["+c.join(",")+"]";break;case E:e=a&&a.splice?a[0]:a;d+="xmin:"+e.getSouthWest().lng()+",ymin:"+e.getSouthWest().lat()+",xmax:"+e.getNorthEast().lng()+",ymax:"+e.getNorthEast().lat();break}d+=", spatialReference:{wkid:4326}";d+="}";return d}else if(a.toJSON)return a.toJSON();else{b="";for(c in a)if(a.hasOwnProperty(c)){if(b.length>
0)b+=", ";b+=c+":"+L(a[c])}return"{"+b+"}"}return a.toString()}function ga(a){var b="";if(a){a.f=a.f||"json";for(var c in a)if(a.hasOwnProperty(c)&&a[c]!==null&&a[c]!==undefined){var d=L(a[c]);b+=(b.length>0?"&":"")+(c+"="+(escape?escape(d):encodeURIComponent(d)))}}return b}
function M(a,b,c,d){var e="ags_jsonp_"+da++ +"_"+Math.floor(Math.random()*1E6),g=null;b=b||{};b[c||"callback"]="ags_jsonp."+e;b=ga(b);var n=document.getElementsByTagName("head")[0];if(!n)throw new Error("document must have header tag");window.ags_jsonp[e]=function(){window.ags_jsonp[e]&&delete window.ags_jsonp[e];g&&n.removeChild(g);g=null;d.apply(null,arguments);x(u,"jsonpend",e)};if((b+a).length<2E3&&!r.C){g=document.createElement("script");g.src=a+(a.indexOf("?")===-1?"?":"&")+b;g.id=e;n.appendChild(g)}else{c=
window.location;c=c.protocol+"//"+c.hostname+(!c.port||c.port===80?"":":"+c.port+"/");var o=true;if(a.toLowerCase().indexOf(c.toLowerCase())!==-1)o=false;if(r.C)o=true;if(o&&!r.G)throw new Error("No proxyUrl property in Config is defined");var k=ea();k.onreadystatechange=function(){if(k.readyState===4)if(k.status===200)eval(k.responseText);else throw new Error("Error code "+k.status);};k.open("POST",o?r.G+"?"+a:a,true);k.setRequestHeader("Content-Type","application/x-www-form-urlencoded");k.send(b)}x(u,
"jsonpstart",e);return e}u.Q=function(a,b,c,d){M(a,b,c,d)};u.B=function(a,b){if(b&&b.splice)for(var c,d=0,e=b.length;d<e;d++)if((c=b[d])&&c.splice)u.B(a,c);else F(c)&&c.setMap(a)};u.T=function(a,b){u.B(null,a);if(b)a.length=0};function N(a){a=a||{};this.wkid=a.wkid;this.wkt=a.wkt}N.prototype.forward=function(a){return a};N.prototype.i=function(){return 360};N.prototype.toJSON=function(){return"{"+(this.wkid?" wkid:"+this.wkid:"wkt: '"+this.wkt+"'")+"}"};function O(a){a=a||{};N.call(this,a)}
O.prototype=new N;function P(a){a=a||{};N.call(this,a);var b=a.r,c=a.v*f,d=a.w*f,e=a.s*f;this.a=a.j/a.unit;this.g=a.h*f;this.k=a.p;this.l=a.q;a=1/b;b=2*a-a*a;this.c=Math.sqrt(b);a=this.d(c,b);b=this.d(d,b);e=Q(this,e,this.c);c=Q(this,c,this.c);d=Q(this,d,this.c);this.b=Math.log(a/b)/Math.log(c/d);this.A=a/(this.b*Math.pow(c,this.b));this.t=this.m(this.a,this.A,e,this.b)}P.prototype=new N;P.prototype.d=function(a,b){var c=Math.sin(a);return Math.cos(a)/Math.sqrt(1-b*c*c)};
function Q(a,b,c){a=c*Math.sin(b);return Math.tan(Math.PI/4-b/2)/Math.pow((1-a)/(1+a),c/2)}P.prototype.m=function(a,b,c,d){return a*b*Math.pow(c,d)};P.prototype.forward=function(a){var b=a[0]*f;a=this.m(this.a,this.A,Q(this,a[1]*f,this.c),this.b);b=this.b*(b-this.g);return[this.k+a*Math.sin(b),this.l+this.t-a*Math.cos(b)]};P.prototype.i=function(){return Math.PI*2*this.a};
function R(a){a=a||{};N.call(this,a);this.a=a.j/a.unit;var b=a.r;this.F=a.P;var c=a.s*f;this.g=a.h*f;this.k=a.p;this.l=a.q;a=1/b;this.e=2*a-a*a;this.o=this.e*this.e;this.D=this.o*this.e;this.n=this.e/(1-this.e);this.J=this.d(c,this.a,this.e,this.o,this.D)}R.prototype=new N;R.prototype.d=function(a,b,c,d,e){return b*((1-c/4-3*d/64-5*e/256)*a-(3*c/8+3*d/32+45*e/1024)*Math.sin(2*a)+(15*d/256+45*e/1024)*Math.sin(4*a)-35*e/3072*Math.sin(6*a))};
R.prototype.forward=function(a){var b=a[1]*f,c=a[0]*f;a=this.a/Math.sqrt(1-this.e*Math.pow(Math.sin(b),2));var d=Math.pow(Math.tan(b),2),e=this.n*Math.pow(Math.cos(b),2);c=(c-this.g)*Math.cos(b);var g=this.d(b,this.a,this.e,this.o,this.D);return[this.k+this.F*a*(c+(1-d+e)*Math.pow(c,3)/6+(5-18*d+d*d+72*e-58*this.n)*Math.pow(c,5)/120),this.l+this.F*(g-this.J)+a*Math.tan(b)*(c*c/2+(5-d+9*e+4*e*e)*Math.pow(c,4)/120+(61-58*d+d*d+600*e-330*this.n)*Math.pow(c,6)/720)]};
R.prototype.i=function(){return Math.PI*2*this.a};function S(a){a=a||{};N.call(this,a);this.a=(a.j||6378137)/(a.unit||1);this.g=(a.h||0)*f}S.prototype=new N;S.prototype.forward=function(a){var b=a[1]*f;return[this.a*(a[0]*f-this.g),this.a/2*Math.log((1+Math.sin(b))/(1-Math.sin(b)))]};S.prototype.i=function(){return Math.PI*2*this.a};
function U(a){a=a||{};N.call(this,a);var b=a.r,c=a.v*f,d=a.w*f,e=a.s*f;this.a=a.j/a.unit;this.g=a.h*f;this.k=a.p;this.l=a.q;a=1/b;b=2*a-a*a;this.c=Math.sqrt(b);a=this.d(c,b);b=this.d(d,b);c=V(this,c,this.c);d=V(this,d,this.c);e=V(this,e,this.c);this.b=(a*a-b*b)/(d-c);this.z=a*a+this.b*c;this.t=this.m(this.a,this.z,this.b,e)}U.prototype=new N;U.prototype.d=function(a,b){var c=Math.sin(a);return Math.cos(a)/Math.sqrt(1-b*c*c)};
function V(a,b,c){a=c*Math.sin(b);return(1-c*c)*(Math.sin(b)/(1-a*a)-1/(2*c)*Math.log((1-a)/(1+a)))}U.prototype.m=function(a,b,c,d){return a*Math.sqrt(b-c*d)/c};U.prototype.forward=function(a){var b=a[0]*f;a=this.m(this.a,this.z,this.b,V(this,a[1]*f,this.c));b=this.b*(b-this.g);return[this.k+a*Math.sin(b),this.l+this.t-a*Math.cos(b)]};U.prototype.i=function(){return Math.PI*2*this.a};U.prototype.i=function(){return Math.PI*2*this.a};j=new O({wkid:4326});l=new O({wkid:4269});
q=new S({wkid:102113,j:6378137,h:0,unit:1});t={"4326":j,"4269":l,"102113":q,"102100":new S({wkid:102100,j:6378137,h:0,unit:1})};
u.S=function(a,b){var c=t[""+a];if(c)return c;if(b instanceof N)c=t[""+a]=b;else{c=b||a;var d={wkt:a};if(a===parseInt(a,10))d={wkid:a};var e=v(c,'PROJECTION["','"]'),g=v(c,"SPHEROID[","]").split(",");if(e!==""){d.unit=parseFloat(v(v(c,"PROJECTION",""),"UNIT[","]").split(",")[1]);d.j=parseFloat(g[1]);d.r=parseFloat(g[2]);d.s=parseFloat(v(c,'"Latitude_Of_Origin",',"]"));d.h=parseFloat(v(c,'"Central_Meridian",',"]"));d.p=parseFloat(v(c,'"False_Easting",',"]"));d.q=parseFloat(v(c,'"False_Northing",',
"]"))}switch(e){case "":c=new N(d);break;case "Lambert_Conformal_Conic":d.v=parseFloat(v(c,'"Standard_Parallel_1",',"]"));d.w=parseFloat(v(c,'"Standard_Parallel_2",',"]"));c=new P(d);break;case "Transverse_Mercator":d.P=parseFloat(v(c,'"Scale_Factor",',"]"));c=new R(d);break;case "Albers":d.v=parseFloat(v(c,'"Standard_Parallel_1",',"]"));d.w=parseFloat(v(c,'"Standard_Parallel_2",',"]"));c=new U(d);break;default:throw new Error(e+" not supported");}if(c)t[""+a]=c}return c};
function W(a){this.url=a;this.K=false;var b=this;M(a,{},"",function(c){w(c,b);b.K=true;x(b,"load")})}
W.prototype.execute=function(a,b,c){var d={};a.parameters&&w(a.parameters,d);d["env:outSR"]=a.outSpatialReference?J(a.outSpatialReference):4326;if(a.O)d["env:processSR"]=J(a.O);M(this.url+"/execute",d,"",function(e){if(e.results)for(var g,n,o=0;o<e.results.length;o++){g=e.results[o];if(g.dataType==="GPFeatureRecordSetLayer")for(var k=0,z=g.value.features.length;k<z;k++){n=g.value.features[k];if(n.geometry){var i;a:{i=n.geometry;var p=a.overlayOptions,s=null,m=void 0,G=void 0,aa=void 0;m=void 0;var ba=
void 0,H=void 0,A=void 0,T=void 0,I=void 0;p=p||{};if(i){s=[];if(i.x){m=new h.Marker(w(p.markerOptions||p,{position:new h.LatLng(i.y,i.x)}));s.push(m)}else{H=i.points||i.paths||i.rings;if(!H){i=s;break a}var ca=[];G=0;for(aa=H.length;G<aa;G++){A=H[G];if(i.points){m=new h.Marker(w(p.markerOptions||p,{position:new h.LatLng(A[1],A[0])}));s.push(m)}else{I=[];m=0;for(ba=A.length;m<ba;m++){T=A[m];I.push(new h.LatLng(T[1],T[0]))}if(i.paths){m=new h.Polyline(w(p.polylineOptions||p,{path:I}));s.push(m)}else i.rings&&
ca.push(I)}}if(i.rings){m=new h.Polygon(w(p.R||p,{paths:ca}));s.push(m)}}}i=s}n.geometry=i}}}b(e);c&&e&&e.error&&c(e.error)})};
function X(a){this.L=a?a.lods:null;this.u=a?t[a.spatialReference.wkid||a.spatialReference.wkt]:q;if(!this.u)throw new Error("unsupported Spatial Reference");this.H=a?a.lods[0].resolution:156543.033928;this.minZoom=Math.floor(Math.log(this.u.i()/this.H/256)/Math.LN2+0.5);this.maxZoom=a?this.minZoom+this.L.length-1:20;if(h.Size)this.U=a?new h.Size(a.cols,a.rows):new h.Size(256,256);this.I=Math.pow(2,this.minZoom)*this.H;this.M=a?a.origin.x:-2.0037508342787E7;this.N=a?a.origin.y:2.0037508342787E7;if(a)for(var b,
c=0;c<a.lods.length-1;c++){b=a.lods[c].resolution/a.lods[c+1].resolution;if(b>2.001||b<1.999)throw new Error("This type of map cache is not supported in V3. \nScale ratio between zoom levels must be 2");}}X.prototype.fromLatLngToPoint=function(a,b){if(!a||isNaN(a.lat())||isNaN(a.lng()))return null;var c=this.u.forward([a.lng(),a.lat()]),d=b||new h.Point(0,0);d.x=(c[0]-this.M)/this.I;d.y=(this.N-c[1])/this.I;return d};X.prototype.fromLatLngToPoint=X.prototype.fromLatLngToPoint;new X;new h.OverlayView;
var ha=u;var Y,ia,Z,$=[],ja=["#ff0000","#ffff00","#00ff00"];function ka(){for(var a=0;a<$.length;a++)$[a].setMap(null);$.length=0;if(Z){Z.close();Z=null}}
function la(a){ka();ia.execute({parameters:{Input_Location:{features:[{geometry:a}],spatialReference:{wkid:4326}},Drive_Times:"1 3 5"}},function(b,c){if(c)alert(c.message+c.details.join(","));else for(var d,e,g,n=0;n<b.results.length;n++){d=b.results[n];for(var o=0,k=d.value.features.length;o<k;o++){e=d.value.features[o];if(e.geometry)for(var z=0,i=e.geometry.length;z<i;z++){g=e.geometry[z];$.push(g);g.setMap(Y);g.setOptions({fillColor:ja[$.length%ja.length]})}}}})}
window.onload=function(){var a={zoom:13,center:new google.maps.LatLng(35.23,-80.84),mapTypeId:google.maps.MapTypeId.ROADMAP};Y=new google.maps.Map(document.getElementById("map_canvas"),a);ia=new W("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Network/ESRI_DriveTime_US/GPServer/CreateDriveTimePolygons");google.maps.event.addListener(Y,"click",function(b){la(b.latLng)});google.maps.event.addListener(ha,"jsonpstart",function(){Y.setOptions({draggableCursor:"wait"})});google.maps.event.addListener(ha,
"jsonpend",function(){Y.setOptions({draggableCursor:"url(http://maps.gstatic.com/intl/en_us/mapfiles/openhand_8_8.cur),default"})});Z=new google.maps.InfoWindow({maxWidth:200,content:"Click map to get coverage area for driving time 1,2,3 min from that location.",position:Y.getCenter()});Z.open(Y)};})()