EDIT

/*

  proj4js.js -- Javascript reprojection library. 

  Authors:      Mike Adair madairATdmsolutions.ca

                Richard Greenwood richATgreenwoodmap.com

                Didier Richard didier.richardATign.fr

                Stephen Irons stephen.ironsATclear.net.nz

                Olivier Terral oterralATgmail.com

  License:      

 Copyright (c) 2012, Mike Adair, Richard Greenwood, Didier Richard, 

                     Stephen Irons and Olivier Terral

 Permission is hereby granted, free of charge, to any person obtaining a

 copy of this software and associated documentation files (the "Software"),

 to deal in the Software without restriction, including without limitation

 the rights to use, copy, modify, merge, publish, distribute, sublicense,

 and/or sell copies of the Software, and to permit persons to whom the

 Software is furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included

 in all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 DEALINGS IN THE SOFTWARE.

 Note: This program is an almost direct port of the C library PROJ.4.

*/

var Proj4js={defaultDatum:"WGS84",transform:function(a,c,b){if(!a.readyToUse)return this.reportError("Proj4js initialization for:"+a.srsCode+" not yet complete"),b;if(!c.readyToUse)return this.reportError("Proj4js initialization for:"+c.srsCode+" not yet complete"),b;if(a.datum&&c.datum&&((a.datum.datum_type==Proj4js.common.PJD_3PARAM||a.datum.datum_type==Proj4js.common.PJD_7PARAM)&&"WGS84"!=c.datumCode||(c.datum.datum_type==Proj4js.common.PJD_3PARAM||c.datum.datum_type==Proj4js.common.PJD_7PARAM)&&

"WGS84"!=a.datumCode)){var d=Proj4js.WGS84;this.transform(a,d,b);a=d}"enu"!=a.axis&&this.adjust_axis(a,!1,b);"longlat"==a.projName?(b.x*=Proj4js.common.D2R,b.y*=Proj4js.common.D2R):(a.to_meter&&(b.x*=a.to_meter,b.y*=a.to_meter),a.inverse(b));a.from_greenwich&&(b.x+=a.from_greenwich);b=this.datum_transform(a.datum,c.datum,b);c.from_greenwich&&(b.x-=c.from_greenwich);"longlat"==c.projName?(b.x*=Proj4js.common.R2D,b.y*=Proj4js.common.R2D):(c.forward(b),c.to_meter&&(b.x/=c.to_meter,b.y/=c.to_meter));

"enu"!=c.axis&&this.adjust_axis(c,!0,b);return b},datum_transform:function(a,c,b){if(a.compare_datums(c)||a.datum_type==Proj4js.common.PJD_NODATUM||c.datum_type==Proj4js.common.PJD_NODATUM)return b;if(a.es!=c.es||a.a!=c.a||a.datum_type==Proj4js.common.PJD_3PARAM||a.datum_type==Proj4js.common.PJD_7PARAM||c.datum_type==Proj4js.common.PJD_3PARAM||c.datum_type==Proj4js.common.PJD_7PARAM)a.geodetic_to_geocentric(b),(a.datum_type==Proj4js.common.PJD_3PARAM||a.datum_type==Proj4js.common.PJD_7PARAM)&&a.geocentric_to_wgs84(b),

(c.datum_type==Proj4js.common.PJD_3PARAM||c.datum_type==Proj4js.common.PJD_7PARAM)&&c.geocentric_from_wgs84(b),c.geocentric_to_geodetic(b);return b},adjust_axis:function(a,c,b){for(var d=b.x,e=b.y,f=b.z||0,g,i,h=0;3>h;h++)if(!c||!(2==h&&void 0===b.z))switch(0==h?(g=d,i="x"):1==h?(g=e,i="y"):(g=f,i="z"),a.axis[h]){case "e":b[i]=g;break;case "w":b[i]=-g;break;case "n":b[i]=g;break;case "s":b[i]=-g;break;case "u":void 0!==b[i]&&(b.z=g);break;case "d":void 0!==b[i]&&(b.z=-g);break;default:return alert("ERROR: unknow axis ("+

a.axis[h]+") - check definition of "+a.projName),null}return b},reportError:function(){},extend:function(a,c){a=a||{};if(c)for(var b in c){var d=c[b];void 0!==d&&(a[b]=d)}return a},Class:function(){for(var a=function(){this.initialize.apply(this,arguments)},c={},b,d=0;d<arguments.length;++d)b="function"==typeof arguments[d]?arguments[d].prototype:arguments[d],Proj4js.extend(c,b);a.prototype=c;return a},bind:function(a,c){var b=Array.prototype.slice.apply(arguments,[2]);return function(){var d=b.concat(Array.prototype.slice.apply(arguments,

[0]));return a.apply(c,d)}},scriptName:"proj4js-compressed.js",defsLookupService:"http://spatialreference.org/ref",libPath:null,getScriptLocation:function(){if(this.libPath)return this.libPath;for(var a=this.scriptName,c=a.length,b=document.getElementsByTagName("script"),d=0;d<b.length;d++){var e=b[d].getAttribute("src");if(e){var f=e.lastIndexOf(a);if(-1<f&&f+c==e.length){this.libPath=e.slice(0,-c);break}}}return this.libPath||""},loadScript:function(a,c,b,d){var e=document.createElement("script");

e.defer=!1;e.type="text/javascript";e.id=a;e.src=a;e.onload=c;e.onerror=b;e.loadCheck=d;/MSIE/.test(navigator.userAgent)&&(e.onreadystatechange=this.checkReadyState);document.getElementsByTagName("head")[0].appendChild(e)},checkReadyState:function(){if("loaded"==this.readyState)if(this.loadCheck())this.onload();else this.onerror()}};

Proj4js.Proj=Proj4js.Class({readyToUse:!1,title:null,projName:null,units:null,datum:null,x0:0,y0:0,localCS:!1,queue:null,initialize:function(a,c){this.srsCodeInput=a;this.queue=[];c&&this.queue.push(c);if(0<=a.indexOf("GEOGCS")||0<=a.indexOf("GEOCCS")||0<=a.indexOf("PROJCS")||0<=a.indexOf("LOCAL_CS"))this.parseWKT(a),this.deriveConstants(),this.loadProjCode(this.projName);else{if(0==a.indexOf("urn:")){var b=a.split(":");if(("ogc"==b[1]||"x-ogc"==b[1])&&"def"==b[2]&&"crs"==b[3])a=b[4]+":"+b[b.length-

1]}else 0==a.indexOf("http://")&&(b=a.split("#"),b[0].match(/epsg.org/)?a="EPSG:"+b[1]:b[0].match(/RIG.xml/)&&(a="IGNF:"+b[1]));this.srsCode=a.toUpperCase();0==this.srsCode.indexOf("EPSG")?(this.srsCode=this.srsCode,this.srsAuth="epsg",this.srsProjNumber=this.srsCode.substring(5)):0==this.srsCode.indexOf("IGNF")?(this.srsCode=this.srsCode,this.srsAuth="IGNF",this.srsProjNumber=this.srsCode.substring(5)):0==this.srsCode.indexOf("CRS")?(this.srsCode=this.srsCode,this.srsAuth="CRS",this.srsProjNumber=

this.srsCode.substring(4)):(this.srsAuth="",this.srsProjNumber=this.srsCode);this.loadProjDefinition()}},loadProjDefinition:function(){if(Proj4js.defs[this.srsCode])this.defsLoaded();else{var a=Proj4js.getScriptLocation()+"defs/"+this.srsAuth.toUpperCase()+this.srsProjNumber+".js";Proj4js.loadScript(a,Proj4js.bind(this.defsLoaded,this),Proj4js.bind(this.loadFromService,this),Proj4js.bind(this.checkDefsLoaded,this))}},loadFromService:function(){Proj4js.loadScript(Proj4js.defsLookupService+"/"+this.srsAuth+

"/"+this.srsProjNumber+"/proj4js/",Proj4js.bind(this.defsLoaded,this),Proj4js.bind(this.defsFailed,this),Proj4js.bind(this.checkDefsLoaded,this))},defsLoaded:function(){this.parseDefs();this.loadProjCode(this.projName)},checkDefsLoaded:function(){return Proj4js.defs[this.srsCode]?!0:!1},defsFailed:function(){Proj4js.reportError("failed to load projection definition for: "+this.srsCode);Proj4js.defs[this.srsCode]=Proj4js.defs.WGS84;this.defsLoaded()},loadProjCode:function(a){if(Proj4js.Proj[a])this.initTransforms();

else{var c=Proj4js.getScriptLocation()+"projCode/"+a+".js";Proj4js.loadScript(c,Proj4js.bind(this.loadProjCodeSuccess,this,a),Proj4js.bind(this.loadProjCodeFailure,this,a),Proj4js.bind(this.checkCodeLoaded,this,a))}},loadProjCodeSuccess:function(a){Proj4js.Proj[a].dependsOn?this.loadProjCode(Proj4js.Proj[a].dependsOn):this.initTransforms()},loadProjCodeFailure:function(a){Proj4js.reportError("failed to find projection file for: "+a)},checkCodeLoaded:function(a){return Proj4js.Proj[a]?!0:!1},initTransforms:function(){Proj4js.extend(this,

Proj4js.Proj[this.projName]);this.init();this.readyToUse=!0;if(this.queue)for(var a;a=this.queue.shift();)a.call(this,this)},wktRE:/^(\w+)\[(.*)\]$/,parseWKT:function(a){if(a=a.match(this.wktRE)){var c=a[1],b=a[2].split(","),d;d="TOWGS84"==c.toUpperCase()?c:b.shift();d=d.replace(/^\"/,"");d=d.replace(/\"$/,"");for(var a=[],e=0,f="",g=0;g<b.length;++g){for(var i=b[g],h=0;h<i.length;++h)"["==i.charAt(h)&&++e,"]"==i.charAt(h)&&--e;f+=i;0===e?(a.push(f),f=""):f+=","}switch(c){case "LOCAL_CS":this.projName=

"identity";this.localCS=!0;this.srsCode=d;break;case "GEOGCS":this.projName="longlat";this.geocsCode=d;this.srsCode||(this.srsCode=d);break;case "PROJCS":this.srsCode=d;break;case "PROJECTION":this.projName=Proj4js.wktProjections[d];break;case "DATUM":this.datumName=d;break;case "LOCAL_DATUM":this.datumCode="none";break;case "SPHEROID":this.ellps=d;this.a=parseFloat(a.shift());this.rf=parseFloat(a.shift());break;case "PRIMEM":this.from_greenwich=parseFloat(a.shift());break;case "UNIT":this.units=

d;this.unitsPerMeter=parseFloat(a.shift());break;case "PARAMETER":c=d.toLowerCase();b=parseFloat(a.shift());switch(c){case "false_easting":this.x0=b;break;case "false_northing":this.y0=b;break;case "scale_factor":this.k0=b;break;case "central_meridian":this.long0=b*Proj4js.common.D2R;break;case "latitude_of_origin":this.lat0=b*Proj4js.common.D2R}break;case "TOWGS84":this.datum_params=a;break;case "AXIS":c=d.toLowerCase();b=a.shift();switch(b){case "EAST":b="e";break;case "WEST":b="w";break;case "NORTH":b=

"n";break;case "SOUTH":b="s";break;case "UP":b="u";break;case "DOWN":b="d";break;default:b=" "}this.axis||(this.axis="enu");switch(c){case "x":this.axis=b+this.axis.substr(1,2);break;case "y":this.axis=this.axis.substr(0,1)+b+this.axis.substr(2,1);break;case "z":this.axis=this.axis.substr(0,2)+b}}for(g=0;g<a.length;++g)this.parseWKT(a[g])}},parseDefs:function(){this.defData=Proj4js.defs[this.srsCode];var a,c;if(this.defData){for(var b=this.defData.split("+"),d=0;d<b.length;d++)switch(c=b[d].split("="),

a=c[0].toLowerCase(),c=c[1],a.replace(/\s/gi,"")){case "title":this.title=c;break;case "proj":this.projName=c.replace(/\s/gi,"");break;case "units":this.units=c.replace(/\s/gi,"");break;case "datum":this.datumCode=c.replace(/\s/gi,"");break;case "nadgrids":this.nagrids=c.replace(/\s/gi,"");break;case "ellps":this.ellps=c.replace(/\s/gi,"");break;case "a":this.a=parseFloat(c);break;case "b":this.b=parseFloat(c);break;case "rf":this.rf=parseFloat(c);break;case "lat_0":this.lat0=c*Proj4js.common.D2R;

break;case "lat_1":this.lat1=c*Proj4js.common.D2R;break;case "lat_2":this.lat2=c*Proj4js.common.D2R;break;case "lat_ts":this.lat_ts=c*Proj4js.common.D2R;break;case "lon_0":this.long0=c*Proj4js.common.D2R;break;case "alpha":this.alpha=parseFloat(c)*Proj4js.common.D2R;break;case "lonc":this.longc=c*Proj4js.common.D2R;break;case "x_0":this.x0=parseFloat(c);break;case "y_0":this.y0=parseFloat(c);break;case "k_0":this.k0=parseFloat(c);break;case "k":this.k0=parseFloat(c);break;case "r_a":this.R_A=!0;break;

case "zone":this.zone=parseInt(c,10);break;case "south":this.utmSouth=!0;break;case "towgs84":this.datum_params=c.split(",");break;case "to_meter":this.to_meter=parseFloat(c);break;case "from_greenwich":this.from_greenwich=c*Proj4js.common.D2R;break;case "pm":c=c.replace(/\s/gi,"");this.from_greenwich=Proj4js.PrimeMeridian[c]?Proj4js.PrimeMeridian[c]:parseFloat(c);this.from_greenwich*=Proj4js.common.D2R;break;case "axis":c=c.replace(/\s/gi,""),3==c.length&&-1!="ewnsud".indexOf(c.substr(0,1))&&-1!=

"ewnsud".indexOf(c.substr(1,1))&&-1!="ewnsud".indexOf(c.substr(2,1))&&(this.axis=c)}this.deriveConstants()}},deriveConstants:function(){"@null"==this.nagrids&&(this.datumCode="none");if(this.datumCode&&"none"!=this.datumCode){var a=Proj4js.Datum[this.datumCode];a&&(this.datum_params=a.towgs84?a.towgs84.split(","):null,this.ellps=a.ellipse,this.datumName=a.datumName?a.datumName:this.datumCode)}this.a||Proj4js.extend(this,Proj4js.Ellipsoid[this.ellps]?Proj4js.Ellipsoid[this.ellps]:Proj4js.Ellipsoid.WGS84);

this.rf&&!this.b&&(this.b=(1-1/this.rf)*this.a);if(0===this.rf||Math.abs(this.a-this.b)<Proj4js.common.EPSLN)this.sphere=!0,this.b=this.a;this.a2=this.a*this.a;this.b2=this.b*this.b;this.es=(this.a2-this.b2)/this.a2;this.e=Math.sqrt(this.es);this.R_A&&(this.a*=1-this.es*(Proj4js.common.SIXTH+this.es*(Proj4js.common.RA4+this.es*Proj4js.common.RA6)),this.a2=this.a*this.a,this.b2=this.b*this.b,this.es=0);this.ep2=(this.a2-this.b2)/this.b2;this.k0||(this.k0=1);this.axis||(this.axis="enu");this.datum=

new Proj4js.datum(this)}});Proj4js.Proj.longlat={init:function(){},forward:function(a){return a},inverse:function(a){return a}};Proj4js.Proj.identity=Proj4js.Proj.longlat;

Proj4js.defs={WGS84:"+title=long/lat:WGS84 +proj=longlat +ellps=WGS84 +datum=WGS84 +units=degrees","EPSG:4326":"+title=long/lat:WGS84 +proj=longlat +a=6378137.0 +b=6356752.31424518 +ellps=WGS84 +datum=WGS84 +units=degrees","EPSG:4269":"+title=long/lat:NAD83 +proj=longlat +a=6378137.0 +b=6356752.31414036 +ellps=GRS80 +datum=NAD83 +units=degrees","EPSG:3875":"+title= Google Mercator +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs"};

Proj4js.defs["EPSG:3785"]=Proj4js.defs["EPSG:3875"];Proj4js.defs.GOOGLE=Proj4js.defs["EPSG:3875"];Proj4js.defs["EPSG:900913"]=Proj4js.defs["EPSG:3875"];Proj4js.defs["EPSG:102113"]=Proj4js.defs["EPSG:3875"];

Proj4js.common={PI:3.141592653589793,HALF_PI:1.5707963267948966,TWO_PI:6.283185307179586,FORTPI:0.7853981633974483,R2D:57.29577951308232,D2R:0.017453292519943295,SEC_TO_RAD:4.84813681109536E-6,EPSLN:1.0E-10,MAX_ITER:20,COS_67P5:0.3826834323650898,AD_C:1.0026,PJD_UNKNOWN:0,PJD_3PARAM:1,PJD_7PARAM:2,PJD_GRIDSHIFT:3,PJD_WGS84:4,PJD_NODATUM:5,SRS_WGS84_SEMIMAJOR:6378137,SIXTH:0.16666666666666666,RA4:0.04722222222222222,RA6:0.022156084656084655,RV4:0.06944444444444445,RV6:0.04243827160493827,msfnz:function(a,

c,b){a*=c;return b/Math.sqrt(1-a*a)},tsfnz:function(a,c,b){b*=a;b=Math.pow((1-b)/(1+b),0.5*a);return Math.tan(0.5*(this.HALF_PI-c))/b},phi2z:function(a,c){for(var b=0.5*a,d,e=this.HALF_PI-2*Math.atan(c),f=0;15>=f;f++)if(d=a*Math.sin(e),d=this.HALF_PI-2*Math.atan(c*Math.pow((1-d)/(1+d),b))-e,e+=d,1.0E-10>=Math.abs(d))return e;alert("phi2z has NoConvergence");return-9999},qsfnz:function(a,c){var b;return 1.0E-7<a?(b=a*c,(1-a*a)*(c/(1-b*b)-0.5/a*Math.log((1-b)/(1+b)))):2*c},asinz:function(a){1<Math.abs(a)&&

(a=1<a?1:-1);return Math.asin(a)},e0fn:function(a){return 1-0.25*a*(1+a/16*(3+1.25*a))},e1fn:function(a){return 0.375*a*(1+0.25*a*(1+0.46875*a))},e2fn:function(a){return 0.05859375*a*a*(1+0.75*a)},e3fn:function(a){return a*a*a*(35/3072)},mlfn:function(a,c,b,d,e){return a*e-c*Math.sin(2*e)+b*Math.sin(4*e)-d*Math.sin(6*e)},srat:function(a,c){return Math.pow((1-a)/(1+a),c)},sign:function(a){return 0>a?-1:1},adjust_lon:function(a){return a=Math.abs(a)<this.PI?a:a-this.sign(a)*this.TWO_PI},adjust_lat:function(a){return a=

Math.abs(a)<this.HALF_PI?a:a-this.sign(a)*this.PI},latiso:function(a,c,b){if(Math.abs(c)>this.HALF_PI)return+Number.NaN;if(c==this.HALF_PI)return Number.POSITIVE_INFINITY;if(c==-1*this.HALF_PI)return-1*Number.POSITIVE_INFINITY;b*=a;return Math.log(Math.tan((this.HALF_PI+c)/2))+a*Math.log((1-b)/(1+b))/2},fL:function(a,c){return 2*Math.atan(a*Math.exp(c))-this.HALF_PI},invlatiso:function(a,c){var b=this.fL(1,c),d=0,e=0;do d=b,e=a*Math.sin(d),b=this.fL(Math.exp(a*Math.log((1+e)/(1-e))/2),c);while(1.0E-12<

Math.abs(b-d));return b},sinh:function(a){a=Math.exp(a);return(a-1/a)/2},cosh:function(a){a=Math.exp(a);return(a+1/a)/2},tanh:function(a){a=Math.exp(a);return(a-1/a)/(a+1/a)},asinh:function(a){return(0<=a?1:-1)*Math.log(Math.abs(a)+Math.sqrt(a*a+1))},acosh:function(a){return 2*Math.log(Math.sqrt((a+1)/2)+Math.sqrt((a-1)/2))},atanh:function(a){return Math.log((a-1)/(a+1))/2},gN:function(a,c,b){c*=b;return a/Math.sqrt(1-c*c)},pj_enfn:function(a){var c=[];c[0]=this.C00-a*(this.C02+a*(this.C04+a*(this.C06+

a*this.C08)));c[1]=a*(this.C22-a*(this.C04+a*(this.C06+a*this.C08)));var b=a*a;c[2]=b*(this.C44-a*(this.C46+a*this.C48));b*=a;c[3]=b*(this.C66-a*this.C68);c[4]=b*a*this.C88;return c},pj_mlfn:function(a,c,b,d){b*=c;c*=c;return d[0]*a-b*(d[1]+c*(d[2]+c*(d[3]+c*d[4])))},pj_inv_mlfn:function(a,c,b){for(var d=1/(1-c),e=a,f=Proj4js.common.MAX_ITER;f;--f){var g=Math.sin(e),i=1-c*g*g,i=(this.pj_mlfn(e,g,Math.cos(e),b)-a)*i*Math.sqrt(i)*d,e=e-i;if(Math.abs(i)<Proj4js.common.EPSLN)return e}Proj4js.reportError("cass:pj_inv_mlfn: Convergence error");

return e},C00:1,C02:0.25,C04:0.046875,C06:0.01953125,C08:0.01068115234375,C22:0.75,C44:0.46875,C46:0.013020833333333334,C48:0.007120768229166667,C66:0.3645833333333333,C68:0.005696614583333333,C88:0.3076171875};

Proj4js.datum=Proj4js.Class({initialize:function(a){this.datum_type=Proj4js.common.PJD_WGS84;a.datumCode&&"none"==a.datumCode&&(this.datum_type=Proj4js.common.PJD_NODATUM);if(a&&a.datum_params){for(var c=0;c<a.datum_params.length;c++)a.datum_params[c]=parseFloat(a.datum_params[c]);if(0!=a.datum_params[0]||0!=a.datum_params[1]||0!=a.datum_params[2])this.datum_type=Proj4js.common.PJD_3PARAM;if(3<a.datum_params.length&&(0!=a.datum_params[3]||0!=a.datum_params[4]||0!=a.datum_params[5]||0!=a.datum_params[6]))this.datum_type=

Proj4js.common.PJD_7PARAM,a.datum_params[3]*=Proj4js.common.SEC_TO_RAD,a.datum_params[4]*=Proj4js.common.SEC_TO_RAD,a.datum_params[5]*=Proj4js.common.SEC_TO_RAD,a.datum_params[6]=a.datum_params[6]/1E6+1}a&&(this.a=a.a,this.b=a.b,this.es=a.es,this.ep2=a.ep2,this.datum_params=a.datum_params)},compare_datums:function(a){return this.datum_type!=a.datum_type||this.a!=a.a||5.0E-11<Math.abs(this.es-a.es)?!1:this.datum_type==Proj4js.common.PJD_3PARAM?this.datum_params[0]==a.datum_params[0]&&this.datum_params[1]==

a.datum_params[1]&&this.datum_params[2]==a.datum_params[2]:this.datum_type==Proj4js.common.PJD_7PARAM?this.datum_params[0]==a.datum_params[0]&&this.datum_params[1]==a.datum_params[1]&&this.datum_params[2]==a.datum_params[2]&&this.datum_params[3]==a.datum_params[3]&&this.datum_params[4]==a.datum_params[4]&&this.datum_params[5]==a.datum_params[5]&&this.datum_params[6]==a.datum_params[6]:this.datum_type==Proj4js.common.PJD_GRIDSHIFT||a.datum_type==Proj4js.common.PJD_GRIDSHIFT?(alert("ERROR: Grid shift transformations are not implemented."),

!1):!0},geodetic_to_geocentric:function(a){var c=a.x,b=a.y,d=a.z?a.z:0,e,f,g;if(b<-Proj4js.common.HALF_PI&&b>-1.001*Proj4js.common.HALF_PI)b=-Proj4js.common.HALF_PI;else if(b>Proj4js.common.HALF_PI&&b<1.001*Proj4js.common.HALF_PI)b=Proj4js.common.HALF_PI;else if(b<-Proj4js.common.HALF_PI||b>Proj4js.common.HALF_PI)return Proj4js.reportError("geocent:lat out of range:"+b),null;c>Proj4js.common.PI&&(c-=2*Proj4js.common.PI);f=Math.sin(b);g=Math.cos(b);e=this.a/Math.sqrt(1-this.es*f*f);b=(e+d)*g*Math.cos(c);

c=(e+d)*g*Math.sin(c);d=(e*(1-this.es)+d)*f;a.x=b;a.y=c;a.z=d;return 0},geocentric_to_geodetic:function(a){var c,b,d,e,f,g,i,h,j,k,l=a.x;d=a.y;var m=a.z?a.z:0;c=Math.sqrt(l*l+d*d);b=Math.sqrt(l*l+d*d+m*m);if(1.0E-12>c/this.a){if(l=0,1.0E-12>b/this.a)return}else l=Math.atan2(d,l);d=m/b;e=c/b;f=1/Math.sqrt(1-this.es*(2-this.es)*e*e);i=e*(1-this.es)*f;h=d*f;k=0;do k++,g=this.a/Math.sqrt(1-this.es*h*h),b=c*i+m*h-g*(1-this.es*h*h),g=this.es*g/(g+b),f=1/Math.sqrt(1-g*(2-g)*e*e),g=e*(1-g)*f,f*=d,j=f*i-g*

h,i=g,h=f;while(1.0E-24<j*j&&30>k);c=Math.atan(f/Math.abs(g));a.x=l;a.y=c;a.z=b;return a},geocentric_to_geodetic_noniter:function(a){var c=a.x,b=a.y,d=a.z?a.z:0,e,f,g,i,h,c=parseFloat(c),b=parseFloat(b),d=parseFloat(d);h=!1;if(0!=c)e=Math.atan2(b,c);else if(0<b)e=Proj4js.common.HALF_PI;else if(0>b)e=-Proj4js.common.HALF_PI;else if(h=!0,e=0,0<d)f=Proj4js.common.HALF_PI;else if(0>d)f=-Proj4js.common.HALF_PI;else return;g=c*c+b*b;c=Math.sqrt(g);b=d*Proj4js.common.AD_C;g=Math.sqrt(b*b+g);b/=g;g=c/g;b=

d+this.b*this.ep2*b*b*b;i=c-this.a*this.es*g*g*g;g=Math.sqrt(b*b+i*i);b/=g;g=i/g;i=this.a/Math.sqrt(1-this.es*b*b);d=g>=Proj4js.common.COS_67P5?c/g-i:g<=-Proj4js.common.COS_67P5?c/-g-i:d/b+i*(this.es-1);!1==h&&(f=Math.atan(b/g));a.x=e;a.y=f;a.z=d;return a},geocentric_to_wgs84:function(a){if(this.datum_type==Proj4js.common.PJD_3PARAM)a.x+=this.datum_params[0],a.y+=this.datum_params[1],a.z+=this.datum_params[2];else if(this.datum_type==Proj4js.common.PJD_7PARAM){var c=this.datum_params[3],b=this.datum_params[4],

d=this.datum_params[5],e=this.datum_params[6],f=e*(d*a.x+a.y-c*a.z)+this.datum_params[1],c=e*(-b*a.x+c*a.y+a.z)+this.datum_params[2];a.x=e*(a.x-d*a.y+b*a.z)+this.datum_params[0];a.y=f;a.z=c}},geocentric_from_wgs84:function(a){if(this.datum_type==Proj4js.common.PJD_3PARAM)a.x-=this.datum_params[0],a.y-=this.datum_params[1],a.z-=this.datum_params[2];else if(this.datum_type==Proj4js.common.PJD_7PARAM){var c=this.datum_params[3],b=this.datum_params[4],d=this.datum_params[5],e=this.datum_params[6],f=(a.x-

this.datum_params[0])/e,g=(a.y-this.datum_params[1])/e,e=(a.z-this.datum_params[2])/e;a.x=f+d*g-b*e;a.y=-d*f+g+c*e;a.z=b*f-c*g+e}}});

Proj4js.Point=Proj4js.Class({initialize:function(a,c,b){"object"==typeof a?(this.x=a[0],this.y=a[1],this.z=a[2]||0):"string"==typeof a&&"undefined"==typeof c?(a=a.split(","),this.x=parseFloat(a[0]),this.y=parseFloat(a[1]),this.z=parseFloat(a[2])||0):(this.x=a,this.y=c,this.z=b||0)},clone:function(){return new Proj4js.Point(this.x,this.y,this.z)},toString:function(){return"x="+this.x+",y="+this.y},toShortString:function(){return this.x+", "+this.y}});