Proj4js={defaultDatum:'WGS84',transform:function(source,dest,point){if(!source.readyToUse||!dest.readyToUse){this.reportError("Proj4js initialization for "+source.srsCode+" not yet complete");return point}if((source.srsProjNumber=="900913"&&dest.datumCode!="WGS84")||(dest.srsProjNumber=="900913"&&source.datumCode!="WGS84")){var wgs84=Proj4js.WGS84;this.transform(source,wgs84,point);source=wgs84}if(source.projName=="longlat"){point.x*=Proj4js.common.D2R;point.y*=Proj4js.common.D2R}else{if(source.to_meter){point.x*=source.to_meter;point.y*=source.to_meter}source.inverse(point)}if(source.from_greenwich){point.x+=source.from_greenwich}point=this.datum_transform(source.datum,dest.datum,point);if(dest.from_greenwich){point.x-=dest.from_greenwich}if(dest.projName=="longlat"){point.x*=Proj4js.common.R2D;point.y*=Proj4js.common.R2D}else{dest.forward(point);if(dest.to_meter){point.x/=dest.to_meter;point.y/=dest.to_meter}}return point},datum_transform:function(source,dest,point){if(source.compare_datums(dest)){return point}if(source.datum_type==Proj4js.common.PJD_NODATUM||dest.datum_type==Proj4js.common.PJD_NODATUM){return point}if(source.datum_type==Proj4js.common.PJD_GRIDSHIFT){alert("ERROR: Grid shift transformations are not implemented yet.")}if(dest.datum_type==Proj4js.common.PJD_GRIDSHIFT){alert("ERROR: Grid shift transformations are not implemented yet.")}if(source.es!=dest.es||source.a!=dest.a||source.datum_type==Proj4js.common.PJD_3PARAM||source.datum_type==Proj4js.common.PJD_7PARAM||dest.datum_type==Proj4js.common.PJD_3PARAM||dest.datum_type==Proj4js.common.PJD_7PARAM){source.geodetic_to_geocentric(point);if(source.datum_type==Proj4js.common.PJD_3PARAM||source.datum_type==Proj4js.common.PJD_7PARAM){source.geocentric_to_wgs84(point)}if(dest.datum_type==Proj4js.common.PJD_3PARAM||dest.datum_type==Proj4js.common.PJD_7PARAM){dest.geocentric_from_wgs84(point)}dest.geocentric_to_geodetic(point)}if(dest.datum_type==Proj4js.common.PJD_GRIDSHIFT){alert("ERROR: Grid shift transformations are not implemented yet.")}return point},reportError:function(msg){},extend:function(destination,source){destination=destination||{};if(source){for(var property in source){var value=source[property];if(value!==undefined){destination[property]=value}}}return destination},Class:function(){var Class=function(){this.initialize.apply(this,arguments)};var extended={};var parent;for(var i=0;i-1)&&(index+scriptNameLen==src.length)){this.libPath=src.slice(0,-scriptNameLen);break}}}return this.libPath||""},loadScript:function(url,onload,onfail,loadCheck){var script=document.createElement('script');script.defer=false;script.type="text/javascript";script.id=url;script.src=url;script.onload=onload;script.onerror=onfail;script.loadCheck=loadCheck;if(/MSIE/.test(navigator.userAgent)){script.onreadystatechange=this.checkReadyState}document.getElementsByTagName('head')[0].appendChild(script)},checkReadyState:function(){if(this.readyState=='loaded'){if(!this.loadCheck()){this.onerror()}else{this.onload()}}}};Proj4js.Proj=Proj4js.Class({readyToUse:false,title:null,projName:null,units:null,datum:null,initialize:function(srsCode){this.srsCodeInput=srsCode;if(srsCode.indexOf('urn:')==0){var urn=srsCode.split(':');if((urn[1]=='ogc'||urn[1]=='x-ogc')&&(urn[2]=='def')&&(urn[3]=='crs')&&urn.length==7){srsCode=urn[4]+':'+urn[6]}}else if(srsCode.indexOf('http://')==0){var url=srsCode.split('#');if(url[0].match(/epsg.org/)){srsCode='EPSG:'+url[1]}else if(url[0].match(/RIG.xml/)){srsCode='IGNF:'+url[1]}}this.srsCode=srsCode.toUpperCase();if(this.srsCode.indexOf("EPSG")==0){this.srsCode=this.srsCode;this.srsAuth='epsg';this.srsProjNumber=this.srsCode.substring(5)}else if(this.srsCode.indexOf("IGNF")==0){this.srsCode=this.srsCode;this.srsAuth='IGNF';this.srsProjNumber=this.srsCode.substring(5)}else if(this.srsCode.indexOf("CRS")==0){this.srsCode=this.srsCode;this.srsAuth='CRS';this.srsProjNumber=this.srsCode.substring(4)}else{this.srsAuth='';this.srsProjNumber=this.srsCode}this.loadProjDefinition()},loadProjDefinition:function(){if(Proj4js.defs[this.srsCode]){this.defsLoaded();return}var url=Proj4js.getScriptLocation()+'defs/'+this.srsAuth.toUpperCase()+this.srsProjNumber+'.js';Proj4js.loadScript(url,Proj4js.bind(this.defsLoaded,this),Proj4js.bind(this.loadFromService,this),Proj4js.bind(this.checkDefsLoaded,this))},loadFromService:function(){var url=Proj4js.defsLookupService+'/'+this.srsAuth+'/'+this.srsProjNumber+'/proj4js/';Proj4js.loadScript(url,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(){if(Proj4js.defs[this.srsCode]){return true}else{return false}},defsFailed:function(){Proj4js.reportError('failed to load projection definition for: '+this.srsCode);Proj4js.defs[this.srsCode]=Proj4js.defs['WGS84'];this.defsLoaded()},loadProjCode:function(projName){if(Proj4js.Proj[projName]){this.initTransforms();return}var url=Proj4js.getScriptLocation()+'projCode/'+projName+'.js';Proj4js.loadScript(url,Proj4js.bind(this.loadProjCodeSuccess,this,projName),Proj4js.bind(this.loadProjCodeFailure,this,projName),Proj4js.bind(this.checkCodeLoaded,this,projName))},loadProjCodeSuccess:function(projName){if(Proj4js.Proj[projName].dependsOn){this.loadProjCode(Proj4js.Proj[projName].dependsOn)}else{this.initTransforms()}},loadProjCodeFailure:function(projName){Proj4js.reportError("failed to find projection file for: "+projName)},checkCodeLoaded:function(projName){if(Proj4js.Proj[projName]){return true}else{return false}},initTransforms:function(){Proj4js.extend(this,Proj4js.Proj[this.projName]);this.init();this.readyToUse=true},parseDefs:function(){this.defData=Proj4js.defs[this.srsCode];var paramName,paramVal;if(!this.defData){return}var paramArray=this.defData.split("+");for(var prop=0;prop1.0e-7){con=eccent*sinphi;return((1.0-eccent*eccent)*(sinphi/(1.0-con*con)-(.5/eccent)*Math.log((1.0-con)/(1.0+con))))}else{return(2.0*sinphi)}},asinz:function(x){if(Math.abs(x)>1.0){x=(x>1.0)?1.0:-1.0}return Math.asin(x)},e0fn:function(x){return(1.0-0.25*x*(1.0+x/16.0*(3.0+1.25*x)))},e1fn:function(x){return(0.375*x*(1.0+0.25*x*(1.0+0.46875*x)))},e2fn:function(x){return(0.05859375*x*x*(1.0+0.75*x))},e3fn:function(x){return(x*x*x*(35.0/3072.0))},mlfn:function(e0,e1,e2,e3,phi){return(e0*phi-e1*Math.sin(2.0*phi)+e2*Math.sin(4.0*phi)-e3*Math.sin(6.0*phi))},srat:function(esinp,exp){return(Math.pow((1.0-esinp)/(1.0+esinp),exp))},sign:function(x){if(x<0.0)return(-1);else return(1)},adjust_lon:function(x){x=(Math.abs(x)this.HALF_PI)return+Number.NaN;if(phi==this.HALF_PI)return Number.POSITIVE_INFINITY;if(phi==-1.0*this.HALF_PI)return-1.0*Number.POSITIVE_INFINITY;var con=eccent*sinphi;return Math.log(Math.tan((this.HALF_PI+phi)/2.0))+eccent*Math.log((1.0-con)/(1.0+con))/2.0},fL:function(x,L){return 2.0*Math.atan(x*Math.exp(L))-this.HALF_PI},invlatiso:function(eccent,ts){var phi=this.fL(1.0,ts);var Iphi=0.0;var con=0.0;do{Iphi=phi;con=eccent*Math.sin(Iphi);phi=this.fL(Math.exp(eccent*Math.log((1.0+con)/(1.0-con))/2.0),ts)}while(Math.abs(phi-Iphi)>1.0e-12);return phi},sinh:function(x){var r=Math.exp(x);r=(r-1.0/r)/2.0;return r},cosh:function(x){var r=Math.exp(x);r=(r+1.0/r)/2.0;return r},tanh:function(x){var r=Math.exp(x);r=(r-1.0/r)/(r+1.0/r);return r},asinh:function(x){var s=(x>=0?1.0:-1.0);return s*(Math.log(Math.abs(x)+Math.sqrt(x*x+1.0)))},acosh:function(x){return 2.0*Math.log(Math.sqrt((x+1.0)/2.0)+Math.sqrt((x-1.0)/2.0))},atanh:function(x){return Math.log((x-1.0)/(x+1.0))/2.0},gN:function(a,e,sinphi){var temp=e*sinphi;return a/Math.sqrt(1.0-temp*temp)}};Proj4js.datum=Proj4js.Class({initialize:function(proj){this.datum_type=Proj4js.common.PJD_WGS84;if(proj.datumCode&&proj.datumCode=='none'){this.datum_type=Proj4js.common.PJD_NODATUM}if(proj&&proj.datum_params){for(var i=0;i3){if(proj.datum_params[3]!=0||proj.datum_params[4]!=0||proj.datum_params[5]!=0||proj.datum_params[6]!=0){this.datum_type=Proj4js.common.PJD_7PARAM;proj.datum_params[3]*=Proj4js.common.SEC_TO_RAD;proj.datum_params[4]*=Proj4js.common.SEC_TO_RAD;proj.datum_params[5]*=Proj4js.common.SEC_TO_RAD;proj.datum_params[6]=(proj.datum_params[6]/1000000.0)+1.0}}}if(proj){this.a=proj.a;this.b=proj.b;this.es=proj.es;this.ep2=proj.ep2;this.datum_params=proj.datum_params}},compare_datums:function(dest){if(this.datum_type!=dest.datum_type){return false}else if(this.a!=dest.a||Math.abs(this.es-dest.es)>0.000000000050){return false}else if(this.datum_type==Proj4js.common.PJD_3PARAM){return(this.datum_params[0]==dest.datum_params[0]&&this.datum_params[1]==dest.datum_params[1]&&this.datum_params[2]==dest.datum_params[2])}else if(this.datum_type==Proj4js.common.PJD_7PARAM){return(this.datum_params[0]==dest.datum_params[0]&&this.datum_params[1]==dest.datum_params[1]&&this.datum_params[2]==dest.datum_params[2]&&this.datum_params[3]==dest.datum_params[3]&&this.datum_params[4]==dest.datum_params[4]&&this.datum_params[5]==dest.datum_params[5]&&this.datum_params[6]==dest.datum_params[6])}else if(this.datum_type==Proj4js.common.PJD_GRIDSHIFT){return strcmp(pj_param(this.params,"snadgrids").s,pj_param(dest.params,"snadgrids").s)==0}else{return true}},geodetic_to_geocentric:function(p){var Longitude=p.x;var Latitude=p.y;var Height=p.z?p.z:0;var X;var Y;var Z;var Error_Code=0;var Rn;var Sin_Lat;var Sin2_Lat;var Cos_Lat;if(Latitude<-Proj4js.common.HALF_PI&&Latitude>-1.001*Proj4js.common.HALF_PI){Latitude=-Proj4js.common.HALF_PI}else if(Latitude>Proj4js.common.HALF_PI&&Latitude<1.001*Proj4js.common.HALF_PI){Latitude=Proj4js.common.HALF_PI}else if((Latitude<-Proj4js.common.HALF_PI)||(Latitude>Proj4js.common.HALF_PI)){Proj4js.reportError('geocent:lat out of range:'+Latitude);return null}if(Longitude>Proj4js.common.PI)Longitude-=(2*Proj4js.common.PI);Sin_Lat=Math.sin(Latitude);Cos_Lat=Math.cos(Latitude);Sin2_Lat=Sin_Lat*Sin_Lat;Rn=this.a/(Math.sqrt(1.0e0-this.es*Sin2_Lat));X=(Rn+Height)*Cos_Lat*Math.cos(Longitude);Y=(Rn+Height)*Cos_Lat*Math.sin(Longitude);Z=((Rn*(1-this.es))+Height)*Sin_Lat;p.x=X;p.y=Y;p.z=Z;return Error_Code},geocentric_to_geodetic:function(p){var genau=1.E-12;var genau2=(genau*genau);var maxiter=30;var P;var RR;var CT;var ST;var RX;var RK;var RN;var CPHI0;var SPHI0;var CPHI;var SPHI;var SDPHI;var At_Pole;var iter;var X=p.x;var Y=p.y;var Z=p.z?p.z:0.0;var Longitude;var Latitude;var Height;At_Pole=false;P=Math.sqrt(X*X+Y*Y);RR=Math.sqrt(X*X+Y*Y+Z*Z);if(P/this.agenau2&&iter0){Longitude=Proj4js.common.HALF_PI}else if(Y<0){Longitude=-Proj4js.common.HALF_PI}else{At_Pole=true;Longitude=0.0;if(Z>0.0){Latitude=Proj4js.common.HALF_PI}else if(Z<0.0){Latitude=-Proj4js.common.HALF_PI}else{Latitude=Proj4js.common.HALF_PI;Height=-this.b;return}}}W2=X*X+Y*Y;W=Math.sqrt(W2);T0=Z*Proj4js.common.AD_C;S0=Math.sqrt(T0*T0+W2);Sin_B0=T0/S0;Cos_B0=W/S0;Sin3_B0=Sin_B0*Sin_B0*Sin_B0;T1=Z+this.b*this.ep2*Sin3_B0;Sum=W-this.a*this.es*Cos_B0*Cos_B0*Cos_B0;S1=Math.sqrt(T1*T1+Sum*Sum);Sin_p1=T1/S1;Cos_p1=Sum/S1;Rn=this.a/Math.sqrt(1.0-this.es*Sin_p1*Sin_p1);if(Cos_p1>=Proj4js.common.COS_67P5){Height=W/Cos_p1-Rn}else if(Cos_p1<=-Proj4js.common.COS_67P5){Height=W/-Cos_p1-Rn}else{Height=Z/Sin_p1+Rn*(this.es-1.0)}if(At_Pole==false){Latitude=Math.atan(Sin_p1/Cos_p1)}p.x=Longitude;p.y=Latitude;p.z=Height;return p},geocentric_to_wgs84:function(p){if(this.datum_type==Proj4js.common.PJD_3PARAM){p.x+=this.datum_params[0];p.y+=this.datum_params[1];p.z+=this.datum_params[2]}else if(this.datum_type==Proj4js.common.PJD_7PARAM){var Dx_BF=this.datum_params[0];var Dy_BF=this.datum_params[1];var Dz_BF=this.datum_params[2];var Rx_BF=this.datum_params[3];var Ry_BF=this.datum_params[4];var Rz_BF=this.datum_params[5];var M_BF=this.datum_params[6];var x_out=M_BF*(p.x-Rz_BF*p.y+Ry_BF*p.z)+Dx_BF;var y_out=M_BF*(Rz_BF*p.x+p.y-Rx_BF*p.z)+Dy_BF;var z_out=M_BF*(-Ry_BF*p.x+Rx_BF*p.y+p.z)+Dz_BF;p.x=x_out;p.y=y_out;p.z=z_out}},geocentric_from_wgs84:function(p){if(this.datum_type==Proj4js.common.PJD_3PARAM){p.x-=this.datum_params[0];p.y-=this.datum_params[1];p.z-=this.datum_params[2]}else if(this.datum_type==Proj4js.common.PJD_7PARAM){var Dx_BF=this.datum_params[0];var Dy_BF=this.datum_params[1];var Dz_BF=this.datum_params[2];var Rx_BF=this.datum_params[3];var Ry_BF=this.datum_params[4];var Rz_BF=this.datum_params[5];var M_BF=this.datum_params[6];var x_tmp=(p.x-Dx_BF)/M_BF;var y_tmp=(p.y-Dy_BF)/M_BF;var z_tmp=(p.z-Dz_BF)/M_BF;p.x=x_tmp+Rz_BF*y_tmp-Ry_BF*z_tmp;p.y=-Rz_BF*x_tmp+y_tmp+Rx_BF*z_tmp;p.z=Ry_BF*x_tmp-Rx_BF*y_tmp+z_tmp}}});Proj4js.Point=Proj4js.Class({initialize:function(x,y,z){if(typeof x=='object'){this.x=x[0];this.y=x[1];this.z=x[2]||0.0}else if(typeof x=='string'){var coords=x.split(',');this.x=parseFloat(coords[0]);this.y=parseFloat(coords[1]);this.z=parseFloat(coords[2])||0.0}else{this.x=x;this.y=y;this.z=z||0.0}},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)}});Proj4js.PrimeMeridian={"greenwich":0.0,"lisbon":-9.131906111111,"paris":2.337229166667,"bogota":-74.080916666667,"madrid":-3.687938888889,"rome":12.452333333333,"bern":7.439583333333,"jakarta":106.807719444444,"ferro":-17.666666666667,"brussels":4.367975,"stockholm":18.058277777778,"athens":23.7163375,"oslo":10.722916666667};Proj4js.Ellipsoid={"MERIT":{a:6378137.0,rf:298.257,ellipseName:"MERIT 1983"},"SGS85":{a:6378136.0,rf:298.257,ellipseName:"Soviet Geodetic System 85"},"GRS80":{a:6378137.0,rf:298.257222101,ellipseName:"GRS 1980(IUGG, 1980)"},"IAU76":{a:6378140.0,rf:298.257,ellipseName:"IAU 1976"},"airy":{a:6377563.396,b:6356256.910,ellipseName:"Airy 1830"},"APL4.":{a:6378137,rf:298.25,ellipseName:"Appl. Physics. 1965"},"NWL9D":{a:6378145.0,rf:298.25,ellipseName:"Naval Weapons Lab., 1965"},"mod_airy":{a:6377340.189,b:6356034.446,ellipseName:"Modified Airy"},"andrae":{a:6377104.43,rf:300.0,ellipseName:"Andrae 1876 (Den., Iclnd.)"},"aust_SA":{a:6378160.0,rf:298.25,ellipseName:"Australian Natl & S. Amer. 1969"},"GRS67":{a:6378160.0,rf:298.2471674270,ellipseName:"GRS 67(IUGG 1967)"},"bessel":{a:6377397.155,rf:299.1528128,ellipseName:"Bessel 1841"},"bess_nam":{a:6377483.865,rf:299.1528128,ellipseName:"Bessel 1841 (Namibia)"},"clrk66":{a:6378206.4,b:6356583.8,ellipseName:"Clarke 1866"},"clrk80":{a:6378249.145,rf:293.4663,ellipseName:"Clarke 1880 mod."},"CPM":{a:6375738.7,rf:334.29,ellipseName:"Comm. des Poids et Mesures 1799"},"delmbr":{a:6376428.0,rf:311.5,ellipseName:"Delambre 1810 (Belgium)"},"engelis":{a:6378136.05,rf:298.2566,ellipseName:"Engelis 1985"},"evrst30":{a:6377276.345,rf:300.8017,ellipseName:"Everest 1830"},"evrst48":{a:6377304.063,rf:300.8017,ellipseName:"Everest 1948"},"evrst56":{a:6377301.243,rf:300.8017,ellipseName:"Everest 1956"},"evrst69":{a:6377295.664,rf:300.8017,ellipseName:"Everest 1969"},"evrstSS":{a:6377298.556,rf:300.8017,ellipseName:"Everest (Sabah & Sarawak)"},"fschr60":{a:6378166.0,rf:298.3,ellipseName:"Fischer (Mercury Datum) 1960"},"fschr60m":{a:6378155.0,rf:298.3,ellipseName:"Fischer 1960"},"fschr68":{a:6378150.0,rf:298.3,ellipseName:"Fischer 1968"},"helmert":{a:6378200.0,rf:298.3,ellipseName:"Helmert 1906"},"hough":{a:6378270.0,rf:297.0,ellipseName:"Hough"},"intl":{a:6378388.0,rf:297.0,ellipseName:"International 1909 (Hayford)"},"kaula":{a:6378163.0,rf:298.24,ellipseName:"Kaula 1961"},"lerch":{a:6378139.0,rf:298.257,ellipseName:"Lerch 1979"},"mprts":{a:6397300.0,rf:191.0,ellipseName:"Maupertius 1738"},"new_intl":{a:6378157.5,b:6356772.2,ellipseName:"New International 1967"},"plessis":{a:6376523.0,rf:6355863.0,ellipseName:"Plessis 1817 (France)"},"krass":{a:6378245.0,rf:298.3,ellipseName:"Krassovsky, 1942"},"SEasia":{a:6378155.0,b:6356773.3205,ellipseName:"Southeast Asia"},"walbeck":{a:6376896.0,b:6355834.8467,ellipseName:"Walbeck"},"WGS60":{a:6378165.0,rf:298.3,ellipseName:"WGS 60"},"WGS66":{a:6378145.0,rf:298.25,ellipseName:"WGS 66"},"WGS72":{a:6378135.0,rf:298.26,ellipseName:"WGS 72"},"WGS84":{a:6378137.0,rf:298.257223563,ellipseName:"WGS 84"},"sphere":{a:6370997.0,b:6370997.0,ellipseName:"Normal Sphere (r=6370997)"}};Proj4js.Datum={"WGS84":{towgs84:"0,0,0",ellipse:"WGS84",datumName:"WGS84"},"GGRS87":{towgs84:"-199.87,74.79,246.62",ellipse:"GRS80",datumName:"Greek_Geodetic_Reference_System_1987"},"NAD83":{towgs84:"0,0,0",ellipse:"GRS80",datumName:"North_American_Datum_1983"},"NAD27":{nadgrids:"@conus,@alaska,@ntv2_0.gsb,@ntv1_can.dat",ellipse:"clrk66",datumName:"North_American_Datum_1927"},"potsdam":{towgs84:"606.0,23.0,413.0",ellipse:"bessel",datumName:"Potsdam Rauenberg 1950 DHDN"},"carthage":{towgs84:"-263.0,6.0,431.0",ellipse:"clark80",datumName:"Carthage 1934 Tunisia"},"hermannskogel":{towgs84:"653.0,-212.0,449.0",ellipse:"bessel",datumName:"Hermannskogel"},"ire65":{towgs84:"482.530,-130.596,564.557,-1.042,-0.214,-0.631,8.15",ellipse:"mod_airy",datumName:"Ireland 1965"},"nzgd49":{towgs84:"59.47,-5.04,187.44,0.47,-0.1,1.024,-4.5993",ellipse:"intl",datumName:"New Zealand Geodetic Datum 1949"},"OSGB36":{towgs84:"446.448,-125.157,542.060,0.1502,0.2470,0.8421,-20.4894",ellipse:"airy",datumName:"Airy 1830"}};Proj4js.WGS84=new Proj4js.Proj('WGS84');Proj4js.Datum['OSB36']=Proj4js.Datum['OSGB36'];Proj4js.Proj.merc={init:function(){if(this.lat_ts){if(this.sphere){this.k0=Math.cos(this.lat_ts)}else{this.k0=Proj4js.common.msfnz(this.es,Math.sin(this.lat_ts),Math.cos(this.lat_ts))}}},forward:function(p){var lon=p.x;var lat=p.y;if(lat*Proj4js.common.R2D>90.0&&lat*Proj4js.common.R2D<-90.0&&lon*Proj4js.common.R2D>180.0&&lon*Proj4js.common.R2D<-180.0){Proj4js.reportError("merc:forward: llInputOutOfRange: "+lon+" : "+lat);return null}var x,y;if(Math.abs(Math.abs(lat)-Proj4js.common.HALF_PI)<=Proj4js.common.EPSLN){Proj4js.reportError("merc:forward: ll2mAtPoles");return null}else{if(this.sphere){x=this.x0+this.a*this.k0*Proj4js.common.adjust_lon(lon-this.long0);y=this.y0+this.a*this.k0*Math.log(Math.tan(Proj4js.common.FORTPI+0.5*lat))}else{var sinphi=Math.sin(lat);var ts=Proj4js.common.tsfnz(this.e,lat,sinphi);x=this.x0+this.a*this.k0*Proj4js.common.adjust_lon(lon-this.long0);y=this.y0-this.a*this.k0*Math.log(ts)}p.x=x;p.y=y;return p}},inverse:function(p){var x=p.x-this.x0;var y=p.y-this.y0;var lon,lat;if(this.sphere){lat=Proj4js.common.HALF_PI-2.0*Math.atan(Math.exp(-y/this.a*this.k0))}else{var ts=Math.exp(-y/(this.a*this.k0));lat=Proj4js.common.phi2z(this.e,ts);if(lat==-9999){Proj4js.reportError("merc:inverse: lat = -9999");return null}}lon=Proj4js.common.adjust_lon(this.long0+x/(this.a*this.k0));p.x=lon;p.y=lat;return p}};Proj4js.Proj.utm={dependsOn:'tmerc',init:function(){if(!this.zone){Proj4js.reportError("utm:init: zone must be specified for UTM");return}this.lat0=0.0;this.long0=((6*Math.abs(this.zone))-183)*Proj4js.common.D2R;this.x0=500000.0;this.y0=this.utmSouth?10000000.0:0.0;this.k0=0.9996;Proj4js.Proj['tmerc'].init.apply(this);this.forward=Proj4js.Proj['tmerc'].forward;this.inverse=Proj4js.Proj['tmerc'].inverse}};Proj4js.Proj.tmerc={init:function(){this.e0=Proj4js.common.e0fn(this.es);this.e1=Proj4js.common.e1fn(this.es);this.e2=Proj4js.common.e2fn(this.es);this.e3=Proj4js.common.e3fn(this.es);this.ml0=this.a*Proj4js.common.mlfn(this.e0,this.e1,this.e2,this.e3,this.lat0)},forward:function(p){var lon=p.x;var lat=p.y;var delta_lon=Proj4js.common.adjust_lon(lon-this.long0);var con;var x,y;var sin_phi=Math.sin(lat);var cos_phi=Math.cos(lat);if(this.sphere){var b=cos_phi*Math.sin(delta_lon);if((Math.abs(Math.abs(b)-1.0))<.0000000001){Proj4js.reportError("tmerc:forward: Point projects into infinity");return(93)}else{x=.5*this.a*this.k0*Math.log((1.0+b)/(1.0-b));con=Math.acos(cos_phi*Math.cos(delta_lon)/Math.sqrt(1.0-b*b));if(lat<0)con=-con;y=this.a*this.k0*(con-this.lat0)}}else{var al=cos_phi*delta_lon;var als=Math.pow(al,2);var c=this.ep2*Math.pow(cos_phi,2);var tq=Math.tan(lat);var t=Math.pow(tq,2);con=1.0-this.es*Math.pow(sin_phi,2);var n=this.a/Math.sqrt(con);var ml=this.a*Proj4js.common.mlfn(this.e0,this.e1,this.e2,this.e3,lat);x=this.k0*n*al*(1.0+als/6.0*(1.0-t+c+als/20.0*(5.0-18.0*t+Math.pow(t,2)+72.0*c-58.0*this.ep2)))+this.x0;y=this.k0*(ml-this.ml0+n*tq*(als*(0.5+als/24.0*(5.0-t+9.0*c+4.0*Math.pow(c,2)+als/30.0*(61.0-58.0*t+Math.pow(t,2)+600.0*c-330.0*this.ep2)))))+this.y0}p.x=x;p.y=y;return p},inverse:function(p){var con,phi;var delta_phi;var i;var max_iter=6;var lat,lon;if(this.sphere){var f=Math.exp(p.x/(this.a*this.k0));var g=.5*(f-1/f);var temp=this.lat0+p.y/(this.a*this.k0);var h=Math.cos(temp);con=Math.sqrt((1.0-h*h)/(1.0+g*g));lat=Proj4js.common.asinz(con);if(temp<0)lat=-lat;if((g==0)&&(h==0)){lon=this.long0}else{lon=Proj4js.common.adjust_lon(Math.atan2(g,h)+this.long0)}}else{var x=p.x-this.x0;var y=p.y-this.y0;con=(this.ml0+y/this.k0)/this.a;phi=con;for(i=0;true;i++){delta_phi=((con+this.e1*Math.sin(2.0*phi)-this.e2*Math.sin(4.0*phi)+this.e3*Math.sin(6.0*phi))/this.e0)-phi;phi+=delta_phi;if(Math.abs(delta_phi)<=Proj4js.common.EPSLN)break;if(i>=max_iter){Proj4js.reportError("tmerc:inverse: Latitude failed to converge");return(95)}}if(Math.abs(phi)