3 lines
36 KiB
JavaScript
3 lines
36 KiB
JavaScript
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// https://d3js.org/d3-geo/ v3.1.0 Copyright 2010-2022 Mike Bostock, 2008-2012 Charles Karney
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!function(n,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("d3-array")):"function"==typeof define&&define.amd?define(["exports","d3-array"],t):t((n="undefined"!=typeof globalThis?globalThis:n||self).d3=n.d3||{},n.d3)}(this,(function(n,t){"use strict";var r=1e-6,e=1e-12,i=Math.PI,o=i/2,u=i/4,a=2*i,c=180/i,l=i/180,f=Math.abs,p=Math.atan,s=Math.atan2,h=Math.cos,g=Math.ceil,d=Math.exp,v=Math.hypot,E=Math.log,y=Math.pow,S=Math.sin,m=Math.sign||function(n){return n>0?1:n<0?-1:0},M=Math.sqrt,w=Math.tan;function x(n){return n>1?0:n<-1?i:Math.acos(n)}function _(n){return n>1?o:n<-1?-o:Math.asin(n)}function N(n){return(n=S(n/2))*n}function A(){}function R(n,t){n&&P.hasOwnProperty(n.type)&&P[n.type](n,t)}var C={Feature:function(n,t){R(n.geometry,t)},FeatureCollection:function(n,t){for(var r=n.features,e=-1,i=r.length;++e<i;)R(r[e].geometry,t)}},P={Sphere:function(n,t){t.sphere()},Point:function(n,t){n=n.coordinates,t.point(n[0],n[1],n[2])},MultiPoint:function(n,t){for(var r=n.coordinates,e=-1,i=r.length;++e<i;)n=r[e],t.point(n[0],n[1],n[2])},LineString:function(n,t){$(n.coordinates,t,0)},MultiLineString:function(n,t){for(var r=n.coordinates,e=-1,i=r.length;++e<i;)$(r[e],t,0)},Polygon:function(n,t){q(n.coordinates,t)},MultiPolygon:function(n,t){for(var r=n.coordinates,e=-1,i=r.length;++e<i;)q(r[e],t)},GeometryCollection:function(n,t){for(var r=n.geometries,e=-1,i=r.length;++e<i;)R(r[e],t)}};function $(n,t,r){var e,i=-1,o=n.length-r;for(t.lineStart();++i<o;)e=n[i],t.point(e[0],e[1],e[2]);t.lineEnd()}function q(n,t){var r=-1,e=n.length;for(t.polygonStart();++r<e;)$(n[r],t,1);t.polygonEnd()}function j(n,t){n&&C.hasOwnProperty(n.type)?C[n.type](n,t):R(n,t)}var z,b,L,T,G,O,k,F,H,I,W,X,Y,B,D,U,Z=new t.Adder,J=new t.Adder,K={point:A,lineStart:A,lineEnd:A,polygonStart:function(){Z=new t.Adder,K.lineStart=Q,K.lineEnd=V},polygonEnd:function(){var n=+Z;J.add(n<0?a+n:n),this.lineStart=this.lineEnd=this.point=A},sphere:function(){J.add(a)}};function Q(){K.point=nn}function V(){tn(z,b)}function nn(n,t){K.point=tn,z=n,b=t,L=n*=l,T=h(t=(t*=l)/2+u),G=S(t)}function tn(n,t){var r=(n*=l)-L,e=r>=0?1:-1,i=e*r,o=h(t=(t*=l)/2+u),a=S(t),c=G*a,f=T*o+c*h(i),p=c*e*S(i);Z.add(s(p,f)),L=n,T=o,G=a}function rn(n){return[s(n[1],n[0]),_(n[2])]}function en(n){var t=n[0],r=n[1],e=h(r);return[e*h(t),e*S(t),S(r)]}function on(n,t){return n[0]*t[0]+n[1]*t[1]+n[2]*t[2]}function un(n,t){return[n[1]*t[2]-n[2]*t[1],n[2]*t[0]-n[0]*t[2],n[0]*t[1]-n[1]*t[0]]}function an(n,t){n[0]+=t[0],n[1]+=t[1],n[2]+=t[2]}function cn(n,t){return[n[0]*t,n[1]*t,n[2]*t]}function ln(n){var t=M(n[0]*n[0]+n[1]*n[1]+n[2]*n[2]);n[0]/=t,n[1]/=t,n[2]/=t}var fn,pn,sn,hn,gn,dn,vn,En,yn,Sn,mn,Mn,wn,xn,_n,Nn,An={point:Rn,lineStart:Pn,lineEnd:$n,polygonStart:function(){An.point=qn,An.lineStart=jn,An.lineEnd=zn,B=new t.Adder,K.polygonStart()},polygonEnd:function(){K.polygonEnd(),An.point=Rn,An.lineStart=Pn,An.lineEnd=$n,Z<0?(O=-(F=180),k=-(H=90)):B>r?H=90:B<-r&&(k=-90),U[0]=O,U[1]=F},sphere:function(){O=-(F=180),k=-(H=90)}};function Rn(n,t){D.push(U=[O=n,F=n]),t<k&&(k=t),t>H&&(H=t)}function Cn(n,t){var r=en([n*l,t*l]);if(Y){var e=un(Y,r),i=un([e[1],-e[0],0],e);ln(i),i=rn(i);var o,u=n-I,a=u>0?1:-1,p=i[0]*c*a,s=f(u)>180;s^(a*I<p&&p<a*n)?(o=i[1]*c)>H&&(H=o):s^(a*I<(p=(p+360)%360-180)&&p<a*n)?(o=-i[1]*c)<k&&(k=o):(t<k&&(k=t),t>H&&(H=t)),s?n<I?bn(O,n)>bn(O,F)&&(F=n):bn(n,F)>bn(O,F)&&(O=n):F>=O?(n<O&&(O=n),n>F&&(F=n)):n>I?bn(O,n)>bn(O,F)&&(F=n):bn(n,F)>bn(O,F)&&(O=n)}else D.push(U=[O=n,F=n]);t<k&&(k=t),t>H&&(H=t),Y=r,I=n}function Pn(){An.point=Cn}function $n(){U[0]=O,U[1]=F,An.point=Rn,Y=null}function qn(n,t){if(Y){var r=n-I;B.add(f(r)>180?r+(r>0?360:-360):r)}else W=n,X=t;K.point(n,t),Cn(n,t)}function jn(){K.lineStart()}function zn(){qn(W,X),K.lineEnd(),f(B)>r&&(O=-(F=180)),U[0]=O,U[1]=F,Y=null}function bn(n,t){return(t-=n)<0?t+360:t}function Ln(n,t){return n[0]-t[0]}function Tn(n,t){return n[0]<=n[1]?n[0]<=t&&t<=n[1]:t<n[0]||n[1]<t}var Gn={sphere:A,point:On,lineStart:Fn,lineEnd:Wn,polygonStart:function(){Gn.lineStart=Xn,Gn.lineEnd=Yn},polygonEnd:function(){Gn.lineStart=Fn,Gn.lineEnd=Wn}
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