StackGenVis/frontend/node_modules/d3-geo-projection/dist/d3-geo-projection.min.js

// https://d3js.org/d3-geo-projection/ v2.8.1 Copyright 2020 Mike Bostock
!function(n,r){"object"==typeof exports&&"undefined"!=typeof module?r(exports,require("d3-geo"),require("d3-array")):"function"==typeof define&&define.amd?define(["exports","d3-geo","d3-array"],r):r(n.d3=n.d3||{},n.d3,n.d3)}(this,function(n,r,e){"use strict";var t=Math.abs,o=Math.atan,i=Math.atan2,u=Math.cos,a=Math.exp,c=Math.floor,f=Math.log,l=Math.max,g=Math.min,v=Math.pow,s=Math.round,p=Math.sign||function(n){return n>0?1:n<0?-1:0},h=Math.sin,d=Math.tan,w=1e-6,y=1e-12,m=Math.PI,P=m/2,R=m/4,b=Math.SQRT1_2,j=G(2),M=G(m),E=2*m,S=180/m,k=m/180;function A(n){return n>1?P:n<-1?-P:Math.asin(n)}function x(n){return n>1?0:n<-1?m:Math.acos(n)}function G(n){return n>0?Math.sqrt(n):0}function C(n){return(a(n)-a(-n))/2}function N(n){return(a(n)+a(-n))/2}function F(n){var r=d(n/2),e=2*f(u(n/2))/(r*r);function o(n,r){var t=u(n),o=u(r),i=h(r),a=o*t,c=-((1-a?f((1+a)/2)/(1-a):-.5)+e/(1+a));return[c*o*h(n),c*i]}return o.invert=function(r,o){var a,c=G(r*r+o*o),l=-n/2,g=50;if(!c)return[0,0];do{var v=l/2,s=u(v),p=h(v),y=d(v),m=f(1/s);l-=a=(2/y*m-e*y-c)/(-m/(p*p)+1-e/(2*s*s))}while(t(a)>w&&--g>0);var P=h(l);return[i(r*P,c*u(l)),A(o*P/c)]},o}function z(n,r){var e=u(r),t=function(n){return n?n/Math.sin(n):1}(x(e*u(n/=2)));return[2*e*h(n)*t,h(r)*t]}function L(n){var r=h(n),e=u(n),o=n>=0?1:-1,a=d(o*n),c=(1+r-e)/2;function f(n,t){var f=u(t),l=u(n/=2);return[(1+f)*h(n),(o*t>-i(l,a)-.001?0:10*-o)+c+h(t)*e-(1+f)*r*l]}return f.invert=function(n,f){var l=0,g=0,v=50;do{var s=u(l),p=h(l),d=u(g),y=h(g),m=1+d,P=m*p-n,R=c+y*e-m*r*s-f,b=m*s/2,j=-p*y,M=r*m*p/2,E=e*d+r*s*y,S=j*M-E*b,k=(R*j-P*E)/S/2,A=(P*M-R*b)/S;l-=k,g-=A}while((t(k)>w||t(A)>w)&&--v>0);return o*g>-i(u(l),a)-.001?[2*l,g]:null},f}function H(n,r){var e=d(r/2),t=G(1-e*e),o=1+t*u(n/=2),i=h(n)*t/o,a=e/o,c=i*i,f=a*a;return[4/3*i*(3+c-3*f),4/3*a*(3+3*c-f)]}z.invert=function(n,r){if(!(n*n+4*r*r>m*m+w)){var e=n,o=r,i=25;do{var a,c=h(e),f=h(e/2),l=u(e/2),g=h(o),v=u(o),s=h(2*o),p=g*g,d=v*v,y=f*f,P=1-d*l*l,R=P?x(v*l)*G(a=1/P):a=0,b=2*R*v*f-n,j=R*g-r,M=a*(d*y+R*v*l*p),E=a*(.5*c*s-2*R*g*f),S=.25*a*(s*f-R*g*d*c),k=a*(p*l+R*y*v),A=E*S-k*M;if(!A)break;var C=(j*E-b*k)/A,N=(b*S-j*M)/A;e-=C,o-=N}while((t(C)>w||t(N)>w)&&--i>0);return[e,o]}},H.invert=function(n,r){if(r*=3/8,!(n*=3/8)&&t(r)>1)return null;var e=1+n*n+r*r,o=G((e-G(e*e-4*r*r))/2),a=A(o)/3,c=o?function(n){return f(n+G(n*n-1))}(t(r/o))/3:function(n){return f(n+G(n*n+1))}(t(n))/3,l=u(a),g=N(c),v=g*g-l*l;return[2*p(n)*i(C(c)*l,.25-v),2*p(r)*i(g*h(a),.25+v)]};var q=G(8),B=f(1+j);function W(n,r){var e=t(r);return e<R?[n,f(d(R+r/2))]:[n*u(e)*(2*j-1/h(e)),p(r)*(2*j*(e-R)-f(d(e/2)))]}function I(n){var e=2*m/n;function a(n,o){var a=r.geoAzimuthalEquidistantRaw(n,o);if(t(n)>P){var c=i(a[1],a[0]),f=G(a[0]*a[0]+a[1]*a[1]),l=e*s((c-P)/e)+P,g=i(h(c-=l),2-u(c));c=l+A(m/f*h(g))-g,a[0]=f*u(c),a[1]=f*h(c)}return a}return a.invert=function(n,t){var a=G(n*n+t*t);if(a>P){var c=i(t,n),f=e*s((c-P)/e)+P,l=c>f?-1:1,g=a*u(f-c),v=1/d(l*x((g-m)/G(m*(m-2*g)+a*a)));c=f+2*o((v+l*G(v*v-3))/3),n=a*u(c),t=a*h(c)}return r.geoAzimuthalEquidistantRaw.invert(n,t)},a}function D(n,e){if(arguments.length<2&&(e=n),1===e)return r.geoAzimuthalEqualAreaRaw;if(e===1/0)return Q;function t(t,o){var i=r.geoAzimuthalEqualAreaRaw(t/e,o);return i[0]*=n,i}return t.invert=function(t,o){var i=r.geoAzimuthalEqualAreaRaw.invert(t/n,o);return i[0]*=e,i},t}function Q(n,r){return[n*u(r)/u(r/=2),2*h(r)]}function T(n,r,e){var o,i,u,a=100;e=void 0===e?0:+e,r=+r;do{(i=n(e))===(u=n(e+w))&&(u=i+w),e-=o=-1*w*(i-r)/(i-u)}while(a-- >0&&t(o)>w);return a<0?NaN:e}function V(n,r,e){return void 0===r&&(r=40),void 0===e&&(e=y),function(o,i,u,a){var c,f,l;u=void 0===u?0:+u,a=void 0===a?0:+a;for(var g=0;g<r;g++){var v=n(u,a),s=v[0]-o,p=v[1]-i;if(t(s)<e&&t(p)<e)break;var h=s*s+p*p;if(h>c)u-=f/=2,a-=l/=2;else{c=h;var d=(u>0?-1:1)*e,w=(a>0?-1:1)*e,y=n(u+d,a),m=n(u,a+w),P=(y[0]-v[0])/d,R=(y[1]-v[1])/d,b=(m[0]-v[0])/w,j=(m[1]-v[1])/w,M=j*P-R*b,E=(t(M)<.5?.5:1)/M;if(u+=f=(p*b-s*j)*E,a+=l=(s*R-p*P)*E,t(f)<e&&t(l)<e)break}}return[u,a]}}function _(){var n=D(1.68,2),r=1.4,e=12;function t(t,o){if(t+o<-r){var i=(t-o+1.6)*(t+o+r)/8;t+=i,o-