2 lines
1.7 KiB
Vue
2 lines
1.7 KiB
Vue
// https://github.com/d3/d3-hexbin Version 0.2.2. Copyright 2017 Mike Bostock.
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!function(n,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(n.d3=n.d3||{})}(this,function(n){"use strict";function t(n){return n[0]}function r(n){return n[1]}var e=Math.PI/3,u=[0,e,2*e,3*e,4*e,5*e],o=function(){function n(n){var t,r={},e=[],u=n.length;for(t=0;t<u;++t)if(!isNaN(i=+d.call(null,o=n[t],t,n))&&!isNaN(c=+p.call(null,o,t,n))){var o,i,c,s=Math.round(c/=f),h=Math.round(i=i/a-(1&s)/2),l=c-s;if(3*Math.abs(l)>1){var v=i-h,M=h+(i<h?-1:1)/2,x=s+(c<s?-1:1),g=i-M,m=c-x;v*v+l*l>g*g+m*m&&(h=M+(1&s?1:-1)/2,s=x)}var y=h+"-"+s,j=r[y];j?j.push(o):(e.push(j=r[y]=[o]),j.x=(h+(1&s)/2)*a,j.y=s*f)}return e}function o(n){var t=0,r=0;return u.map(function(e){var u=Math.sin(e)*n,o=-Math.cos(e)*n,i=u-t,a=o-r;return t=u,r=o,[i,a]})}var i,a,f,c=0,s=0,h=1,l=1,d=t,p=r;return n.hexagon=function(n){return"m"+o(null==n?i:+n).join("l")+"z"},n.centers=function(){for(var n=[],t=Math.round(s/f),r=Math.round(c/a),e=t*f;e<l+i;e+=f,++t)for(var u=r*a+(1&t)*a/2;u<h+a/2;u+=a)n.push([u,e]);return n},n.mesh=function(){var t=o(i).slice(0,4).join("l");return n.centers().map(function(n){return"M"+n+"m"+t}).join("")},n.x=function(t){return arguments.length?(d=t,n):d},n.y=function(t){return arguments.length?(p=t,n):p},n.radius=function(t){return arguments.length?(i=+t,a=2*i*Math.sin(e),f=1.5*i,n):i},n.size=function(t){return arguments.length?(c=s=0,h=+t[0],l=+t[1],n):[h-c,l-s]},n.extent=function(t){return arguments.length?(c=+t[0][0],s=+t[0][1],h=+t[1][0],l=+t[1][1],n):[[c,s],[h,l]]},n.radius(1)};n.hexbin=o,Object.defineProperty(n,"__esModule",{value:!0})}); |