burnchart/public/js/d3.layout.min.js

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2012-05-23 14:45:03 +00:00
(function(){function a(a){var b=a.source,d=a.target,e=c(b,d),f=[b];while(b!==e)b=b.parent,f.push(b);var g=f.length;while(d!==e)f.splice(g,0,d),d=d.parent;return f}function b(a){var b=[],c=a.parent;while(c!=null)b.push(a),a=c,c=c.parent;return b.push(a),b}function c(a,c){if(a===c)return a;var d=b(a),e=b(c),f=d.pop(),g=e.pop(),h=null;while(f===g)h=f,f=d.pop(),g=e.pop();return h}function g(a){a.fixed|=2}function h(a){a!==f&&(a.fixed&=1)}function i(){j(),f.fixed&=1,e=f=null}function j(){f.px+=d3.event.dx,f.py+=d3.event.dy,e.resume()}function k(a,b,c){var d=0,e=0;a.charge=0;if(!a.leaf){var f=a.nodes,g=f.length,h=-1,i;while(++h<g){i=f[h];if(i==null)continue;k(i,b,c),a.charge+=i.charge,d+=i.charge*i.cx,e+=i.charge*i.cy}}if(a.point){a.leaf||(a.point.x+=Math.random()-.5,a.point.y+=Math.random()-.5);var j=b*c[a.point.index];a.charge+=a.pointCharge=j,d+=j*a.point.x,e+=j*a.point.y}a.cx=d/a.charge,a.cy=e/a.charge}function l(a){return 20}function m(a){return 1}function o(a){return a.x}function p(a){return a.y}function q(a,b,c){a.y0=b,a.y=c}function t(a){var b=1,c=0,d=a[0][1],e,f=a.length;for(;b<f;++b)(e=a[b][1])>d&&(c=b,d=e);return c}function u(a){return a.reduce(v,0)}function v(a,b){return a+b[1]}function w(a,b){return x(a,Math.ceil(Math.log(b.length)/Math.LN2+1))}function x(a,b){var c=-1,d=+a[0],e=(a[1]-d)/b,f=[];while(++c<=b)f[c]=e*c+d;return f}function y(a){return[d3.min(a),d3.max(a)]}function z(a,b){return a.sort=d3.rebind(a,b.sort),a.children=d3.rebind(a,b.children),a.links=D,a.value=d3.rebind(a,b.value),a.nodes=function(b){return E=!0,(a.nodes=a)(b)},a}function A(a){return a.children}function B(a){return a.value}function C(a,b){return b.value-a.value}function D(a){return d3.merge(a.map(function(a){return(a.children||[]).map(function(b){return{source:a,target:b}})}))}function F(a,b){return a.value-b.value}function G(a,b){var c=a._pack_next;a._pack_next=b,b._pack_prev=a,b._pack_next=c,c._pack_prev=b}function H(a,b){a._pack_next=b,b._pack_prev=a}function I(a,b){var c=b.x-a.x,d=b.y-a.y,e=a.r+b.r;return e*e-c*c-d*d>.001}function J(a){function l(a){b=Math.min(a.x-a.r,b),c=Math.max(a.x+a.r,c),d=Math.min(a.y-a.r,d),e=Math.max(a.y+a.r,e)}var b=Infinity,c=-Infinity,d=Infinity,e=-Infinity,f=a.length,g,h,i,j,k;a.forEach(K),g=a[0],g.x=-g.r,g.y=0,l(g);if(f>1){h=a[1],h.x=h.r,h.y=0,l(h);if(f>2){i=a[2],O(g,h,i),l(i),G(g,i),g._pack_prev=i,G(i,h),h=g._pack_next;for(var m=3;m<f;m++){O(g,h,i=a[m]);var n=0,o=1,p=1;for(j=h._pack_next;j!==h;j=j._pack_next,o++)if(I(j,i)){n=1;break}if(n==1)for(k=g._pack_prev;k!==j._pack_prev;k=k._pack_prev,p++)if(I(k,i)){p<o&&(n=-1,j=k);break}n==0?(G(g,i),h=i,l(i)):n>0?(H(g,j),h=j,m--):(H(j,h),g=j,m--)}}}var q=(b+c)/2,r=(d+e)/2,s=0;for(var m=0;m<f;m++){var t=a[m];t.x-=q,t.y-=r,s=Math.max(s,t.r+Math.sqrt(t.x*t.x+t.y*t.y))}return a.forEach(L),s}function K(a){a._pack_next=a._pack_prev=a}function L(a){delete a._pack_next,delete a._pack_prev}function M(a){var b=a.children;b&&b.length?(b.forEach(M),a.r=J(b)):a.r=Math.sqrt(a.value)}function N(a,b,c,d){var e=a.children;a.x=b+=d*a.x,a.y=c+=d*a.y,a.r*=d;if(e){var f=-1,g=e.length;while(++f<g)N(e[f],b,c,d)}}function O(a,b,c){var d=a.r+c.r,e=b.x-a.x,f=b.y-a.y;if(d&&(e||f)){var g=b.r+c.r,h=Math.sqrt(e*e+f*f),i=Math.max(-1,Math.min(1,(d*d+h*h-g*g)/(2*d*h))),j=Math.acos(i),k=i*(d/=h),l=Math.sin(j)*d;c.x=a.x+k*e+l*f,c.y=a.y+k*f-l*e}else c.x=a.x+d,c.y=a.y}function P(a){return 1+d3.max(a,function(a){return a.y})}function Q(a){return a.reduce(function(a,b){return a+b.x},0)/a.length}function R(a){var b=a.children;return b&&b.length?R(b[0]):a}function S(a){var b=a.children,c;return b&&(c=b.length)?S(b[c-1]):a}function T(a,b){return a.parent==b.parent?1:2}function U(a){var b=a.children;return b&&b.length?b[0]:a._tree.thread}function V(a){var b=a.children,c;return b&&(c=b.length)?b[c-1]:a._tree.thread}function W(a,b){var c=a.children;if(c&&(e=c.length)){var d,e,f=-1;while(++f<e)b(d=W(c[f],b),a)>0&&(a=d)}return a}function X(a,b){return a.x-b.x}function Y(a,b){return b.x-a.x}function Z(a,b){return a.depth-b.depth}function $(a,b){function c(a,d){var e=a.children;if(e&&(i=e.length)){var f,g=null,