function ticks(max,n){n=n||5;if(!max)return[0,1];var r=max/n;var p=Math.pow(10,Math.floor(Math.log10(r)));var nice=[1,2,2.5,5,10].reduce(function(a,b){return Math.abs(b*p-r)<Math.abs(a*p-r)?b:a;})*p;var out=[];for(var i=0;i*nice=1e6)return(n/1e6).toFixed(1)+’M’;if(Math.abs(n)>=1e3)return(n/1e3).toFixed(1)+’k’;return n%1?n.toFixed(1):String(n);}
function ease(t){return t<0.5?2*t*t:1-Math.pow(-2*t+2,2)/2;}
function anim(draw){if(!C.animated){draw(1);return;}var start=null;function step(ts){if(!start)start=ts;var p=Math.min((ts-start)/C.animDur,1);draw(ease(p));if(p1?i/(nL-1):0.5)*PW;Txt(lb,x,PT+PH+18,{‘font-size’:10,fill:C.textColor,opacity:0.85},svg);});
Line(PL,PT,PL,PT+PH,{stroke:C.gridColor,’stroke-width’:1},svg);
Line(PL,PT+PH,PL+PW,PT+PH,{stroke:C.gridColor,’stroke-width’:1},svg);
C.datasets.forEach(function(ds,j){
var color=ds.color||PALETTE[j%PALETTE.length];
var nV=ds.values.length;
var pts=ds.values.map(function(v,i){return[PL+(nV>1?i/(nV-1):0.5)*PW,PT+PH*(1-v/axMax)];});
function visPts(prog){var last=Math.floor(prog*(nV-1));var frac=prog*(nV-1)-last;var vis=pts.slice(0,last+1);if(last<nV-1){var a=pts[last],b=pts[last+1];vis=vis.concat([[a[0]+(b[0]-a[0])*frac,a[1]+(b[1]-a[1])*frac]]);}return vis;}
function bezier(vis){if(vis.length<2)return'M'+vis[0][0]+','+vis[0][1];var d='M'+vis[0][0]+','+vis[0][1];for(var i=1;iMath.PI?1:0;
var s=function(a){return[cx2+Math.cos(a)*r,cy2+Math.sin(a)*r];};
var si=function(a){return[cx2+Math.cos(a)*inner,cy2+Math.sin(a)*inner];};
if(inner>0){
var p1=s(sa),p2=s(ea),p3=si(ea),p4=si(sa);
return’M’+p1+’ A’+r+’,’+r+’ 0 ‘+large+’,1 ‘+p2+’ L’+p3+’ A’+inner+’,’+inner+’ 0 ‘+large+’,0 ‘+p4+’ Z’;
}
var p1=s(sa),p2=s(ea);
return’M’+cx2+’,’+cy2+’ L’+p1+’ A’+r+’,’+r+’ 0 ‘+large+’,1 ‘+p2+’ Z’;
}
var startA=-Math.PI/2;
vals.forEach(function(v,i){
var endA=startA+(v/total)*2*Math.PI;
var color=PALETTE[i%PALETTE.length];
var midA=(startA+endA)/2;
var p=E(‘path’,{d:arcPath(cx,cy,1,0,startA,endA),fill:color,stroke:’rgba(255,255,255,0.35)’,’stroke-width’:2,cursor:’pointer’},svg);
(function(sa2,ea2,col,lbl,val){
var midA2=(sa2+ea2)/2;
var pct=((val/total)*100).toFixed(1)+’%’;
var h=tipHtml(col,lbl,”,fmt(val),pct);
p.addEventListener(‘mousemove’,function(e){tShow(e,h);tMove(e);p.setAttribute(‘transform’,’translate(‘+Math.cos(midA2)*6+’,’+Math.sin(midA2)*6+’)’);});
p.addEventListener(‘mouseleave’,function(){tHide();p.setAttribute(‘transform’,”);});
p.addEventListener(‘touchstart’,function(e){e.preventDefault();tShow(e,h);p.setAttribute(‘transform’,’translate(‘+Math.cos(midA2)*6+’,’+Math.sin(midA2)*6+’)’);},{passive:false});
p.addEventListener(‘touchend’,function(){setTimeout(function(){tHide();p.setAttribute(‘transform’,”);},1400);});
anim(function(prog){var r=prog*maxR;var inn=isDonut?Math.min(innerR,r-1):0;p.setAttribute(‘d’,arcPath(cx,cy,r,inn,sa2,ea2));});
})(startA,endA,color,C.labels[i]||(‘Item ‘+(i+1)),v);
if(C.showValues){var lx=cx+Math.cos(midA)*(maxR*0.65),ly=cy+Math.sin(midA)*(maxR*0.65);Txt(((v/total)*100).toFixed(0)+’%’,lx,ly,{‘font-size’:11,’font-weight’:’bold’,fill:’#fff’},svg);}
startA=endA;
});
if(isDonut&&C.showValues){
Txt(fmt(total),cx,cy-8,{‘font-size’:22,’font-weight’:’700′,fill:C.textColor},svg);
Txt(‘total’,cx,cy+14,{‘font-size’:11,fill:C.textColor,opacity:0.6},svg);
}
}

function drawRadar(){
var VW=400,VH=C.height;
var cx=VW/2,cy=VH/2;
var maxR=Math.min(cx,cy)*0.7;
var N=C.labels.length;if(N<3)return;
var allVals=[];C.datasets.forEach(function(d){d.values.forEach(function(v){allVals.push(v);});});
var maxV=Math.max.apply(null,allVals)||1;
var levels=5;
function pt(i,frac){var a=-Math.PI/2+(i/N)*2*Math.PI;return[cx+Math.cos(a)*maxR*frac,cy+Math.sin(a)*maxR*frac];}
if(C.showGrid){
for(var lv=1;lv<=levels;lv++){
var gp=[];for(var i=0;i<N;i++){var p2=pt(i,lv/levels);gp.push(p2[0]+','+p2[1]);}
E('polygon',{points:gp.join(' '),fill:'none',stroke:C.gridColor,'stroke-width':1,'stroke-dasharray':'3 3'},svg);
}
}
for(var i=0;i<N;i++){var ep=pt(i,1);Line(cx,cy,ep[0],ep[1],{stroke:C.gridColor,'stroke-width':1},svg);}
for(var i=0;i<N;i++){
var lp=pt(i,1.18);
var ta=lp[0]cx+4?’start’:’middle’;
Txt(C.labels[i],lp[0],lp[1],{‘text-anchor’:ta,’font-size’:11,fill:C.textColor,opacity:0.9},svg);
}
C.datasets.forEach(function(ds,j){
var color=ds.color||PALETTE[j%PALETTE.length];
var dpts=ds.values.map(function(v,i){var p3=pt(i,Math.min(v/maxV,1));return p3[0]+’,’+p3[1];});
E(‘polygon’,{points:dpts.join(‘ ‘),fill:color,opacity:0.22,stroke:color,’stroke-width’:2},svg);
ds.values.forEach(function(v,i){
var p4=pt(i,Math.min(v/maxV,1));
var c=E(‘circle’,{cx:p4[0],cy:p4[1],r:4,fill:color,stroke:’#fff’,’stroke-width’:2},svg);
c.style.cursor=”pointer”;
(function(ii,val,col){var h=tipHtml(col,ds.label,C.labels[ii],fmt(val),”);c.addEventListener(‘mousemove’,function(e){tShow(e,h);tMove(e);});c.addEventListener(‘mouseleave’,tHide);c.addEventListener(‘touchstart’,function(e){e.preventDefault();tShow(e,h);},{passive:false});c.addEventListener(‘touchend’,function(){setTimeout(tHide,1400);});})(i,v,color);
});
if(C.showValues)ds.values.forEach(function(v,i){var p5=pt(i,Math.min(v/maxV,1));Txt(fmt(v),p5[0],p5[1]-12,{‘font-size’:9,fill:C.textColor,opacity:0.85},svg);});
});
}

switch(C.type){
case’bar’:drawBar(false);break;
case’horizontalbar’:drawBar(true);break;
case’line’:drawLine(false);break;
case’area’:drawLine(true);break;
case’pie’:drawPie(false);break;
case’donut’:drawPie(true);break;
case’radar’:drawRadar();break;
}
var rafPending=false;document.addEventListener(‘mousemove’,function(e){if(!tip||!tip.classList.contains(‘sc-tip–open’))return;if(rafPending)return;rafPending=true;requestAnimationFrame(function(){rafPending=false;tMove(e);});});
document.addEventListener(‘touchstart’,function(e){if(!tip||!tip.contains(e.target))tHide();},{passive:true});
})();