(zm-0.5)){return(zm-0.5)}return z} function gchx(c,x){return gch(x*c['xm']+c['xo'],c['ctx'].canvas.width)} function gchy(c,y){return gch((1-y)*c['ym']+c['yo'],c['ctx'].canvas.height)} function gx0(c){return -c['xo']/c['xm']} function gy0(c){return -c['yo']/c['ym']} function gto(c,xo,yo){c['xo']+=xo;c['yo']+=yo} function gts(c,xs,ys){c['xm']*=xs;c['ym']*=ys} function gtso(c,xs,ys){gto(c,c['xm']*(1.0-xs)/2.0,c['ym']*(1.0-ys)/2.0);gts(c,xs,ys)} function gfs(c,bg){c['ctx'].fillStyle=bg} function gss(c,fg){c['ctx'].strokeStyle=fg} function glw(c,w){c['ctx'].lineWidth=w} function gfz(c,x,y,ox,oy,t,co,a){gfs(c,co);c['ctx'].textAlign=a;c['ctx'].fillText(t,gchx(c,x)+ox,gchy(c,y)-oy)} function gbe(c,x,y){c['ctx'].beginPath();c['ctx'].moveTo(gchx(c,x),gchy(c,y))} function gln(c,x,y){c['ctx'].lineTo(gchx(c,x),gchy(c,y))} function gct(c,x1,y1,x2,y2,x3,y3){c['ctx'].bezierCurveTo(gchx(c,x1),gchy(c,y1),gchx(c,x2),gchy(c,y2),gchx(c,x3),gchy(c,y3))} function glm(c,x,y){c['ctx'].moveTo(gchx(c,x),gchy(c,y))} function gle(c){c['ctx'].closePath()} function gfl(c){c['ctx'].fill()} function gst(c){c['ctx'].stroke()} function gfi(c){gle(c);gst(c)} function gbd(c){gbe(c,0,0);gln(c,1,0);gln(c,1,1);gln(c,0,1);gle(c);gfl(c);gst(c)} function ggr(c,xs,ys,yt,xn,x0,x1,y0,y1,ar,nx,vx,vy,av,w,cols){gtso(c,xs,ys);gss(c,'black');glw(c,1.5);gbe(c,0,1);gln(c,0,0);gln(c,1,0);gst(c);glw(c,0.2);var hi=c['ctx'].measureText('M').width, wi=c['ctx'].measureText('1').width;for(var i=0;i<11;i++){var y=i/10.0;gbe(c,-0.01,y);gln(c,1,y);gst(c);var t=''+(((y1-y0)*i/10+y0).toFixed(2));gfz(c,0,y,-wi,0,t,'black','end')}gfz(c,gx0(c),0.55,wi,0,yt,'#0080ff','left');var m=Math.round(0.5+xn/20.0);for(var i=0;i=x0;i-=hrs){var n=dfmt(c,i);var xo=(i-x0)/(x1-x0);if(xo<=1 && c['tkey'] && ((l%hlv)==0)){gbe(c,xo,0);gln(c,xo,-0.02);gst(c);gfz(c,xo,0,0,-hi*tpos,n,'brown','center')}if(xo<=1 && c['tlines']){gbe(c,xo,0);gln(c,xo,1);gst(c)}l++}}glw(c,1);if(c['smooth']){for(var j=1;j0){gss(c,'red');var y=(av[j-1]-y0)/(y1-y0);gbe(c,0,y);gln(c,1,y);gst(c);var t=''+av[j-1].toFixed(2)+'av';gfz(c,1,y,1,0,t,cols[j-1],'left')}}if(c['tkey']){var col,hrl=c['hrs'].length;for(var i=0;ic['xm']){c['ym']=c['xm']}c['xo']=0.0;c['yo']=0.0;c['ctx']=c['can'].getContext('2d');c['ctx'].canvas.width=c['xm']+1;c['ctx'].canvas.height=c['ym']+1;div.appendChild(c['can']);c['pxe']=Math.max(Math.round(c['xm']/250),1)} function opts(t,i){var e=document.getElementById(i);if(t.checked){e.style.visibility='visible'}else{e.style.visibility='hidden'}} function ghrs(c){c['hrs']=[1,2,3,4,6,8,12,24,48];c['hln']=[1,2,3,4,6]} function ghg(c,dx){var tl=dx/(gchx(c,1)/50)/3600;for(var j=c['hrs'].length-1;j>=0;j--){if(tl