if(typeof(RGraph)=='undefined')RGraph={};RGraph.Line=function(id)
{this.id=id;this.canvas=document.getElementById(id);this.context=this.canvas.getContext?this.canvas.getContext("2d"):null;this.canvas.__object__=this;this.type='line';this.max=0;this.coords=[];this.coords2=[];this.coordsKey=[];this.hasnegativevalues=false;this.isRGraph=true;RGraph.OldBrowserCompat(this.context);this.properties={'chart.background.barcolor1':'rgba(0,0,0,0)','chart.background.barcolor2':'rgba(0,0,0,0)','chart.background.grid':1,'chart.background.grid.width':1,'chart.background.grid.hsize':25,'chart.background.grid.vsize':25,'chart.background.grid.color':'#ddd','chart.background.grid.vlines':true,'chart.background.grid.hlines':true,'chart.background.grid.border':true,'chart.background.grid.autofit':true,'chart.background.grid.autofit.align':false,'chart.background.grid.autofit.numhlines':5,'chart.background.grid.autofit.numvlines':20,'chart.background.hbars':null,'chart.background.image':null,'chart.labels':null,'chart.labels.ingraph':null,'chart.labels.above':false,'chart.labels.above.size':8,'chart.xtickgap':20,'chart.smallxticks':3,'chart.largexticks':5,'chart.ytickgap':20,'chart.smallyticks':3,'chart.largeyticks':5,'chart.numyticks':10,'chart.linewidth':1.01,'chart.colors':['red','#0f0','#00f','#f0f','#ff0','#0ff'],'chart.hmargin':0,'chart.tickmarks.dot.color':'white','chart.tickmarks':null,'chart.tickmarks.linewidth':null,'chart.ticksize':3,'chart.gutter.left':25,'chart.gutter.right':25,'chart.gutter.top':25,'chart.gutter.bottom':25,'chart.tickdirection':-1,'chart.yaxispoints':5,'chart.fillstyle':null,'chart.xaxispos':'bottom','chart.yaxispos':'left','chart.xticks':null,'chart.text.size':10,'chart.text.angle':0,'chart.text.color':'black','chart.text.font':'Verdana','chart.ymin':null,'chart.ymax':null,'chart.title':'','chart.title.background':null,'chart.title.hpos':null,'chart.title.vpos':0.5,'chart.title.bold':true,'chart.title.font':null,'chart.title.xaxis':'','chart.title.xaxis.bold':true,'chart.title.xaxis.size':null,'chart.title.xaxis.font':null,'chart.title.yaxis':'','chart.title.yaxis.bold':true,'chart.title.yaxis.size':null,'chart.title.yaxis.font':null,'chart.title.xaxis.pos':null,'chart.title.yaxis.pos':null,'chart.shadow':false,'chart.shadow.offsetx':2,'chart.shadow.offsety':2,'chart.shadow.blur':3,'chart.shadow.color':'rgba(0,0,0,0.5)','chart.tooltips':null,'chart.tooltips.hotspot.xonly':false,'chart.tooltips.effect':'fade','chart.tooltips.css.class':'RGraph_tooltip','chart.tooltips.highlight':true,'chart.highlight.stroke':'#999','chart.highlight.fill':'white','chart.stepped':false,'chart.key':[],'chart.key.background':'white','chart.key.position':'graph','chart.key.halign':null,'chart.key.shadow':false,'chart.key.shadow.color':'#666','chart.key.shadow.blur':3,'chart.key.shadow.offsetx':2,'chart.key.shadow.offsety':2,'chart.key.position.gutter.boxed':true,'chart.key.position.x':null,'chart.key.position.y':null,'chart.key.color.shape':'square','chart.key.rounded':true,'chart.key.linewidth':1,'chart.key.interactive':false,'chart.contextmenu':null,'chart.ylabels':true,'chart.ylabels.count':5,'chart.ylabels.inside':false,'chart.ylabels.invert':false,'chart.xlabels.inside':false,'chart.xlabels.inside.color':'rgba(255,255,255,0.5)','chart.noaxes':false,'chart.noyaxis':false,'chart.noxaxis':false,'chart.noendxtick':false,'chart.units.post':'','chart.units.pre':'','chart.scale.decimals':null,'chart.scale.point':'.','chart.scale.thousand':',','chart.crosshairs':false,'chart.crosshairs.color':'#333','chart.crosshairs.hline':true,'chart.crosshairs.vline':true,'chart.annotatable':false,'chart.annotate.color':'black','chart.axesontop':false,'chart.filled':false,'chart.filled.range':false,'chart.filled.accumulative':true,'chart.variant':null,'chart.axis.color':'black','chart.zoom.factor':1.5,'chart.zoom.fade.in':true,'chart.zoom.fade.out':true,'chart.zoom.hdir':'right','chart.zoom.vdir':'down','chart.zoom.frames':25,'chart.zoom.delay':16.666,'chart.zoom.shadow':true,'chart.zoom.mode':'canvas','chart.zoom.thumbnail.width':75,'chart.zoom.thumbnail.height':75,'chart.zoom.background':true,'chart.zoom.action':'zoom','chart.backdrop':false,'chart.backdrop.size':30,'chart.backdrop.alpha':0.2,'chart.resizable':false,'chart.resize.handle.adjust':[0,0],'chart.resize.handle.background':null,'chart.adjustable':false,'chart.noredraw':false,'chart.outofbounds':false,'chart.chromefix':true,'chart.animation.factor':1,'chart.animation.unfold.x':false,'chart.animation.unfold.y':true,'chart.animation.unfold.initial':2,'chart.curvy':false,'chart.curvy.factor':0.25,'chart.line.visible':true}
for(var i=1;i<arguments.length;++i){if(typeof(arguments[i])=='null'||!arguments[i]){arguments[i]=[];}}
this.original_data=[];for(var i=1;i<arguments.length;++i){if(arguments[1]&&typeof(arguments[1])=='object'&&arguments[1][0]&&typeof(arguments[1][0])=='object'&&arguments[1][0].length){var tmp=[];for(var i=0;i<arguments[1].length;++i){tmp[i]=RGraph.array_clone(arguments[1][i]);}
for(var j=0;j<tmp.length;++j){this.original_data[j]=RGraph.array_clone(tmp[j]);}}else{this.original_data[i-1]=RGraph.array_clone(arguments[i]);}}
if(!this.canvas){alert('[LINE] Fatal error: no canvas support');return;}
this.data_arr=[];for(var i=1;i<arguments.length;++i){for(var j=0;j<arguments[i].length;++j){this.data_arr.push(arguments[i][j]);}}
this.getShape=this.getPoint;}
RGraph.Line.prototype.Set=function(name,value)
{if(name=='chart.tooltips'){var tooltips=[];for(var i=1;i<arguments.length;i++){if(typeof(arguments[i])=='object'&&arguments[i][0]){for(var j=0;j<arguments[i].length;j++){tooltips.push(arguments[i][j]);}}else if(typeof(arguments[i])=='function'){tooltips=arguments[i];}else{tooltips.push(arguments[i]);}}
value=tooltips;}
if(name=='chart.tickmarks'&&typeof(value)=='object'&&value){value=RGraph.array_reverse(value);}
if(name=='chart.ylabels.invert'&&value&&this.Get('chart.ymin')==null){this.Set('chart.ymin',0);}
if(name=='chart.linewidth'&&navigator.userAgent.match(/Chrome/)){if(value==1){value=1.01;}else if(RGraph.is_array(value)){for(var i=0;i<value.length;++i){if(typeof(value[i])=='number'&&value[i]==1){value[i]=1.01;}}}}
if(name=='chart.xaxispos'){if(value!='bottom'&&value!='center'&&value!='top'){alert('[LINE] ('+this.id+') chart.xaxispos should be top, center or bottom. Tried to set it to: '+value+' Changing it to center');value='center';}}
if(name=='chart.curvy.factor'&&(value<0||value>0.5)){alert('[LINE] chart.curvy.factor should be between 0 and 0.5 - setting it to 0.25');value=0.25;}
this.properties[name]=value;}
RGraph.Line.prototype.Get=function(name)
{return this.properties[name];}
RGraph.Line.prototype.Draw=function()
{if(this.__bar__&&!arguments[0]){this.__bar__.Draw();return;}
if(typeof(this.Get('chart.background.image'))=='string'&&!this.__background_image__){RGraph.DrawBackgroundImage(this);return;}
if(this.__bar__&&this.Get('chart.tooltips.highlight')){}
RGraph.FireCustomEvent(this,'onbeforedraw');RGraph.ClearEventListeners(this.id);this.gutterLeft=this.Get('chart.gutter.left');this.gutterRight=this.Get('chart.gutter.right');this.gutterTop=this.Get('chart.gutter.top');this.gutterBottom=this.Get('chart.gutter.bottom');if(this.Get('chart.shadow')&&navigator.userAgent.match(/Chrome/)&&this.Get('chart.linewidth')<=1&&this.Get('chart.chromefix')&&this.Get('chart.shadow.blur')>0){alert('[RGRAPH WARNING] Chrome has a shadow bug, meaning you should increase the linewidth to at least 1.01');}
this.data=RGraph.array_clone(this.original_data);this.max=0;if(this.Get('chart.filled')&&!this.Get('chart.filled.range')&&this.data.length>1&&this.Get('chart.filled.accumulative')){var accumulation=[];for(var set=0;set<this.data.length;++set){for(var point=0;point<this.data[set].length;++point){this.data[set][point]=Number(accumulation[point]?accumulation[point]:0)+this.data[set][point];accumulation[point]=this.data[set][point];}}}
if(this.Get('chart.ymax')){this.max=this.Get('chart.ymax');this.min=this.Get('chart.ymin')?this.Get('chart.ymin'):0;this.scale=[(((this.max-this.min)*(1/5))+this.min).toFixed(this.Get('chart.scale.decimals')),(((this.max-this.min)*(2/5))+this.min).toFixed(this.Get('chart.scale.decimals')),(((this.max-this.min)*(3/5))+this.min).toFixed(this.Get('chart.scale.decimals')),(((this.max-this.min)*(4/5))+this.min).toFixed(this.Get('chart.scale.decimals')),this.max.toFixed(this.Get('chart.scale.decimals'))];if(!this.Get('chart.outofbounds')){for(dataset=0;dataset<this.data.length;++dataset){for(var datapoint=0;datapoint<this.data[dataset].length;datapoint++){this.hasnegativevalues=(this.data[dataset][datapoint]<0)||this.hasnegativevalues;}}}}else{this.min=this.Get('chart.ymin')?this.Get('chart.ymin'):0;for(dataset=0;dataset<this.data.length;++dataset){for(var datapoint=0;datapoint<this.data[dataset].length;datapoint++){this.max=Math.max(this.max,this.data[dataset][datapoint]?Math.abs(parseFloat(this.data[dataset][datapoint])):0);if(!this.Get('chart.outofbounds')){this.hasnegativevalues=(this.data[dataset][datapoint]<0)||this.hasnegativevalues;}}}
this.scale=RGraph.getScale(Math.abs(parseFloat(this.max)),this);this.max=this.scale[4]?this.scale[4]:0;if(this.Get('chart.ymin')){this.scale[0]=((this.max-this.Get('chart.ymin'))*(1/5))+this.Get('chart.ymin');this.scale[1]=((this.max-this.Get('chart.ymin'))*(2/5))+this.Get('chart.ymin');this.scale[2]=((this.max-this.Get('chart.ymin'))*(3/5))+this.Get('chart.ymin');this.scale[3]=((this.max-this.Get('chart.ymin'))*(4/5))+this.Get('chart.ymin');this.scale[4]=((this.max-this.Get('chart.ymin'))*(5/5))+this.Get('chart.ymin');}
if(typeof(this.Get('chart.scale.decimals'))=='number'){this.scale[0]=Number(this.scale[0]).toFixed(this.Get('chart.scale.decimals'));this.scale[1]=Number(this.scale[1]).toFixed(this.Get('chart.scale.decimals'));this.scale[2]=Number(this.scale[2]).toFixed(this.Get('chart.scale.decimals'));this.scale[3]=Number(this.scale[3]).toFixed(this.Get('chart.scale.decimals'));this.scale[4]=Number(this.scale[4]).toFixed(this.Get('chart.scale.decimals'));}}
if(this.Get('chart.contextmenu')){RGraph.ShowContext(this);}
this.coords=[];this.grapharea=this.canvas.height-this.gutterTop-this.gutterBottom;this.halfgrapharea=this.grapharea/2;this.halfTextHeight=this.Get('chart.text.size')/2;if(this.Get('chart.xaxispos')=='bottom'&&this.hasnegativevalues&&navigator.userAgent.indexOf('Opera')==-1){alert('[LINE] You have negative values and the X axis is at the bottom. This is not good...');}
if(this.Get('chart.variant')=='3d'){RGraph.Draw3DAxes(this);}
RGraph.background.Draw(this);if(this.Get('chart.background.hbars')&&this.Get('chart.background.hbars').length>0){RGraph.DrawBars(this);}
if(this.Get('chart.axesontop')==false){this.DrawAxes();}
var shadowColor=this.Get('chart.shadow.color');for(var i=0,j=0;i<this.data.length;i++,j++){this.context.beginPath();if(this.Get('chart.shadow')&&!this.Get('chart.filled')){if(typeof(shadowColor)=='object'&&shadowColor[i-1]){this.context.shadowColor=shadowColor[i];}else if(typeof(shadowColor)=='object'){this.context.shadowColor=shadowColor[0];}else if(typeof(shadowColor)=='string'){this.context.shadowColor=shadowColor;}
this.context.shadowBlur=this.Get('chart.shadow.blur');this.context.shadowOffsetX=this.Get('chart.shadow.offsetx');this.context.shadowOffsetY=this.Get('chart.shadow.offsety');}else if(this.Get('chart.filled')&&this.Get('chart.shadow')){alert('[LINE] Shadows are not permitted when the line is filled');}
if(this.Get('chart.fillstyle')){if(typeof(this.Get('chart.fillstyle'))=='object'&&this.Get('chart.fillstyle')[j]){var fill=this.Get('chart.fillstyle')[j];}else if(typeof(this.Get('chart.fillstyle'))=='string'){var fill=this.Get('chart.fillstyle');}else{alert('[LINE] Warning: chart.fillstyle must be either a string or an array with the same number of elements as you have sets of data');}}else if(this.Get('chart.filled')){var fill=this.Get('chart.colors')[j];}else{var fill=null;}
if(this.Get('chart.tickmarks')&&typeof(this.Get('chart.tickmarks'))=='object'){var tickmarks=this.Get('chart.tickmarks')[i];}else if(this.Get('chart.tickmarks')&&typeof(this.Get('chart.tickmarks'))=='string'){var tickmarks=this.Get('chart.tickmarks');}else if(this.Get('chart.tickmarks')&&typeof(this.Get('chart.tickmarks'))=='function'){var tickmarks=this.Get('chart.tickmarks');}else{var tickmarks=null;}
this.DrawLine(this.data[i],this.Get('chart.colors')[j],fill,this.GetLineWidth(j),tickmarks,i);this.context.stroke();}
if(this.Get('chart.tooltips')&&(this.Get('chart.tooltips').length||typeof(this.Get('chart.tooltips'))=='function')){if(this.Get('chart.tooltips.highlight')){RGraph.Register(this);}
RGraph.InstallLineTooltipEventListeners(this);if(this.__bar__){RGraph.InstallBarTooltipEventListeners(this.__bar__);}}
if(this.Get('chart.axesontop')){this.DrawAxes();}
this.DrawLabels();this.DrawRange();if(this.Get('chart.key').length){RGraph.DrawKey(this,this.Get('chart.key'),this.Get('chart.colors'));}
if(this.Get('chart.labels.above')){this.DrawAboveLabels();}
RGraph.DrawInGraphLabels(this);RGraph.DrawCrosshairs(this);if(this.Get('chart.annotatable')){RGraph.Annotate(this);}
if(this.Get('chart.filled')&&this.Get('chart.filled.range')&&this.data.length==2){this.context.beginPath();var len=this.coords.length/2;this.context.lineWidth=this.Get('chart.linewidth');this.context.strokeStyle=this.Get('chart.colors')[0];for(var i=0;i<len;++i){if(i==0){this.context.moveTo(this.coords[i][0],this.coords[i][1]);}else{this.context.lineTo(this.coords[i][0],this.coords[i][1]);}}
this.context.stroke();this.context.beginPath();if(this.Get('chart.colors')[1]){this.context.strokeStyle=this.Get('chart.colors')[1];}
for(var i=this.coords.length-1;i>=len;--i){if(i==(this.coords.length-1)){this.context.moveTo(this.coords[i][0],this.coords[i][1]);}else{this.context.lineTo(this.coords[i][0],this.coords[i][1]);}}
this.context.stroke();}else if(this.Get('chart.filled')&&this.Get('chart.filled.range')){alert('[LINE] You must have only two sets of data for a filled range chart');}
if(this.Get('chart.zoom.mode')=='thumbnail'){RGraph.ShowZoomWindow(this);}
if(this.Get('chart.zoom.mode')=='area'){RGraph.ZoomArea(this);}
if(this.Get('chart.resizable')){RGraph.AllowResizing(this);}
if(this.Get('chart.adjustable')){RGraph.AllowAdjusting(this);}
RGraph.FireCustomEvent(this,'ondraw');}
RGraph.Line.prototype.DrawAxes=function()
{if(this.Get('chart.noaxes')){return;}
RGraph.NoShadow(this);this.context.lineWidth=1;this.context.strokeStyle=this.Get('chart.axis.color');this.context.beginPath();if(this.Get('chart.noxaxis')==false){if(this.Get('chart.xaxispos')=='center'){this.context.moveTo(this.gutterLeft,(this.grapharea/2)+this.gutterTop);this.context.lineTo(RGraph.GetWidth(this)-this.gutterRight,(this.grapharea/2)+this.gutterTop);}else if(this.Get('chart.xaxispos')=='top'){this.context.moveTo(this.gutterLeft,this.gutterTop);this.context.lineTo(RGraph.GetWidth(this)-this.gutterRight,this.gutterTop);}else{this.context.moveTo(this.gutterLeft,RGraph.GetHeight(this)-this.gutterBottom);this.context.lineTo(RGraph.GetWidth(this)-this.gutterRight,RGraph.GetHeight(this)-this.gutterBottom);}}
if(this.Get('chart.noyaxis')==false){if(this.Get('chart.yaxispos')=='left'){this.context.moveTo(this.gutterLeft,this.gutterTop);this.context.lineTo(this.gutterLeft,RGraph.GetHeight(this)-this.gutterBottom);}else{this.context.moveTo(RGraph.GetWidth(this)-this.gutterRight,this.gutterTop);this.context.lineTo(RGraph.GetWidth(this)-this.gutterRight,RGraph.GetHeight(this)-this.gutterBottom);}}
if(this.Get('chart.noxaxis')==false){if(this.data[0].length>0){var xTickInterval=(this.canvas.width-this.gutterLeft-this.gutterRight)/(this.Get('chart.xticks')?this.Get('chart.xticks'):(this.data[0].length-1));}
if(!xTickInterval||xTickInterval<=0){xTickInterval=(this.canvas.width-this.gutterLeft-this.gutterRight)/(this.Get('chart.labels')&&this.Get('chart.labels').length?this.Get('chart.labels').length-1:10);}
for(x=this.gutterLeft+(this.Get('chart.yaxispos')=='left'?xTickInterval:0);x<=(this.canvas.width-this.gutterRight+1);x+=xTickInterval){if(this.Get('chart.yaxispos')=='right'&&x>=(this.canvas.width-this.gutterRight-1)){break;}
if(this.Get('chart.noendxtick')){if(this.Get('chart.yaxispos')=='left'&&x>=(this.canvas.width-this.gutterRight)){break;}else if(this.Get('chart.yaxispos')=='right'&&x==this.gutterLeft){continue;}}
var yStart=this.Get('chart.xaxispos')=='center'?(this.gutterTop+(this.grapharea/2))-3:RGraph.GetHeight(this)-this.gutterBottom;var yEnd=this.Get('chart.xaxispos')=='center'?yStart+6:RGraph.GetHeight(this)-this.gutterBottom-(x%60==0?this.Get('chart.largexticks')*this.Get('chart.tickdirection'):this.Get('chart.smallxticks')*this.Get('chart.tickdirection'));if(this.Get('chart.xaxispos')=='top'){yStart=this.gutterTop-3;yEnd=this.gutterTop;}
this.context.moveTo(x,yStart);this.context.lineTo(x,yEnd);}}else if(this.Get('chart.noyaxis')==false){if(this.Get('chart.yaxispos')=='left'){this.context.moveTo(this.gutterLeft,RGraph.GetHeight(this)-this.gutterBottom);this.context.lineTo(this.gutterLeft-this.Get('chart.smallyticks'),RGraph.GetHeight(this)-this.gutterBottom);}else{this.context.moveTo(RGraph.GetWidth(this)-this.gutterRight,RGraph.GetHeight(this)-this.gutterBottom);this.context.lineTo(RGraph.GetWidth(this)-this.gutterRight+this.Get('chart.smallyticks'),RGraph.GetHeight(this)-this.gutterBottom);}}
var numyticks=this.Get('chart.numyticks');if(this.Get('chart.noyaxis')==false){var counter=0;var adjustment=0;if(this.Get('chart.yaxispos')=='right'){adjustment=(RGraph.GetWidth(this)-this.gutterLeft-this.gutterRight);}
if(this.Get('chart.xaxispos')=='center'){var interval=(this.grapharea/numyticks);var lineto=(this.Get('chart.yaxispos')=='left'?this.gutterLeft:RGraph.GetWidth(this)-this.gutterRight+this.Get('chart.smallyticks'));for(y=this.gutterTop;y<(this.grapharea/2)+this.gutterTop;y+=interval){this.context.moveTo((this.Get('chart.yaxispos')=='left'?this.gutterLeft-this.Get('chart.smallyticks'):RGraph.GetWidth(this)-this.gutterRight),y);this.context.lineTo(lineto,y);}
for(y=this.gutterTop+(this.halfgrapharea)+interval;y<=this.grapharea+this.gutterTop;y+=interval){this.context.moveTo((this.Get('chart.yaxispos')=='left'?this.gutterLeft-this.Get('chart.smallyticks'):RGraph.GetWidth(this)-this.gutterRight),y);this.context.lineTo(lineto,y);}}else if(this.Get('chart.xaxispos')=='top'){var interval=(this.grapharea/numyticks);var lineto=(this.Get('chart.yaxispos')=='left'?this.gutterLeft:RGraph.GetWidth(this)-this.gutterRight+this.Get('chart.smallyticks'));for(y=this.gutterTop+interval;y<=this.grapharea+this.gutterTop;y+=interval){this.context.moveTo((this.Get('chart.yaxispos')=='left'?this.gutterLeft-this.Get('chart.smallyticks'):RGraph.GetWidth(this)-this.gutterRight),y);this.context.lineTo(lineto,y);}
if(this.Get('chart.noxaxis')){this.context.moveTo((this.Get('chart.yaxispos')=='left'?this.gutterLeft-this.Get('chart.smallyticks'):RGraph.GetWidth(this)-this.gutterRight),this.gutterTop);this.context.lineTo(lineto,this.gutterTop);}}else{var lineto=(this.Get('chart.yaxispos')=='left'?this.gutterLeft-this.Get('chart.smallyticks'):this.canvas.width-this.gutterRight+this.Get('chart.smallyticks'));for(y=this.gutterTop;y<(this.canvas.height-this.gutterBottom)&&counter<numyticks;y+=((this.canvas.height-this.gutterTop-this.gutterBottom)/numyticks)){this.context.moveTo(this.gutterLeft+adjustment,y);this.context.lineTo(lineto,y);var counter=counter+1;}}}else if(this.Get('chart.noxaxis')==false){if(this.Get('chart.yaxispos')=='left'){this.context.moveTo(this.gutterLeft,this.Get('chart.xaxispos')=='top'?this.gutterTop:RGraph.GetHeight(this)-this.gutterBottom);this.context.lineTo(this.gutterLeft,this.Get('chart.xaxispos')=='top'?this.gutterTop-this.Get('chart.smallxticks'):RGraph.GetHeight(this)-this.gutterBottom+this.Get('chart.smallxticks'));}else{this.context.moveTo(RGraph.GetWidth(this)-this.gutterRight,RGraph.GetHeight(this)-this.gutterBottom);this.context.lineTo(RGraph.GetWidth(this)-this.gutterRight,RGraph.GetHeight(this)-this.gutterBottom+this.Get('chart.smallxticks'));}}
this.context.stroke();}
RGraph.Line.prototype.DrawLabels=function()
{this.context.strokeStyle='black';this.context.fillStyle=this.Get('chart.text.color');this.context.lineWidth=1;RGraph.NoShadow(this);var font=this.Get('chart.text.font');var text_size=this.Get('chart.text.size');var context=this.context;var canvas=this.canvas;if(this.Get('chart.ylabels')&&this.Get('chart.ylabels.specific')==null){var units_pre=this.Get('chart.units.pre');var units_post=this.Get('chart.units.post');var xpos=this.Get('chart.yaxispos')=='left'?this.gutterLeft-5:RGraph.GetWidth(this)-this.gutterRight+5;var align=this.Get('chart.yaxispos')=='left'?'right':'left';var numYLabels=this.Get('chart.ylabels.count');var bounding=false;var bgcolor=this.Get('chart.ylabels.inside')?this.Get('chart.ylabels.inside.color'):null;if(this.Get('chart.ylabels.inside')==true&&align=='left'){xpos-=10;align='right';bounding=true;}else if(this.Get('chart.ylabels.inside')==true&&align=='right'){xpos+=10;align='left';bounding=true;}
if(this.Get('chart.xaxispos')=='center'){var half=this.grapharea/2;if(numYLabels==1||numYLabels==3||numYLabels==5){RGraph.Text(context,font,text_size,xpos,this.gutterTop+((0/5)*half)+this.halfTextHeight,RGraph.number_format(this,this.scale[4],units_pre,units_post),null,align,bounding,null,bgcolor);if(numYLabels==5){RGraph.Text(context,font,text_size,xpos,this.gutterTop+((1/5)*half)+this.halfTextHeight,RGraph.number_format(this,this.scale[3],units_pre,units_post),null,align,bounding,null,bgcolor);RGraph.Text(context,font,text_size,xpos,this.gutterTop+((3/5)*half)+this.halfTextHeight,RGraph.number_format(this,this.scale[1],units_pre,units_post),null,align,bounding,null,bgcolor);}
if(numYLabels>=3){RGraph.Text(context,font,text_size,xpos,this.gutterTop+((2/5)*half)+this.halfTextHeight,RGraph.number_format(this,this.scale[2],units_pre,units_post),null,align,bounding,null,bgcolor);RGraph.Text(context,font,text_size,xpos,this.gutterTop+((4/5)*half)+this.halfTextHeight,RGraph.number_format(this,this.scale[0],units_pre,units_post),null,align,bounding,null,bgcolor);}
if(numYLabels>=3){RGraph.Text(context,font,text_size,xpos,this.gutterTop+((6/5)*half)+this.halfTextHeight,'-'+RGraph.number_format(this,this.scale[0],units_pre,units_post),null,align,bounding,null,bgcolor);RGraph.Text(context,font,text_size,xpos,this.gutterTop+((8/5)*half)+this.halfTextHeight,'-'+RGraph.number_format(this,this.scale[2],units_pre,units_post),null,align,bounding,null,bgcolor);}
if(numYLabels==5){RGraph.Text(context,font,text_size,xpos,this.gutterTop+((7/5)*half)+this.halfTextHeight,'-'+RGraph.number_format(this,this.scale[1],units_pre,units_post),null,align,bounding,null,bgcolor);RGraph.Text(context,font,text_size,xpos,this.gutterTop+((9/5)*half)+this.halfTextHeight,'-'+RGraph.number_format(this,this.scale[3],units_pre,units_post),null,align,bounding,null,bgcolor);}
RGraph.Text(context,font,text_size,xpos,this.gutterTop+((10/5)*half)+this.halfTextHeight,'-'+RGraph.number_format(this,(this.scale[4]=='1.0'?'1.0':this.scale[4]),units_pre,units_post),null,align,bounding,null,bgcolor);}else if(numYLabels==10){var interval=(this.grapharea/numYLabels)/2;for(var i=0;i<numYLabels;++i){RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((i/20)*(this.grapharea)),RGraph.number_format(this,((this.scale[4]/numYLabels)*(numYLabels-i)).toFixed((this.Get('chart.scale.decimals'))),units_pre,units_post),null,align,bounding,null,bgcolor);RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((i/20)*this.grapharea)+(this.grapharea/2)+(this.grapharea/20),'-'+RGraph.number_format(this,(this.scale[4]-((this.scale[4]/numYLabels)*(numYLabels-i-1))).toFixed((this.Get('chart.scale.decimals'))),units_pre,units_post),null,align,bounding,null,bgcolor);}}else{alert('[LINE SCALE] The number of Y labels must be 1/3/5/10');}
if(typeof(this.Get('chart.ymin'))=='number'){RGraph.Text(context,font,text_size,xpos,RGraph.GetHeight(this)/2,RGraph.number_format(this,this.Get('chart.ymin').toFixed(this.Get('chart.scale.decimals')),units_pre,units_post),'center',align,bounding,null,bgcolor);}
if(this.Get('chart.noxaxis')==true){RGraph.Text(context,font,text_size,xpos,this.gutterTop+((5/5)*half)+this.halfTextHeight,this.Get('chart.units.pre')+'0'+this.Get('chart.units.post'),null,align,bounding,null,bgcolor);}}else if(this.Get('chart.xaxispos')=='top'){var scale=RGraph.array_reverse(this.scale);if(this.Get('chart.ylabels.invert')){scale=RGraph.array_reverse(scale);this.context.translate(0,this.grapharea*-0.2);if(typeof(this.Get('chart.ymin'))==null){this.Set('chart.ymin',0);}}
if(numYLabels==1||numYLabels==3||numYLabels==5){RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((1/5)*(this.grapharea)),'-'+RGraph.number_format(this,scale[4],units_pre,units_post),null,align,bounding,null,bgcolor);if(numYLabels==5){RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((4/5)*(this.grapharea)),'-'+RGraph.number_format(this,scale[1],units_pre,units_post),null,align,bounding,null,bgcolor);RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((2/5)*(this.grapharea)),'-'+RGraph.number_format(this,scale[3],units_pre,units_post),null,align,bounding,null,bgcolor);}
if(numYLabels>=3){RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((3/5)*(this.grapharea)),'-'+RGraph.number_format(this,scale[2],units_pre,units_post),null,align,bounding,null,bgcolor);RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((5/5)*(this.grapharea)),'-'+RGraph.number_format(this,scale[0],units_pre,units_post),null,align,bounding,null,bgcolor);}}else if(numYLabels==10){var interval=(this.grapharea/numYLabels)/2;for(var i=0;i<numYLabels;++i){RGraph.Text(context,font,text_size,xpos,(2*interval)+this.gutterTop+this.halfTextHeight+((i/10)*(this.grapharea)),'-'+RGraph.number_format(this,(scale[0]-(((scale[0]-this.min)/numYLabels)*(numYLabels-i-1))).toFixed((this.Get('chart.scale.decimals'))),units_pre,units_post),null,align,bounding,null,bgcolor);}}else{alert('[LINE SCALE] The number of Y labels must be 1/3/5/10');}
if(this.Get('chart.ylabels.invert')){this.context.translate(0,0-(this.grapharea*-0.2));}
if(typeof(this.Get('chart.ymin'))=='number'){RGraph.Text(context,font,text_size,xpos,this.Get('chart.ylabels.invert')?this.canvas.height-this.gutterBottom:this.gutterTop,'-'+RGraph.number_format(this,this.Get('chart.ymin').toFixed(this.Get('chart.scale.decimals')),units_pre,units_post),'center',align,bounding,null,bgcolor);}}else{if(this.Get('chart.ylabels.invert')){this.scale=RGraph.array_reverse(this.scale);this.context.translate(0,this.grapharea*0.2);if(typeof(this.Get('chart.ymin'))==null){this.Set('chart.ymin',0);}}
if(numYLabels==1||numYLabels==3||numYLabels==5){RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((0/5)*(this.grapharea)),RGraph.number_format(this,this.scale[4],units_pre,units_post),null,align,bounding,null,bgcolor);if(numYLabels==5){RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((3/5)*(this.grapharea)),RGraph.number_format(this,this.scale[1],units_pre,units_post),null,align,bounding,null,bgcolor);RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((1/5)*(this.grapharea)),RGraph.number_format(this,this.scale[3],units_pre,units_post),null,align,bounding,null,bgcolor);}
if(numYLabels>=3){RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((2/5)*(this.grapharea)),RGraph.number_format(this,this.scale[2],units_pre,units_post),null,align,bounding,null,bgcolor);RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((4/5)*(this.grapharea)),RGraph.number_format(this,this.scale[0],units_pre,units_post),null,align,bounding,null,bgcolor);}}else if(numYLabels==10){var interval=(this.grapharea/numYLabels)/2;for(var i=0;i<numYLabels;++i){RGraph.Text(context,font,text_size,xpos,this.gutterTop+this.halfTextHeight+((i/10)*(this.grapharea)),RGraph.number_format(this,((((this.scale[4]-this.min)/numYLabels)*(numYLabels-i))+this.min).toFixed((this.Get('chart.scale.decimals'))),units_pre,units_post),null,align,bounding,null,bgcolor);}}else{alert('[LINE SCALE] The number of Y labels must be 1/3/5/10');}
if(this.Get('chart.ylabels.invert')){this.context.translate(0,0-(this.grapharea*0.2));}
if(typeof(this.Get('chart.ymin'))=='number'){RGraph.Text(context,font,text_size,xpos,this.Get('chart.ylabels.invert')?this.gutterTop:RGraph.GetHeight(this)-this.gutterBottom,RGraph.number_format(this,this.Get('chart.ymin').toFixed(this.Get('chart.scale.decimals')),units_pre,units_post),'center',align,bounding,null,bgcolor);}}
if(this.Get('chart.noxaxis')==true&&this.Get('chart.ymin')==null&&this.Get('chart.xaxispos')!='center'){RGraph.Text(context,font,text_size,xpos,this.Get('chart.xaxispos')=='top'?this.gutterTop+this.halfTextHeight:(this.canvas.height-this.gutterBottom+this.halfTextHeight),this.Get('chart.units.pre')+'0'+this.Get('chart.units.post'),null,align,bounding,null,bgcolor);}}else if(this.Get('chart.ylabels')&&typeof(this.Get('chart.ylabels.specific'))=='object'){var gap=this.grapharea/this.Get('chart.ylabels.specific').length;var halign=this.Get('chart.yaxispos')=='left'?'right':'left';var bounding=false;var bgcolor=null;var ymin=this.Get('chart.ymin')!=null&&this.Get('chart.ymin');if(this.Get('chart.yaxispos')=='left'){var x=this.gutterLeft-5;if(this.Get('chart.ylabels.inside')){x+=10;halign='left';bounding=true;bgcolor='rgba(255,255,255,0.5)';}}else if(this.Get('chart.yaxispos')=='right'){var x=this.canvas.width-this.gutterRight+5;if(this.Get('chart.ylabels.inside')){x-=10;halign='right';bounding=true;bgcolor='rgba(255,255,255,0.5)';}}
if(this.Get('chart.xaxispos')=='center'){for(var i=0;i<this.Get('chart.ylabels.specific').length;++i){var y=this.gutterTop+(this.grapharea/((this.Get('chart.ylabels.specific').length)*2)*i);if(ymin&&ymin>0){var y=((this.grapharea/2)/(this.Get('chart.ylabels.specific').length-(ymin?1:0)))*i;y+=this.gutterTop;}
RGraph.Text(context,font,text_size,x,y,String(this.Get('chart.ylabels.specific')[i]),'center',halign,bounding,0,bgcolor);}
var reversed_labels=RGraph.array_reverse(this.Get('chart.ylabels.specific'));for(var i=0;i<reversed_labels.length;++i){var y=(this.grapharea/2)+this.gutterTop+((this.grapharea/(reversed_labels.length*2))*(i+1));if(ymin&&ymin>0){var y=((this.grapharea/2)/(reversed_labels.length-(ymin?1:0)))*i;y+=this.gutterTop;y+=(this.grapharea/2);}
RGraph.Text(context,font,text_size,x,y,String(reversed_labels[i]),'center',halign,bounding,0,bgcolor);}}else if(this.Get('chart.xaxispos')=='top'){var reversed_labels=RGraph.array_reverse(this.Get('chart.ylabels.specific'));for(var i=0;i<reversed_labels.length;++i){var y=((this.grapharea/(reversed_labels.length-(ymin?1:0)))*(i+(ymin?0:1)));y=y+this.gutterTop;RGraph.Text(context,font,text_size,x,y,String(reversed_labels[i]),'center',halign,bounding,0,bgcolor);}}else{for(var i=0;i<this.Get('chart.ylabels.specific').length;++i){var y=this.gutterTop+((this.grapharea/(this.Get('chart.ylabels.specific').length-(ymin?1:0)))*i);RGraph.Text(context,font,text_size,x,y,String(this.Get('chart.ylabels.specific')[i]),'center',halign,bounding,0,bgcolor);}}}
if(this.Get('chart.labels')&&this.Get('chart.labels').length>0){var yOffset=13;var bordered=false;var bgcolor=null;if(this.Get('chart.xlabels.inside')){yOffset=-5;bordered=true;bgcolor=this.Get('chart.xlabels.inside.color');}
var angle=0;var valign=null;var halign='center';if(typeof(this.Get('chart.text.angle'))=='number'&&this.Get('chart.text.angle')>0){angle=-1*this.Get('chart.text.angle');valign='center';halign='right';yOffset=10;if(this.Get('chart.xaxispos')=='top'){yOffset=10;}}
this.context.fillStyle=this.Get('chart.text.color');var numLabels=this.Get('chart.labels').length;for(i=0;i<numLabels;++i){if(this.Get('chart.labels')[i]){var labelX=((RGraph.GetWidth(this)-this.gutterLeft-this.gutterRight-(2*this.Get('chart.hmargin')))/(numLabels-1))*i;labelX+=this.gutterLeft+this.Get('chart.hmargin');if(this.Get('chart.labels').length!=this.data[0].length){labelX=this.gutterLeft+this.Get('chart.hmargin')+((RGraph.GetWidth(this)-this.gutterLeft-this.gutterRight-(2*this.Get('chart.hmargin')))*(i/(this.Get('chart.labels').length-1)));}
if(!labelX){labelX=this.gutterLeft+this.Get('chart.hmargin');}
if(this.Get('chart.xaxispos')=='top'&&this.Get('chart.text.angle')>0){halign='left';}
RGraph.Text(context,font,text_size,labelX,(this.Get('chart.xaxispos')=='top')?this.gutterTop-yOffset-(this.Get('chart.xlabels.inside')?-22:0):(RGraph.GetHeight(this)-this.gutterBottom)+yOffset,String(this.Get('chart.labels')[i]),valign,halign,bordered,angle,bgcolor);}}}
this.context.stroke();this.context.fill();}
RGraph.Line.prototype.DrawLine=function(lineData,color,fill,linewidth,tickmarks,index)
{if(this.Get('chart.animation.unfold.y')&&this.Get('chart.animation.factor')!=1){for(var i=0;i<lineData.length;++i){lineData[i]*=this.Get('chart.animation.factor');}}
var penUp=false;var yPos=null;var xPos=0;this.context.lineWidth=1;var lineCoords=[];if(index>0){var prevLineCoords=this.coords2[index-1];}
var xInterval=(this.canvas.width-(2*this.Get('chart.hmargin'))-this.gutterLeft-this.gutterRight)/(lineData.length-1);for(i=0;i<lineData.length;i++){var data_point=lineData[i];yPos=this.canvas.height-(((data_point-(data_point>0?this.Get('chart.ymin'):(-1*this.Get('chart.ymin'))))/(this.max-this.min))*this.grapharea);yPos=(this.grapharea/(this.max-this.min))*(data_point-this.min);yPos=this.canvas.height-yPos;if(data_point==this.max){yPos=Math.round(yPos);}
if(this.Get('chart.ylabels.invert')){yPos-=this.gutterBottom;yPos-=this.gutterTop;yPos=this.canvas.height-yPos;}
if(this.Get('chart.xaxispos')=='center'){yPos=(yPos-this.gutterBottom-this.gutterTop)/2;yPos=yPos+this.gutterTop;}else if(this.Get('chart.xaxispos')=='top'){yPos=(this.grapharea/(this.max-this.min))*(Math.abs(data_point)-this.min);yPos+=this.gutterTop;if(this.Get('chart.ylabels.invert')){yPos-=this.gutterTop;yPos=this.grapharea-yPos;yPos+=this.gutterTop;}}else if(this.Get('chart.xaxispos')=='bottom'){yPos-=this.gutterBottom;}
if(lineData[i]==null||(this.Get('chart.xaxispos')=='bottom'&&lineData[i]<this.min&&!this.Get('chart.outofbounds'))||(this.Get('chart.xaxispos')=='center'&&lineData[i]<(-1*this.max)&&!this.Get('chart.outofbounds'))){yPos=null;}
this.context.lineCap='round';this.context.lineJoin='round';if(i>0){xPos=xPos+xInterval;}else{xPos=this.Get('chart.hmargin')+this.gutterLeft;}
if(this.Get('chart.animation.unfold.x')){xPos*=this.Get('chart.animation.factor');if(xPos<this.Get('chart.gutter.left')){xPos=this.Get('chart.gutter.left');}}
this.coords.push([xPos,yPos]);lineCoords.push([xPos,yPos]);}
this.context.stroke();this.coords2[index]=lineCoords;if(RGraph.isIE8()&&this.Get('chart.shadow')){this.DrawIEShadow(lineCoords,this.context.shadowColor);}
this.context.beginPath();this.context.strokeStyle='rgba(0,0,0,0)';if(fill){this.context.fillStyle=fill;}
var isStepped=this.Get('chart.stepped');var isFilled=this.Get('chart.filled');for(var i=0;i<lineCoords.length;++i){xPos=lineCoords[i][0];yPos=lineCoords[i][1];var set=index;var prevY=(lineCoords[i-1]?lineCoords[i-1][1]:null);var isLast=(i+1)==lineCoords.length;if(prevY<this.gutterTop||prevY>(RGraph.GetHeight(this)-this.gutterBottom)){penUp=true;}
if(i==0||penUp||!yPos||!prevY||prevY<this.gutterTop){if(this.Get('chart.filled')&&!this.Get('chart.filled.range')){this.context.moveTo(xPos+1,this.canvas.height-this.gutterBottom-(this.Get('chart.xaxispos')=='center'?(this.canvas.height-this.gutterTop-this.gutterBottom)/2:0)-1);if(this.Get('chart.xaxispos')=='top'){this.context.moveTo(xPos+1,this.Get('chart.gutter.top'));}
this.context.lineTo(xPos+1,yPos);}else{if(RGraph.isIE8()&&yPos==null){}else{this.context.moveTo(xPos,yPos);}}
if(yPos==null){penUp=true;}else{penUp=false;}}else{if(isStepped){this.context.lineTo(xPos,lineCoords[i-1][1]);}
if((yPos>=this.gutterTop&&yPos<=(this.canvas.height-this.gutterBottom))||this.Get('chart.outofbounds')){if(isLast&&this.Get('chart.filled')&&!this.Get('chart.filled.range')&&this.Get('chart.yaxispos')=='right'){xPos-=1;}
if(!isStepped||!isLast){this.context.lineTo(xPos,yPos);if(isFilled&&lineCoords[i+1]&&lineCoords[i+1][1]==null){this.context.lineTo(xPos,RGraph.GetHeight(this)-this.gutterBottom);}}else if(isStepped&&isLast){this.context.lineTo(xPos,yPos);}
penUp=false;}else{penUp=true;}}}
if(this.Get('chart.filled')&&!this.Get('chart.filled.range')){var fillStyle=this.Get('chart.fillstyle');if(index>0&&this.Get('chart.filled.accumulative')){this.context.lineTo(xPos,prevLineCoords?prevLineCoords[i-1][1]:(this.canvas.height-this.gutterBottom-1+(this.Get('chart.xaxispos')=='center'?(this.canvas.height-this.gutterTop-this.gutterBottom)/2:0)));for(var k=(i-1);k>=0;--k){this.context.lineTo(prevLineCoords[k][0],prevLineCoords[k][1]);}}else{if(this.Get('chart.xaxispos')=='top'){this.context.lineTo(xPos,this.Get('chart.gutter.top')+1);this.context.lineTo(lineCoords[0][0],this.Get('chart.gutter.top')+1);}else{this.context.lineTo(xPos,this.canvas.height-this.gutterBottom-1-+(this.Get('chart.xaxispos')=='center'?(this.canvas.height-this.gutterTop-this.gutterBottom)/2:0));this.context.lineTo(lineCoords[0][0],this.canvas.height-this.Get('chart.gutter.bottom')-(this.Get('chart.xaxispos')=='center'?(this.canvas.height-this.gutterTop-this.gutterBottom)/2:0));}}
this.context.fillStyle=fill;this.context.fill();this.context.beginPath();}
if(navigator.userAgent.match(/Chrome/)&&this.Get('chart.shadow')&&this.Get('chart.chromefix')&&this.Get('chart.shadow.blur')>0){for(var i=lineCoords.length-1;i>=0;--i){if(typeof(lineCoords[i][1])!='number'||(typeof(lineCoords[i+1])=='object'&&typeof(lineCoords[i+1][1])!='number')){this.context.moveTo(lineCoords[i][0],lineCoords[i][1]);}else{this.context.lineTo(lineCoords[i][0],lineCoords[i][1]);}}}
this.context.stroke();if(this.Get('chart.backdrop')){this.DrawBackdrop(lineCoords,color);}
this.RedrawLine(lineCoords,color,linewidth);this.context.stroke();for(var i=0;i<lineCoords.length;++i){i=Number(i);if(isStepped&&i==(lineCoords.length-1)){this.context.beginPath();}
if((tickmarks!='endcircle'&&tickmarks!='endsquare'&&tickmarks!='filledendsquare'&&tickmarks!='endtick'&&tickmarks!='endtriangle'&&tickmarks!='arrow'&&tickmarks!='filledarrow')||(i==0&&tickmarks!='arrow'&&tickmarks!='filledarrow')||i==(lineCoords.length-1)){var prevX=(i<=0?null:lineCoords[i-1][0]);var prevY=(i<=0?null:lineCoords[i-1][1]);this.DrawTick(lineData,lineCoords[i][0],lineCoords[i][1],color,false,prevX,prevY,tickmarks,i);}}
this.context.beginPath();this.context.arc(RGraph.GetWidth(this)+50000,RGraph.GetHeight(this)+50000,2,0,6.38,1);}
RGraph.Line.prototype.DrawTick=function(lineData,xPos,yPos,color,isShadow,prevX,prevY,tickmarks,index)
{if((yPos==null||yPos>(this.canvas.height-this.gutterBottom)||yPos<this.gutterTop)&&!this.Get('chart.outofbounds')||!this.Get('chart.line.visible')){return;}
this.context.beginPath();var offset=0;this.context.lineWidth=this.Get('chart.tickmarks.linewidth')?this.Get('chart.tickmarks.linewidth'):this.Get('chart.linewidth');this.context.strokeStyle=isShadow?this.Get('chart.shadow.color'):this.context.strokeStyle;this.context.fillStyle=isShadow?this.Get('chart.shadow.color'):this.context.strokeStyle;if(tickmarks=='circle'||tickmarks=='filledcircle'||tickmarks=='endcircle'){if(tickmarks=='circle'||tickmarks=='filledcircle'||(tickmarks=='endcircle')){this.context.beginPath();this.context.arc(xPos+offset,yPos+offset,this.Get('chart.ticksize'),0,360/(180/Math.PI),false);if(tickmarks=='filledcircle'){this.context.fillStyle=isShadow?this.Get('chart.shadow.color'):this.context.strokeStyle;}else{this.context.fillStyle=isShadow?this.Get('chart.shadow.color'):'white';}
this.context.stroke();this.context.fill();}}else if(tickmarks=='halftick'){this.context.beginPath();this.context.moveTo(xPos,yPos);this.context.lineTo(xPos,yPos+this.Get('chart.ticksize'));this.context.stroke();}else if(tickmarks=='tick'){this.context.beginPath();this.context.moveTo(xPos,yPos-this.Get('chart.ticksize'));this.context.lineTo(xPos,yPos+this.Get('chart.ticksize'));this.context.stroke();}else if(tickmarks=='endtick'){this.context.beginPath();this.context.moveTo(xPos,yPos-this.Get('chart.ticksize'));this.context.lineTo(xPos,yPos+this.Get('chart.ticksize'));this.context.stroke();}else if(tickmarks=='cross'){this.context.beginPath();this.context.moveTo(xPos-this.Get('chart.ticksize'),yPos-this.Get('chart.ticksize'));this.context.lineTo(xPos+this.Get('chart.ticksize'),yPos+this.Get('chart.ticksize'));this.context.moveTo(xPos+this.Get('chart.ticksize'),yPos-this.Get('chart.ticksize'));this.context.lineTo(xPos-this.Get('chart.ticksize'),yPos+this.Get('chart.ticksize'));this.context.stroke();}else if(tickmarks=='triangle'||tickmarks=='filledtriangle'||tickmarks=='endtriangle'){this.context.beginPath();if(tickmarks=='filledtriangle'){this.context.fillStyle=isShadow?this.Get('chart.shadow.color'):this.context.strokeStyle;}else{this.context.fillStyle='white';}
this.context.moveTo(xPos-this.Get('chart.ticksize'),yPos+this.Get('chart.ticksize'));this.context.lineTo(xPos,yPos-this.Get('chart.ticksize'));this.context.lineTo(xPos+this.Get('chart.ticksize'),yPos+this.Get('chart.ticksize'));this.context.closePath();this.context.stroke();this.context.fill();}else if(tickmarks=='borderedcircle'||tickmarks=='dot'){this.context.lineWidth=1;this.context.strokeStyle=this.Get('chart.tickmarks.dot.color');this.context.fillStyle=this.Get('chart.tickmarks.dot.color');this.context.beginPath();this.context.arc(xPos,yPos,this.Get('chart.ticksize'),0,360/(180/Math.PI),false);this.context.closePath();this.context.fill();this.context.stroke();this.context.beginPath();this.context.fillStyle=color;this.context.strokeStyle=color;this.context.arc(xPos,yPos,this.Get('chart.ticksize')-2,0,360/(180/Math.PI),false);this.context.closePath();this.context.fill();this.context.stroke();}else if(tickmarks=='square'||tickmarks=='filledsquare'||(tickmarks=='endsquare')||(tickmarks=='filledendsquare')){this.context.fillStyle='white';this.context.strokeStyle=this.context.strokeStyle;this.context.beginPath();this.context.strokeRect(xPos-this.Get('chart.ticksize'),yPos-this.Get('chart.ticksize'),this.Get('chart.ticksize')*2,this.Get('chart.ticksize')*2);if(tickmarks=='filledsquare'||tickmarks=='filledendsquare'){this.context.fillStyle=isShadow?this.Get('chart.shadow.color'):this.context.strokeStyle;this.context.fillRect(xPos-this.Get('chart.ticksize'),yPos-this.Get('chart.ticksize'),this.Get('chart.ticksize')*2,this.Get('chart.ticksize')*2);}else if(tickmarks=='square'||tickmarks=='endsquare'){this.context.fillStyle=isShadow?this.Get('chart.shadow.color'):'white';this.context.fillRect((xPos-this.Get('chart.ticksize'))+1,(yPos-this.Get('chart.ticksize'))+1,(this.Get('chart.ticksize')*2)-2,(this.Get('chart.ticksize')*2)-2);}
this.context.stroke();this.context.fill();}else if(tickmarks=='filledarrow'){var x=Math.abs(xPos-prevX);var y=Math.abs(yPos-prevY);if(yPos<prevY){var a=Math.atan(x/y)+1.57;}else{var a=Math.atan(y/x)+3.14;}
this.context.beginPath();this.context.moveTo(xPos,yPos);this.context.arc(xPos,yPos,7,a-0.5,a+0.5,false);this.context.closePath();this.context.stroke();this.context.fill();}else if(tickmarks=='arrow'){var x=Math.abs(xPos-prevX);var y=Math.abs(yPos-prevY);if(yPos<prevY){var a=Math.atan(x/y)+1.57;}else{var a=Math.atan(y/x)+3.14;}
this.context.beginPath();this.context.moveTo(xPos,yPos);this.context.arc(xPos,yPos,7,a-0.5-(document.all?0.1:0.01),a-0.4,false);this.context.moveTo(xPos,yPos);this.context.arc(xPos,yPos,7,a+0.5+(document.all?0.1:0.01),a+0.5,true);this.context.stroke();}else if(typeof(tickmarks)=='function'){tickmarks(this,lineData,lineData[index],index,xPos,yPos,color,prevX,prevY);}}
RGraph.Line.prototype.DrawRange=function()
{if(this.Get('chart.filled.range')&&this.Get('chart.filled')){this.context.beginPath();this.context.fillStyle=this.Get('chart.fillstyle');this.context.strokeStyle=this.Get('chart.fillstyle');this.context.lineWidth=1;var len=(this.coords.length/2);for(var i=0;i<len;++i){if(i==0){this.context.moveTo(this.coords[i][0],this.coords[i][1])}else{this.context.lineTo(this.coords[i][0],this.coords[i][1])}}
for(var i=this.coords.length-1;i>=len;--i){this.context.lineTo(this.coords[i][0],this.coords[i][1])}
this.context.stroke();this.context.fill();}}
RGraph.Line.prototype.RedrawLine=function(coords,color,linewidth)
{if(this.Get('chart.noredraw')){return;}
this.context.strokeStyle=(typeof(color)=='object'&&color?color[0]:color);this.context.lineWidth=linewidth;if(!this.Get('chart.line.visible')){this.context.strokeStyle='rgba(0,0,0,0)';}
if(this.Get('chart.curvy')){this.DrawCurvyLine(coords,!this.Get('chart.line.visible')?'rgba(0,0,0,0)':color,linewidth);return}
this.context.beginPath();var len=coords.length;var width=this.canvas.width
var height=this.canvas.height;var penUp=false;for(var i=0;i<len;++i){var xPos=coords[i][0];var yPos=coords[i][1];if(i>0){var prevX=coords[i-1][0];var prevY=coords[i-1][1];}
if(((i==0&&coords[i])||(yPos<this.gutterTop)||(prevY<this.gutterTop)||(yPos>(height-this.gutterBottom))||(i>0&&prevX>(width-this.gutterRight))||(i>0&&prevY>(height-this.gutterBottom))||prevY==null||penUp==true)&&(!this.Get('chart.outofbounds')||yPos==null||prevY==null)){if(RGraph.isIE8()&&yPos==null){}else{this.context.moveTo(coords[i][0],coords[i][1]);}
penUp=false;}else{if(this.Get('chart.stepped')&&i>0){this.context.lineTo(coords[i][0],coords[i-1][1]);}
this.context.lineTo(coords[i][0],coords[i][1]);penUp=false;}}
if(this.Get('chart.colors.alternate')&&typeof(color)=='object'&&color[0]&&color[1]){for(var i=1;i<len;++i){var prevX=coords[i-1][0];var prevY=coords[i-1][1];this.context.beginPath();this.context.strokeStyle=color[coords[i][1]<prevY?0:1];this.context.lineWidth=this.Get('chart.linewidth');this.context.moveTo(prevX,prevY);this.context.lineTo(coords[i][0],coords[i][1]);this.context.stroke();}}}
RGraph.Line.prototype.DrawIEShadow=function(coords,color)
{var offsetx=this.Get('chart.shadow.offsetx');var offsety=this.Get('chart.shadow.offsety');this.context.lineWidth=this.Get('chart.linewidth');this.context.strokeStyle=color;this.context.beginPath();for(var i=0;i<coords.length;++i){if(i==0){this.context.moveTo(coords[i][0]+offsetx,coords[i][1]+offsety);}else{this.context.lineTo(coords[i][0]+offsetx,coords[i][1]+offsety);}}
this.context.stroke();}
RGraph.Line.prototype.DrawBackdrop=function(coords,color)
{var size=this.Get('chart.backdrop.size');this.context.lineWidth=size;this.context.globalAlpha=this.Get('chart.backdrop.alpha');this.context.strokeStyle=color;this.context.lineJoin='miter';this.context.beginPath();this.context.moveTo(coords[0][0],coords[0][1]);for(var j=1;j<coords.length;++j){this.context.lineTo(coords[j][0],coords[j][1]);}
this.context.stroke();this.context.globalAlpha=1;this.context.lineJoin='round';RGraph.NoShadow(this);}
RGraph.Line.prototype.GetLineWidth=function(i)
{var linewidth=this.Get('chart.linewidth');if(typeof(linewidth)=='number'){return linewidth;}else if(typeof(linewidth)=='object'){if(linewidth[i]){return linewidth[i];}else{return linewidth[0];}
alert('[LINE] Error! chart.linewidth should be a single number or an array of one or more numbers');}}
RGraph.Line.prototype.getPoint=function(e)
{var canvas=e.target;var obj=canvas.__object__;var context=obj.context;var mouseXY=RGraph.getMouseXY(e);var mouseX=mouseXY[0];var mouseY=mouseXY[1];if(arguments[1]){obj=arguments[1];}
for(var i=0;i<obj.coords.length;++i){var xCoord=obj.coords[i][0];var yCoord=obj.coords[i][1];if(obj.Get('chart.tooltips.hotspot.xonly')==false&&mouseX<=(xCoord+5)&&mouseX>=(xCoord-5)&&mouseY<=(yCoord+5)&&mouseY>=(yCoord-5)){return[obj,xCoord,yCoord,i];}else if(obj.Get('chart.tooltips.hotspot.xonly')==true&&mouseX<=(xCoord+5)&&mouseX>=(xCoord-5)){return[obj,xCoord,yCoord,i];}}}
RGraph.Line.prototype.DrawAboveLabels=function()
{var context=this.context;var size=this.Get('chart.labels.above.size');var font=this.Get('chart.text.font');var units_pre=this.Get('chart.units.pre');var units_post=this.Get('chart.units.post');context.beginPath();for(var i=0;i<this.coords.length;++i){var coords=this.coords[i];RGraph.Text(context,font,size,coords[0],coords[1]-5-size,RGraph.number_format(this,this.data_arr[i],units_pre,units_post),'center','center',true,null,'rgba(255, 255, 255, 0.7)');}
context.fill();}
RGraph.Line.prototype.DrawCurvyLine=function(coords,color,linewidth)
{var co=this.context;co.beginPath();co.strokeStyle=color;co.lineWidth=linewidth;for(var i=0;i<coords.length;++i){if(coords[i+1]){var factor=this.Get('chart.curvy.factor');var coordX=coords[i][0];var coordY=coords[i][1];var nextX=coords[i+1][0];var nextY=coords[i+1][1];var offsetX=(coords[i+1][0]-coords[i][0])*factor;var offsetY=(coords[i+1][1]-coords[i][1])*factor;if(i==0){co.moveTo(coordX,coordY);co.lineTo(nextX-offsetX,nextY-offsetY);}else if(nextY==null){co.lineTo(coordX,coordY);}else if(coordY==null){co.moveTo(nextX,nextY);}else{co.quadraticCurveTo(coordX,coordY,coordX+offsetX,coordY+offsetY);if(nextY){co.lineTo(nextX-offsetX,nextY-offsetY);}else{co.lineTo(coordX,coordY);}}}else{co.lineTo(coords[i][0],coords[i][1]);}}
co.stroke();}