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January 20, 2019 05:06
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// source https://jsbin.com
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>JS Bin</title> | |
<style id="jsbin-css"> | |
svg { | |
outline: 1px solid gray; | |
} | |
</style> | |
</head> | |
<body> | |
<svg id="grafiquito" height="250px" width="370px"> | |
</svg> | |
<script id="jsbin-javascript"> | |
function generateChart(labels,size){ | |
var total=0; | |
var colors=[]; | |
for(var a=0;a<labels.length;a++){ | |
colors.push(pastelColors()); | |
} | |
for(var c=0;c<labels.length;c++){ | |
total+=size[c]; | |
} | |
var result=""; | |
var acumulado=0 | |
var anterior; | |
for(var i=0;i<labels.length;i++){ | |
var actual=(size[i]/total*360); | |
anterior=acumulado; | |
acumulado=acumulado+actual; | |
result+="<path stroke='black' stroke-width='0.5' fill='"+colors[i]+"' d='"+describeArc(110, 120, 100, anterior, acumulado)+"'/>\n" | |
} | |
for(var j=0;j<labels.length;j++){ | |
result+="<rect x='230' y='"+(j+1)*20+"' width='10' height='10' fill='"+colors[j]+"'/>\n" | |
} | |
for(var k=0;k<labels.length;k++){ | |
result+="<text x='248' y='"+(29+(k*20))+"'>"+labels[k]+"("+(size[k]/total*100)+"%)</text>\n" | |
} | |
return result; | |
} | |
function polarToCartesian(centerX, centerY, radius, angleInDegrees) { | |
var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0; | |
return { | |
x: centerX + (radius * Math.cos(angleInRadians)), | |
y: centerY + (radius * Math.sin(angleInRadians)) | |
}; | |
} | |
function describeArc(x, y, radius, startAngle, endAngle){ | |
var start = polarToCartesian(x, y, radius, endAngle); | |
var end = polarToCartesian(x, y, radius, startAngle); | |
var largeArcFlag = endAngle - startAngle <= 180 ? "0" : "1"; | |
var d = [ | |
"M", x, y, | |
"L", start.x, start.y , | |
"A", radius, radius, 0, largeArcFlag, 0, end.x, end.y, | |
"Z" | |
].join(" "); | |
return d; | |
} | |
function pastelColors( ){ | |
var r = ( 255 - Math.round(Math.random()*127) ).toString(16); | |
var g = ( 255 - Math.round(Math.random()*127) ).toString(16); | |
var b = ( 255 - Math.round(Math.random()*127) ).toString(16); | |
return '#' + r + g + b; | |
} | |
window.onload = function() { | |
var graf=document.getElementById("grafiquito") | |
graf.innerHTML= generateChart(["java","net","python", "c#","javascript"],[ 40 ,10,10,10,10 ]) | |
}; | |
</script> | |
<script id="jsbin-source-html" type="text/html"><!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>JS Bin</title> | |
</head> | |
<body> | |
<svg id="grafiquito" height="250px" width="370px"> | |
</svg> | |
</body> | |
</html> | |
</script> | |
<script id="jsbin-source-css" type="text/css"> | |
svg { | |
outline: 1px solid gray; | |
} </script> | |
<script id="jsbin-source-javascript" type="text/javascript"> | |
function generateChart(labels,size){ | |
var total=0; | |
var colors=[]; | |
for(var a=0;a<labels.length;a++){ | |
colors.push(pastelColors()); | |
} | |
for(var c=0;c<labels.length;c++){ | |
total+=size[c]; | |
} | |
var result=""; | |
var acumulado=0 | |
var anterior; | |
for(var i=0;i<labels.length;i++){ | |
var actual=(size[i]/total*360); | |
anterior=acumulado; | |
acumulado=acumulado+actual; | |
result+="<path stroke='black' stroke-width='0.5' fill='"+colors[i]+"' d='"+describeArc(110, 120, 100, anterior, acumulado)+"'/>\n" | |
} | |
for(var j=0;j<labels.length;j++){ | |
result+="<rect x='230' y='"+(j+1)*20+"' width='10' height='10' fill='"+colors[j]+"'/>\n" | |
} | |
for(var k=0;k<labels.length;k++){ | |
result+="<text x='248' y='"+(29+(k*20))+"'>"+labels[k]+"("+(size[k]/total*100)+"%)</text>\n" | |
} | |
return result; | |
} | |
function polarToCartesian(centerX, centerY, radius, angleInDegrees) { | |
var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0; | |
return { | |
x: centerX + (radius * Math.cos(angleInRadians)), | |
y: centerY + (radius * Math.sin(angleInRadians)) | |
}; | |
} | |
function describeArc(x, y, radius, startAngle, endAngle){ | |
var start = polarToCartesian(x, y, radius, endAngle); | |
var end = polarToCartesian(x, y, radius, startAngle); | |
var largeArcFlag = endAngle - startAngle <= 180 ? "0" : "1"; | |
var d = [ | |
"M", x, y, | |
"L", start.x, start.y , | |
"A", radius, radius, 0, largeArcFlag, 0, end.x, end.y, | |
"Z" | |
].join(" "); | |
return d; | |
} | |
function pastelColors( ){ | |
var r = ( 255 - Math.round(Math.random()*127) ).toString(16); | |
var g = ( 255 - Math.round(Math.random()*127) ).toString(16); | |
var b = ( 255 - Math.round(Math.random()*127) ).toString(16); | |
return '#' + r + g + b; | |
} | |
window.onload = function() { | |
var graf=document.getElementById("grafiquito") | |
graf.innerHTML= generateChart(["java","net","python", "c#","javascript"],[ 40 ,10,10,10,10 ]) | |
};</script></body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
svg { | |
outline: 1px solid gray; | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function generateChart(labels,size){ | |
var total=0; | |
var colors=[]; | |
for(var a=0;a<labels.length;a++){ | |
colors.push(pastelColors()); | |
} | |
for(var c=0;c<labels.length;c++){ | |
total+=size[c]; | |
} | |
var result=""; | |
var acumulado=0 | |
var anterior; | |
for(var i=0;i<labels.length;i++){ | |
var actual=(size[i]/total*360); | |
anterior=acumulado; | |
acumulado=acumulado+actual; | |
result+="<path stroke='black' stroke-width='0.5' fill='"+colors[i]+"' d='"+describeArc(110, 120, 100, anterior, acumulado)+"'/>\n" | |
} | |
for(var j=0;j<labels.length;j++){ | |
result+="<rect x='230' y='"+(j+1)*20+"' width='10' height='10' fill='"+colors[j]+"'/>\n" | |
} | |
for(var k=0;k<labels.length;k++){ | |
result+="<text x='248' y='"+(29+(k*20))+"'>"+labels[k]+"("+(size[k]/total*100)+"%)</text>\n" | |
} | |
return result; | |
} | |
function polarToCartesian(centerX, centerY, radius, angleInDegrees) { | |
var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0; | |
return { | |
x: centerX + (radius * Math.cos(angleInRadians)), | |
y: centerY + (radius * Math.sin(angleInRadians)) | |
}; | |
} | |
function describeArc(x, y, radius, startAngle, endAngle){ | |
var start = polarToCartesian(x, y, radius, endAngle); | |
var end = polarToCartesian(x, y, radius, startAngle); | |
var largeArcFlag = endAngle - startAngle <= 180 ? "0" : "1"; | |
var d = [ | |
"M", x, y, | |
"L", start.x, start.y , | |
"A", radius, radius, 0, largeArcFlag, 0, end.x, end.y, | |
"Z" | |
].join(" "); | |
return d; | |
} | |
function pastelColors( ){ | |
var r = ( 255 - Math.round(Math.random()*127) ).toString(16); | |
var g = ( 255 - Math.round(Math.random()*127) ).toString(16); | |
var b = ( 255 - Math.round(Math.random()*127) ).toString(16); | |
return '#' + r + g + b; | |
} | |
window.onload = function() { | |
var graf=document.getElementById("grafiquito") | |
graf.innerHTML= generateChart(["java","net","python", "c#","javascript"],[ 40 ,10,10,10,10 ]) | |
}; |
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example of a pie chart without library