Heatmap Color Scales

Developer
Size
2,331 Kb
Views
82,984

How do I make an heatmap color scales?

What is a heatmap color scales? How do you make a heatmap color scales? This script and codes were developed by Steve Pepple on 22 June 2022, Wednesday.

Heatmap Color Scales Previews

Heatmap Color Scales - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Heatmap Color Scales</title> <link rel="stylesheet" href="css/style.css">
</head>
<body>
<p>Spectral Scale</p>
<p class="small">Red to Blue diverging scale</p>
<div id="scale1" class="scale"></div>
<p>Pink Scale</p>
<p class="small">Pink to Green diverging scale</p>
<div id="pink" class="scale"></div>
<p>Pink Scale</p>
<p class="small">Pink to Green diverging scale</p>
<div id="green" class="scale"></div>
<p>Bi-variant Scale</p>
<p class="small">Blend Pink and Green Scale</p>
<div id="bivar" class="scale"></div> <script src='https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.12/d3.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/chroma-js/1.1.1/chroma.min.js'></script>
<script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Heatmap Color Scales - Script Codes CSS Codes

body { background: #F7F7F7; font-family: Helvetica; padding-left: 30px; margin:0px; }
p { color: #222; clear: left; padding-top: 12px; margin-bottom: 8px; font-weight: 200; font-size: 1.2em }
p.small { color: #444; font-size: 0.9em; padding-top: 0px; margin-top:0px; }
.scale { margin-bottom: 2vm;}
.color { float:left; margin-right: 1vw;
}

Heatmap Color Scales - Script Codes JS Codes

scale = d3.scale.linear();
// PRGn: Purple to Green
// BrBG: Brown to Blue
var scale1 = chroma_scale(12, chroma.scale("Spectral"));
showColors("scale1", scale1)
var pink = chroma_scale(12, chroma.scale("PuRd"));
showColors("pink", pink)
var green = chroma_scale(12, chroma.scale("BuGn"));
showColors("green", green)
var bivar = [];
for (i = 0; i < pink.length; i++) { console.log(pink[i]) var blended = chroma.blend(green[i].hex(), pink[i].hex(), 'darken'); bivar.push(blended); console.log(blended)
}
showColors("bivar", bivar)
function showColors(id, colors) { var box = $("#" + id); _.each(colors, function(color) { var item = $("<div class='color'>"); item.css("background", color.hex()) item.css("height", "4vw"); item.css("width", "4vw") box.append(item) });
}
function chroma_scale(length, chroma_scale) { var colors = []; scale.domain([1, length]) var color_scale = chroma.scale(); for (var i = 1; i <= length; i++) { var val = scale(i) colors.push(chroma_scale(val)); } return colors;
}
Heatmap Color Scales - Script Codes
Heatmap Color Scales - Script Codes
Home Page Home
Developer Steve Pepple
Username stevepepple
Uploaded June 22, 2022
Rating 3
Size 2,331 Kb
Views 82,984
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Steve Pepple (stevepepple) Script Codes
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