D3 example

Developer
Theun
Size
2,392 Kb
Views
52,624
  1. D3 example Previews
  2. D3 example HTML Codes
  3. D3 example CSS Codes
  4. D3 example JS Codes

How do I make an d3 example?

Juts fooling around with some examples from the amazing d3.js library. What is a d3 example? How do you make a d3 example? This script and codes were developed by Theun on 23 July 2022, Saturday.

D3 example Previews
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D3 example - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>D3 example </title> <link rel="stylesheet" href="css/style.css">
</head>
<body>
<html> <head> <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?1.29.1"></script> </head> <body> </body>
</html> <script src='http://mbostock.github.com/d3/d3.js?1.29.1'></script> <script src="js/index.js"></script>
</body>
</html>

D3 example - Script Codes CSS Codes

body { background: #333;
}
ellipse { fill: #ddd;
}
path { fill: none; stroke: #ddd; stroke-linecap: round;
}
.mid { stroke-width: 4px;
}
.tail { stroke-width: 2px;
}

D3 example - Script Codes JS Codes

var w = 960, h = 500, n = 100, m = 12, degrees = 180 / Math.PI;
var spermatozoa = d3.range(n).map(function() { var x = Math.random() * w, y = Math.random() * h; return { vx: Math.random() * 2 - 1, vy: Math.random() * 2 - 1, path: d3.range(m).map(function() { return [x, y]; }), count: 0 };
});
var svg = d3.select("body").append("svg:svg") .attr("width", w) .attr("height", h);
var g = svg.selectAll("g") .data(spermatozoa) .enter().append("svg:g");
var head = g.append("svg:ellipse") .attr("rx", 6.5) .attr("ry", 4);
g.append("svg:path") .map(function(d) { return d.path.slice(0, 3); }) .attr("class", "mid");
g.append("svg:path") .map(function(d) { return d.path; }) .attr("class", "tail");
var tail = g.selectAll("path");
d3.timer(function() { for (var i = -1; ++i < n;) { var spermatozoon = spermatozoa[i], path = spermatozoon.path, dx = spermatozoon.vx, dy = spermatozoon.vy, x = path[0][0] += dx, y = path[0][1] += dy, speed = Math.sqrt(dx * dx + dy * dy), count = speed * 10, k1 = -5 - speed / 3; // Bounce off the walls. if (x < 0 || x > w) spermatozoon.vx *= -1; if (y < 0 || y > h) spermatozoon.vy *= -1; // Swim! for (var j = 0; ++j < m;) { var vx = x - path[j][0], vy = y - path[j][1], k2 = Math.sin(((spermatozoon.count += count) + j * 3) / 300) / speed; path[j][0] = (x += dx / speed * k1) - dy * k2; path[j][1] = (y += dy / speed * k1) + dx * k2; speed = Math.sqrt((dx = vx) * dx + (dy = vy) * dy); } } head.attr("transform", function(d) { return "translate(" + d.path[0] + ")rotate(" + Math.atan2(d.vy, d.vx) * degrees + ")"; }); tail.attr("d", function(d) { return "M" + d.join("L"); });
});
D3 example - Script Codes
D3 example - Script Codes
Home Page Home
Developer Theun
Username tjoen
Uploaded July 23, 2022
Rating 4
Size 2,392 Kb
Views 52,624
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