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A simple example of drawing a single frame of motion capture data in d3.js
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<html> | |
<head> | |
<title> | |
Movement Data Visualization | |
</title> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script> | |
<style> | |
* { | |
box-sizing: border-box | |
} | |
body { | |
margin: 0px; | |
} | |
svg { | |
position: relative; | |
display: block; | |
margin: 0 auto; | |
transform: scale(1.4); | |
} | |
#c1 { | |
position: relative; | |
top: calc( 40% - 100px ) | |
} | |
</style> | |
</head> | |
<body> | |
<div id="c1"> | |
</div> | |
<script src="mviz.js"></script> | |
</body> | |
</html> |
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// Variables | |
var skeleton; | |
var positions; | |
var figureScale = 2.2; | |
var h = 200; | |
var w = 100; | |
var gap = 0.6; | |
var skip = 2; | |
function draw() { | |
// Prep the environment | |
var parent = d3.select("body").select("#c1"); | |
var svg = parent.append("svg") | |
.attr("width", w) | |
.attr("height", h); | |
// Scale the data | |
positions = positions.map(function (f, j) { | |
return f.map(function (d, i) { | |
return { | |
x: (d.x) * figureScale + 80, | |
y: -1 * d.y * figureScale + h - 10, | |
z: d.z * figureScale | |
}; | |
}); | |
}); | |
// Choose the frame to draw | |
index = 0; // the index of the frame | |
currentFrame = positions[index]; | |
headJoint = 15; | |
var joints = svg.selectAll("circle.joints" + index) | |
.data(currentFrame) | |
.enter(); | |
joints.append("circle") | |
.attr("cx", function (d) { | |
return d.x; | |
}) | |
.attr("cy", function (d) { | |
return d.y; | |
}) | |
.attr("r", function (d, i) { | |
if (i == headJoint) | |
return 4; | |
else | |
return 2; | |
}) | |
.attr("fill", function (d, i) { | |
return '#555555'; | |
}) | |
.attr("opacity", 0.9); | |
// Bones | |
var bones = svg.selectAll("line.bones" + index) | |
.data(skeleton) | |
.enter(); | |
bones.append("line") | |
.attr("stroke", "#555555") | |
.attr("stroke-width", 1) | |
.attr("opacity", 0.9) | |
.attr("x1", 0).attr("x2", 0) | |
.attr("x1", function (d, j) { | |
return currentFrame[d[0]].x; | |
}) | |
.attr("x2", function (d, j) { | |
return currentFrame[d[1]].x; | |
}) | |
.attr("y1", function (d, j) { | |
return currentFrame[d[0]].y; | |
}) | |
.attr("y2", function (d, j) { | |
return currentFrame[d[1]].y; | |
}); | |
window.parent.loaded(); | |
} | |
// Read the files | |
$.getJSON("https://omid.al/moveviz/data/Skeleton_Slash.json", function (json) { | |
skeleton = json; | |
$.getJSON("https://omid.al/moveviz/data/Slash.json", function (json) { | |
positions = json; | |
draw(); | |
}); | |
}); |
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title: 'Lone' | |
description: | | |
A simple example of drawing a single frame of motion capture data in d3.js |
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