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<html> | |
<head> | |
<title> | |
[Visualizing Movement Data with D3.js] | |
</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> | |
<script src="mviz.js"></script> | |
<style> | |
* { | |
box-sizing: border-box | |
} | |
body { | |
margin: 0px; | |
} | |
svg { | |
position: relative; | |
left: calc(50% - 250px); | |
} | |
#c1 { | |
position: relative; | |
top: 100px; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="c1"></div> | |
<script>run()</script> | |
</body> | |
</html> |
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// Variables | |
var skeleton; | |
var positions; | |
var figureScale = 2.2; | |
var h = 540; | |
var w = 500; | |
var gap = 0; | |
var skip = 1; | |
var traillength = 20; | |
//******************************************************************// | |
function run() { | |
// Read the files | |
console.log('Loading the data...'); | |
d3.json("https://omid.al/moveviz/data/ConnectivityMatrix_Antonio.json", function(error, json) { | |
if (error) return console.warn(error); | |
skeleton = json; | |
d3.json("https://omid.al/moveviz/data/Improv_Antonio.json", function(error, json) { | |
positions = json; | |
positions.splice(0, 160); | |
positions.splice(positions.length-190, 190); | |
var frames = positions.map(function(ff, j) { | |
return ff.map(function(d, i) { | |
return { | |
x: (d.x + 80) * figureScale, | |
y: -1 * d.y * figureScale + h - 10, | |
z: d.z * figureScale | |
}; | |
}); | |
}); | |
svg = draw(frames); | |
var fr = 1/30; | |
var startTimeJ = Date.now(); | |
anim0(frames.slice(0,traillength),svg); | |
window.setInterval(function() { | |
f = traillength + Math.floor((Date.now() - startTimeJ)/1000 / fr); | |
if (f > frames.length) { | |
startTimeJ=Date.now(); | |
f = 0; | |
} | |
segment = frames.slice(f-traillength,f); | |
anim(segment,svg); | |
}, fr * 1000); | |
}); | |
}); | |
} | |
function draw(frames) { | |
console.log('Drawing...'); | |
// Prep the environment | |
var parent = d3.select("body").select("#c1"); | |
var svg = parent.append("svg") | |
.attr("id","svg") | |
.attr("width", w) | |
.attr("height", h) | |
.attr("overflow", "scroll") | |
.style("display", "inline-block"); | |
// Scale the data | |
index = 30; | |
// Joints | |
headJoint = 15; | |
svg.selectAll("g.joints") | |
.data(frames.filter(function(d, i) { | |
return i % skip == 0; | |
})) | |
.enter() | |
.append("g") | |
.attr("transform", function(d, i) { | |
return "translate(" + (i * gap) + ",0)"; | |
}) | |
.selectAll("circle.f" + index) | |
.data(function(d, i) { | |
return d | |
}) | |
.enter() | |
.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 .8; | |
else | |
return .8; | |
}).attr("fill",'grey') | |
.attr("fill-opacity", function(d, j, k) { | |
if ((k * skip) < (frames.length/ 2)) | |
coef = (k * skip)/frames.length; | |
else | |
coef = (frames.length - (k * skip))/frames.length; | |
return coef; | |
}); | |
try { | |
if (window.top && window.top.loaded) | |
window.top.loaded(); | |
} catch(err) { | |
console.log(err); | |
} | |
return svg; | |
} | |
function anim0(frames, svg) { | |
// Joints | |
headJoint = 15; | |
svg.selectAll("g.jointsanim") | |
.data(frames) | |
.enter() | |
.append("g") | |
.attr("class","jointsanim") | |
.selectAll("circle.anim") | |
.data(function(d, i) { | |
return d; | |
}) | |
.enter() | |
.append("circle") | |
.attr("class","anim") | |
.attr("cx", function(d) { | |
return d.x; | |
}).attr("cy", function(d) { | |
return d.y; | |
}).attr("r", function(d, i) { | |
if (i == headJoint) | |
return .8; | |
else | |
return 1.8; | |
}) | |
.attr("fill",'#cc6666') | |
.attr("fill-opacity",1); | |
// Bones | |
svg.selectAll("g.boneanim") | |
.data(frames) | |
.enter() | |
.append("g") | |
.attr("class","boneanim") | |
.selectAll("line.anim") | |
.data(skeleton) | |
.enter() | |
.append("line") | |
.attr("class","anim") | |
.attr("stroke", "#cc6666") | |
.attr("stroke-opacity", .8) | |
.attr("stroke-width", 2) | |
.attr("x1", function(d, j, k) { | |
return frames[k][d[0]].x; | |
}) | |
.attr("x2", function(d, j, k) { | |
return frames[k][d[1]].x; | |
}) | |
.attr("y1", function(d, j, k) { | |
return frames[k][d[0]].y; | |
}) | |
.attr("y2", function(d, j, k) { | |
return frames[k][d[1]].y; | |
}); | |
} | |
function anim(frames, svg) { | |
// Joints | |
headJoint = 15; | |
svg.selectAll("g.jointsanim") | |
.data(frames) | |
.selectAll("circle.anim") | |
.data(function(d, i) { | |
return d; | |
}) | |
.attr("cx", function(d) { | |
return d.x; | |
}) | |
.attr("cy", function(d) { | |
return d.y; | |
}) | |
.attr("r", function(d, i, k) { | |
return .2 + 1.5 * k/traillength; | |
}) | |
.attr("fill",'#cc6666') | |
.attr("fill-opacity", function (d,i, k) { | |
return k/traillength; | |
}); | |
// Bones | |
svg.selectAll("g.boneanim") | |
.data(frames) | |
.selectAll("line.anim") | |
.data(skeleton) | |
.attr("stroke", "#cc6666") | |
.attr("stroke-opacity", function (d,i, k) { | |
return .1 + 0.3 * k/traillength; | |
}) | |
.attr("stroke-width", function (d,i, k) { | |
return 3 * k/traillength; | |
}) | |
.attr("x1", function(d, j, k) { | |
return frames[k][d[0]].x; | |
}) | |
.attr("x2", function(d, j, k) { | |
return frames[k][d[1]].x; | |
}) | |
.attr("y1", function(d, j, k) { | |
return frames[k][d[0]].y; | |
}) | |
.attr("y2", function(d, j, k) { | |
return frames[k][d[1]].y; | |
}); | |
} |
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