MINI Sh3ll
/* ------------------------------------------------------------------------------
*
* # D3.js - chord arc tweens
*
* Demo chord diagram setup with arc shapes animation
*
* ---------------------------------------------------------------------------- */
// Setup module
// ------------------------------
var D3ChordArcs = function() {
//
// Setup module components
//
// Chart
var _chordArcs = function() {
if (typeof d3 == 'undefined') {
console.warn('Warning - d3.min.js is not loaded.');
return;
}
// Main variables
var element = document.getElementById('d3-chord-arc');
// Initialize chart only if element exsists in the DOM
if(element) {
// Basic setup
// ------------------------------
// Data set
var data = [
[6,32,47,81,31,89,24,68,50,39],
[37,83,57,80,87,7,85,7,68,17],
[50,15,31,3,1,85,36,95,83,99],
[19,99,97,79,74,43,78,18,4,57],
[77,2,87,41,93,52,6,42,11,76],
[91,56,97,65,23,60,63,68,45,48],
[17,77,96,22,87,98,58,15,36,16],
[44,54,60,69,36,44,76,58,50,16]
];
// Construct layout
// ------------------------------
d3.chart = d3.chart || {};
d3.chart.chord = function(container) {
// Main variables
var self = {},
svg;
// Layout variables
var w = 400,
h = 400,
r0 = Math.min(w, h) * .37,
r1 = r0 * 1.1;
// Colors
var fill = d3.scale.category20c();
// Construct chart layout
// ------------------------------
// Chord layout
var chord = d3.layout.chord()
.padding(.05)
.sortSubgroups(d3.descending);
// Arc
var arc = d3.svg.arc()
.innerRadius(r0)
.outerRadius(r1);
// Setup chart
// ------------------------------
// Update chart
self.update = function(data) {
if (!chord.matrix()) {
chord.matrix(data);
self.render();
} else {
var old = {
groups: chord.groups()
};
chord.matrix(data);
self.transition(old);
}
};
// Clear chart
self.clear = function() {
d3.select(container).selectAll('svg').remove();
};
// Transition
self.transition = function(old) {
svg.selectAll(".d3-arc")
.data(chord.groups)
.transition()
.duration(1500)
.attrTween("d", arcTween(arc, old));
};
// Render chart
self.render = function() {
self.clear();
// Create chart
svg = d3.select(container)
.append("svg")
.attr("width", w)
.attr("height", h)
.append("g")
.attr("transform", "translate(" + w / 2 + "," + h / 2 + ")");
// Add arc
svg.append("g")
.selectAll("path")
.data(chord.groups)
.enter()
.append("path")
.attr("class", "d3-arc")
.style("fill", function(d) { return fill(d.index); })
.style("stroke", function(d) { return fill(d.index); })
.attr("d", arc)
.on("mouseover", fade(.1, svg))
.on("mouseout", fade(1, svg));
// Add ticks
// ------------------------------
// Group
var ticks = svg.append("g")
.selectAll("g")
.data(chord.groups)
.enter()
.append("g")
.selectAll("g")
.data(groupTicks)
.enter()
.append("g")
.attr("transform", function(d) {
return "rotate(" + (d.angle * 180 / Math.PI - 90) + ")"
+ "translate(" + r1 + ",0)";
});
// Add tick line
ticks.append("line")
.attr("x1", 1)
.attr("y1", 0)
.attr("x2", 5)
.attr("y2", 0)
.style("stroke", "#000");
// Add tick text
ticks.append("text")
.attr("x", 8)
.attr("dy", ".35em")
.attr("text-anchor", function(d) {
return d.angle > Math.PI ? "end" : null;
})
.attr("transform", function(d) {
return d.angle > Math.PI ? "rotate(180)translate(-16)" : null;
})
.style("font-size", 12)
.text(function(d) { return d.label; });
// Add chord
// ------------------------------
svg.append("g")
.attr("class", "d3-chord")
.selectAll("path")
.data(chord.chords)
.enter()
.append("path")
.attr("d", d3.svg.chord().radius(r0))
.style("fill", function(d) { return fill(d.target.index); })
.style("stroke", "#000")
.style("stroke-width", 0.5)
.style("fill-opacity", 0.7)
};
return self;
};
// Utility functions
// ------------------------------
// Returns an array of tick angles and labels, given a group
function groupTicks(d) {
var k = (d.endAngle - d.startAngle) / d.value;
return d3.range(0, d.value, 50).map(function(v, i) {
return {
angle: v * k + d.startAngle,
label: i % 2 ? null : v
};
});
}
// Returns an event handler for fading a given chord group
function fade(opacity, svg) {
return function(g, i) {
svg.selectAll(".d3-chord path").filter(function(d) {
return d.source.index != i && d.target.index != i;
})
.transition()
.style("opacity", opacity);
};
}
// Interpolate the arcs in data space.
function arcTween(arc, old) {
return function(d,i) {
var i = d3.interpolate(old.groups[i], d);
return function(t) {
return arc(i(t));
}
}
}
// Random data
function random_matrix(size) {
var matrix = [];
for (var i=0; i<size; i++) {
var row = [];
for (var j=0; j<size; j++) {
var num = Math.round(100*Math.pow(Math.random(),2)+1);
row.push(num);
}
matrix.push(row);
}
return matrix;
};
// Initialize chart
// ------------------------------
for (var i=1; i<=3; i++) {
initChord(i);
}
function initChord(i) {
var chord = d3.chart.chord(element);
chord.update(data);
d3.select("#update-arc").on("click", function() {
var data = random_matrix(8);
chord.update(data);
});
d3.select("#clear-arc").on("click", function() {
chord.clear();
});
d3.select("#render-arc").on("click", function() {
chord.render();
});
}
}
};
//
// Return objects assigned to module
//
return {
init: function() {
_chordArcs();
}
}
}();
// Initialize module
// ------------------------------
document.addEventListener('DOMContentLoaded', function() {
D3ChordArcs.init();
});
OHA YOOOO