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D3v4 Selectable, Draggable, Zoomable Force Directed Graph

A detailed description of this example can be found at emptypipes.org/2017/04/29/d3v4-selectable-zoomable-force-directed-graph/.

In summary:

  1. Clicking on a node selects it and de-selects everything else.
  2. Shift-clicking on a node toggles its selection status and leaves all other nodes as they are.
  3. Shift-dragging toggles the selection status of all nodes within the selection area.
  4. Dragging on a selected node drags all selected nodes.
  5. Dragging an unselected node selects and drags it while de-selecting everything else.

Upgrading selectable zoomable force directed graph implementation to D3 v4 required a few minor and not-so-minor changes.

  • The new brush in v4 captures the shift, alt and meta keys to perform some actions by default. To get around this, I forked d3-brush and modified it so that it doesn't capture the shift events. The new version (d3-brush-lite) can be found on github. There is an open github issue to disable this behavior in d3-brush.
  • Because the d3-drag behavior consumes all events in v4, it is no longer necessary to stop propagation.
  • The brush creates its own overlay which catches all events meaning that we don't need to turn the zoom behavior off when the shift key is pressed.
  • Whether a node is fixed is specified by the .fx and .fy parameters. This eliminates the need to set the .fixed parameter on each node.
  • The force layout in v4 lets us specify an accessor for the nodes that a link connects. This lets us use ids for a link's endpoint and makes the graph specification JSON easier to read:
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('d3-dispatch'), require('d3-drag'), require('d3-interpolate'), require('d3-selection'), require('d3-transition')) :
typeof define === 'function' && define.amd ? define(['exports', 'd3-dispatch', 'd3-drag', 'd3-interpolate', 'd3-selection', 'd3-transition'], factory) :
(factory((global.d3 = global.d3 || {}),global.d3,global.d3,global.d3,global.d3,global.d3));
}(this, (function (exports,d3Dispatch,d3Drag,d3Interpolate,d3Selection,d3Transition) { 'use strict';
var constant = function(x) {
return function() {
return x;
};
};
var BrushEvent = function(target, type, selection) {
this.target = target;
this.type = type;
this.selection = selection;
};
function nopropagation() {
d3Selection.event.stopImmediatePropagation();
}
var noevent = function() {
d3Selection.event.preventDefault();
d3Selection.event.stopImmediatePropagation();
};
var MODE_DRAG = {name: "drag"};
var MODE_SPACE = {name: "space"};
var MODE_HANDLE = {name: "handle"};
var MODE_CENTER = {name: "center"};
var X = {
name: "x",
handles: ["e", "w"].map(type),
input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; },
output: function(xy) { return xy && [xy[0][0], xy[1][0]]; }
};
var Y = {
name: "y",
handles: ["n", "s"].map(type),
input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; },
output: function(xy) { return xy && [xy[0][1], xy[1][1]]; }
};
var XY = {
name: "xy",
handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type),
input: function(xy) { return xy; },
output: function(xy) { return xy; }
};
var cursors = {
overlay: "crosshair",
selection: "move",
n: "ns-resize",
e: "ew-resize",
s: "ns-resize",
w: "ew-resize",
nw: "nwse-resize",
ne: "nesw-resize",
se: "nwse-resize",
sw: "nesw-resize"
};
var flipX = {
e: "w",
w: "e",
nw: "ne",
ne: "nw",
se: "sw",
sw: "se"
};
var flipY = {
n: "s",
s: "n",
nw: "sw",
ne: "se",
se: "ne",
sw: "nw"
};
var signsX = {
overlay: +1,
selection: +1,
n: null,
e: +1,
s: null,
w: -1,
nw: -1,
ne: +1,
se: +1,
sw: -1
};
var signsY = {
overlay: +1,
selection: +1,
n: -1,
e: null,
s: +1,
w: null,
nw: -1,
ne: -1,
se: +1,
sw: +1
};
function type(t) {
return {type: t};
}
// Ignore right-click, since that should open the context menu.
function defaultFilter() {
return !d3Selection.event.button;
}
function defaultExtent() {
var svg = this.ownerSVGElement || this;
return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]];
}
// Like d3.local, but with the name “__brush” rather than auto-generated.
function local(node) {
while (!node.__brush) if (!(node = node.parentNode)) return;
return node.__brush;
}
function empty(extent) {
return extent[0][0] === extent[1][0]
|| extent[0][1] === extent[1][1];
}
function brushSelection(node) {
var state = node.__brush;
return state ? state.dim.output(state.selection) : null;
}
function brushX() {
return brush$1(X);
}
function brushY() {
return brush$1(Y);
}
var brush = function() {
return brush$1(XY);
};
function brush$1(dim) {
var extent = defaultExtent,
filter = defaultFilter,
listeners = d3Dispatch.dispatch(brush, "start", "brush", "end"),
handleSize = 6,
touchending;
function brush(group) {
var overlay = group
.property("__brush", initialize)
.selectAll(".overlay")
.data([type("overlay")]);
overlay.enter().append("rect")
.attr("class", "overlay")
.attr("pointer-events", "all")
.attr("cursor", cursors.overlay)
.merge(overlay)
.each(function() {
var extent = local(this).extent;
d3Selection.select(this)
.attr("x", extent[0][0])
.attr("y", extent[0][1])
.attr("width", extent[1][0] - extent[0][0])
.attr("height", extent[1][1] - extent[0][1]);
});
group.selectAll(".selection")
.data([type("selection")])
.enter().append("rect")
.attr("class", "selection")
.attr("cursor", cursors.selection)
.attr("fill", "#777")
.attr("fill-opacity", 0.3)
.attr("stroke", "#fff")
.attr("shape-rendering", "crispEdges");
var handle = group.selectAll(".handle")
.data(dim.handles, function(d) { return d.type; });
handle.exit().remove();
handle.enter().append("rect")
.attr("class", function(d) { return "handle handle--" + d.type; })
.attr("cursor", function(d) { return cursors[d.type]; });
group
.each(redraw)
.attr("fill", "none")
.attr("pointer-events", "all")
.style("-webkit-tap-highlight-color", "rgba(0,0,0,0)")
.on("mousedown.brush touchstart.brush", started);
}
brush.move = function(group, selection) {
if (group.selection) {
group
.on("start.brush", function() { emitter(this, arguments).beforestart().start(); })
.on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); })
.tween("brush", function() {
var that = this,
state = that.__brush,
emit = emitter(that, arguments),
selection0 = state.selection,
selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent),
i = d3Interpolate.interpolate(selection0, selection1);
function tween(t) {
state.selection = t === 1 && empty(selection1) ? null : i(t);
redraw.call(that);
emit.brush();
}
return selection0 && selection1 ? tween : tween(1);
});
} else {
group
.each(function() {
var that = this,
args = arguments,
state = that.__brush,
selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent),
emit = emitter(that, args).beforestart();
d3Transition.interrupt(that);
state.selection = selection1 == null || empty(selection1) ? null : selection1;
redraw.call(that);
emit.start().brush().end();
});
}
};
function redraw() {
var group = d3Selection.select(this),
selection = local(this).selection;
if (selection) {
group.selectAll(".selection")
.style("display", null)
.attr("x", selection[0][0])
.attr("y", selection[0][1])
.attr("width", selection[1][0] - selection[0][0])
.attr("height", selection[1][1] - selection[0][1]);
group.selectAll(".handle")
.style("display", null)
.attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; })
.attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; })
.attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; })
.attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; });
}
else {
group.selectAll(".selection,.handle")
.style("display", "none")
.attr("x", null)
.attr("y", null)
.attr("width", null)
.attr("height", null);
}
}
function emitter(that, args) {
return that.__brush.emitter || new Emitter(that, args);
}
function Emitter(that, args) {
this.that = that;
this.args = args;
this.state = that.__brush;
this.active = 0;
}
Emitter.prototype = {
beforestart: function() {
if (++this.active === 1) this.state.emitter = this, this.starting = true;
return this;
},
start: function() {
if (this.starting) this.starting = false, this.emit("start");
return this;
},
brush: function() {
this.emit("brush");
return this;
},
end: function() {
if (--this.active === 0) delete this.state.emitter, this.emit("end");
return this;
},
emit: function(type) {
d3Selection.customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]);
}
};
function started() {
if (d3Selection.event.touches) { if (d3Selection.event.changedTouches.length < d3Selection.event.touches.length) return noevent(); }
else if (touchending) return;
if (!filter.apply(this, arguments)) return;
var that = this,
type = d3Selection.event.target.__data__.type,
mode = (d3Selection.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (d3Selection.event.altKey ? MODE_CENTER : MODE_HANDLE),
signX = dim === Y ? null : signsX[type],
signY = dim === X ? null : signsY[type],
state = local(that),
extent = state.extent,
selection = state.selection,
W = extent[0][0], w0, w1,
N = extent[0][1], n0, n1,
E = extent[1][0], e0, e1,
S = extent[1][1], s0, s1,
dx,
dy,
moving,
lockX,
lockY,
point0 = d3Selection.mouse(that),
point = point0,
emit = emitter(that, arguments).beforestart();
if (type === "overlay") {
state.selection = selection = [
[w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]],
[e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0]
];
} else {
w0 = selection[0][0];
n0 = selection[0][1];
e0 = selection[1][0];
s0 = selection[1][1];
}
w1 = w0;
n1 = n0;
e1 = e0;
s1 = s0;
var group = d3Selection.select(that)
.attr("pointer-events", "none");
var overlay = group.selectAll(".overlay")
.attr("cursor", cursors[type]);
if (d3Selection.event.touches) {
group
.on("touchmove.brush", moved, true)
.on("touchend.brush touchcancel.brush", ended, true);
} else {
var view = d3Selection.select(d3Selection.event.view)
.on("keydown.brush", keydowned, true)
.on("keyup.brush", keyupped, true)
.on("mousemove.brush", moved, true)
.on("mouseup.brush", ended, true);
d3Drag.dragDisable(d3Selection.event.view);
}
nopropagation();
d3Transition.interrupt(that);
redraw.call(that);
emit.start();
function moved() {
var point1 = d3Selection.mouse(that);
point = point1;
moving = true;
noevent();
move();
}
function move() {
var t;
dx = point[0] - point0[0];
dy = point[1] - point0[1];
switch (mode) {
case MODE_SPACE:
case MODE_DRAG: {
if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx;
if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy;
break;
}
case MODE_HANDLE: {
if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0;
else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx;
if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0;
else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy;
break;
}
case MODE_CENTER: {
if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX));
if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY));
break;
}
}
if (e1 < w1) {
signX *= -1;
t = w0, w0 = e0, e0 = t;
t = w1, w1 = e1, e1 = t;
if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]);
}
if (s1 < n1) {
signY *= -1;
t = n0, n0 = s0, s0 = t;
t = n1, n1 = s1, s1 = t;
if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]);
}
if (state.selection) selection = state.selection; // May be set by brush.move!
if (lockX) w1 = selection[0][0], e1 = selection[1][0];
if (lockY) n1 = selection[0][1], s1 = selection[1][1];
if (selection[0][0] !== w1
|| selection[0][1] !== n1
|| selection[1][0] !== e1
|| selection[1][1] !== s1) {
state.selection = [[w1, n1], [e1, s1]];
redraw.call(that);
emit.brush();
}
}
function ended() {
nopropagation();
if (d3Selection.event.touches) {
if (d3Selection.event.touches.length) return;
if (touchending) clearTimeout(touchending);
touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
group.on("touchmove.brush touchend.brush touchcancel.brush", null);
} else {
d3Drag.dragEnable(d3Selection.event.view, moving);
view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null);
}
group.attr("pointer-events", "all");
overlay.attr("cursor", cursors.overlay);
if (state.selection) selection = state.selection; // May be set by brush.move (on start)!
if (empty(selection)) state.selection = null, redraw.call(that);
emit.end();
}
function keydowned() {
switch (d3Selection.event.keyCode) {
case 18: { // ALT
if (mode === MODE_HANDLE) {
if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;
if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;
mode = MODE_CENTER;
move();
}
break;
}
case 32: { // SPACE; takes priority over ALT
if (mode === MODE_HANDLE || mode === MODE_CENTER) {
if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx;
if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy;
mode = MODE_SPACE;
overlay.attr("cursor", cursors.selection);
move();
}
break;
}
default: return;
}
noevent();
}
function keyupped() {
switch (d3Selection.event.keyCode) {
case 18: { // ALT
if (mode === MODE_CENTER) {
if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;
if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;
mode = MODE_HANDLE;
move();
}
break;
}
case 32: { // SPACE
if (mode === MODE_SPACE) {
if (d3Selection.event.altKey) {
if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;
if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;
mode = MODE_CENTER;
} else {
if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;
if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;
mode = MODE_HANDLE;
}
overlay.attr("cursor", cursors[type]);
move();
}
break;
}
default: return;
}
noevent();
}
}
function initialize() {
var state = this.__brush || {selection: null};
state.extent = extent.apply(this, arguments);
state.dim = dim;
return state;
}
brush.extent = function(_) {
return arguments.length ? (extent = typeof _ === "function" ? _ : constant([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent;
};
brush.filter = function(_) {
return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), brush) : filter;
};
brush.handleSize = function(_) {
return arguments.length ? (handleSize = +_, brush) : handleSize;
};
brush.on = function() {
var value = listeners.on.apply(listeners, arguments);
return value === listeners ? brush : value;
};
return brush;
}
exports.brush = brush;
exports.brushX = brushX;
exports.brushY = brushY;
exports.brushSelection = brushSelection;
Object.defineProperty(exports, '__esModule', { value: true });
})));
function createV4SelectableForceDirectedGraph(svg, graph) {
// if both d3v3 and d3v4 are loaded, we'll assume
// that d3v4 is called d3v4, otherwise we'll assume
// that d3v4 is the default (d3)
if (typeof d3v4 == 'undefined')
d3v4 = d3;
var width = +svg.attr("width"),
height = +svg.attr("height");
let parentWidth = d3v4.select('svg').node().parentNode.clientWidth;
let parentHeight = d3v4.select('svg').node().parentNode.clientHeight;
var svg = d3v4.select('svg')
.attr('width', parentWidth)
.attr('height', parentHeight)
// remove any previous graphs
svg.selectAll('.g-main').remove();
var gMain = svg.append('g')
.classed('g-main', true);
var rect = gMain.append('rect')
.attr('width', parentWidth)
.attr('height', parentHeight)
.style('fill', 'white')
var gDraw = gMain.append('g');
var zoom = d3v4.zoom()
.on('zoom', zoomed)
gMain.call(zoom);
function zoomed() {
gDraw.attr('transform', d3v4.event.transform);
}
var color = d3v4.scaleOrdinal(d3v4.schemeCategory20);
if (! ("links" in graph)) {
console.log("Graph is missing links");
return;
}
var nodes = {};
var i;
for (i = 0; i < graph.nodes.length; i++) {
nodes[graph.nodes[i].id] = graph.nodes[i];
graph.nodes[i].weight = 1.01;
}
// the brush needs to go before the nodes so that it doesn't
// get called when the mouse is over a node
var gBrushHolder = gDraw.append('g');
var gBrush = null;
var link = gDraw.append("g")
.attr("class", "link")
.selectAll("line")
.data(graph.links)
.enter().append("line")
.attr("stroke-width", function(d) { return Math.sqrt(d.value); });
var node = gDraw.append("g")
.attr("class", "node")
.selectAll("circle")
.data(graph.nodes)
.enter().append("circle")
.attr("r", 5)
.attr("fill", function(d) {
if ('color' in d)
return d.color;
else
return color(d.group);
})
.call(d3v4.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended));
// add titles for mouseover blurbs
node.append("title")
.text(function(d) {
if ('name' in d)
return d.name;
else
return d.id;
});
var simulation = d3v4.forceSimulation()
.force("link", d3v4.forceLink()
.id(function(d) { return d.id; })
.distance(function(d) {
return 30;
//var dist = 20 / d.value;
//console.log('dist:', dist);
return dist;
})
)
.force("charge", d3v4.forceManyBody())
.force("center", d3v4.forceCenter(parentWidth / 2, parentHeight / 2))
.force("x", d3v4.forceX(parentWidth/2))
.force("y", d3v4.forceY(parentHeight/2));
simulation
.nodes(graph.nodes)
.on("tick", ticked);
simulation.force("link")
.links(graph.links);
function ticked() {
// update node and line positions at every step of
// the force simulation
link.attr("x1", function(d) { return d.source.x; })
.attr("y1", function(d) { return d.source.y; })
.attr("x2", function(d) { return d.target.x; })
.attr("y2", function(d) { return d.target.y; });
node.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; });
}
var brushMode = false;
var brushing = false;
var brush = d3v4.brush()
.on("start", brushstarted)
.on("brush", brushed)
.on("end", brushended);
function brushstarted() {
// keep track of whether we're actively brushing so that we
// don't remove the brush on keyup in the middle of a selection
brushing = true;
node.each(function(d) {
d.previouslySelected = shiftKey && d.selected;
});
}
rect.on('click', () => {
node.each(function(d) {
d.selected = false;
d.previouslySelected = false;
});
node.classed("selected", false);
});
function brushed() {
if (!d3v4.event.sourceEvent) return;
if (!d3v4.event.selection) return;
var extent = d3v4.event.selection;
node.classed("selected", function(d) {
return d.selected = d.previouslySelected ^
(extent[0][0] <= d.x && d.x < extent[1][0]
&& extent[0][1] <= d.y && d.y < extent[1][1]);
});
}
function brushended() {
if (!d3v4.event.sourceEvent) return;
if (!d3v4.event.selection) return;
if (!gBrush) return;
gBrush.call(brush.move, null);
if (!brushMode) {
// the shift key has been release before we ended our brushing
gBrush.remove();
gBrush = null;
}
brushing = false;
}
d3v4.select('body').on('keydown', keydown);
d3v4.select('body').on('keyup', keyup);
var shiftKey;
function keydown() {
shiftKey = d3v4.event.shiftKey;
if (shiftKey) {
// if we already have a brush, don't do anything
if (gBrush)
return;
brushMode = true;
if (!gBrush) {
gBrush = gBrushHolder.append('g');
gBrush.call(brush);
}
}
}
function keyup() {
shiftKey = false;
brushMode = false;
if (!gBrush)
return;
if (!brushing) {
// only remove the brush if we're not actively brushing
// otherwise it'll be removed when the brushing ends
gBrush.remove();
gBrush = null;
}
}
function dragstarted(d) {
if (!d3v4.event.active) simulation.alphaTarget(0.9).restart();
if (!d.selected && !shiftKey) {
// if this node isn't selected, then we have to unselect every other node
node.classed("selected", function(p) { return p.selected = p.previouslySelected = false; });
}
d3v4.select(this).classed("selected", function(p) { d.previouslySelected = d.selected; return d.selected = true; });
node.filter(function(d) { return d.selected; })
.each(function(d) { //d.fixed |= 2;
d.fx = d.x;
d.fy = d.y;
})
}
function dragged(d) {
//d.fx = d3v4.event.x;
//d.fy = d3v4.event.y;
node.filter(function(d) { return d.selected; })
.each(function(d) {
d.fx += d3v4.event.dx;
d.fy += d3v4.event.dy;
})
}
function dragended(d) {
if (!d3v4.event.active) simulation.alphaTarget(0);
d.fx = null;
d.fy = null;
node.filter(function(d) { return d.selected; })
.each(function(d) { //d.fixed &= ~6;
d.fx = null;
d.fy = null;
})
}
var texts = ['Use the scroll wheel to zoom',
'Hold the shift key to select nodes']
svg.selectAll('text')
.data(texts)
.enter()
.append('text')
.attr('x', 900)
.attr('y', function(d,i) { return 470 + i * 18; })
.text(function(d) { return d; });
return graph;
};
#d3_selectable_force_directed_graph svg {
border: 1px solid;
font: 13px sans-serif;
text-anchor: end;
}
#d3_selectable_force_directed_graph .node {
stroke: #fff;
stroke-width: 1.5px;
}
.node .selected {
stroke: black;
}
.link {
stroke: #999;
}
<!DOCTYPE html>
<head>
<meta charset="utf-8" />
</head>
<div align='center' id="d3_selectable_force_directed_graph" style="width: 960px; height: 500px; margin: auto; margin-bottom: 12px">
<svg />
</div>
<link rel='stylesheet' href='d3v4-selectable-zoomable-force-directed-graph.css'>
<script src="https://d3js.org/d3.v4.js"></script>
<script src="d3v4-brush-lite.js"></script>
<script src="d3v4-selectable-force-directed-graph.js"></script>
<script>
var svg = d3.select('#d3_selectable_force_directed_graph');
d3.json('miserables.with-ids.json', function(error, graph) {
if (!error) {
//console.log('graph', graph);
createV4SelectableForceDirectedGraph(svg, graph);
} else {
console.error(error);
}
});
</script>
{
"nodes": [
{"id": "Myriel", "group": 1},
{"id": "Napoleon", "group": 1},
{"id": "Mlle.Baptistine", "group": 1},
{"id": "Mme.Magloire", "group": 1},
{"id": "CountessdeLo", "group": 1},
{"id": "Geborand", "group": 1},
{"id": "Champtercier", "group": 1},
{"id": "Cravatte", "group": 1},
{"id": "Count", "group": 1},
{"id": "OldMan", "group": 1},
{"id": "Labarre", "group": 2},
{"id": "Valjean", "group": 2},
{"id": "Marguerite", "group": 3},
{"id": "Mme.deR", "group": 2},
{"id": "Isabeau", "group": 2},
{"id": "Gervais", "group": 2},
{"id": "Tholomyes", "group": 3},
{"id": "Listolier", "group": 3},
{"id": "Fameuil", "group": 3},
{"id": "Blacheville", "group": 3},
{"id": "Favourite", "group": 3},
{"id": "Dahlia", "group": 3},
{"id": "Zephine", "group": 3},
{"id": "Fantine", "group": 3},
{"id": "Mme.Thenardier", "group": 4},
{"id": "Thenardier", "group": 4},
{"id": "Cosette", "group": 5},
{"id": "Javert", "group": 4},
{"id": "Fauchelevent", "group": 0},
{"id": "Bamatabois", "group": 2},
{"id": "Perpetue", "group": 3},
{"id": "Simplice", "group": 2},
{"id": "Scaufflaire", "group": 2},
{"id": "Woman1", "group": 2},
{"id": "Judge", "group": 2},
{"id": "Champmathieu", "group": 2},
{"id": "Brevet", "group": 2},
{"id": "Chenildieu", "group": 2},
{"id": "Cochepaille", "group": 2},
{"id": "Pontmercy", "group": 4},
{"id": "Boulatruelle", "group": 6},
{"id": "Eponine", "group": 4},
{"id": "Anzelma", "group": 4},
{"id": "Woman2", "group": 5},
{"id": "MotherInnocent", "group": 0},
{"id": "Gribier", "group": 0},
{"id": "Jondrette", "group": 7},
{"id": "Mme.Burgon", "group": 7},
{"id": "Gavroche", "group": 8},
{"id": "Gillenormand", "group": 5},
{"id": "Magnon", "group": 5},
{"id": "Mlle.Gillenormand", "group": 5},
{"id": "Mme.Pontmercy", "group": 5},
{"id": "Mlle.Vaubois", "group": 5},
{"id": "Lt.Gillenormand", "group": 5},
{"id": "Marius", "group": 8},
{"id": "BaronessT", "group": 5},
{"id": "Mabeuf", "group": 8},
{"id": "Enjolras", "group": 8},
{"id": "Combeferre", "group": 8},
{"id": "Prouvaire", "group": 8},
{"id": "Feuilly", "group": 8},
{"id": "Courfeyrac", "group": 8},
{"id": "Bahorel", "group": 8},
{"id": "Bossuet", "group": 8},
{"id": "Joly", "group": 8},
{"id": "Grantaire", "group": 8},
{"id": "MotherPlutarch", "group": 9},
{"id": "Gueulemer", "group": 4},
{"id": "Babet", "group": 4},
{"id": "Claquesous", "group": 4},
{"id": "Montparnasse", "group": 4},
{"id": "Toussaint", "group": 5},
{"id": "Child1", "group": 10},
{"id": "Child2", "group": 10},
{"id": "Brujon", "group": 4},
{"id": "Mme.Hucheloup", "group": 8}
],
"links": [
{"source": "Napoleon", "target": "Myriel", "value": 1},
{"source": "Mlle.Baptistine", "target": "Myriel", "value": 8},
{"source": "Mme.Magloire", "target": "Myriel", "value": 10},
{"source": "Mme.Magloire", "target": "Mlle.Baptistine", "value": 6},
{"source": "CountessdeLo", "target": "Myriel", "value": 1},
{"source": "Geborand", "target": "Myriel", "value": 1},
{"source": "Champtercier", "target": "Myriel", "value": 1},
{"source": "Cravatte", "target": "Myriel", "value": 1},
{"source": "Count", "target": "Myriel", "value": 2},
{"source": "OldMan", "target": "Myriel", "value": 1},
{"source": "Valjean", "target": "Labarre", "value": 1},
{"source": "Valjean", "target": "Mme.Magloire", "value": 3},
{"source": "Valjean", "target": "Mlle.Baptistine", "value": 3},
{"source": "Valjean", "target": "Myriel", "value": 5},
{"source": "Marguerite", "target": "Valjean", "value": 1},
{"source": "Mme.deR", "target": "Valjean", "value": 1},
{"source": "Isabeau", "target": "Valjean", "value": 1},
{"source": "Gervais", "target": "Valjean", "value": 1},
{"source": "Listolier", "target": "Tholomyes", "value": 4},
{"source": "Fameuil", "target": "Tholomyes", "value": 4},
{"source": "Fameuil", "target": "Listolier", "value": 4},
{"source": "Blacheville", "target": "Tholomyes", "value": 4},
{"source": "Blacheville", "target": "Listolier", "value": 4},
{"source": "Blacheville", "target": "Fameuil", "value": 4},
{"source": "Favourite", "target": "Tholomyes", "value": 3},
{"source": "Favourite", "target": "Listolier", "value": 3},
{"source": "Favourite", "target": "Fameuil", "value": 3},
{"source": "Favourite", "target": "Blacheville", "value": 4},
{"source": "Dahlia", "target": "Tholomyes", "value": 3},
{"source": "Dahlia", "target": "Listolier", "value": 3},
{"source": "Dahlia", "target": "Fameuil", "value": 3},
{"source": "Dahlia", "target": "Blacheville", "value": 3},
{"source": "Dahlia", "target": "Favourite", "value": 5},
{"source": "Zephine", "target": "Tholomyes", "value": 3},
{"source": "Zephine", "target": "Listolier", "value": 3},
{"source": "Zephine", "target": "Fameuil", "value": 3},
{"source": "Zephine", "target": "Blacheville", "value": 3},
{"source": "Zephine", "target": "Favourite", "value": 4},
{"source": "Zephine", "target": "Dahlia", "value": 4},
{"source": "Fantine", "target": "Tholomyes", "value": 3},
{"source": "Fantine", "target": "Listolier", "value": 3},
{"source": "Fantine", "target": "Fameuil", "value": 3},
{"source": "Fantine", "target": "Blacheville", "value": 3},
{"source": "Fantine", "target": "Favourite", "value": 4},
{"source": "Fantine", "target": "Dahlia", "value": 4},
{"source": "Fantine", "target": "Zephine", "value": 4},
{"source": "Fantine", "target": "Marguerite", "value": 2},
{"source": "Fantine", "target": "Valjean", "value": 9},
{"source": "Mme.Thenardier", "target": "Fantine", "value": 2},
{"source": "Mme.Thenardier", "target": "Valjean", "value": 7},
{"source": "Thenardier", "target": "Mme.Thenardier", "value": 13},
{"source": "Thenardier", "target": "Fantine", "value": 1},
{"source": "Thenardier", "target": "Valjean", "value": 12},
{"source": "Cosette", "target": "Mme.Thenardier", "value": 4},
{"source": "Cosette", "target": "Valjean", "value": 31},
{"source": "Cosette", "target": "Tholomyes", "value": 1},
{"source": "Cosette", "target": "Thenardier", "value": 1},
{"source": "Javert", "target": "Valjean", "value": 17},
{"source": "Javert", "target": "Fantine", "value": 5},
{"source": "Javert", "target": "Thenardier", "value": 5},
{"source": "Javert", "target": "Mme.Thenardier", "value": 1},
{"source": "Javert", "target": "Cosette", "value": 1},
{"source": "Fauchelevent", "target": "Valjean", "value": 8},
{"source": "Fauchelevent", "target": "Javert", "value": 1},
{"source": "Bamatabois", "target": "Fantine", "value": 1},
{"source": "Bamatabois", "target": "Javert", "value": 1},
{"source": "Bamatabois", "target": "Valjean", "value": 2},
{"source": "Perpetue", "target": "Fantine", "value": 1},
{"source": "Simplice", "target": "Perpetue", "value": 2},
{"source": "Simplice", "target": "Valjean", "value": 3},
{"source": "Simplice", "target": "Fantine", "value": 2},
{"source": "Simplice", "target": "Javert", "value": 1},
{"source": "Scaufflaire", "target": "Valjean", "value": 1},
{"source": "Woman1", "target": "Valjean", "value": 2},
{"source": "Woman1", "target": "Javert", "value": 1},
{"source": "Judge", "target": "Valjean", "value": 3},
{"source": "Judge", "target": "Bamatabois", "value": 2},
{"source": "Champmathieu", "target": "Valjean", "value": 3},
{"source": "Champmathieu", "target": "Judge", "value": 3},
{"source": "Champmathieu", "target": "Bamatabois", "value": 2},
{"source": "Brevet", "target": "Judge", "value": 2},
{"source": "Brevet", "target": "Champmathieu", "value": 2},
{"source": "Brevet", "target": "Valjean", "value": 2},
{"source": "Brevet", "target": "Bamatabois", "value": 1},
{"source": "Chenildieu", "target": "Judge", "value": 2},
{"source": "Chenildieu", "target": "Champmathieu", "value": 2},
{"source": "Chenildieu", "target": "Brevet", "value": 2},
{"source": "Chenildieu", "target": "Valjean", "value": 2},
{"source": "Chenildieu", "target": "Bamatabois", "value": 1},
{"source": "Cochepaille", "target": "Judge", "value": 2},
{"source": "Cochepaille", "target": "Champmathieu", "value": 2},
{"source": "Cochepaille", "target": "Brevet", "value": 2},
{"source": "Cochepaille", "target": "Chenildieu", "value": 2},
{"source": "Cochepaille", "target": "Valjean", "value": 2},
{"source": "Cochepaille", "target": "Bamatabois", "value": 1},
{"source": "Pontmercy", "target": "Thenardier", "value": 1},
{"source": "Boulatruelle", "target": "Thenardier", "value": 1},
{"source": "Eponine", "target": "Mme.Thenardier", "value": 2},
{"source": "Eponine", "target": "Thenardier", "value": 3},
{"source": "Anzelma", "target": "Eponine", "value": 2},
{"source": "Anzelma", "target": "Thenardier", "value": 2},
{"source": "Anzelma", "target": "Mme.Thenardier", "value": 1},
{"source": "Woman2", "target": "Valjean", "value": 3},
{"source": "Woman2", "target": "Cosette", "value": 1},
{"source": "Woman2", "target": "Javert", "value": 1},
{"source": "MotherInnocent", "target": "Fauchelevent", "value": 3},
{"source": "MotherInnocent", "target": "Valjean", "value": 1},
{"source": "Gribier", "target": "Fauchelevent", "value": 2},
{"source": "Mme.Burgon", "target": "Jondrette", "value": 1},
{"source": "Gavroche", "target": "Mme.Burgon", "value": 2},
{"source": "Gavroche", "target": "Thenardier", "value": 1},
{"source": "Gavroche", "target": "Javert", "value": 1},
{"source": "Gavroche", "target": "Valjean", "value": 1},
{"source": "Gillenormand", "target": "Cosette", "value": 3},
{"source": "Gillenormand", "target": "Valjean", "value": 2},
{"source": "Magnon", "target": "Gillenormand", "value": 1},
{"source": "Magnon", "target": "Mme.Thenardier", "value": 1},
{"source": "Mlle.Gillenormand", "target": "Gillenormand", "value": 9},
{"source": "Mlle.Gillenormand", "target": "Cosette", "value": 2},
{"source": "Mlle.Gillenormand", "target": "Valjean", "value": 2},
{"source": "Mme.Pontmercy", "target": "Mlle.Gillenormand", "value": 1},
{"source": "Mme.Pontmercy", "target": "Pontmercy", "value": 1},
{"source": "Mlle.Vaubois", "target": "Mlle.Gillenormand", "value": 1},
{"source": "Lt.Gillenormand", "target": "Mlle.Gillenormand", "value": 2},
{"source": "Lt.Gillenormand", "target": "Gillenormand", "value": 1},
{"source": "Lt.Gillenormand", "target": "Cosette", "value": 1},
{"source": "Marius", "target": "Mlle.Gillenormand", "value": 6},
{"source": "Marius", "target": "Gillenormand", "value": 12},
{"source": "Marius", "target": "Pontmercy", "value": 1},
{"source": "Marius", "target": "Lt.Gillenormand", "value": 1},
{"source": "Marius", "target": "Cosette", "value": 21},
{"source": "Marius", "target": "Valjean", "value": 19},
{"source": "Marius", "target": "Tholomyes", "value": 1},
{"source": "Marius", "target": "Thenardier", "value": 2},
{"source": "Marius", "target": "Eponine", "value": 5},
{"source": "Marius", "target": "Gavroche", "value": 4},
{"source": "BaronessT", "target": "Gillenormand", "value": 1},
{"source": "BaronessT", "target": "Marius", "value": 1},
{"source": "Mabeuf", "target": "Marius", "value": 1},
{"source": "Mabeuf", "target": "Eponine", "value": 1},
{"source": "Mabeuf", "target": "Gavroche", "value": 1},
{"source": "Enjolras", "target": "Marius", "value": 7},
{"source": "Enjolras", "target": "Gavroche", "value": 7},
{"source": "Enjolras", "target": "Javert", "value": 6},
{"source": "Enjolras", "target": "Mabeuf", "value": 1},
{"source": "Enjolras", "target": "Valjean", "value": 4},
{"source": "Combeferre", "target": "Enjolras", "value": 15},
{"source": "Combeferre", "target": "Marius", "value": 5},
{"source": "Combeferre", "target": "Gavroche", "value": 6},
{"source": "Combeferre", "target": "Mabeuf", "value": 2},
{"source": "Prouvaire", "target": "Gavroche", "value": 1},
{"source": "Prouvaire", "target": "Enjolras", "value": 4},
{"source": "Prouvaire", "target": "Combeferre", "value": 2},
{"source": "Feuilly", "target": "Gavroche", "value": 2},
{"source": "Feuilly", "target": "Enjolras", "value": 6},
{"source": "Feuilly", "target": "Prouvaire", "value": 2},
{"source": "Feuilly", "target": "Combeferre", "value": 5},
{"source": "Feuilly", "target": "Mabeuf", "value": 1},
{"source": "Feuilly", "target": "Marius", "value": 1},
{"source": "Courfeyrac", "target": "Marius", "value": 9},
{"source": "Courfeyrac", "target": "Enjolras", "value": 17},
{"source": "Courfeyrac", "target": "Combeferre", "value": 13},
{"source": "Courfeyrac", "target": "Gavroche", "value": 7},
{"source": "Courfeyrac", "target": "Mabeuf", "value": 2},
{"source": "Courfeyrac", "target": "Eponine", "value": 1},
{"source": "Courfeyrac", "target": "Feuilly", "value": 6},
{"source": "Courfeyrac", "target": "Prouvaire", "value": 3},
{"source": "Bahorel", "target": "Combeferre", "value": 5},
{"source": "Bahorel", "target": "Gavroche", "value": 5},
{"source": "Bahorel", "target": "Courfeyrac", "value": 6},
{"source": "Bahorel", "target": "Mabeuf", "value": 2},
{"source": "Bahorel", "target": "Enjolras", "value": 4},
{"source": "Bahorel", "target": "Feuilly", "value": 3},
{"source": "Bahorel", "target": "Prouvaire", "value": 2},
{"source": "Bahorel", "target": "Marius", "value": 1},
{"source": "Bossuet", "target": "Marius", "value": 5},
{"source": "Bossuet", "target": "Courfeyrac", "value": 12},
{"source": "Bossuet", "target": "Gavroche", "value": 5},
{"source": "Bossuet", "target": "Bahorel", "value": 4},
{"source": "Bossuet", "target": "Enjolras", "value": 10},
{"source": "Bossuet", "target": "Feuilly", "value": 6},
{"source": "Bossuet", "target": "Prouvaire", "value": 2},
{"source": "Bossuet", "target": "Combeferre", "value": 9},
{"source": "Bossuet", "target": "Mabeuf", "value": 1},
{"source": "Bossuet", "target": "Valjean", "value": 1},
{"source": "Joly", "target": "Bahorel", "value": 5},
{"source": "Joly", "target": "Bossuet", "value": 7},
{"source": "Joly", "target": "Gavroche", "value": 3},
{"source": "Joly", "target": "Courfeyrac", "value": 5},
{"source": "Joly", "target": "Enjolras", "value": 5},
{"source": "Joly", "target": "Feuilly", "value": 5},
{"source": "Joly", "target": "Prouvaire", "value": 2},
{"source": "Joly", "target": "Combeferre", "value": 5},
{"source": "Joly", "target": "Mabeuf", "value": 1},
{"source": "Joly", "target": "Marius", "value": 2},
{"source": "Grantaire", "target": "Bossuet", "value": 3},
{"source": "Grantaire", "target": "Enjolras", "value": 3},
{"source": "Grantaire", "target": "Combeferre", "value": 1},
{"source": "Grantaire", "target": "Courfeyrac", "value": 2},
{"source": "Grantaire", "target": "Joly", "value": 2},
{"source": "Grantaire", "target": "Gavroche", "value": 1},
{"source": "Grantaire", "target": "Bahorel", "value": 1},
{"source": "Grantaire", "target": "Feuilly", "value": 1},
{"source": "Grantaire", "target": "Prouvaire", "value": 1},
{"source": "MotherPlutarch", "target": "Mabeuf", "value": 3},
{"source": "Gueulemer", "target": "Thenardier", "value": 5},
{"source": "Gueulemer", "target": "Valjean", "value": 1},
{"source": "Gueulemer", "target": "Mme.Thenardier", "value": 1},
{"source": "Gueulemer", "target": "Javert", "value": 1},
{"source": "Gueulemer", "target": "Gavroche", "value": 1},
{"source": "Gueulemer", "target": "Eponine", "value": 1},
{"source": "Babet", "target": "Thenardier", "value": 6},
{"source": "Babet", "target": "Gueulemer", "value": 6},
{"source": "Babet", "target": "Valjean", "value": 1},
{"source": "Babet", "target": "Mme.Thenardier", "value": 1},
{"source": "Babet", "target": "Javert", "value": 2},
{"source": "Babet", "target": "Gavroche", "value": 1},
{"source": "Babet", "target": "Eponine", "value": 1},
{"source": "Claquesous", "target": "Thenardier", "value": 4},
{"source": "Claquesous", "target": "Babet", "value": 4},
{"source": "Claquesous", "target": "Gueulemer", "value": 4},
{"source": "Claquesous", "target": "Valjean", "value": 1},
{"source": "Claquesous", "target": "Mme.Thenardier", "value": 1},
{"source": "Claquesous", "target": "Javert", "value": 1},
{"source": "Claquesous", "target": "Eponine", "value": 1},
{"source": "Claquesous", "target": "Enjolras", "value": 1},
{"source": "Montparnasse", "target": "Javert", "value": 1},
{"source": "Montparnasse", "target": "Babet", "value": 2},
{"source": "Montparnasse", "target": "Gueulemer", "value": 2},
{"source": "Montparnasse", "target": "Claquesous", "value": 2},
{"source": "Montparnasse", "target": "Valjean", "value": 1},
{"source": "Montparnasse", "target": "Gavroche", "value": 1},
{"source": "Montparnasse", "target": "Eponine", "value": 1},
{"source": "Montparnasse", "target": "Thenardier", "value": 1},
{"source": "Toussaint", "target": "Cosette", "value": 2},
{"source": "Toussaint", "target": "Javert", "value": 1},
{"source": "Toussaint", "target": "Valjean", "value": 1},
{"source": "Child1", "target": "Gavroche", "value": 2},
{"source": "Child2", "target": "Gavroche", "value": 2},
{"source": "Child2", "target": "Child1", "value": 3},
{"source": "Brujon", "target": "Babet", "value": 3},
{"source": "Brujon", "target": "Gueulemer", "value": 3},
{"source": "Brujon", "target": "Thenardier", "value": 3},
{"source": "Brujon", "target": "Gavroche", "value": 1},
{"source": "Brujon", "target": "Eponine", "value": 1},
{"source": "Brujon", "target": "Claquesous", "value": 1},
{"source": "Brujon", "target": "Montparnasse", "value": 1},
{"source": "Mme.Hucheloup", "target": "Bossuet", "value": 1},
{"source": "Mme.Hucheloup", "target": "Joly", "value": 1},
{"source": "Mme.Hucheloup", "target": "Grantaire", "value": 1},
{"source": "Mme.Hucheloup", "target": "Bahorel", "value": 1},
{"source": "Mme.Hucheloup", "target": "Courfeyrac", "value": 1},
{"source": "Mme.Hucheloup", "target": "Gavroche", "value": 1},
{"source": "Mme.Hucheloup", "target": "Enjolras", "value": 1}
]
}
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