valcri-entity-graph

.gitignore

# Compiled source #
###################
*.com
*.class
*.dll
*.exe
*.o
*.so

# Packages #
############
# it's better to unpack these files and commit the raw source
# git has its own built in compression methods
*.7z
*.dmg
*.gz
*.iso
*.jar
*.rar
*.tar
*.zip

# Logs and databases #
######################
*.log
*.sql
*.sqlite

# OS generated files #
######################
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
ehthumbs.db
Thumbs.db

README.md

Description

=======

Reusable Chart component for D3 - Using factories

avatar.js

function avatar() {
}

avatar.draw = function() {
	var args = Array.prototype.slice.call(arguments)
	var fontWeight = 'bold', textColour = '#ffffff';
	// TODO: CHECK RETURNS FALSE, WHY?
	// if (args[args.length - 1] instanceof SVGElement)
	var target = args.pop()
	var mark = args.pop()
	var radius = args.pop()
	var id = args.pop()
	var charCode = args.pop()
	var secColour = args.pop()
	var primColour = args.pop()

	var text = document.createElementNS("http://www.w3.org/2000/svg", "text");
	text.setAttribute('class', 'avatar--text__main');
	text.setAttributeNS(null, "fill", textColour);
	text.setAttributeNS(null, "pointer-events", "auto");
	text.setAttributeNS(null, "id", id);
	text.setAttributeNS(null, "dy", '0.35em');
	text.setAttributeNS(null, "text-anchor", "middle");
	text.setAttributeNS(null, "font-weight", fontWeight);
	text.setAttributeNS(null, "font-size", radius - 2);

	text.innerHTML = charCode;

	var circle = document.createElementNS("http://www.w3.org/2000/svg",
	"circle");
	var inner;

	if (mark) {
		circle.setAttribute('class', 'avatar--circle__mark-stroke');
		circle.setAttributeNS(null, "stroke", secColour);
		circle.setAttributeNS(null, "r", radius - 1);
		circle.setAttributeNS(null, "stroke-width", 2);
		circle.setAttributeNS(null, "fill", "none");

		inner = document.createElementNS("http://www.w3.org/2000/svg",
		"circle");
		inner.setAttribute('class', 'avatar--circle__mark-main');
		inner.setAttributeNS(null, "r", radius - 3);
		inner.setAttributeNS(null, "stroke", "none");
		inner.setAttributeNS(null, "fill", primColour);
		inner.setAttributeNS(null, "id", id);
		if(target != null) target.appendChild(inner);
	} else {
		circle.setAttribute('class', 'avatar--circle__mark-main');
		circle.setAttributeNS(null, "r", radius);
		circle.setAttributeNS(null, "stroke", "none");
		circle.setAttributeNS(null, "fill", primColour);
	}

	circle.setAttributeNS(null, "id", id);

	if(target != null) {
		target.appendChild(circle);
		target.appendChild(text);
		return;
	}

	var a = new Array(circle, text);
	if(inner != null) a.unshift(inner);
	return a;
};

d3v4-brush-lite.js

(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 });

})));

data.json

{
  "defs": {
    "nominal": {
      "color1": "#8DA0CB",
      "color2": "#FC8D62",
      "label": "N"
    },
    "crime": {
      "color1": "#66C2A5",
      "color2": "#FC8D62",
      "label": "CR"
    },
    "location": {
      "color1": "#D870AD",
      "color2": "#D870AD",
      "label": "L"
    }
  },
  "nodes": [
    {
      "id": "http://ns.valcri.org/data/crimes#crime138640301",
      "label": "138640301",
      "type": "crime"
    },
    {
      "hasTown": "CARSINGTON",
      "hasStreet": "PEARN ROAD",
      "id": "http://ns.valcri.org/data/locations#-1_8130219_52_46728",
      "label": "http://ns.valcri.org/data/locations#-1_8130219_52_46728",
      "type": "location",
      "long": 52.467281341552734,
      "lat": -1.8130218982696533
    },
    {
      "id": "http://ns.valcri.org/data/crimes#crime162033325",
      "hasLocation": "http://ns.valcri.org/data/locations#-1_8130219_52_46728",
      "label": "162033325",
      "type": "crime"
    },
    {
      "victimOf": "http://ns.valcri.org/data/crimes#crime162033325",
      "id": "http://ns.valcri.org/data/nominals#nominal9084944P",
      "label": "9084944P",
      "hasHome": "http://ns.valcri.org/data/locations#-1_8130219_52_46728",
      "type": "nominal"
    }
  ],
  "links": [
    {
      "sourceType": "crime",
      "sourceLabel": "162033325",
      "targetLabel": "http://ns.valcri.org/data/locations#-1_8130219_52_46728",
      "targetType": "location",
      "id": "link0",
      "source": "http://ns.valcri.org/data/crimes#crime162033325",
      "target": "http://ns.valcri.org/data/locations#-1_8130219_52_46728"
    },
    {
      "sourceType": "nominal",
      "sourceLabel": "9084944P",
      "targetLabel": "138640301",
      "targetType": "crime",
      "id": "link1",
      "source": "http://ns.valcri.org/data/nominals#nominal9084944P",
      "target": "http://ns.valcri.org/data/crimes#crime138640301"
    },
    {
      "sourceType": "nominal",
      "sourceLabel": "9084944P",
      "targetLabel": "162033325",
      "targetType": "crime",
      "id": "link2",
      "source": "http://ns.valcri.org/data/nominals#nominal9084944P",
      "target": "http://ns.valcri.org/data/crimes#crime162033325"
    },
    {
      "sourceType": "nominal",
      "sourceLabel": "9084944P",
      "targetLabel": "http://ns.valcri.org/data/locations#-1_8130219_52_46728",
      "targetType": "location",
      "id": "link3",
      "source": "http://ns.valcri.org/data/nominals#nominal9084944P",
      "target": "http://ns.valcri.org/data/locations#-1_8130219_52_46728"
    }
  ]
}

data_add1.json

{
  "nodes": [
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime126467988",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal7860282G",
      "type": "nominal"
    },
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime124047883",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal82376756A",
      "type": "nominal"
    },
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime127780722",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal8456992G",
      "type": "nominal"
    },
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime144160853",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal87105490C",
      "type": "nominal"
    },
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime156633059",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal93487729Z",
      "type": "nominal"
    }
  ],
  "links": [
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime162033325",
      "target": "http://ns.valcri.org/data/crimes#crime126467988"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime126467988",
      "target": "http://ns.valcri.org/data/nominals#nominal7860282G"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime162033325",
      "target": "http://ns.valcri.org/data/crimes#crime124047883"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime124047883",
      "target": "http://ns.valcri.org/data/nominals#nominal82376756A"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime162033325",
      "target": "http://ns.valcri.org/data/crimes#crime127780722"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime127780722",
      "target": "http://ns.valcri.org/data/nominals#nominal8456992G"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime162033325",
      "target": "http://ns.valcri.org/data/crimes#crime144160853"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime144160853",
      "target": "http://ns.valcri.org/data/nominals#nominal87105490C"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime162033325",
      "target": "http://ns.valcri.org/data/crimes#crime156633059"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime156633059",
      "target": "http://ns.valcri.org/data/nominals#nominal93487729Z"
    }
  ]
}

data_add2.json

{
  "nodes": [
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime164040649",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal51121931R",
      "type": "nominal"
    },
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime164042156",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal86695964J",
      "type": "nominal"
    },
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime164043663",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal5023564K",
      "type": "nominal"
    },
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime164056952",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal621260409Y",
      "type": "nominal"
    },
    {
      "isSolved": true,
      "id": "http://ns.valcri.org/data/crimes#crime164061610",
      "type": "crime"
    },
    {
      "id": "http://ns.valcri.org/data/nominals#nominal22538418L",
      "type": "nominal"
    }
  ],
  "links": [
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime138640301",
      "target": "http://ns.valcri.org/data/crimes#crime164040649"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime164040649",
      "target": "http://ns.valcri.org/data/nominals#nominal51121931R"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime138640301",
      "target": "http://ns.valcri.org/data/crimes#crime164042156"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime164042156",
      "target": "http://ns.valcri.org/data/nominals#nominal86695964J"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime138640301",
      "target": "http://ns.valcri.org/data/crimes#crime164043663"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime164043663",
      "target": "http://ns.valcri.org/data/nominals#nominal5023564K"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime138640301",
      "target": "http://ns.valcri.org/data/crimes#crime164056952"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime164056952",
      "target": "http://ns.valcri.org/data/nominals#nominal621260409Y"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "crime",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime138640301",
      "target": "http://ns.valcri.org/data/crimes#crime164061610"
    },
    {
      "sourceType": "crime",
      "link": "similarity",
      "targetType": "nominal",
      "id": "link",
      "source": "http://ns.valcri.org/data/crimes#crime164061610",
      "target": "http://ns.valcri.org/data/nominals#nominal22538418L"
    }
  ]
}

graph.css

#vis {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  overflow-x: hidden;
  overflow-y: hidden;
}

.node .selected {
  stroke: black;
}

graph.js

(function() {

  // ***************************************************
  // Globals
  // ***************************************************
  var gBrushHolder;
  var gBrush = null;
  var gDraw = null;
  var brushMode = false;
  var brushing = false;
  var shiftKey;
  var node, link, n, l;
  var brush = null;
  var d3;
  // ***************************************************
  // Defaults
  // ***************************************************
  /**
  * Define default variables here. Those are combined within
  * the incoming user options which would overwrite the
  * defaults.
  **/
  var defaults = {
    data: {},
    datalev2: {},
    custnodedraw: null,
    custlinkdraw: null
  };

  /**
  * Static initialisation
  **/
  window.EntityGraph = {
    instanceOf : function (d3version, options) {
      // Publish instance
      return new EntityGraph(d3version, options);
    }
  };

  // ***************************************************
  // Define Chart class and methods
  // ***************************************************
  function EntityGraph(d3version, options) {
    d3 = d3version
    this.options = extend({}, defaults, options != null ? options : {});
    makeAccessor.call(this, this.options)
    this.render = drawSelection.bind(this);
  }

  /**
  * Define the D3 callback to render graph within the specified
  * selection DOMs
  */
  function drawSelection(selection) {
    brush = d3.brush()
      .on("start", brushstarted)
      .on("brush", brushed)
      .on("end", brushended);

    d3.select('body').on('keydown', keydown);
    d3.select('body').on('keyup', keyup);

    _this = this;

    selection.each(function() {

      //TODO allow overwrite of width height
      // Width/Height are sized to the selection's node size
      var width = parseInt(d3.select(this).node().getBoundingClientRect().width, 10);
      var height = parseInt(d3.select(this).node().getBoundingClientRect().height, 10);

      // Retrieve local variables from class variables
      var data = _this.data();

      // Create base svg and add the data
      var svg = d3.select(this).selectAll("svg").data([ data ]);
      var gEnter = svg.enter().append('div').classed(
        'svg-container', true).append('svg')
        .attr("width", width)
        .attr("height", height)

        // Remove any previous graphs
        gEnter.selectAll('.g-main').remove();

        // Add our full zoomable graph group
        var gMain = gEnter.append('g')
        .classed('g-main', true);
        var zoom = d3.zoom().on('zoom', zoomed)
        gMain.call(zoom);

        // Background, catches clicks to reset node selection
        var rect = gMain.append('rect')
        .attr('width', width)
        .attr('height', height)
        .style('fill', 'white')
        .on('click', () => {

          node.selectAll('.node-el').each(function(d) {

            this.selected = false;
            this.previouslySelected = false;
          });
          node.selectAll('.node-el').classed("selected", false);
        });

        // Container to draw our graph in
        gDraw = gMain.append('g').attr("class", "drawContainer");

        // Brush container
        // The brush needs to go before the nodes so that it doesn't
        // get called when the mouse is over a node
        gBrushHolder = gDraw.append('g').attr("class", "brushHolder");
        gBrush = null;

        // Simulation forces
        simulation = d3.forceSimulation()
        .force("link", d3.forceLink()
        .id(function(d) { return d.id; })
        .distance(function(d) {
          return 10;
        })
      )
      .force("charge", d3.forceManyBody().strength(-120))
      .force("center", d3.forceCenter(width / 2, height / 2))
      .force("x", d3.forceX(width/2))
      .force("y", d3.forceY(height/2));

      _this.update(this);

      // ***************************************************
      // Update methods
      // Reacting automatically once the corresponding variable is set
      // ***************************************************
      _this.updateData = function() {
        update();
      };

      _this.updateDatalev2 = function() {
        _this.updateDataLevel2(this);
      };
    });
  }

  EntityGraph.prototype.updateDataLevel2 = function(selection)
  {
    _this = this;

    var dataLev2 = _this.datalev2();
    var data = _this.data();

    // data.nodes = data.nodes.filter(function(n) {
    //   return n.level !== "level2"
    // });
    // data.links = data.links.filter(function(l) {
    //   return l.level !== "level2"
    // });

    var i;
    for (i = 0; i < dataLev2.nodes.length; i++) {
      data.nodes.push(dataLev2.nodes[i]);
    }

    for (i = 0; i < dataLev2.links.length; i++) {
      data.links.push(dataLev2.links[i]);
    }

    _this.update(selection);

    simulation.alpha(1).restart();
  }

  /**
  * Draw the initial and update the existing graph with the full
  * current data set
  */
  EntityGraph.prototype.update = function(selection)
  {
    _this = this;

    // Retrieve local variables from class variables
    var data = _this.data();
    var custnodedraw = _this.custnodedraw();
    var custlinkdraw = _this.custlinkdraw();

    // Update data
    l = gDraw.selectAll(".link")
      .data(data.links, function(d) {return d.source + "," + d.target});
    n = gDraw.selectAll(".node").data(data.nodes, function(d) {return d.id})

    // Apply general update pattern
    exitLinks(l);
    enterLinks(l, custlinkdraw);
    exitNodes(n);
    enterNodes(n, custnodedraw);

    // Refernce to node and link selections
    link = gDraw.selectAll(".link");
    node = gDraw.selectAll(".node");

    // Feed simulation with current data
    simulation
    .nodes(data.nodes)
    .on("tick", ticked);

    simulation.force("link")
    .links(data.links);
  }

  /**
  * Defines how new nodes are drawn
  */
  function enterNodes(n, drawCallback) {
    n = n.enter().append("g")
    .attr("class", function(d){return "node"})
    .call(d3.drag()
    .on("start", dragstarted)
    .on("drag", dragged)
    .on("end", dragended));

    n.each(function (d) {
      if(drawCallback) {
        drawCallback(this, d);
      }
      else {
        d3.select(this).append("circle")
        .attr("cx", 0)
        .attr("cy", 0)
        .attr("r", function(d) {return 10})
        .classed("node-el", true);
      }
    });

    n.selectAll('.avatar--circle__mark-main').classed("node-el", true);
  }

  /**
  * Defines how new links are drawn
  */
  function enterLinks(l, drawCallback) {
    l = l.enter()

    l.each(function(d) {
      if(drawCallback) {
        drawCallback(this, d);
      }
      else {
      d3.select(this).insert("line", ".node")
        .attr("class", "link")
        .attr("stroke", function(d) { return d.color || '#999'; })
        .attr("stroke-width", function(d) { return Math.sqrt(d.value); });
      }
    });
  }

  /**
  * Removes nodes that have been removed using update id
  */
  function exitNodes(n) {
    n.exit().remove();
  }

  /**
  * Removes links that have been removed using update id
  */
  function exitLinks(l) {
    l.exit().remove();
  }

  /**
  * On zoom
  */
  function zoomed() {
    gDraw.attr("transform", d3.event.transform);
  }

  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.selectAll('.node-el').each(function(d) {
      this.previouslySelected = shiftKey && this.selected;
    });
  }

  function brushed() {
    if (!d3.event.sourceEvent) return;
    if (!d3.event.selection) return;

    var extent = d3.event.selection;

    node.each(function(d){
      d3.select(this).select('.node-el').classed("selected", function(){
        return this.selected = this.previouslySelected ^
        (extent[0][0] <= d.x && d.x < extent[1][0]
          && extent[0][1] <= d.y && d.y < extent[1][1]);
        });

      });
    }

    function brushended() {
      if (!d3.event.sourceEvent) return;
      if (!d3.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;
    }

    function keydown() {
      shiftKey = d3.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 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("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
    }

    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 (!d3.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.selectAll('.node-el').classed("selected", function(p) { return this.selected =  this.previouslySelected = false; });
      }

      d3.select(this).select('.node-el').classed("selected", function(p) { this.previouslySelected = this.selected; return d.selected = true; });

      node.filter(function(d) { return d3.select(this).select('.node-el').classed('selected'); })
      .each(function(d) {
        d.fx = d.x;
        d.fy = d.y;
      })

    }

    function dragged(d) {
      node.filter(function(d) { return d3.select(this).select('.node-el').classed('selected'); })
      .each(function(d) {
        d.fx += d3.event.dx;
        d.fy += d3.event.dy;
      })
    }

    function dragended(d) {
      if (!d3.event.active) simulation.alphaTarget(0);
      d.fx = null;
      d.fy = null;
      node.filter(function(d) { return d3.select(this).select('.node-el').classed('selected'); })
      .each(function(d) {
        d.fx = null;
        d.fy = null;
      })
    }

    // ***************************************************
    // Utility methods
    // ***************************************************

    function makeAccessor(properties) {
      var _this = this;

      for (var i in properties) {
        (function (i) {
          _this[i] = function (value) {
            if(value === null || value === undefined)
            {
              return properties[i];
            }
            properties[i] = value;
            updateFunc = ("update" + i.toCamelCase());
            if (typeof _this[updateFunc] === 'function') _this[updateFunc]();
            return _this;
          }
        })(i);
      }
    }

    String.prototype.toCamelCase = function() {
      return this.charAt(0).toUpperCase() + this.slice(1);
    }

    function extend() {
      for (var i = 1; i < arguments.length; i++) {
        for (var prop in arguments[i]) {
          if (arguments[i].hasOwnProperty(prop)) {
            arguments[0][prop] = arguments[i][prop];
          }
        }
      }
      return arguments[0];
    }

  })();

index.html

<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>Entity Graph</title>
  <meta name="description" content="Entity Graph">
  <meta name="author" content="Patrick Seidler">
  <meta name="viewport" content="width=device-width,initial-scale=1">
  <link rel="stylesheet" href="reset.css">
  <link rel="stylesheet" href="graph.css">

  <script type="text/javascript">
  window.onload = function() {
    var chart;
    var defs;
    var avatars = {};
    var id = "162033325";

    var custNodeDrawCallback = function(selection, d)
    {
      var def = defs[d.type]

      if(d.label == id) {
        var mark = d.type == 'crime' && !d.isSolved
        avatar.draw(def.color1, def.color2, def.label, d.id, 20, mark, selection);
        return;
      }
      else if(!avatars.hasOwnProperty(d.type + d.isSolved))
      {
        var mark = d.type == 'crime' && !d.isSolved
        avatars[d.type + d.isSolved] = avatar.draw(def.color1, def.color2, def.label, d.id, 10, mark, null);
      }

      var a = avatars[d.type + d.isSolved]
      var i;
      for(i = 0; i < a.length; i++) {
        var savedAvatar = a[i].cloneNode(true)
        savedAvatar.setAttributeNS(null, "id", d.id);
        selection.appendChild(savedAvatar);
      }
    }

    var custLinkDrawCallback = function(selection, d)
    {
      var line = d3.select(selection).insert("line", ".node");
      line.attr("class", "link")
      .attr("stroke", function(d) { return d.color || '#999'; })
      .attr("stroke-width", function(d) { return Math.sqrt(d.value); });

      if(d.link == 'similarity')
      line.attr("stroke-dasharray", "5 5");
    }

    function display(data) {
      defs = data.defs;
      chart = EntityGraph
      .instanceOf(d3)
      .data(data)
      .custnodedraw(custNodeDrawCallback)
      .custlinkdraw(custLinkDrawCallback);

      //Or like this
      //var graph = Chart.instanceOf( { width : 500 } );
      var svg = d3.select("#vis")
      .call(chart.render);
    }

    d3.timeout(function() {
      d3.json('data_add1.json', chart.datalev2);
      d3.json('data_add2.json', chart.datalev2);
    }, 3000);

    d3.json('data.json', display);
  };

  </script>
</head>
<body>
  <div class="container">
    <div id="vis"></div>

    <div class="footer">
    </div>
  </div>

  <script src="https://d3js.org/d3.v4.min.js"></script>
  <script src="d3v4-brush-lite.js"></script>
  <script src="avatar.js"></script>
  <script src="graph.js"></script>
</body>
</html>

reset.css

/* HTML5 ✰ Boilerplate
 * ==|== normalize ==========================================================
 */

article, aside, details, figcaption, figure, footer, header, hgroup, nav, section { display: block; }
audio, canvas, video { display: inline-block; *display: inline; *zoom: 1; }
audio:not([controls]) { display: none; }
[hidden] { display: none; }

html { font-size: 100%; overflow-y: scroll; -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; }
body { margin: 0; font-size: 13px; line-height: 1.231; }
body, button, input, select, textarea { font-family: sans-serif; color: #222; }

::-moz-selection { background: #fe57a1; color: #fff; text-shadow: none; }
::selection { background: #fe57a1; color: #fff; text-shadow: none; }

a { color: #00e; }
a:visited { color: #551a8b; }
a:hover { color: #06e; }
a:focus { outline: thin dotted; }
a:hover, a:active { outline: 0; }

abbr[title] { border-bottom: 1px dotted; }
b, strong { font-weight: bold; }
blockquote { margin: 1em 40px; }
dfn { font-style: italic; }
hr { display: block; height: 1px; border: 0; border-top: 1px solid #ccc; margin: 1em 0; padding: 0; }
ins { background: #ff9; color: #000; text-decoration: none; }
mark { background: #ff0; color: #000; font-style: italic; font-weight: bold; }
pre, code, kbd, samp { font-family: monospace, monospace; _font-family: 'courier new', monospace; font-size: 1em; }
pre { white-space: pre; white-space: pre-wrap; word-wrap: break-word; }
q { quotes: none; }
q:before, q:after { content: ""; content: none; }
small { font-size: 85%; }
sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; }
sup { top: -0.5em; }
sub { bottom: -0.25em; }
ul, ol { margin: 1em 0; padding: 0 0 0 40px; }
dd { margin: 0 0 0 40px; }
nav ul, nav ol { list-style: none; list-style-image: none; margin: 0; padding: 0; }
img { border: 0; -ms-interpolation-mode: bicubic; vertical-align: middle; }
svg:not(:root) { overflow: hidden; }
figure { margin: 0; }

form { margin: 0; }
fieldset { border: 0; margin: 0; padding: 0; }
label { cursor: pointer; }
legend { border: 0; *margin-left: -7px; padding: 0; }
button, input, select, textarea { font-size: 100%; margin: 0; vertical-align: baseline; *vertical-align: middle; }
button, input { line-height: normal; *overflow: visible; }
table button, table input { *overflow: auto; }
button, input[type="button"], input[type="reset"], input[type="submit"] { cursor: pointer; -webkit-appearance: button; }
input[type="checkbox"], input[type="radio"] { box-sizing: border-box; }
input[type="search"] { -webkit-appearance: textfield; -moz-box-sizing: content-box; -webkit-box-sizing: content-box; box-sizing: content-box; }
input[type="search"]::-webkit-search-decoration { -webkit-appearance: none; }
button::-moz-focus-inner, input::-moz-focus-inner { border: 0; padding: 0; }
textarea { overflow: auto; vertical-align: top; resize: vertical; }
input:valid, textarea:valid {  }
input:invalid, textarea:invalid { background-color: #f0dddd; }

table { border-collapse: collapse; border-spacing: 0; }
td { vertical-align: top; }


/* ==|== primary styles =====================================================
   Author: 
   ========================================================================== */
















/* ==|== non-semantic helper classes ======================================== */
.ir { display: block; border: 0; text-indent: -999em; overflow: hidden; background-color: transparent; background-repeat: no-repeat; text-align: left; direction: ltr; }
.ir br { display: none; }
.hidden { display: none !important; visibility: hidden; }
.visuallyhidden { border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; }
.visuallyhidden.focusable:active, .visuallyhidden.focusable:focus { clip: auto; height: auto; margin: 0; overflow: visible; position: static; width: auto; }
.invisible { visibility: hidden; }
.clearfix:before, .clearfix:after { content: ""; display: table; }
.clearfix:after { clear: both; }
.clearfix { zoom: 1; }


/* ==|== media queries ====================================================== */

@media only screen and (min-width: 480px) {


}

@media only screen and (min-width: 768px) {

}



/* ==|== print styles ======================================================= */
 
@media print {
  * { background: transparent !important; color: black !important; text-shadow: none !important; filter:none !important; -ms-filter: none !important; } 
  a, a:visited { text-decoration: underline; }
  a[href]:after { content: " (" attr(href) ")"; }
  abbr[title]:after { content: " (" attr(title) ")"; }
  .ir a:after, a[href^="javascript:"]:after, a[href^="#"]:after { content: ""; } 
  pre, blockquote { border: 1px solid #999; page-break-inside: avoid; }
  thead { display: table-header-group; }
  tr, img { page-break-inside: avoid; }
  img { max-width: 100% !important; }
  @page { margin: 0.5cm; }
  p, h2, h3 { orphans: 3; widows: 3; }
  h2, h3 { page-break-after: avoid; }
}