GUIDE
- Left-click and drag the background to move the graph
- Left-click and drag the nodes to reorganize
- Left-click a node to view first level connections
- Double left-click a node to navigate to its page
- Double left-click the background to zoom in
- Right-click the background to zoom out
sigma.utils.pkg('sigma.canvas.nodes');
sigma.canvas.nodes.image = (function() {
var _cache = {},
_loading = {},
_callbacks = {};
// Return the renderer itself:
var renderer = function(node, context, settings) {
var args = arguments,
prefix = settings('prefix') || '',
size = node[prefix + 'size'],
color = node.color || settings('defaultNodeColor'),
url = node.url;
if (_cache[url]) {
context.save();
// Draw the clipping disc:
context.beginPath();
context.arc(
node[prefix + 'x'],
node[prefix + 'y'],
node[prefix + 'size'],
0,
Math.PI * 2,
true
);
context.closePath();
context.clip();
// Draw the image
context.drawImage(
_cache[url],
node[prefix + 'x'] - size,
node[prefix + 'y'] - size,
2 * size,
2 * size
);
// Quit the "clipping mode":
context.restore();
// Draw the border:
context.beginPath();
context.arc(
node[prefix + 'x'],
node[prefix + 'y'],
node[prefix + 'size'],
0,
Math.PI * 2,
true
);
context.lineWidth = 1;
context.strokeStyle = node.color || settings('defaultNodeColor');
context.stroke();
} else {
sigma.canvas.nodes.image.cache(url);
sigma.canvas.nodes.def.apply(
sigma.canvas.nodes,
args
);
}
};
// Let's add a public method to cache images, to make it possible to
// preload images before the initial rendering:
renderer.cache = function(url, callback) {
if (callback)
_callbacks[url] = callback;
if (_loading[url])
return;
var img = new Image();
img.onload = function() {
_loading[url] = false;
_cache[url] = img;
if (_callbacks[url]) {
_callbacks[url].call(this, img);
delete _callbacks[url];
}
};
_loading[url] = true;
img.src = url;
};
return renderer;
})();
var i,
s,
o,
offset_left = 0.5,
N = 1,
E = 40,
C = 5,
d = 0.5,
cs = [],
g = {
nodes: [],
edges: []
};
if (!sigma.classes.graph.hasMethod('neighbors')){
sigma.classes.graph.addMethod('neighbors', function(nodeId) {
var k,
neighbors = {},
index = this.allNeighborsIndex[nodeId] || {};
for (k in index)
neighbors[k] = this.nodesIndex[k];
return neighbors;
});
}
//adding the central node
g.nodes.push({
id: 8505,
label: 'Claire Denis',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/07/research.pasteur.fr_claire-150x150.jpeg',
x: 0,
y: 0,
size: 30,
color: '#DDDDDD'
});
var biggest_node_size = 0;
N=3
// adding node
var x_node = Math.cos(2 * 0 * Math.PI / N) * 10;
var y_node = Math.sin(2 * 0 * Math.PI / N) * 10;
g.nodes.push({
id: 172859,
label: 'NEWS: GG speaks Microbes at the Ecole Saint Lambert (Paris 15ème arr.) – 16/12/2021',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/news/gg-speaks-microbes-at-the-ecole-saint-lambert-paris-15eme-arr-16-12-2021/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 8505172859,
size: 0.5,
source: 8505,
target: 172859,
});
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 4533,
label: 'Céline Loot',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/09/research.pasteur.fr_img_21712-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/celine-loot/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1728594533,
size: 0.5,
source: 172859,
target: 4533 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 68493,
label: 'Isabelle Hoffmann',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2016/04/research.pasteur.fr_isabelle-hoffmann-150x150.png',
page_url: 'https://research.pasteur.fr/fr/member/hoffmann-isabelle/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 17285968493,
size: 0.5,
source: 172859,
target: 68493 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 149214,
label: 'Manon Lang',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2020/11/research_pasteur-manon-lang-g-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/manon-lang/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 172859149214,
size: 0.5,
source: 172859,
target: 149214 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 157672,
label: 'Olivier Cordin',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/olivier-cordin/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 172859157672,
size: 0.5,
source: 172859,
target: 157672 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 81431,
label: 'Etienne Kornobis',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2017/06/research_pasteur-ekornobis-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/etienne-kornobis/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 17285981431,
size: 0.5,
source: 172859,
target: 81431 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 145964,
label: 'Marie Bourdon',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2020/08/research_pasteur-marie-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/marie-bourdon/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 172859145964,
size: 0.5,
source: 172859,
target: 145964 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 8378,
label: 'David Viterbo',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/05/research_pasteur-david-viterbo-viterbo2-150x150.png',
page_url: 'https://research.pasteur.fr/fr/member/david-viterbo/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1728598378,
size: 0.5,
source: 172859,
target: 8378 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 8505) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 1728598505,
size: 0.5,
source: 172859,
target: 8505 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 144247,
label: 'Charles Coluzzi',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2020/07/research_pasteur-charles_coluzzi-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/charles-coluzzi/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 172859144247,
size: 0.5,
source: 172859,
target: 144247 });
// adding node
var x_node = Math.cos(2 * 1 * Math.PI / N) * 10;
var y_node = Math.sin(2 * 1 * Math.PI / N) * 10;
g.nodes.push({
id: 171609,
label: 'PROJECT: Stabilité du génome en quiescence',
x: x_node,
y: y_node,
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2021/12/research_pasteur-engenome-stability-in-quiescence-tools-to-study-quiescence-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/project/genome-stability-in-quiescence/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 8505171609,
size: 0.5,
source: 8505,
target: 171609,
});
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 3922,
label: 'Serge Gangloff',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/07/research.pasteur.fr_serge-150x150.jpeg',
page_url: 'https://research.pasteur.fr/fr/member/serge-gangloff/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1716093922,
size: 0.5,
source: 171609,
target: 3922 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 3921,
label: 'Stefania Francesconi',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/stefania-francesconi/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1716093921,
size: 0.5,
source: 171609,
target: 3921 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 8505) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 1716098505,
size: 0.5,
source: 171609,
target: 8505 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 3923,
label: 'Benoit Arcangioli',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/06/research.pasteur.fr_benoit-150x150.jpeg',
page_url: 'https://research.pasteur.fr/fr/member/benoit-arcangioli/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1716093923,
size: 0.5,
source: 171609,
target: 3923 });
// adding node
var x_node = Math.cos(2 * 2 * Math.PI / N) * 10;
var y_node = Math.sin(2 * 2 * Math.PI / N) * 10;
g.nodes.push({
id: 6158,
label: 'TEAM: Dynamique du Génome',
x: x_node,
y: y_node,
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/06/research.pasteur.fr_s-pombe-2_789-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/team/dynamics-of-the-genome/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 85056158,
size: 0.5,
source: 8505,
target: 6158,
});
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 8505) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 61588505,
size: 0.5,
source: 6158,
target: 8505 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 3927,
label: 'Catherine Schurra',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/07/research.pasteur.fr_schurra-150x150.jpeg',
page_url: 'https://research.pasteur.fr/fr/member/catherine-schurra/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 61583927,
size: 0.5,
source: 6158,
target: 3927 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 3921) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 61583921,
size: 0.5,
source: 6158,
target: 3921 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 3922) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 61583922,
size: 0.5,
source: 6158,
target: 3922 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 87542,
label: 'Christelle Lenormand',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2017/04/research.pasteur.fr_foto-christelle-150x150.png',
page_url: 'https://research.pasteur.fr/fr/member/christelle-lenormand/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 615887542,
size: 0.5,
source: 6158,
target: 87542 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 3925,
label: 'Balveer Singh',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/balveer-singh/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 61583925,
size: 0.5,
source: 6158,
target: 3925 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 8378) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 61588378,
size: 0.5,
source: 6158,
target: 8378 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 168648,
label: 'Cécile Palao',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2021/10/research_pasteur-cecile-palao-cecile-palao-rond-150x150.png',
page_url: 'https://research.pasteur.fr/fr/member/cecile-palao/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 6158168648,
size: 0.5,
source: 6158,
target: 168648 });
//check if content already exist
if (x_node<0){
x_site = x_node + ((Math.random() * 2)-1) - offset_left;
}else{
x_site = x_node + ((Math.random() * 2)-1) + offset_left;
}
if (y_node<0){
y_site = y_node + ((Math.random() * 2)-1) - offset_left;
}else{
y_site = y_node + ((Math.random() * 2)-1) + offset_left;
}
// adding site
g.nodes.push({
id: 168665,
label: 'Madison Lenormand',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2021/10/research_pasteur-madison-lenormand-e1633695343496-150x150.jpeg',
page_url: 'https://research.pasteur.fr/fr/member/madison-lenormand/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 6158168665,
size: 0.5,
source: 6158,
target: 168665 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 3923) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 61583923,
size: 0.5,
source: 6158,
target: 3923 });
var s = new sigma({
//container: document.getElementById('graph-main'),
graph: g,
renderer: {
// IMPORTANT:
// This works only with the canvas renderer, so the
// renderer type set as "canvas" is necessary here.
container: document.getElementById('graph-main'),
type: 'canvas'
},
settings: {
minNodeSize: 6,
maxNodeSize: 35,
mouseWheelEnabled: false,
font: 'Montserrat',
labelThreshold:25,
borderSize:1,
defaultNodeBorderColor: '#999',
sideMargin:25,
}
});
// We first need to save the original colors of our
// nodes and edges, like this:
s.graph.nodes().forEach(function(n) {
n.originalColor = n.color;
});
s.graph.edges().forEach(function(e) {
e.originalColor = e.color;
});
// When a node is clicked, we check for each node
// if it is a neighbor of the clicked one. If not,
// we set its color as grey, and else, it takes its
// original color.
// We do the same for the edges, and we only keep
// edges that have both extremities colored.
s.bind('clickNode', function(e) {
var nodeId = e.data.node.id,
toKeep = s.graph.neighbors(nodeId);
toKeep[nodeId] = e.data.node;
s.graph.nodes().forEach(function(n) {
if (toKeep[n.id])
n.color = '#35a9f5';
else
n.color = '#dddddd';
});
s.graph.edges().forEach(function(e) {
if (toKeep[e.source] && toKeep[e.target])
e.color = '#35a9f5';
else
e.color = '#dddddd';
});
// Since the data has been modified, we need to
// call the refresh method to make the colors
// update effective.
s.refresh();
});
// When the stage is clicked, we just color each
// node and edge with its original color.
s.bind('clickStage', function(e) {
s.graph.nodes().forEach(function(n) {
n.color = n.originalColor;
});
s.graph.edges().forEach(function(e) {
e.color = e.originalColor;
});
// Same as in the previous event:
s.refresh();
});
s.bind("doubleClickNode", function (e) {
$("#canvas-wrap, .sigma-scene, .sigma-mouse").val();
ajax_load_page( e.data.node.page_url );
});
var c = s.camera;
s.bind("rightClickStage", function (e) {
sigma.misc.animation.camera(c, {
ratio: c.ratio * c.settings('zoomingRatio')
}, {
duration: 200
});
});
// Configure the noverlap layout:
var noverlapListener = s.configNoverlap({
nodeMargin: 10,
scaleNodes: 0.3,
gridSize: 1,
easing: 'quadraticInOut', // animation transition function
duration: 4000 // animation duration. Long here for the purposes of this example only
});
// Bind the events:
noverlapListener.bind('start stop interpolate', function(e) {
//console.log(e.type);
if(e.type === 'start') {
//console.time('noverlap');
}
if(e.type === 'interpolate') {
//console.timeEnd('noverlap');
}
});
// Start the layout:
s.startNoverlap();
//s.refresh();
// Initialize the dragNodes plugin:
var dragListener = sigma.plugins.dragNodes(s, s.renderers[0]);
dragListener.bind('startdrag', function(event) {
});
dragListener.bind('drag', function(event) {
});
dragListener.bind('drop', function(event) {
});
dragListener.bind('dragend', function(event) {
});