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: 94979,
label: 'Florent Haiss',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2017/09/research_pasteur-d41d84dda37815ca0f_l_c08c0-150x150.jpg',
x: 0,
y: 0,
size: 30,
color: '#DDDDDD'
});
var biggest_node_size = 0;
N=6
// 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: 227481,
label: 'EVENT: Seminar Dept Neuroscience “Imaging synaptic learning.”',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/event/seminar-dept-neuroscience-imaging-synaptic-learning-seminar-dept-neuroscience/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 94979227481,
size: 0.5,
source: 94979,
target: 227481,
});
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 94979) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 22748194979,
size: 0.5,
source: 227481,
target: 94979 });
// 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: 158469,
label: 'PROGRAM_PROJECT: Maladies de la connectivité cérébrale et maladies neurodégénératives',
x: x_node,
y: y_node,
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2021/05/research_pasteur-enbrain-connectivity-and-neurodegenerative-diseases-frmaladies-de-la-connectivite-cerebrale-et-maladies-neurodenegeratives-institutpasteur-fotolia-89243995-1400px-axe-neuro-150x150.jpeg',
page_url: 'https://research.pasteur.fr/fr/program_project/brain-connectivity-and-neurodegenerative-diseases/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 94979158469,
size: 0.5,
source: 94979,
target: 158469,
});
//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: 4987,
label: 'Chiara Zurzolo',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2018/11/research_pasteur-chiara-zurzolo-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/chiara-zurzolo/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1584694987,
size: 0.5,
source: 158469,
target: 4987 });
//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: 3801,
label: 'Uwe Maskos',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/12/research.pasteur.fr_um_1-3-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/uwe-maskos/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1584693801,
size: 0.5,
source: 158469,
target: 3801 });
//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: 64150,
label: 'Laure Bally-Cuif',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2016/04/research.pasteur.fr_laure_bally-cuiff-150x150.png',
page_url: 'https://research.pasteur.fr/fr/member/laure-bally-cuif/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 15846964150,
size: 0.5,
source: 158469,
target: 64150 });
//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: 3770,
label: 'Thomas Bourgeron',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/05/research.pasteur.fr_thomas-bourgeron-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/thomas-bourgeron/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1584693770,
size: 0.5,
source: 158469,
target: 3770 });
//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: 4225,
label: 'Gérard Eberl',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/07/research.pasteur.fr_eberl-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/gerard-eberl/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1584694225,
size: 0.5,
source: 158469,
target: 4225 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 94979) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 15846994979,
size: 0.5,
source: 158469,
target: 94979 });
//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: 3806,
label: 'Pierre-Marie Lledo',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/05/research_pasteur-pierre-marie-lledo-lledo-pierre-marie-6653-copie-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/pierre-marie-lledo/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1584693806,
size: 0.5,
source: 158469,
target: 3806 });
//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: 4664,
label: 'Nicolas Michalski',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/nicolas-michalski/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 1584694664,
size: 0.5,
source: 158469,
target: 4664 });
// 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: 135026,
label: 'EVENT: Lab Seminar: Layer and Cell Type-Specific Modulation of Neocortical Neuronal Microcircuits',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/event/lab-seminar-dirk-feldmeyer-tuesday-nov-19th-1130-am-room-jean-paul-aubert/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 94979135026,
size: 0.5,
source: 94979,
target: 135026,
});
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 94979) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 13502694979,
size: 0.5,
source: 135026,
target: 94979 });
// adding node
var x_node = Math.cos(2 * 3 * Math.PI / N) * 10;
var y_node = Math.sin(2 * 3 * Math.PI / N) * 10;
g.nodes.push({
id: 128837,
label: 'EVENT: Neuroscience Seminar Series: Neocortical dynamics during sensory discrimination behavior',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/event/neuroscience-seminar-series-neocortical-dynamics-during-sensory-discrimination-behavior/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 94979128837,
size: 0.5,
source: 94979,
target: 128837,
});
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 94979) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 12883794979,
size: 0.5,
source: 128837,
target: 94979 });
// adding node
var x_node = Math.cos(2 * 4 * Math.PI / N) * 10;
var y_node = Math.sin(2 * 4 * Math.PI / N) * 10;
g.nodes.push({
id: 122794,
label: 'EVENT: Imaging neuronal activity on its own terms: multiphoton micron resolution across millimeters at the subsecond time scale',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/event/imaging-neuronal-activity-on-its-own-terms-multiphoton-micron-resolution-across-millimeters-at-the-subsecond-time-scale/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 94979122794,
size: 0.5,
source: 94979,
target: 122794,
});
//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: 68280,
label: 'Archivé: Christoph Schmidt-Hieber',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2016/04/research.pasteur.fr_headshot_800-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/?post_type=member&p=68280',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 12279468280,
size: 0.5,
source: 122794,
target: 68280 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 94979) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 12279494979,
size: 0.5,
source: 122794,
target: 94979 });
// adding node
var x_node = Math.cos(2 * 5 * Math.PI / N) * 10;
var y_node = Math.sin(2 * 5 * Math.PI / N) * 10;
g.nodes.push({
id: 94978,
label: 'TEAM: Dynamique Corticale et Prise de Décision',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/team/neural-circuit-dynamics-and-decision-making/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 9497994978,
size: 0.5,
source: 94979,
target: 94978,
});
//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: 104637,
label: 'Frédérique Bouchot',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2018/03/research_pasteur-frederique-bouchot-2-150x150.png',
page_url: 'https://research.pasteur.fr/fr/member/frederique-bouchot/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 94978104637,
size: 0.5,
source: 94978,
target: 104637 });
//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: 154194,
label: 'Wilson Mena Orostica',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2021/02/research_pasteur-wilson-mena-orostica-research-pasteur-wilson-mena-orostica-microsoftteams-image-7-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/wilson-mena-orostica/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 94978154194,
size: 0.5,
source: 94978,
target: 154194 });
//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: 190654,
label: 'Timothé Jost-Mousseau',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2022/11/research_pasteur-timothe-jost-mousseau-research-pasteur-timothe-jost-mousseau-photo-tim-e1672934457363-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/timothe-jost-mousseau/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 94978190654,
size: 0.5,
source: 94978,
target: 190654 });
//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: 225212,
label: 'Lorenzo Panelatti',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/lorenzo-panelatti/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 94978225212,
size: 0.5,
source: 94978,
target: 225212 });
//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: 225215,
label: 'Ervan Achirou',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/ervan-achirou/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 94978225215,
size: 0.5,
source: 94978,
target: 225215 });
//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: 230145,
label: 'Bahar Asadipour',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/bahar-asadipour/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 94978230145,
size: 0.5,
source: 94978,
target: 230145 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 94979) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 9497894979,
size: 0.5,
source: 94978,
target: 94979 });
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) {
});