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: 147173,
label: 'Léonard Heyerdahl',
type: 'image',
url: '',
x: 0,
y: 0,
size: 30,
color: '#DDDDDD'
});
var biggest_node_size = 0;
N=14
// 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: 225963,
label: 'PROJECT: Situated TICKborne encephalitis preparedness and prevention Education Measures for Europe (STICKEM)',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/project/situated-tickborne-encephalitis-preparedness-and-prevention-education-measures-for-europe-stickem/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 147173225963,
size: 0.5,
source: 147173,
target: 225963,
});
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 147173) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 225963147173,
size: 0.5,
source: 225963,
target: 147173 });
//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: 4275,
label: 'Tamara Giles-Vernick',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/09/research.pasteur.fr_dsc6500-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/tamara-giles-vernick/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 2259634275,
size: 0.5,
source: 225963,
target: 4275 });
// 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: 225961,
label: 'PROJECT: Co-developing preparedness and risk communication: Crimean-Congo Hemorrhagic Fever knowledge, politics, experience in European borderlands (TICKRISK)',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/project/co-developing-preparedness-and-risk-communication-crimean-congo-hemorrhagic-fever-knowledge-politics-experience-in-european-borderlands-tickrisk/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 147173225961,
size: 0.5,
source: 147173,
target: 225961,
});
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 147173) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 225961147173,
size: 0.5,
source: 225961,
target: 147173 });
//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: 147170,
label: 'Benedetta Lana',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2020/09/research_pasteur-enbenedetta-lanafrbenedetta-lana-benedetta-pic-for-website-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/benedetta-lana/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 225961147170,
size: 0.5,
source: 225961,
target: 147170 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 4275) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 2259614275,
size: 0.5,
source: 225961,
target: 4275 });
// 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: 215037,
label: 'PROJECT: PvSTATEM : tests sérologiques et traitement du paludisme à Plasmodium vivax',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/project/pvstatem-serological-testing-treatment-of-vivax-malaria/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 147173215037,
size: 0.5,
source: 147173,
target: 215037,
});
//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: 94079,
label: 'Michael White',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2017/08/research_pasteur-michael-white-michael-photo-cropped-2-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/fr-michael-white/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 21503794079,
size: 0.5,
source: 215037,
target: 94079 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 4275) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 2150374275,
size: 0.5,
source: 215037,
target: 4275 });
//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: 199123,
label: 'Rob Van Der Pluijm',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/rob-van-der-pluijm/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 215037199123,
size: 0.5,
source: 215037,
target: 199123 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 147173) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 215037147173,
size: 0.5,
source: 215037,
target: 147173 });
//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: 157508,
label: 'Stéphane Pelleau',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2021/04/research_pasteur-stephane-pelleau-pelleau-stephane-1307-3-1-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/stephane-pelleau/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 215037157508,
size: 0.5,
source: 215037,
target: 157508 });
//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: 70981,
label: 'Thomas Obadia',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2016/06/research.pasteur.fr_p1040999_crop-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/thomas-obadia/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 21503770981,
size: 0.5,
source: 215037,
target: 70981 });
//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: 211446,
label: 'Despoina Mademtzoglou',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/despoina-mademtzoglou/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 215037211446,
size: 0.5,
source: 215037,
target: 211446 });
//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: 199093,
label: 'Gaëlle Baudemont',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/gaelle-baudemont/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 215037199093,
size: 0.5,
source: 215037,
target: 199093 });
//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: 157511,
label: 'Constanze Ciavarella',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2021/04/research_pasteur-constanze-ciavarella-ohne-titel-150x150.png',
page_url: 'https://research.pasteur.fr/fr/member/constanze-ciavarella/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 215037157511,
size: 0.5,
source: 215037,
target: 157511 });
//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: 169053,
label: 'Aimée Taylor',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/aimee-taylor/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 215037169053,
size: 0.5,
source: 215037,
target: 169053 });
//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: 168444,
label: 'Mathilde Grimée',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2021/10/research_pasteur-mathilde-grimee-de02585c-b3fe-4ba9-bb57-d829f1f4a5e4-1-105-c-1-1-150x150.jpeg',
page_url: 'https://research.pasteur.fr/fr/member/mathilde-grimee/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 215037168444,
size: 0.5,
source: 215037,
target: 168444 });
// 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: 210507,
label: 'NEWS: Global Health Departmental Days 2023',
x: x_node,
y: y_node,
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/news/global-health-departmental-days-2023/',
size: 35,
color: '#DDDDDD'
});
//link content to central post
g.edges.push({
id: 147173210507,
size: 0.5,
source: 147173,
target: 210507,
});
//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: 3977,
label: 'Hervé Bourhy',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2015/07/research.pasteur.fr_fig50-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/herve-bourhy/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 2105073977,
size: 0.5,
source: 210507,
target: 3977 });
//check if content already exist
// update node size depending on the amount of edges
g.nodes.forEach(function(n) {
if (n.id == 94079) {
n.size = n.size + 8;
}
});
//link to content
g.edges.push({
id: 21050794079,
size: 0.5,
source: 210507,
target: 94079 });
//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: 174732,
label: 'Bérangère Virlon',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2022/01/research_pasteur-berangere-virlon-virlon-berengere-2314-bv-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/berangere-virlon/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 210507174732,
size: 0.5,
source: 210507,
target: 174732 });
//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: 188247,
label: 'Agnès Mer Appere',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2022/10/research_pasteur-agnes-mer-appere-ama-2018-dsc8334-c-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/agnes-mer-appere/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 210507188247,
size: 0.5,
source: 210507,
target: 188247 });
//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: 174333,
label: 'Thomas Cortier',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2022/01/research_pasteur-thomas-cortier-thomas-cortier-150x150.jpg',
page_url: 'https://research.pasteur.fr/fr/member/thomas-cortier/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 210507174333,
size: 0.5,
source: 210507,
target: 174333 });
//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: 172503,
label: 'Chiara Crestani',
type: 'image',
url: 'https://research.pasteur.fr/wp-content/uploads/2021/12/research_pasteur-photochiara-150x150.jpeg',
page_url: 'https://research.pasteur.fr/fr/member/chiara-crestani/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
});
//link to content
g.edges.push({
id: 210507172503,
size: 0.5,
source: 210507,
target: 172503 });
//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: 176455,
label: 'Simon Galmiche',
type: 'image',
url: '',
page_url: 'https://research.pasteur.fr/fr/member/simon-galmiche/',
x: x_site,
y: y_site,
size: 10,
color: '#dddddd'
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//link to content
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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) {
});