diff options
Diffstat (limited to 'www/lib/vis/examples/network/exampleUtil.js')
| -rw-r--r-- | www/lib/vis/examples/network/exampleUtil.js | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/www/lib/vis/examples/network/exampleUtil.js b/www/lib/vis/examples/network/exampleUtil.js deleted file mode 100644 index 1621a9a5..00000000 --- a/www/lib/vis/examples/network/exampleUtil.js +++ /dev/null @@ -1,133 +0,0 @@ -/** - * Created by Alex on 5/20/2015. - */ - -function loadJSON(path, success, error) { - var xhr = new XMLHttpRequest(); - xhr.onreadystatechange = function () { - if (xhr.readyState === 4) { - if (xhr.status === 200) { - success(JSON.parse(xhr.responseText)); - } - else { - error(xhr); - } - } - }; - xhr.open('GET', path, true); - xhr.send(); -} - - -function getScaleFreeNetwork(nodeCount) { - var nodes = []; - var edges = []; - var connectionCount = []; - - // randomly create some nodes and edges - for (var i = 0; i < nodeCount; i++) { - nodes.push({ - id: i, - label: String(i) - }); - - connectionCount[i] = 0; - - // create edges in a scale-free-network way - if (i == 1) { - var from = i; - var to = 0; - edges.push({ - from: from, - to: to - }); - connectionCount[from]++; - connectionCount[to]++; - } - else if (i > 1) { - var conn = edges.length * 2; - var rand = Math.floor(Math.random() * conn); - var cum = 0; - var j = 0; - while (j < connectionCount.length && cum < rand) { - cum += connectionCount[j]; - j++; - } - - - var from = i; - var to = j; - edges.push({ - from: from, - to: to - }); - connectionCount[from]++; - connectionCount[to]++; - } - } - - return {nodes:nodes, edges:edges}; -} - -var randomSeed = 764; // Math.round(Math.random()*1000); -function seededRandom() { - var x = Math.sin(randomSeed++) * 10000; - return x - Math.floor(x); -} - -function getScaleFreeNetworkSeeded(nodeCount, seed) { - if (seed) { - randomSeed = Number(seed); - } - var nodes = []; - var edges = []; - var connectionCount = []; - var edgesId = 0; - - - // randomly create some nodes and edges - for (var i = 0; i < nodeCount; i++) { - nodes.push({ - id: i, - label: String(i) - }); - - connectionCount[i] = 0; - - // create edges in a scale-free-network way - if (i == 1) { - var from = i; - var to = 0; - edges.push({ - id: edgesId++, - from: from, - to: to - }); - connectionCount[from]++; - connectionCount[to]++; - } - else if (i > 1) { - var conn = edges.length * 2; - var rand = Math.floor(seededRandom() * conn); - var cum = 0; - var j = 0; - while (j < connectionCount.length && cum < rand) { - cum += connectionCount[j]; - j++; - } - - - var from = i; - var to = j; - edges.push({ - id: edgesId++, - from: from, - to: to - }); - connectionCount[from]++; - connectionCount[to]++; - } - } - - return {nodes:nodes, edges:edges}; -}
\ No newline at end of file |
