Scroll into view
JavaScript network chart demo with automatic zoom into specific nodes with 'scrollIntoView()'.
HTML
HTML
<script src="https://cdn.zoomcharts-cloud.com/1/nightly/zoomcharts.js"></script>
<div id="demo"></div>
CSS
CSS
//No CSS for this example
JavaScript
JavaScript
var options = {
container: document.getElementById("demo"),
area: {
height: null
},
data: {
url: "/dvsl/data/net-chart/friend-net.json"
},
navigation: {
focusNodeExpansionRadius: 3,
initialNodes: ["m-1"],
mode: "showall"
},
style: {
node: { imageCropping: true },
nodeStyleFunction: nodeStyle,
selection: { fillColor: "#0099cc" }
},
interaction: {
selection: {
lockNodesOnMove: false
},
zooming: {
autoZoomExtent: [0.5, 4]
}
}
};
function nodeStyle(node) {
node.radius = 20;
node.label = "";
node.background = "blue";
node.image = "/dvsl/data/net-chart/friend-net/" + node.id + ".png";
}
var rnd = new ZoomCharts.Internal.Base.Random(38923);
function pickRandomNodes(nodes) {
if (nodes.length === 0) {
throw new Error("At least 1 node should be supplied");
}
var howMany = 1 + Math.floor(3 * rnd.get()); // pick 1 to 4 random nodes
howMany = Math.min(nodes.length, howMany);
var ret = [];
nodes = nodes.slice(); // clone
while (howMany--) {
var idx = Math.floor(nodes.length * rnd.get());
ret.push(nodes[idx]);
nodes.splice(idx, 1);
}
return ret;
}
var chart = new NetChart(options);
var timeoutHandle = setTimeout(function () {
var nodes = chart.nodes();
var scrollToNodes = function () {
var zoomableNodes = pickRandomNodes(nodes);
chart.selection(zoomableNodes);
chart.scrollIntoView(zoomableNodes);
timeoutHandle = setTimeout(scrollToNodes, 4000);
};
scrollToNodes();
}, 1000);
function disposeDemo() {
window.clearTimeout(timeoutHandle);
disposeDemo = null;
timeoutHandle = null;
}
Data
Data
Download Data
{
"nodes": [
{
"id": "m-1",
"age": 20,
"name": "Joe",
"loaded": true
},
{
"id": "m-2",
"age": 15,
"name": "Fred",
"loaded": true
},
{
"id": "m-3",
"age": 16,
"name": "Tom",
"loaded": true
},
{
"id": "m-4",
"age": 35,
"name": "Robert",
"loaded": true
},
{
"id": "m-5",
"age": 38,
"name": "Mark",
"loaded": true
},
{
"id": "m-6",
"age": 42,
"name": "Jason",
"loaded": true
},
{
"id": "m-7",
"age": 37,
"name": "Bill",
"loaded": true
},
{
"id": "m-8",
"age": 60,
"name": "Andre",
"loaded": true
},
{
"id": "m-9",
"age": 63,
"name": "Daniel",
"loaded": true
},
{
"id": "m-10",
"age": 17,
"name": "Thomas",
"loaded": true
},
{
"id": "m-11",
"age": 21,
"name": "Sergejs",
"loaded": true
},
{
"id": "m-12",
"age": 26,
"name": "Bryon",
"loaded": true
},
{
"id": "m-13",
"age": 29,
"name": "Toby",
"loaded": true
},
{
"id": "f-1",
"age": 28,
"name": "Anna",
"loaded": true
},
{
"id": "f-2",
"age": 21,
"name": "Wendy",
"loaded": true
},
{
"id": "f-3",
"age": 17,
"name": "Dina",
"loaded": true
},
{
"id": "f-4",
"age": 26,
"name": "Cate",
"loaded": true
},
{
"id": "f-5",
"age": 31,
"name": "Elisa",
"loaded": true
},
{
"id": "f-6",
"age": 34,
"name": "Suzie",
"loaded": true
},
{
"id": "f-7",
"age": 26,
"name": "Trixie",
"loaded": true
},
{
"id": "f-8",
"age": 37,
"name": "Emily",
"loaded": true
},
{
"id": "f-9",
"age": 39,
"name": "Alice",
"loaded": true
},
{
"id": "f-10",
"age": 42,
"name": "Violet",
"loaded": true
},
{
"id": "f-11",
"age": 32,
"name": "Sara",
"loaded": true
},
{
"id": "f-12",
"age": 28,
"name": "Julia",
"loaded": true
},
{
"id": "f-13",
"age": 19,
"name": "Ramona",
"loaded": true
},
{
"id": "f-14",
"age": 20,
"name": "Flavia",
"loaded": true
},
{
"id": "f-15",
"age": 23,
"name": "Liga",
"loaded": true
},
{
"id": "f-16",
"age": 27,
"name": "Jessica",
"loaded": true
},
{
"id": "f-17",
"age": 40,
"name": "Barbara",
"loaded": true
},
{
"id": "f-18",
"age": 45,
"name": "Hanna",
"loaded": true
},
{
"id": "f-19",
"age": 53,
"name": "Giselle",
"loaded": true
},
{
"id": "f-20",
"age": 27,
"name": "Mia",
"loaded": true
},
{
"id": "f-21",
"age": 19,
"name": "Rose",
"loaded": true
},
{
"id": "f-23",
"age": 28,
"name": "Judy",
"loaded": true
},
{
"id": "f-22",
"age": 32,
"name": "Nikola",
"loaded": true
},
{
"id": "f-24",
"age": 34,
"name": "Sofia",
"loaded": true
},
{
"id": "f-25",
"age": 37,
"name": "Fatima",
"loaded": true
},
{
"id": "f-26",
"age": 44,
"name": "Samantha",
"loaded": true
},
{
"id": "f-27",
"age": 23,
"name": "Chelia",
"loaded": true
},
{
"id": "f-28",
"age": 18,
"name": "Alexa",
"loaded": true
},
{
"id": "f-29",
"age": 21,
"name": "Karla",
"loaded": true
},
{
"id": "f-30",
"age": 23,
"name": "Karina",
"loaded": true
},
{
"id": "f-31",
"age": 51,
"name": "Patricia",
"loaded": true
},
{
"id": "f-32",
"age": 47,
"name": "Anna",
"loaded": true
},
{
"id": "f-33",
"age": 38,
"name": "Laura",
"loaded": true
}
],
"links": [
{
"id": "l01",
"from": "m-1",
"to": "f-1",
"type": "friend"
},
{
"id": "l02",
"from": "m-1",
"to": "f-2",
"type": "friend"
},
{
"id": "l03",
"from": "m-1",
"to": "f-3",
"type": "friend"
},
{
"id": "l04",
"from": "m-1",
"to": "f-4",
"type": "friend"
},
{
"id": "l06",
"from": "m-1",
"to": "f-6",
"type": "friend"
},
{
"id": "l07",
"from": "m-2",
"to": "f-2",
"type": "collegue"
},
{
"id": "l12",
"from": "m-3",
"to": "f-10",
"type": "spouse"
},
{
"id": "l13",
"from": "m-3",
"to": "f-5",
"type": "enemy"
},
{
"id": "l14",
"from": "m-3",
"to": "f-8",
"type": "friend"
},
{
"id": "l15",
"from": "m-3",
"to": "f-4",
"type": "friend"
},
{
"id": "l16",
"from": "m-3",
"to": "f-9",
"type": "friend"
},
{
"id": "l17",
"from": "m-4",
"to": "f-15",
"type": "spouse"
},
{
"id": "l18",
"from": "m-4",
"to": "f-14",
"type": "collegue"
},
{
"id": "l22",
"from": "m-5",
"to": "f-15",
"type": "collegue"
},
{
"id": "l23",
"from": "m-5",
"to": "f-4",
"type": "collegue"
},
{
"id": "l27",
"from": "f-11",
"to": "f-15",
"type": "collegue"
},
{
"id": "l28",
"from": "m-5",
"to": "m-6",
"type": "friend"
},
{
"id": "l29",
"from": "m-6",
"to": "m-7",
"type": "friend"
},
{
"id": "l30",
"from": "m-7",
"to": "m-8",
"type": "friend"
},
{
"id": "l31",
"from": "m-8",
"to": "m-9",
"type": "friend"
},
{
"id": "l32",
"from": "m-9",
"to": "m-10",
"type": "friend"
},
{
"id": "l33",
"from": "m-10",
"to": "m-11",
"type": "friend"
},
{
"id": "l34",
"from": "m-11",
"to": "m-12",
"type": "friend"
},
{
"id": "l35",
"from": "m-12",
"to": "m-13",
"type": "friend"
},
{
"id": "l36",
"from": "m-13",
"to": "m-5",
"type": "friend"
},
{
"id": "l101",
"from": "m-7",
"to": "f-25",
"type": "collegue"
},
{
"id": "l102",
"from": "m-7",
"to": "f-26",
"type": "collegue"
},
{
"id": "l103",
"from": "m-9",
"to": "f-26",
"type": "collegue"
},
{
"id": "l104",
"from": "m-9",
"to": "f-25",
"type": "collegue"
},
{
"id": "l105",
"from": "f-25",
"to": "f-26",
"type": "collegue"
},
{
"id": "l106",
"from": "m-7",
"to": "m-9",
"type": "collegue"
},
{
"id": "l107",
"from": "f-26",
"to": "f-28",
"type": "friend"
},
{
"id": "l108",
"from": "f-27",
"to": "f-28",
"type": "friend"
},
{
"id": "l109",
"from": "f-27",
"to": "f-29",
"type": "friend"
},
{
"id": "l110",
"from": "f-10",
"to": "f-29",
"type": "friend"
},
{
"id": "l111",
"from": "f-29",
"to": "f-33",
"type": "friend"
},
{
"id": "l112",
"from": "f-29",
"to": "f-32",
"type": "friend"
},
{
"id": "l113",
"from": "f-29",
"to": "f-31",
"type": "friend"
},
{
"id": "l114",
"from": "f-24",
"to": "f-31",
"type": "friend"
},
{
"id": "l115",
"from": "f-24",
"to": "f-32",
"type": "friend"
},
{
"id": "l116",
"from": "f-24",
"to": "f-33",
"type": "friend"
},
{
"id": "l117",
"from": "f-24",
"to": "f-23",
"type": "friend"
},
{
"id": "l118",
"from": "f-23",
"to": "f-22",
"type": "friend"
},
{
"id": "l119",
"from": "f-22",
"to": "f-21",
"type": "friend"
},
{
"id": "l120",
"from": "f-21",
"to": "f-20",
"type": "friend"
},
{
"id": "l121",
"from": "f-20",
"to": "f-19",
"type": "friend"
},
{
"id": "l122",
"from": "f-19",
"to": "f-18",
"type": "friend"
},
{
"id": "l123",
"from": "f-18",
"to": "f-17",
"type": "friend"
},
{
"id": "l124",
"from": "f-17",
"to": "f-16",
"type": "friend"
},
{
"id": "l125",
"from": "f-16",
"to": "f-30",
"type": "friend"
},
{
"id": "l126",
"from": "f-19",
"to": "f-30",
"type": "friend"
},
{
"id": "l130",
"from": "f-15",
"to": "m-10",
"type": "friend"
},
{
"id": "l131",
"from": "f-23",
"to": "m-4",
"type": "friend"
},
{
"id": "l132",
"from": "f-15",
"to": "m-7",
"type": "friend"
},
{
"id": "l133",
"from": "f-12",
"to": "m-13",
"type": "friend"
},
{
"id": "l134",
"from": "f-21",
"to": "m-12",
"type": "friend"
},
{
"id": "l135",
"from": "f-29",
"to": "m-11",
"type": "friend"
},
{
"id": "l136",
"from": "f-13",
"to": "m-11",
"type": "friend"
},
{
"id": "l137",
"from": "f-13",
"to": "m-7",
"type": "friend"
},
{
"id": "l138",
"from": "f-13",
"to": "m-12",
"type": "friend"
},
{
"id": "l139",
"from": "f-13",
"to": "m-6",
"type": "friend"
},
{
"id": "l140",
"from": "f-17",
"to": "f-9",
"type": "friend"
},
{
"id": "l141",
"from": "f-2",
"to": "m-4",
"type": "collegue"
},
{
"id": "l142",
"from": "f-5",
"to": "m-13",
"type": "friend"
},
{
"id": "l143",
"from": "f-7",
"to": "f-20",
"type": "friend"
}
]
}