Hi, every one! Welcome back. In this post, I am going to show you the real time demo of the Angular nvd3 Force Directed Graph.There might be many graph libraries for Angular charts on the internet but nvd3 provides rich user interaction events and good looking UI. It simply looks beautiful. Force graph is used to display the network of things. For example diagrammatic representation of your Facebook connection. Given below, is the simple live demo of Force Directed Graph with some sample data.
Click here for a live demo of Force Direction Graph.
- Create ASP.NET MVC Web Application (I created in Visual Studio 2013).
- Create a Controller (HomeController).
- Create an Index action and add View to this action.
- Replace the Index view code with the code, as shown below:
Index.cshtml
- @{
- ViewBag.Title = "mitechdev.com";
- }
-
- <h2>Angular nvd3-Force Direction Graph</h2>
- <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/nvd3/1.8.3/nv.d3.min.css" />
- <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.9/angular.min.js"></script>
- <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"></script>
- <script src="https://cdnjs.cloudflare.com/ajax/libs/nvd3/1.8.3/nv.d3.min.js"></script>
- <script src="https://cdnjs.cloudflare.com/ajax/libs/angular-nvd3/1.0.7/angular-nvd3.min.js"></script>
- <script src="~/Scripts/myscript.js"></script>
-
- <div ng-app="myapp" ng-controller="GraphController">
-
- <nvd3 options="options" data="data" class="with-3d-shadow with-transitions"></nvd3>
- </div>
- Add the script code, given below, for Graph display...
- The script, given below, is to display the graph. Here, we must add nvd3 directive as dependency in an Angular module.
- We can customize this graph, using $scope.options and I have prepared the data source, using $scope.data. .
myscript.js
- var app = angular.module('myapp', ['nvd3']);
-
- app.controller('GraphController', function ($scope) {
- var color = d3.scale.category20()
- $scope.options = {
- chart: {
- type: 'forceDirectedGraph',
- height: 500,
-
- width:700,
- margin: { top: 20, right: 20, bottom: 20, left: 20 },
- color: function (d) {
- return color(d.group)
- },
- nodeExtras: function (node) {
- node && node
- .append("text")
- .attr("dx", 8)
- .attr("dy", ".35em")
- .text(function (d) { return d.name })
- .style('font-size', '10px');
- }
- }
- };
-
- $scope.data = {
- "nodes": [
- { "name": "Myriel", "group": 1 },
- { "name": "Napoleon", "group": 1 },
- { "name": "Mlle.Baptistine", "group": 1 },
- { "name": "Mme.Magloire", "group": 1 },
- { "name": "CountessdeLo", "group": 1 },
- { "name": "Geborand", "group": 1 },
- { "name": "Champtercier", "group": 1 },
- { "name": "Cravatte", "group": 1 },
- { "name": "Count", "group": 1 },
- { "name": "OldMan", "group": 1 },
- { "name": "Labarre", "group": 2 },
- { "name": "Valjean", "group": 2 },
- { "name": "Marguerite", "group": 3 },
- { "name": "Mme.deR", "group": 2 },
- { "name": "Isabeau", "group": 2 },
- { "name": "Gervais", "group": 2 },
- { "name": "Tholomyes", "group": 3 },
- { "name": "Listolier", "group": 3 },
- { "name": "Fameuil", "group": 3 },
- { "name": "Blacheville", "group": 3 },
- { "name": "Favourite", "group": 3 },
- { "name": "Dahlia", "group": 3 },
- { "name": "Zephine", "group": 3 },
- { "name": "Fantine", "group": 3 },
- { "name": "Mme.Thenardier", "group": 4 },
- { "name": "Thenardier", "group": 4 },
- { "name": "Cosette", "group": 5 },
- { "name": "Javert", "group": 4 },
- { "name": "Fauchelevent", "group": 0 },
- { "name": "Bamatabois", "group": 2 },
- { "name": "Perpetue", "group": 3 },
- { "name": "Simplice", "group": 2 },
- { "name": "Scaufflaire", "group": 2 },
- { "name": "Woman1", "group": 2 },
- { "name": "Judge", "group": 2 },
- { "name": "Champmathieu", "group": 2 },
- { "name": "Brevet", "group": 2 },
- { "name": "Chenildieu", "group": 2 },
- { "name": "Cochepaille", "group": 2 },
- { "name": "Pontmercy", "group": 4 },
- { "name": "Boulatruelle", "group": 6 },
- { "name": "Eponine", "group": 4 },
- { "name": "Anzelma", "group": 4 },
- { "name": "Woman2", "group": 5 },
- { "name": "MotherInnocent", "group": 0 },
- { "name": "Gribier", "group": 0 },
- { "name": "Jondrette", "group": 7 },
- { "name": "Mme.Burgon", "group": 7 },
- { "name": "Gavroche", "group": 8 },
- { "name": "Gillenormand", "group": 5 },
- { "name": "Magnon", "group": 5 },
- { "name": "Mlle.Gillenormand", "group": 5 },
- { "name": "Mme.Pontmercy", "group": 5 },
- { "name": "Mlle.Vaubois", "group": 5 },
- { "name": "Lt.Gillenormand", "group": 5 },
- { "name": "Marius", "group": 8 },
- { "name": "BaronessT", "group": 5 },
- { "name": "Mabeuf", "group": 8 },
- { "name": "Enjolras", "group": 8 },
- { "name": "Combeferre", "group": 8 },
- { "name": "Prouvaire", "group": 8 },
- { "name": "Feuilly", "group": 8 },
- { "name": "Courfeyrac", "group": 8 },
- { "name": "Bahorel", "group": 8 },
- { "name": "Bossuet", "group": 8 },
- { "name": "Joly", "group": 8 },
- { "name": "Grantaire", "group": 8 },
- { "name": "MotherPlutarch", "group": 9 },
- { "name": "Gueulemer", "group": 4 },
- { "name": "Babet", "group": 4 },
- { "name": "Claquesous", "group": 4 },
- { "name": "Montparnasse", "group": 4 },
- { "name": "Toussaint", "group": 5 },
- { "name": "Child1", "group": 10 },
- { "name": "Child2", "group": 10 },
- { "name": "Brujon", "group": 4 },
- { "name": "Mme.Hucheloup", "group": 8 }
- ],
- "links": [
- { "source": 1, "target": 0, "value": 1 },
- { "source": 2, "target": 0, "value": 8 },
- { "source": 3, "target": 0, "value": 10 },
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- ]
- }
- });
Conclusion
I hope this article may be helpful for many readers.