var app = angular.module('plunker', ['nvd3']);

app.controller('MainCtrl', function($scope) {
      var chart;
  
      $scope.options = {
            chart: {
                type: 'lineChart',
                height: 450,
                margin : {
                    top: 20,
                    right: 20,
                    bottom: 40,
                    left: 65
                },
                x: function(d){ return d.x; },
                y: function(d){ return d.y; },
                // useInteractiveGuideline: true,
                xAxis: {
                    axisLabel: 'Time (ms)'
                },
                yAxis: {
                    axisLabel: 'Voltage (v)',
                    tickFormat: function(d){
                        return d3.format('.02f')(d);
                    },
                    axisLabelDistance: 5
                },
                callback: highlightPoints,
                dispatch: {
                  renderEnd: function(){
                    highlightPoints(chart)
                  }
                }
            }
        };
        
        $scope.onReady = function(scope, el){
          chart = scope.chart;
        }
        
        function highlightPoints(chart){
            var data = d3.select('svg').datum();
            
            d3.select('.nv-groups')
                .selectAll("circle.myPoint")
                .remove();
            
            var points = d3.select('.nv-groups')
                .selectAll("circle.myPoint")
                .data(data[0].values.filter(function(d) { return d.y > 3000; }));
            
            points.enter().append("circle")
                .attr("class", "myPoint")
                .attr("cx", function(d) { return chart.xAxis.scale()(d.x); })
                .attr("cy", function(d) { return chart.yAxis.scale()(d.y); })
                .attr("r", 5);
        }

        $scope.data = [{
        "values": [{
            "x": 0,
            "y": 3235
        }, {
            "x": 173,
            "y": 2114
        }, {
            "x": 347,
            "y": 1724
        }, {
            "x": 526,
            "y": 2703
        }, {
            "x": 700,
            "y": 2980
        }, {
            "x": 931,
            "y": 3086
        }, {
            "x": 1058,
            "y": 2881
        }, {
            "x": 1220,
            "y": 2817
        }, {
            "x": 1399,
            "y": 2242
        }, {
            "x": 1584,
            "y": 2639
        }, {
            "x": 1752,
            "y": 3122
        }, {
            "x": 1983,
            "y": 3157
        }, {
            "x": 2105,
            "y": 3391
        }, {
            "x": 2284,
            "y": 3441
        }, {
            "x": 2469,
            "y": 3356
        }, {
            "x": 2637,
            "y": 3498
        }, {
            "x": 2811,
            "y": 3753
        }, {
            "x": 3042,
            "y": 3384
        }, {
            "x": 3169,
            "y": 3399
        }, {
            "x": 3331,
            "y": 3399
        }, {
            "x": 3522,
            "y": 2164
        }, {
            "x": 3690,
            "y": 2129
        }, {
            "x": 3863,
            "y": 2200
        }, {
            "x": 4095,
            "y": 2292
        }],
        "key": "actual1",
        "color": null
    }, {
        "values": [{
            "x": 0,
            "y": 341
        }, {
            "x": 173,
            "y": 341
        }, {
            "x": 347,
            "y": 341
        }, {
            "x": 526,
            "y": 341
        }, {
            "x": 700,
            "y": 341
        }, {
            "x": 931,
            "y": 341
        }, {
            "x": 1058,
            "y": 341
        }, {
            "x": 1220,
            "y": 341
        }, {
            "x": 1399,
            "y": 341
        }, {
            "x": 1584,
            "y": 341
        }, {
            "x": 1752,
            "y": 341
        }, {
            "x": 1983,
            "y": 341
        }, {
            "x": 2105,
            "y": 341
        }, {
            "x": 2284,
            "y": 341
        }, {
            "x": 2469,
            "y": 341
        }, {
            "x": 2637,
            "y": 341
        }, {
            "x": 2811,
            "y": 341
        }, {
            "x": 3042,
            "y": 341
        }, {
            "x": 3169,
            "y": 341
        }, {
            "x": 3331,
            "y": 341
        }, {
            "x": 3522,
            "y": 341
        }, {
            "x": 3690,
            "y": 341
        }, {
            "x": 3863,
            "y": 341
        }, {
            "x": 4095,
            "y": 341
        }],
        "key": "trigger",
        "color": "#f9b800"
    }, {
        "values": [{
            "x": 0,
            "y": 3232
        }, {
            "x": 173,
            "y": 2100
        }, {
            "x": 347,
            "y": 1700
        }, {
            "x": 526,
            "y": 2689
        }, {
            "x": 700,
            "y": 2976
        }, {
            "x": 931,
            "y": 3081
        }, {
            "x": 1058,
            "y": 2870
        }, {
            "x": 1220,
            "y": 2810
        }, {
            "x": 1399,
            "y": 2221
        }, {
            "x": 1584,
            "y": 2628
        }, {
            "x": 1752,
            "y": 3119
        }, {
            "x": 1983,
            "y": 3157
        }, {
            "x": 2105,
            "y": 3383
        }, {
            "x": 2284,
            "y": 3436
        }, {
            "x": 2469,
            "y": 3353
        }, {
            "x": 2637,
            "y": 3489
        }, {
            "x": 2811,
            "y": 3753
        }, {
            "x": 3042,
            "y": 3383
        }, {
            "x": 3169,
            "y": 3398
        }, {
            "x": 3331,
            "y": 3398
        }, {
            "x": 3522,
            "y": 2153
        }, {
            "x": 3690,
            "y": 2107
        }, {
            "x": 3863,
            "y": 2183
        }, {
            "x": 4095,
            "y": 2273
        }],
        "key": "actual2",
        "color": null
    }, {
        "values": [{
            "x": 0,
            "y": 341
        }, {
            "x": 173,
            "y": 341
        }, {
            "x": 347,
            "y": 341
        }, {
            "x": 526,
            "y": 341
        }, {
            "x": 700,
            "y": 341
        }, {
            "x": 931,
            "y": 341
        }, {
            "x": 1058,
            "y": 341
        }, {
            "x": 1220,
            "y": 341
        }, {
            "x": 1399,
            "y": 341
        }, {
            "x": 1584,
            "y": 341
        }, {
            "x": 1752,
            "y": 341
        }, {
            "x": 1983,
            "y": 341
        }, {
            "x": 2105,
            "y": 341
        }, {
            "x": 2284,
            "y": 341
        }, {
            "x": 2469,
            "y": 341
        }, {
            "x": 2637,
            "y": 341
        }, {
            "x": 2811,
            "y": 341
        }, {
            "x": 3042,
            "y": 341
        }, {
            "x": 3169,
            "y": 341
        }, {
            "x": 3331,
            "y": 341
        }, {
            "x": 3522,
            "y": 341
        }, {
            "x": 3690,
            "y": 341
        }, {
            "x": 3863,
            "y": 341
        }, {
            "x": 4095,
            "y": 341
        }],
        "key": "trigger2",
        "color": "#f9b800"
    }, {
        "values": [{
            "x": 0,
            "y": 2935
        }, {
            "x": 173,
            "y": 1134
        }, {
            "x": 347,
            "y": 504
        }, {
            "x": 526,
            "y": 2078
        }, {
            "x": 700,
            "y": 2519
        }, {
            "x": 931,
            "y": 2696
        }, {
            "x": 1058,
            "y": 2356
        }, {
            "x": 1220,
            "y": 2267
        }, {
            "x": 1399,
            "y": 1336
        }, {
            "x": 1584,
            "y": 1978
        }, {
            "x": 1752,
            "y": 2746
        }, {
            "x": 1983,
            "y": 2809
        }, {
            "x": 2105,
            "y": 3174
        }, {
            "x": 2284,
            "y": 3262
        }, {
            "x": 2469,
            "y": 3124
        }, {
            "x": 2637,
            "y": 3350
        }, {
            "x": 2811,
            "y": 3753
        }, {
            "x": 3042,
            "y": 3174
        }, {
            "x": 3169,
            "y": 3187
        }, {
            "x": 3331,
            "y": 3187
        }, {
            "x": 3522,
            "y": 1222
        }, {
            "x": 3690,
            "y": 1159
        }, {
            "x": 3863,
            "y": 1273
        }, {
            "x": 4095,
            "y": 1411
        }],
        "key": "actual3",
        "color": null
    }, {
        "values": [{
            "x": 0,
            "y": 341
        }, {
            "x": 173,
            "y": 341
        }, {
            "x": 347,
            "y": 341
        }, {
            "x": 526,
            "y": 341
        }, {
            "x": 700,
            "y": 341
        }, {
            "x": 931,
            "y": 341
        }, {
            "x": 1058,
            "y": 341
        }, {
            "x": 1220,
            "y": 341
        }, {
            "x": 1399,
            "y": 341
        }, {
            "x": 1584,
            "y": 341
        }, {
            "x": 1752,
            "y": 341
        }, {
            "x": 1983,
            "y": 341
        }, {
            "x": 2105,
            "y": 341
        }, {
            "x": 2284,
            "y": 341
        }, {
            "x": 2469,
            "y": 341
        }, {
            "x": 2637,
            "y": 341
        }, {
            "x": 2811,
            "y": 341
        }, {
            "x": 3042,
            "y": 341
        }, {
            "x": 3169,
            "y": 341
        }, {
            "x": 3331,
            "y": 341
        }, {
            "x": 3522,
            "y": 341
        }, {
            "x": 3690,
            "y": 341
        }, {
            "x": 3863,
            "y": 341
        }, {
            "x": 4095,
            "y": 341
        }],
        "key": "trigger3",
        "color": "#f9b800"
    }, {
        "values": [{
            "x": 0,
            "y": 2883
        }, {
            "x": 173,
            "y": 1004
        }, {
            "x": 347,
            "y": 341
        }, {
            "x": 526,
            "y": 1985
        }, {
            "x": 700,
            "y": 2455
        }, {
            "x": 931,
            "y": 2634
        }, {
            "x": 1058,
            "y": 2275
        }, {
            "x": 1220,
            "y": 2178
        }, {
            "x": 1399,
            "y": 1211
        }, {
            "x": 1584,
            "y": 1874
        }, {
            "x": 1752,
            "y": 2689
        }, {
            "x": 1983,
            "y": 2759
        }, {
            "x": 2105,
            "y": 3132
        }, {
            "x": 2284,
            "y": 3228
        }, {
            "x": 2469,
            "y": 3090
        }, {
            "x": 2637,
            "y": 3311
        }, {
            "x": 2811,
            "y": 3753
        }, {
            "x": 3042,
            "y": 3132
        }, {
            "x": 3169,
            "y": 3159
        }, {
            "x": 3331,
            "y": 3159
        }, {
            "x": 3522,
            "y": 1087
        }, {
            "x": 3690,
            "y": 1018
        }, {
            "x": 3863,
            "y": 1142
        }, {
            "x": 4095,
            "y": 1294
        }],
        "key": "actual4",
        "color": null
    }, {
        "values": [{
            "x": 0,
            "y": 1266
        }, {
            "x": 173,
            "y": 1266
        }, {
            "x": 347,
            "y": 1266
        }, {
            "x": 526,
            "y": 1266
        }, {
            "x": 700,
            "y": 1266
        }, {
            "x": 931,
            "y": 1266
        }, {
            "x": 1058,
            "y": 1266
        }, {
            "x": 1220,
            "y": 1266
        }, {
            "x": 1399,
            "y": 1266
        }, {
            "x": 1584,
            "y": 1266
        }, {
            "x": 1752,
            "y": 1266
        }, {
            "x": 1983,
            "y": 1266
        }, {
            "x": 2105,
            "y": 1266
        }, {
            "x": 2284,
            "y": 1266
        }, {
            "x": 2469,
            "y": 1266
        }, {
            "x": 2637,
            "y": 1266
        }, {
            "x": 2811,
            "y": 1266
        }, {
            "x": 3042,
            "y": 1266
        }, {
            "x": 3169,
            "y": 1266
        }, {
            "x": 3331,
            "y": 1266
        }, {
            "x": 3522,
            "y": 1266
        }, {
            "x": 3690,
            "y": 1266
        }, {
            "x": 3863,
            "y": 1266
        }, {
            "x": 4095,
            "y": 1266
        }],
        "key": "trigger4",
        "color": "#f9b800"
    }];
});
<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>Angular-nvD3 Line Chart</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/nvd3/1.8.1/nv.d3.min.css"/>    
    <link rel="stylesheet" href="style.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/nvd3/1.8.1/nv.d3.min.js"></script>
    <script src="https://rawgit.com/krispo/angular-nvd3/v1.0.5/dist/angular-nvd3.js"></script>
    <script src="app.js"></script>
  </head>

  <body ng-controller="MainCtrl">
    
    <nvd3 options="options" data="data" on-ready="onReady" class="with-3d-shadow with-transitions"></nvd3>
    
    <br><a href="http://krispo.github.io/angular-nvd3/" target="_blank" style="float: right;">See more</a>
  </body>

</html>
/* Put your css in here */
.dashed {
    stroke-dasharray: 5,5;
}

.nvd3.nv-scatter .nv-groups .nv-point.hover,
.nvd3 .nv-groups .nv-point.hover {
    stroke-width: 20px !important;
    fill-opacity: .5 !important;
    stroke-opacity: .5 !important;
}
Read more about Angular-nvD3:
http://krispo.github.io/angular-nvd3/