D3 tween не работает внутри углового

var app = angular.module('myApp', []);
app.controller('myController', ['$scope', function ($scope) {
    $scope.myData = 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rix","size":2815},{"name":"SparseMatrix","size":3366}]},{"name":"Maths","size":17705},{"name":"Orientation","size":1486},{"name":"palette","children":[{"name":"ColorPalette","size":6367},{"name":"Palette","size":1229},{"name":"ShapePalette","size":2059},{"name":"SizePalette","size":2291}]},{"name":"Property","size":5559},{"name":"Shapes","size":19118},{"name":"Sort","size":6887},{"name":"Stats","size":6557},{"name":"Strings","size":22026}]}]}
}]);
app.directive('packChart', function () {
    return {
        restrict: 'EA',

        link: function (scope, elem, attrs) {
            var root = scope.myData;
            var margin = 20,
                diameter = 960;

            var color = d3.scale.linear()
                .domain([-1, 5])
                .range(["hsl(152,80%,80%)", "hsl(228,30%,40%)"])
                .interpolate(d3.interpolateHcl);

            var pack = d3.layout.pack()
                .padding(2)
                .size([diameter - margin, diameter - margin])
                .value(function (d) {
                return d.size;
            })

            var svg = d3.select("svg")
                .attr("width", diameter)
                .attr("height", diameter)
                .append("g")
                .attr("transform", "translate(" + diameter / 2 + "," + diameter / 2 + ")");
            var focus = root,
                nodes = pack.nodes(root),
                view;

            var circle = svg.selectAll("circle")
                .data(nodes)
                .enter().append("circle")
                .attr("class", function (d) {
                return d.parent ? d.children ? "node" : "node node--leaf" : "node node--root";
            })
                .style("fill", function (d) {
                return d.children ? color(d.depth) : null;
            })
                .on("click", function (d) {
                if (focus !== d) zoom(d), d3.event.stopPropagation();
            });

            var text = svg.selectAll("text")
                .data(nodes)
                .enter().append("text")
                .attr("class", "label")
                .style("fill-opacity", function (d) {
                return d.parent === root ? 1 : 0;
            })
                .style("display", function (d) {
                return d.parent === root ? null : "none";
            })
                .text(function (d) {
                return d.name;
            });

            var node = svg.selectAll("circle,text");

            d3.select("body")
                .style("background", color(-1))
                .on("click", function () {
                zoom(root);
            });

            zoomTo([root.x, root.y, root.r * 2 + margin]);

            function zoom(d) {
                var focus0 = focus;
                focus = d;

                var transition = d3.transition()
                    .duration(d3.event.altKey ? 7500 : 750)
                    .tween("zoom", function (d) {
                    var i = d3.interpolateZoom(view, [focus.x, focus.y, focus.r * 2 + margin]);
                    return function (t) {
                        zoomTo(i(t));
                    };
                });

                transition.selectAll("text")
                    .filter(function (d) {
                    return d.parent === focus || this.style.display === "inline";
                })
                    .style("fill-opacity", function (d) {
                    return d.parent === focus ? 1 : 0;
                })
                    .each("start", function (d) {
                    if (d.parent === focus) this.style.display = "inline";
                })
                    .each("end", function (d) {
                    if (d.parent !== focus) this.style.display = "none";
                });
            }

            function zoomTo(v) {
                var k = diameter / v[2];
                view = v;
                node.attr("transform", function (d) {
                    return "translate(" + (d.x - v[0]) * k + "," + (d.y - v[1]) * k + ")";
                });
                circle.attr("r", function (d) {
                    return d.r * k;
                });
            }
        }
    };
});

.node {
    cursor: pointer;
}
.node:hover {
    stroke: #000;
    stroke-width: 1.5px;
}
.node--leaf {
    fill: white;
}
.label {
    font: 11px"Helvetica Neue", Helvetica, Arial, sans-serif;
    text-anchor: middle;
    text-shadow: 0 1px 0 #fff, 1px 0 0 #fff, -1px 0 0 #fff, 0 -1px 0 #fff;
}
.label, .node--root, .node--leaf {
    pointer-events: none;
}

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.5/angular.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>
<div ng-app='myApp' ng-controller="myController">
     <h1>My Chart</h1>

    <svg pack-chart></svg>
</div>