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   http://www.apache.org/licenses/LICENSE-2.0

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software distributed under the License is distributed on an
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<html>

<head>
    <meta charset="utf-8">
    <script src="lib/esl.js"></script>
    <script src="lib/config.js"></script>
    <meta name="viewport" content="width=device-width, initial-scale=1" />
</head>

<body>
    <style>
        html,
        body,
        #main1,
        #main2,
        #main3 {
            width: 100%;
            height: 250px;
            margin: 0;
        }

        .test-title {
            background: #146402;
            padding: 10px;
            color: #fff;
        }

        button {
            padding: 10px 20px;
            margin: 10px;
        }
    </style>

    <div class="test-title">Animation: Transition from previous state to new state, in 10 seconds after clicking Go</div>
    <button id="btn1">Go</button>
    <div id="main1"></div>

    <div class="test-title">Animation: Transition all over again, in 10 seconds after clicking Go</div>
    <button id="btn2">Go</button>
    <div id="main2"></div>

    <div class="test-title">Should display labels on emphasis if no animation</div>
    <div id="main3"></div>

    <script>

        require([
            'echarts'
        ], function (echarts) {


            var chart = echarts.init(
                document.getElementById('main1'),
                null,
                {
                    renderer: 'svg'
                }
            );
            var data = [
                {"name": "a1", "value": 92386},
                {"name": "b1", "value": 90611},
                {"name": "c1", "value": 12596},
                {"name": "d1", "value": 9438},
                {"name": "e1", "value": 10049}
            ];
            var data2 = [
                {"name": "a1", "value": 120},
                {"name": "b1", "value": 200},
                {"name": "c1", "value": 300},
                {"name": "x1", "value": 20},
                {"name": "y1", "value": 30}
            ];

            var option = {
                series: [{
                    type: 'pie',
                    animationDuration: 1000,
                    animationDurationUpdate: 10000,
                    startAngle: 0,
                    endAngle: 360,
                    radius: ['50%', '80%'],
                    center: ['40%', '50%'],
                    data: data
                }]
            };
            chart.setOption(option);

            document.getElementById('btn1').addEventListener('click', function () {
                option.series[0].data = data2;
                chart.setOption(option, true);
            });
        });

    </script>


    <script>

        require([
            'echarts'
        ], function (echarts) {


            var chart = echarts.init(
                document.getElementById('main2'),
                null,
                {
                    renderer: 'svg'
                }
            );
            var data = [
                {"name": "a1", "value": 92386},
                {"name": "b1", "value": 90611},
                {"name": "c1", "value": 12596},
                {"name": "d1", "value": 9438},
                {"name": "e1", "value": 10049}
            ];
            var data2 = [
                {"name": "a1", "value": 120},
                {"name": "b1", "value": 200},
                {"name": "c1", "value": 300},
                {"name": "x1", "value": 20},
                {"name": "y1", "value": 30}
            ];

            var option = {
                series: [{
                    type: 'pie',
                    animationType: 'expansion',
                    animationDuration: 1000,
                    animationDurationUpdate: 10000,
                    animationTypeUpdate: 'expansion',
                    startAngle: 0,
                    endAngle: 360,
                    radius: ['50%', '80%'],
                    center: ['40%', '50%'],
                    data: data
                }]
            };
            chart.setOption(option);

            document.getElementById('btn2').addEventListener('click', function () {
                option.series[0].data = data2;
                chart.setOption(option, true);
            });
        });

    </script>


    <script>

        require([
            'echarts'
        ], function (echarts) {
            var chart = echarts.init(
                document.getElementById('main3'),
                null,
                {
                    renderer: 'svg'
                }
            );

            var option = {
                "series": [
                    {
                        "type": "pie",
                        "radius": ["40%", "70%"],
                        "animation": false,
                        "label": {
                            "show": false,
                            "emphasis": {
                                "show": true,
                                "textStyle": {
                                    "fontSize": "50"
                                }
                            }
                        },
                        "data": [
                            {"value": 335, "name": "A"}
                        ]
                    }
                ]
            };
            chart.setOption(option);
        });

    </script>
</body>

</html>