| <!DOCTYPE html> | 
 | <!-- | 
 | Licensed to the Apache Software Foundation (ASF) under one | 
 | or more contributor license agreements.  See the NOTICE file | 
 | distributed with this work for additional information | 
 | regarding copyright ownership.  The ASF licenses this file | 
 | to you under the Apache License, Version 2.0 (the | 
 | "License"); you may not use this file except in compliance | 
 | with the License.  You may obtain a copy of the License at | 
 |  | 
 |    http://www.apache.org/licenses/LICENSE-2.0 | 
 |  | 
 | Unless required by applicable law or agreed to in writing, | 
 | software distributed under the License is distributed on an | 
 | "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | 
 | KIND, either express or implied.  See the License for the | 
 | specific language governing permissions and limitations | 
 | under the License. | 
 | --> | 
 |  | 
 |  | 
 | <html> | 
 |     <head> | 
 |         <meta charset="utf-8"> | 
 |         <meta name="viewport" content="width=device-width, initial-scale=1" /> | 
 |         <script src="https://d3js.org/d3.v4.min.js"></script> | 
 |         <script src="lib/simpleRequire.js"></script> | 
 |         <script src="lib/config.js"></script> | 
 |         <script src="lib/jquery.min.js"></script> | 
 |         <script src="lib/facePrint.js"></script> | 
 |         <script src="lib/testHelper.js"></script> | 
 |         <!-- <script src="ut/lib/canteen.js"></script> --> | 
 |         <link rel="stylesheet" href="lib/reset.css" /> | 
 |     </head> | 
 |     <body> | 
 |         <style> | 
 |         </style> | 
 |  | 
 |  | 
 |  | 
 |         <div id="main0"></div> | 
 |         <div id="main1"></div> | 
 |  | 
 |         <script> | 
 |             window.ANIMATION_DURATION_UPDATE = 1000; | 
 |         </script> | 
 |  | 
 |  | 
 |         <script> | 
 |         require([ | 
 |             'echarts', | 
 |             // 'map/js/china', | 
 |             // './data/nutrients.json' | 
 |         ], function (echarts) { | 
 |             var option; | 
 |  | 
 |             var stratify = d3.stratify() | 
 |                 .parentId(function(d) { | 
 |                     return d.id.substring(0, d.id.lastIndexOf(".")); | 
 |                 }); | 
 |  | 
 |             function toPlainTree(root) { | 
 |                 return { | 
 |                     children: root.children && root.children.map(child => toPlainTree(child)), | 
 |                     value: root.value, | 
 |                     name: root.id.split('.').pop(), | 
 |                     id: root.id | 
 |                 } | 
 |             } | 
 |  | 
 |             d3.csv("data/flare.csv", function(error, rawData) { | 
 |                 if (error) throw error; | 
 |  | 
 |                 var root = stratify(rawData) | 
 |                     .sum(function(d) { | 
 |                         return d.value; | 
 |                     }) | 
 |                     .sort(function(a, b) { | 
 |                         return b.value - a.value; | 
 |                     }); | 
 |                 var maxDepth = 0; | 
 |  | 
 |                 var seriesDataLinear = root.descendants().map(function (node) { | 
 |                     maxDepth = Math.max(maxDepth, node.depth); | 
 |                     return [ | 
 |                         node.value, | 
 |                         node.depth, | 
 |                         node.id | 
 |                     ]; | 
 |                 }); | 
 |  | 
 |                 function renderItem(params, api) { | 
 |                     var context = params.context; | 
 |                     if (!context.layout) { | 
 |                         d3.pack() | 
 |                             .size([api.getWidth() - 2, api.getHeight() - 2]) | 
 |                             .padding(3)(root); | 
 |  | 
 |                         context.nodes = {}; | 
 |                         root.descendants().forEach(function (node, index) { | 
 |                             context.nodes[node.id] = { | 
 |                                 index: index, | 
 |                                 node: node | 
 |                             } | 
 |                         }); | 
 |                     } | 
 |  | 
 |                     var nodePath = api.value(2); | 
 |                     var node = context.nodes[nodePath].node; | 
 |                     var isLeaf = !node.children || !node.children.length; | 
 |  | 
 |                     var textFont = api.font({ | 
 |                         fontSize: 12, | 
 |                         fontFamily: 'Arial' | 
 |                     }); | 
 |  | 
 |                     var focus = new Uint32Array(node.descendants().map(function (node) { | 
 |                         return context.nodes[node.id].index; | 
 |                     })); | 
 |  | 
 |                     var nodeName = isLeaf ? nodePath.slice(nodePath.lastIndexOf('.') + 1).split(/(?=[A-Z][^A-Z])/g).join('\n') : ''; | 
 |  | 
 |                     var z2 = api.value(1) * 2; | 
 |  | 
 |                     return { | 
 |                         type: 'circle', | 
 |                         focus: focus, | 
 |                         shape: { | 
 |                             cx: node.x, | 
 |                             cy: node.y, | 
 |                             r: node.r | 
 |                         }, | 
 |                         z2: z2, | 
 |                         textContent: { | 
 |                             type: 'text', | 
 |                             style: { | 
 |                                 text: nodeName, | 
 |                                 width: node.r * 1.3, | 
 |                                 overflow: 'truncate', | 
 |                                 fontSize: node.r / 3 | 
 |                             }, | 
 |                             emphasis: { | 
 |                                 style: { | 
 |                                     overflow: null, | 
 |                                     fontSize: Math.max(node.r / 3, 12) | 
 |                                 } | 
 |                             } | 
 |                         }, | 
 |                         textConfig: { | 
 |                             position: 'inside' | 
 |                         }, | 
 |                         style: { | 
 |                             fill: api.visual('color'), | 
 |                             text: nodeName, | 
 |                             font: textFont, | 
 |                         }, | 
 |                         emphasis: { | 
 |                             style: { | 
 |                                 font: textFont, | 
 |                                 shadowBlur: 20, | 
 |                                 shadowOffsetX: 3, | 
 |                                 shadowOffsetY: 5, | 
 |                                 shadowColor: 'rgba(0,0,0,0.3)' | 
 |                             } | 
 |                         } | 
 |                     }; | 
 |                 } | 
 |  | 
 |                 var circlePackingOption = { | 
 |                     tooltip: {}, | 
 |                     visualMap: { | 
 |                         show: false, | 
 |                         min: 0, | 
 |                         max: maxDepth, | 
 |                         dimension: 1, | 
 |                         inRange: { | 
 |                             color: ['#006edd', '#e0ffff'] | 
 |                         } | 
 |                     }, | 
 |                     series: { | 
 |                         type: 'custom', | 
 |                         id: 'main', | 
 |                         renderItem: renderItem, | 
 |                         coordinateSystem: null, | 
 |                         animationDurationUpdate: ANIMATION_DURATION_UPDATE, | 
 |                         encode: { | 
 |                             tooltip: 0, | 
 |                             itemName: 2 | 
 |                         }, | 
 |                         universalTransition: { | 
 |                             enabled: true | 
 |                         }, | 
 |                         data: seriesDataLinear | 
 |                     } | 
 |                 }; | 
 |  | 
 |                 var treemapOption = { | 
 |                     series: { | 
 |                         type: 'treemap', | 
 |                         id: 'main', | 
 |                         data: toPlainTree(root).children, | 
 |                         animationDurationUpdate: ANIMATION_DURATION_UPDATE, | 
 |                         roam: false, | 
 |                         label: { | 
 |                             fontSize: 10 | 
 |                         }, | 
 |                         breadcrumb: { | 
 |                             show: false | 
 |                         }, | 
 |                         universalTransition: { | 
 |                             enabled: true | 
 |                         }, | 
 |                         itemStyle: { | 
 |                             color: '#ddd', | 
 |                             borderWidth: 2 | 
 |                         } | 
 |                     } | 
 |                 } | 
 |  | 
 |                 var sunburstOption = { | 
 |                     series: { | 
 |                         type: 'sunburst', | 
 |                         id: 'main', | 
 |                         data: toPlainTree(root).children, | 
 |                         animationDurationUpdate: ANIMATION_DURATION_UPDATE, | 
 |                         roam: false, | 
 |                         radius: ['20%', '90%'], | 
 |                         label: { | 
 |                             show: false | 
 |                         }, | 
 |                         breadcrumb: { | 
 |                             show: false | 
 |                         }, | 
 |                         universalTransition: { | 
 |                             enabled: true | 
 |                         }, | 
 |                         itemStyle: { | 
 |                             borderWidth: 1 | 
 |                         } | 
 |                     } | 
 |                 } | 
 |  | 
 |                 var chart = testHelper.create(echarts, 'main0', { | 
 |                     title: [ | 
 |                         'Custom Series: Universal Transition betwee treemap and circle packing ' | 
 |                     ], | 
 |                     recordVideo: true, | 
 |                     option: treemapOption, | 
 |                     height: 500, | 
 |                     buttons: [{ | 
 |                         text: 'Custom Circle Packing', | 
 |                         onclick: function () { | 
 |                             chart.setOption(circlePackingOption, true); | 
 |                         } | 
 |                     }, { | 
 |                         text: 'Treemap', | 
 |                         onclick: function () { | 
 |                             chart.setOption(treemapOption, true); | 
 |                         } | 
 |                     }, { | 
 |                         text: 'Sunburst', | 
 |                         onclick: function () { | 
 |                             chart.setOption(sunburstOption, true); | 
 |                         } | 
 |                     }], | 
 |                 }); | 
 |             }); | 
 |         }); | 
 |         </script> | 
 |  | 
 |  | 
 |         <script> | 
 |             require([ | 
 |                 'echarts' | 
 |             ], function (echarts) { | 
 |                 var pieData = [ | 
 |                     { value: 800, name: 'A' }, | 
 |                     { value: 635, name: 'B' }, | 
 |                     { value: 580, name: 'C' }, | 
 |                     { value: 484, name: 'D' }, | 
 |                     { value: 300, name: 'E' }, | 
 |                     { value: 200, name: 'F' } | 
 |                 ]; | 
 |                 const defaultPalette = [ | 
 |                     // '#51689b', '#ce5c5c', '#fbc357', '#8fbf8f', '#659d84', '#fb8e6a', '#c77288', '#786090', '#91c4c5', '#6890ba' | 
 |                     '#5470c6', | 
 |                     '#91cc75', | 
 |                     '#fac858', | 
 |                     '#ee6666', | 
 |                     '#73c0de', | 
 |                     '#3ba272', | 
 |                     '#fc8452', | 
 |                     '#9a60b4', | 
 |                     '#ea7ccc' | 
 |                 ]; | 
 |  | 
 |                 const radius = ['30%', '80%']; | 
 |  | 
 |                 var pieOption = { | 
 |                     series: [{ | 
 |                         type: 'pie', | 
 |                         center: ['50%', '50%'], | 
 |                         radius: radius, | 
 |                         label: { | 
 |                             show: false | 
 |                         }, | 
 |                         itemStyle: { | 
 |                             borderRadius: 0 | 
 |                         }, | 
 |                         universalTransition: { | 
 |                             enabled: true, | 
 |                             seriesKey: 'first' | 
 |                         }, | 
 |                         animationDurationUpdate: 1000, | 
 |                         data: pieData | 
 |                     }] | 
 |                 }; | 
 |  | 
 |  | 
 |                 var parliamentOption = (function () { | 
 |                     const sum = pieData.reduce((sum, cur) => { | 
 |                         return sum + cur.value; | 
 |                     }, 0); | 
 |  | 
 |                     const angles = []; | 
 |                     const startAngle = -Math.PI / 2; | 
 |                     let curAngle = startAngle; | 
 |                     pieData.forEach(item => { | 
 |                         angles.push(curAngle); | 
 |                         curAngle += (item.value / sum) * Math.PI * 2; | 
 |                     }); | 
 |                     angles.push(startAngle + Math.PI * 2); | 
 |                     function parliamentLayout(startAngle, endAngle, totalAngle, r0, r1, size) { | 
 |                         const rowsCount = Math.ceil((r1 - r0) / size); | 
 |                         const points = []; | 
 |  | 
 |                         let r = r0; | 
 |                         for (let i = 0; i < rowsCount; i++) { | 
 |                             // Recalculate size | 
 |                             const totalRingSeatsNumber = Math.round((totalAngle * r) / size); | 
 |                             const newSize = (totalAngle * r) / totalRingSeatsNumber; | 
 |                             for ( | 
 |                                 let k = Math.floor((startAngle * r) / newSize) * newSize; | 
 |                                 k < Math.floor((endAngle * r) / newSize) * newSize - 1e-6; | 
 |                                 k += newSize | 
 |                             ) { | 
 |                                 const angle = k / r; | 
 |                                 const x = Math.cos(angle) * r; | 
 |                                 const y = Math.sin(angle) * r; | 
 |                                 points.push([x, y]); | 
 |                             } | 
 |  | 
 |                             r += size; | 
 |                         } | 
 |  | 
 |                         return points; | 
 |                     } | 
 |                     return { | 
 |                         series: { | 
 |                             type: 'custom', | 
 |                             data: pieData, | 
 |                             coordinateSystem: undefined, | 
 |                             universalTransition: { | 
 |                                 enabled: true, | 
 |                                 seriesKey: 'first' | 
 |                             }, | 
 |                             animationDurationUpdate: 1000, | 
 |                             renderItem(params, api) { | 
 |                                 const idx = params.dataIndex; | 
 |                                 const viewSize = Math.min(api.getWidth(), api.getHeight()); | 
 |                                 const r0 = ((parseFloat(radius[0]) / 100) * viewSize) / 2; | 
 |                                 const r1 = ((parseFloat(radius[1]) / 100) * viewSize) / 2; | 
 |                                 const cx = api.getWidth() * 0.5; | 
 |                                 const cy = api.getHeight() * 0.5; | 
 |                                 const size = 15; | 
 |  | 
 |                                 const points = parliamentLayout( | 
 |                                     angles[idx], | 
 |                                     angles[idx + 1], | 
 |                                     Math.PI * 2, | 
 |                                     r0, | 
 |                                     r1, | 
 |                                     size + 3 | 
 |                                 ); | 
 |  | 
 |                                 return { | 
 |                                     type: 'group', | 
 |                                     children: points.map(pt => { | 
 |                                         return { | 
 |                                             type: 'circle', | 
 |                                             autoBatch: true, | 
 |                                             shape: { | 
 |                                                 cx: cx + pt[0], | 
 |                                                 cy: cy + pt[1], | 
 |                                                 r: size / 2 | 
 |                                             }, | 
 |                                             style: { | 
 |                                                 fill: defaultPalette[idx % defaultPalette.length] | 
 |                                             } | 
 |                                         }; | 
 |                                     }) | 
 |                                 }; | 
 |                             } | 
 |                         } | 
 |                     }; | 
 |                 })(); | 
 |  | 
 |                 var chart = testHelper.create(echarts, 'main1', { | 
 |                     title: [ | 
 |                         'Parliament and pie chart.' | 
 |                     ], | 
 |                     recordVideo: true, | 
 |                     option: pieOption, | 
 |                     height: 500, | 
 |                     buttons: [{ | 
 |                         text: 'Parliament chart', | 
 |                         onclick: function () { | 
 |                             chart.setOption(parliamentOption, true); | 
 |                         } | 
 |                     }, { | 
 |                         text: 'Pie chart', | 
 |                         onclick: function () { | 
 |                             chart.setOption(pieOption, true); | 
 |                         } | 
 |                     }], | 
 |                 }); | 
 |             }); | 
 |             </script> | 
 |  | 
 |     </body> | 
 | </html> | 
 |  |