/* | |
title: Aggregate Morphing Between Scatter and Pie | |
category: custom | |
titleCN: 聚合分割形变(散点图 - 饼图) | |
difficulty: 9 | |
*/ | |
var PIE_COLORS = [ | |
'#e06343', '#37a354', '#b55dba', '#b5bd48', '#8378EA', '#96BFFF' | |
]; | |
var ANIMATION_DURATION_UPDATE = 1500; | |
var RAW_DATA = [[1425139200000,34,0.13,2,"MD","ZD","P0"],[1425225600000,28,0.71,1.5,"MB","ZD","P1"],[1425312000000,23,0.9,2.8,"MA","ZC","P2"],[1425398400000,21,0.58,6,"MB","ZC","P3"],[1425484800000,14,0.1,1.6,"MC","ZA","P4"],[1425571200000,21,0.6,7.7,"MC","ZA","P5"],[1425657600000,23,0.31,2.6,"MC","ZC","P6"],[1425744000000,34,0.74,2.4,"MD","ZE","P7"],[1425830400000,14,0.59,2.3,"MB","ZD","P8"],[1425916800000,18,0.85,5.1,"MB","ZB","P9"],[1426003200000,36,0.96,1.2,"MC","ZC","P10"],[1426089600000,18,0.28,2.5,"MA","ZC","P11"],[1426176000000,20,0.62,6,"MB","ZD","P12"],[1426262400000,32,0.79,1.7,"MB","ZA","P13"],[1426348800000,17,0.58,4.4,"MD","ZB","P14"],[1426435200000,23,0.77,3,"MB","ZA","P15"],[1426521600000,39,0.87,4.6,"MC","ZA","P16"],[1426608000000,15,0.7,6,"MB","ZC","P17"],[1426694400000,21,0.94,2.7,"MB","ZD","P18"],[1426780800000,28,0.48,4.5,"MC","ZC","P19"],[1426867200000,31,0.49,9.8,"MA","ZC","P20"],[1426953600000,27,0.87,7.7,"MB","ZB","P21"],[1427040000000,27,0.82,5.5,"MC","ZB","P22"],[1427126400000,11,0.53,2.7,"MD","ZC","P23"],[1427212800000,13,0.7,7.6,"MB","ZD","P24"],[1427299200000,39,0.99,4.8,"MB","ZD","P25"],[1427385600000,32,0.91,2.1,"MB","ZE","P26"],[1427472000000,20,0.97,5,"MB","ZA","P27"],[1427558400000,36,0.01,8.9,"MB","ZD","P28"],[1427644800000,22,0.08,9.2,"MB","ZE","P29"],[1427731200000,21,0.36,3.1,"MD","ZC","P30"],[1427817600000,11,0.15,5.8,"MD","ZB","P31"],[1427904000000,39,0.02,1.4,"MC","ZD","P32"],[1427990400000,20,0.86,8.7,"MB","ZD","P33"],[1428076800000,23,0.24,7.2,"MD","ZB","P34"],[1428163200000,12,0.06,2,"MD","ZB","P35"],[1428249600000,36,0.42,8.2,"MA","ZB","P36"],[1428336000000,17,0.48,7.5,"MB","ZC","P37"],[1428422400000,19,0.12,6.6,"MB","ZB","P38"],[1428508800000,39,0.58,3.1,"MC","ZE","P39"],[1428595200000,10,0.18,6.6,"MC","ZD","P40"],[1428681600000,22,0.28,2.1,"MB","ZE","P41"],[1428768000000,27,0.33,1.9,"MC","ZB","P42"],[1428854400000,37,0.46,9.4,"MD","ZE","P43"],[1428940800000,18,0.96,5.5,"MB","ZA","P44"],[1429027200000,11,0.61,8.2,"MD","ZC","P45"],[1429113600000,15,0.88,4.6,"MD","ZA","P46"],[1429200000000,38,0.89,7.2,"MD","ZC","P47"],[1429286400000,20,0.39,5.4,"MB","ZB","P48"],[1429372800000,30,0.71,5.5,"MA","ZA","P49"]]; | |
$.when( | |
$.getScript('https://cdn.jsdelivr.net/npm/echarts-simple-transform@1.0.0/dist/ecSimpleTransform.min.js') | |
).done(function () { | |
init(); | |
var currentIsPie = false; | |
setScatterOption(); | |
setInterval(function () { | |
if (currentIsPie) { | |
currentIsPie = false; | |
setScatterOption(); | |
} | |
else { | |
currentIsPie = true; | |
setPieOption(); | |
} | |
}, 3000); | |
}); | |
function init() { | |
echarts.registerTransform(ecSimpleTransform.aggregate); | |
var baseOption = { | |
dataset: [{ | |
id: 'raw_dataset', | |
dimensions: ['DATE', 'COUNT', 'PRICE', 'WEIGHT', 'M_TAG', 'Z_TAG', 'ID'], | |
source: RAW_DATA | |
}, { | |
id: 'mTagSum_dataset', | |
fromDatasetId: 'raw_dataset', | |
transform: { | |
type: 'ecSimpleTransform:aggregate', | |
config: { | |
resultDimensions: [ | |
{ from: 'COUNT', method: 'sum' }, | |
{ from: 'PRICE', method: 'sum' }, | |
{ from: 'WEIGHT', method: 'sum' }, | |
{ from: 'M_TAG' } | |
], | |
groupBy: 'M_TAG' | |
} | |
} | |
}], | |
tooltip: {} | |
}; | |
myChart.setOption(baseOption, { lazyUpdate: true }); | |
} | |
function setScatterOption() { | |
var option = { | |
grid: { | |
containLabel: true | |
}, | |
xAxis: { | |
name: 'PRICE' | |
}, | |
yAxis: { | |
name: 'COUNT' | |
}, | |
series: { | |
type: 'custom', | |
coordinateSystem: 'cartesian2d', | |
animationDurationUpdate: ANIMATION_DURATION_UPDATE, | |
datasetId: 'raw_dataset', | |
encode: { | |
itemName: 'ID', | |
x: 'PRICE', | |
y: 'COUNT', | |
tooltip: ['PRICE', 'COUNT', 'WEIGHT'] | |
}, | |
renderItem: function (params, api) { | |
var pos = api.coord([ | |
api.value('PRICE'), | |
api.value('COUNT') | |
]); | |
return { | |
type: 'circle', | |
morph: true, | |
shape: { | |
cx: pos[0], | |
cy: pos[1], | |
r: 10 | |
}, | |
style: { | |
fill: '#5470c6' | |
}, | |
transition: ['shape', 'style'] | |
}; | |
} | |
} | |
}; | |
myChart.setOption(option, { | |
replaceMerge: ['xAxis', 'yAxis'], | |
transition: { | |
from: { seriesIndex: 0, dimension: 'M_TAG' }, | |
to: { seriesIndex: 0, dimension: 'M_TAG' } | |
} | |
}); | |
} | |
function setPieOption() { | |
var option = { | |
series: { | |
type: 'custom', | |
coordinateSystem: 'none', | |
animationDurationUpdate: ANIMATION_DURATION_UPDATE, | |
datasetId: 'mTagSum_dataset', | |
encode: { | |
itemName: 'ID', | |
value: 'COUNT', | |
tooltip: ['PRICE', 'COUNT', 'WEIGHT'] | |
}, | |
renderItem: function (params, api) { | |
var context = params.context; | |
if (!context.layout) { | |
context.layout = true; | |
var totalValue = 0; | |
for (var i = 0; i < params.dataInsideLength; i++) { | |
totalValue += api.value('COUNT', i); | |
} | |
var angles = []; | |
var colors = []; | |
var currentAngle = -Math.PI / 2; | |
for (var i = 0; i < params.dataInsideLength; i++) { | |
colors.push(PIE_COLORS[i]); | |
var angle = api.value('COUNT', i) / totalValue * Math.PI * 2; | |
angles.push([currentAngle, angle + currentAngle - 0.01]); | |
currentAngle += angle; | |
} | |
context.angles = angles; | |
context.colors = colors; | |
} | |
var width = myChart.getWidth(); | |
var height = myChart.getHeight(); | |
return { | |
type: 'sector', | |
morph: true, | |
shape: { | |
cx: width / 2, | |
cy: height / 2, | |
r: Math.min(width, height) / 3, | |
r0: Math.min(width, height) / 5, | |
startAngle: context.angles[params.dataIndex][0], | |
endAngle: context.angles[params.dataIndex][1], | |
clockwise: true | |
}, | |
style: { | |
fill: context.colors[params.dataIndex] | |
}, | |
transition: ['shape', 'style'] | |
}; | |
} | |
} | |
}; | |
myChart.setOption(option, { | |
replaceMerge: ['xAxis', 'yAxis', 'viusalMap'], | |
transition: { | |
from: { seriesIndex: 0, dimension: 'M_TAG' }, | |
to: { seriesIndex: 0, dimension: 'M_TAG' } | |
} | |
}); | |
} |