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visualMap: {
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top: 'top',
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//max:500,
pieces: [ // 不指定 max，表示 max 为无限大（Infinity）。
{
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max: 20
}, {
min: 3,
max: 5
}, {
min: 2,
max: 3
}, {
min: 1,
max: 1
},
],
splitNumber: 5,
//seriesIndex: 0,
//calculable: true,
color: ['red', 'blue', 'yellow', 'black', 'green'],
//inRange: {
// color: ['blue','red','green','black','yellow']
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symbolSize: 20,
blurSize: 6
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bmap: {
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zoom: 11.8,
roam: true,
mapStyle: {
styleJson: [{
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'elementType': 'all',
'stylers': {
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}, {
'featureType': 'land',
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'stylers': {
'color': '#f3f3f3'
}
}, {
'featureType': 'railway',
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'stylers': {
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}
}, {
'featureType': 'highway',
'elementType': 'all',
'stylers': {
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}, {
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'elementType': 'labels',
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}
}, {
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'stylers': {
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}
}, {
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}, {
'featureType': 'poi',
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}, {
'featureType': 'green',
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'stylers': {
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}
}, {
'featureType': 'subway',
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'stylers': {
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}
}, {
'featureType': 'manmade',
'elementType': 'all',
'stylers': {
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}, {
'featureType': 'local',
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}, {
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}, {
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}, {
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'stylers': {
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}
}, {
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'stylers': {
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