itemSymbol in the visualMap (piecewise) can't be set

[jarben]

Version: 3.5.4

Seems like itemSymbol can't be changed to "circle" or other values in visualMap:

[yueshuiniao]

同样碰到这个问题

[hoganjobs]

目前使用中也遇到这个问题，不知道这个问题是否修复了？

[lauraxm]

@Ovilia itemSymbol issue

[sophia1024]

2021年了，itemSymbol依旧不生效

[sophia1024]

$.get(ROOT_PATH + '/data/asset/data/aqi-beijing.json', function (data) {
myChart.setOption(option = {
title: {
text: 'Beijing AQI'
},
tooltip: {
trigger: 'axis'
},
xAxis: {
data: data.map(function (item) {
return item[0];
})
},
yAxis: {
splitLine: {
show: false
}
},
toolbox: {
left: 'center',
feature: {
dataZoom: {
yAxisIndex: 'none'
},
restore: {},
saveAsImage: {}
}
},
dataZoom: [{
startValue: '2014-06-01'
}, {
type: 'inside'
}],
visualMap: {
top: 10,
itemWidth: 10,
itemHeight: 10,
itemSymbol:'diamond',
inRange: {
color: ['#121122', 'rgba(3,4,5,0.4)', 'red'],
},
outOfRange:{
color: '#999',
symbol: 'pin',
},
right: 10,
pieces: [{
gt: 0,
lte: 50,
color: '#96',
symbol: 'pin',
}, {
gt: 50,
lte: 100,
color: '#ffde33',
symbolSize: 12,
symbol: 'diamond',
}, {
gt: 100,
lte: 150,
color: '#ff9933',
symbol: 'circle',
}, {
gt: 150,
lte: 200,
color: '#cc0033'
}, {
gt: 200,
lte: 300,
color: '#660099',
symbol: 'diamond',
}, {
gt: 300,
color: '#7e0023'
}],
},
series: {
name: 'Beijing AQI',
type: 'line',
symbol:"arrow",
data: data.map(function (item) {
return item[1];
}),
markLine: {
silent: true,
data: [{
yAxis: 50
}, {
yAxis: 100
}, {
yAxis: 150
}, {
yAxis: 200
}, {
yAxis: 300
}]
}
}
});
});