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关于策略图表的副图问题
标题：关于策略图表的副图问题 内容： python语言，能否创建多个副图？希望不同的计算指标显示在不同的副图上，便于分析。目前策略图表只有一个副图，通过plot画在副图上的不同计算指标，都显示在一张副图上，由于各指标值域范围相差极大，各曲线可观性很差。
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All comments (4)
您可以参考这样设计。
javascript
var chartCfg = {
tooltip: {
xDateFormat: '%Y-%m-%d %H:%M:%S, %A'
},
legend: {
enabled: true,
},
plotOptions: {
candlestick: {
color: '#d75442',
upColor: '#6ba583'
}
},
rangeSelector: {
buttons: [{
type: 'hour',
count: 1,
text: '1h'
}, {
type: 'hour',
count: 3,
text: '3h'
}, {
type: 'hour',
count: 8,
text: '8h'
}, {
type: 'all',
text: 'All'
}],
selected: 2,
inputEnabled: true
},
series: [{
type: 'candlestick',
name: 'BTC/USD',
id: 'primary',
data: [],
}, {
type: 'line',
name: 'RSI',
data: [],
yAxis: 1, // 绑定副图1
color: '#1a1a1c',
}, {
type: 'line',
name: 'RSI2',
data: [],
yAxis: 2, // 绑定副图2
color: '#ff5733',
}],
yAxis: [{
height: '50%', // 主图
resize: {
enabled: true
},
}, {
top: '55%', // 副图1（RSI）
height: '20%',
offset: 0,
opposite: true,
}, {
top: '80%', // 副图2（RSI2），避免与副图1重叠
height: '20%',
offset: 0,
opposite: true,
}],
};
function main() {
let c = Chart(chartCfg);
let preBarTime = 0;
while (true) {
var records = exchange.GetRecords();
if (records.length <= 0) {
continue;
}
var rsi = TA.RSI(records, 14);
for (let i = 0; i < records.length; i++) {
if (records[i].Time > preBarTime) {
if (i != 0) {
c.add(0, [records[i - 1].Time, records[i - 1].Open, records[i - 1].High, records[i - 1].Low, records[i - 1].Close], -1); // OHLC
c.add(1, [records[i - 1].Time, rsi[i - 1]], -1); // RSI
c.add(2, [records[i - 1].Time, rsi[i - 1]], -1); // RSI
}
c.add(0, [records[i].Time, records[i].Open, records[i].High, records[i].Low, records[i].Close]); // OHLC
c.add(1, [records[i].Time, rsi[i]]); // RSI
c.add(2, [records[i].Time, rsi[i]]); // RSI
preBarTime = records[i].Time;
} else if (records[i].Time == preBarTime) {
c.add(0, [records[i].Time, records[i].Open, records[i].High, records[i].Low, records[i].Close], -1); // OHLC
c.add(1, [records[i].Time, rsi[i]], -1); // RSI
c.add(2, [records[i].Time, rsi[i]], -1); // RSI
}
}
c.update(chartCfg)
Sleep(1000)
}
}
2 years ago
- 1