[英]Draw line over candle chart on amchart
我正在使用amchart股票圖表
function createStockChart() {
var chart = new AmCharts.AmStockChart();
var dataSet = new AmCharts.DataSet();
// make candlechart
dataSet.fieldMappings = [{
fromField: "open",
toField: "open"
}, {
fromField: "close",
toField: "close"
}, {
fromField: "high",
toField: "high"
}, {
fromField: "low",
toField: "low"
}, {
fromField: "volume",
toField: "volume"
}, {
fromField: "testValue",
toField: "testValue"
}];
dataSet.dataProvider = chartData;
dataSet.categoryField = "date";
// make line to be drawn on the candle stock
var dataSet2 = new AmCharts.DataSet();
dataSet2.fieldMappings = [{
fromField: "close",
toField: "value"
}];
dataSet2.color = "#33888a";
dataSet2.dataProvider = chartData;
dataSet2.compared = false; // if I made here true, the line appears but it will be shown as percentage!!.
dataSet2.title = "Open";
dataSet2.categoryField = "date";
我想在蠟燭圖上畫一條線。
如果對compared
字段使用true
,則該線將顯示在蠟燭部分上,但Y軸將變為百分比。
沒錯,因為它是用於比較功能。
但是我只想添加圖表而不是為了比較。
如何簡單地在蠟燭圖上畫一條線?
您可以在面板對象中將recalculateToPercents
設置為"never"
,以防止圖表使用百分比,而只需添加線條即可。 知識庫中對此有更詳細的說明
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