[英]Jfree:how do CandleStick chart with hour period
I want make candle chart(android) with hourly period, and looking the afreeChart library for use.我想以小时为单位制作蜡烛图(android),并查看 afreeChart 库以供使用。 Afreechart based on the jfreeCharts.
基于 jfreeCharts 的 Afreechart。
I have an example a candlestick with daily period:我有一个带有每日周期的烛台示例:
public static OHLCDataset createDataset1() {公共静态 OHLCDataset createDataset1() {
Date[] date = new Date[47];
double[] high = new double[47];
double[] low = new double[47];
double[] open = new double[47];
double[] close = new double[47];
double[] volume = new double[47];
int jan = 1;
int feb = 2;
for(int i = 0; i < 47; i++) {
if(i <= 27) {
date[i] = createDate(2001, jan, i+4, 12, 0);
} else {
date[i] = createDate(2001, feb, i-27, 12, 0);
}
high[i] = 45 + Math.random() * 20;
low[i] = high[i] - (Math.random() * 30 + 3);
do {
open[i] = high[i] - Math.random() * (high[i] - low[i]);
close[i] = low[i] + Math.random() * (high[i] - low[i]);
} while(Math.abs(open[i] - close[i]) < 1);
}
return new DefaultHighLowDataset("Series 1", date, high, low, open, close, volume);
}
private static final Calendar calendar = Calendar.getInstance();
/**
* Returns a date using the default locale and timezone.
* @param y the year (YYYY).
* @param m the month (1-12).
* @param d the day of the month.
* @param hour the hour of the day.
* @param min the minute of the hour.
* @return A date.
*/
private static Date createDate(int y, int m, int d, int hour, int min) {
calendar.clear();
calendar.set(y, m - 1, d, hour, min);
return calendar.getTime();
}
DefaultHighLowDataset don't work with not Date values. DefaultHighLowDataset 不适用于非日期值。 I looking OHLC class in Developer Guide Jfreechart but don't find hourly methods.
我在开发人员指南 Jfreechart 中查找 OHLC 类,但没有找到每小时方法。 How create one candle every hour period instead of one candle every date period?
如何每小时创建一根蜡烛,而不是每个日期期间创建一根蜡烛? Maybe someone have example?
也许有人有例子? Thank you!
谢谢!
Among the implementations of OHLCDataset
, OHLCSeriesCollection
includes addSeries(OHLCSeries series)
.在
OHLCDataset
的实现中, OHLCSeriesCollection
包括addSeries(OHLCSeries series)
。 An OHLCSeries
allows one to add(RegularTimePeriod period, …)
, and RegularTimePeriod
includes the subclass Hour
. OHLCSeries
允许add(RegularTimePeriod period, …)
,而RegularTimePeriod
包含子类Hour
。 An example using Hour
is discussed here .此处讨论了使用
Hour
的示例。
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