/** * Change the data set of the Frame, that redraws the entire frame. * * @param dataAsArray New data to show. */ public void updateDataSet(CustomTimeSeriesDataItem[] dataAsArray) { timeSeries.clear(); int currentItem = 1; for (CustomTimeSeriesDataItem dataItem : dataAsArray) { timeSeries.addOrUpdate(new Year(currentItem), dataItem.getValue()); currentItem++; } }
public void clearAllData() { int len = timeseriescollection.getSeriesCount(); if (len != 0) { for (int i = 0; i < len; i++) { timeseriescollection.getSeries(i).clear(); } m_average.clear(); } }
public static IntervalXYDataset createDatasetBar() throws Exception { IntervalXYDataset dataset1 = null; Object[][] chart = null; Object[][] chart_qu = null; TCarRecordDao tdao = new TCarRecordDao(); TimeSeries s1, s2; TimeSeriesCollection dataset = new TimeSeriesCollection(); try { if (type == 0) { // 从DAO层获得数据,以天为统计单位,数据线以天为单位 chart = tdao.getCarRecodebyTimearea_day(timefrom, timeto, 1); chart_qu = tdao.getCarRecodebyTimearea_day(timefrom, timeto, 0); s1 = new TimeSeries("入场柱形", Day.class); s2 = new TimeSeries("出场柱形", Day.class); } else { // 传进DAO层的数据是年月,数据线以月的单位 Date date = java.sql.Date.valueOf(timefrom); Date date_t = java.sql.Date.valueOf(timeto); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); String newdate_from = sdf.format(date); String timefrom_temp = newdate_from.substring(0, 7); String newdate_to = sdf.format(date_t); String timeto_temp = newdate_to.substring(0, 7); chart = tdao.getCarRecodebyTimearea_month(timefrom_temp, timeto_temp, 1); chart_qu = tdao.getCarRecodebyTimearea_month(timefrom_temp, timeto_temp, 0); s1 = new TimeSeries("入场柱形", Month.class); s2 = new TimeSeries("出场柱形", Month.class); } s1.clear(); Date d, min_r = null, min_c = null, max_r = null, max_c = null; double h; if (chart != null && chart.length > 0) { // 数据为空的处理 System.out.println("ff"); min_r = (Date) chart[0][1]; max_r = (Date) chart[0][1]; for (int i = 0; i < chart.length; i++) { d = (Date) chart[i][1]; if (d.before(min_r)) min_r = d; if (d.after(max_r)) max_r = d; h = new Double(chart[i][0].toString()); // 添加数据,0是以天为单位,1是以月为单位 if (type == 0) s1.add(new Day(d.getDate(), (d.getMonth() + 1), (d.getYear() + 1900)), h); else s1.add(new Month((d.getMonth() + 1), (d.getYear() + 1900)), h); } dataset.addSeries(s1); } else s1 = null; s2.clear(); if (chart_qu != null && chart_qu.length > 0) { min_c = (Date) chart_qu[0][1]; max_c = (Date) chart_qu[0][1]; for (int i = 0; i < chart_qu.length; i++) { d = (Date) chart_qu[i][1]; if (d.before(min_c)) min_c = d; if (d.after(max_c)) max_c = d; h = new Double(chart_qu[i][0].toString()); if (type == 0) s2.add(new Day(d.getDate(), (d.getMonth() + 1), (d.getYear() + 1900)), h); else s2.add(new Month((d.getMonth() + 1), (d.getYear() + 1900)), h); } dataset.addSeries(s2); } else s2 = null; // 取得有数据的时间段的开始和结束 if (min_c != null && min_r != null) min = min_c.before(min_r) ? min_c : min_r; else if (min_c != null) min = min_c; else if (min_r != null) min = min_r; else min = null; if (max_c != null && max_r != null) max = max_c.before(max_r) ? max_r : max_c; else if (max_c != null) max = max_c; else if (max_r != null) max = max_r; else max = null; int seriesCount = dataset.getSeriesCount(); // 一共有多少个序列,目前为一个 for (int i = 0; i < seriesCount; i++) { int itemCount = dataset.getItemCount(i); // 每一个序列有多少个数据项 for (int j = 0; j < itemCount; j++) { if (highValue_Y < dataset.getYValue(i, j)) { // 取第i个序列中的第j个数据项的最大值 highValue_Y = (int) dataset.getYValue(i, j); } if (minValue_Y > dataset.getYValue(i, j)) { // 取第i个序列中的第j个数据项的最小值 minValue_Y = (int) dataset.getYValue(i, j); } } } dataset1 = dataset; return dataset1; } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); return dataset1; } }
@Override public void clearSeries() { velocitySeries.clear(); accelerationSeries.clear(); }