[英]How to set ColumnBar series to a chart
我想投影具有給定寬度的列(ei從16-05-03 12:00:00到16-07-26 12:00:00)並且它沿x軸投影(ei標簽bool,int, long,bool,int long)(見下圖)。
為此,我有2個圖表區域都具有相同的參數。
private void AddChartAreas(string name)
{
// AxisX
chart1.ChartAreas.Add(name);
chart1.ChartAreas[name].AxisX.MajorGrid.Enabled = false;
chart1.ChartAreas[name].AxisX.Interval = 1;
// AxisY
chart1.ChartAreas[name].AxisY.ScrollBar.Enabled = true;
chart1.ChartAreas[name].AxisY.ScaleView.Zoomable = true;
chart1.ChartAreas[name].AxisY.MajorGrid.Enabled = false;
chart1.ChartAreas[name].AxisY.LabelStyle.Format = "yyyy-MM-dd hh:mm:ss";
chart1.ChartAreas[name].AxisY.Interval = 0;
chart1.ChartAreas[name].AxisY.IntervalType = DateTimeIntervalType.Years;
minDate = new DateTime(2016, 01, 01, 00, 00, 00, 000);
maxDate = new DateTime(2016, 12, 01, 00, 00, 00, 000); // or DateTime.Now;
chart1.ChartAreas[name].AxisY.Minimum = minDate.ToOADate();
chart1.ChartAreas[name].AxisY.Maximum = maxDate.ToOADate();
chart1.ChartAreas[name].AxisY.LabelStyle.IsEndLabelVisible = true;
chart1.ChartAreas[name].AxisY.IsLabelAutoFit = true;
chart1.ChartAreas[name].AxisY.LabelStyle.ForeColor = Color.Yellow;
chart1.ChartAreas[name].Axes[0].Enabled = AxisEnabled.False;
chart1.ChartAreas[name].Axes[1].Enabled = AxisEnabled.False;
chart1.ChartAreas[name].BackColor = Color.Transparent;
chart1.ChartAreas[name].Position.Height = 100;
chart1.ChartAreas[name].Position.Width = 100;
chart1.ChartAreas[name].InnerPlotPosition.Height = 90;
chart1.ChartAreas[name].InnerPlotPosition.Width = 80;
chart1.ChartAreas[name].InnerPlotPosition.X = 10;
}
第一個圖表區域( 條形系列 )創建如下:
var series = new Series {
Name = "S1",
Color = Color.LightSlateGray,
ChartType = SeriesChartType.Bar
};
chart1.Series.Add(series);
第二個圖表區域( 范圍列系列 ):
var series = new Series {
Name = "S2",
Color = Color.LightSlateGray,
ChartType = SeriesChartType.RangeColumn
};
chart1.Series.Add(series);
要為條形圖系列添加點,只需為x,y綁定2個列表:
var lables = new string[6];
var values = new DateTime[6];
minDate = new DateTime(2016, 01, 01, 00, 00, 00, 000);
// Dummy data
lables[0] = "bool";
lables[1] = "int";
lables[2] = "long";
lables[3] = "bool";
lables[4] = "int";
lables[5] = "long";
// Dummy data
values[0] = minDate.AddMonths(10);
values[1] = minDate.AddMonths(10);
values[2] = minDate.AddMonths(10);
values[3] = minDate.AddMonths(10);
values[4] = minDate.AddMonths(10);
values[5] = minDate.AddMonths(10);
// Simply bind 2 lists
series[0].Points.DataBindXY(lables, values);
對於色譜柱系列 :
pointIndex = series[1].Points.AddXY(values2[1], values2[5]);
現在它看起來像這樣:
如何讓它看起來像第一張照片。
我想出了一個解決方案。
我創建一個范圍欄系列並將PointWidth
設置為5
而不是范圍列 :
var series = new Series {
Name = "S2",
Color = Color.LightSlateGray,
ChartType = SeriesChartType.Rangebar
};
series["PointWidth"] = "5";
chart1.Series.Add(series);
比繪圖時:
minDate = new DateTime(2016, 01, 01, 00, 00, 00, 000);
values2[0] = minDate.AddMonths(1);
values2[1] = minDate.AddMonths(2);
pointIndex = series2.Points.AddXY(values2[1], values2[1]);
這將給我我想要的結果。
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