2015-05-06 52 views
0

我使用C#和ZedGraph库在时间和温度之间绘制图形。输入值从文本文件中读取。图表曲线预计会有所进展,但曲线不是渐进的,它将与点不相关,而是在图表中正确绘制点。C#Zedgraph,图形跳转

enter image description here

这里是我的代码..

private void Form2_Load(object sender, EventArgs e) 
    { 
    GraphPane myPane = Gcontrol.GraphPane; 

    // Set the title and axis labels 
    myPane.Title.Text = "Date Time Chart"; 
    myPane.XAxis.Title.Text = "TimeFrame"; 
    myPane.YAxis.Title.Text = "Temperature"; 

    //List to hold Points to be plotted 
    PointPairList pList = new PointPairList(); 

    SampleData sd = new SampleData(); 
    sd.getSampleData(); 


    for (int i = 0; i < sd.x.Count; i++) 
    { 
     pList.Add(sd.x[i],sd.y[i]); 
    } 

    LineItem curve = myPane.AddCurve("Points", pList, Color.Black, SymbolType.Diamond); 
    curve.Line.IsSmooth = true; 
    myPane.XAxis.Type = AxisType.Date; 
    myPane.XAxis.Scale.FontSpec.Angle = 65; 
    myPane.XAxis.Scale.MajorStep = 1; 
    myPane.XAxis.Scale.MajorUnit = DateUnit.Hour; 
    myPane.XAxis.Scale.MinorUnit = DateUnit.Hour; 
    myPane.XAxis.Scale.Format = "dd-MMM-yy HH:MM"; 
    Gcontrol.AxisChange(); 

} 

SampleDataClass:

class SampleData 
{ 
    public List<double> x = new List<double>(); 
    public List<double> y = new List<double>(); 

    public void getSampleData() 
    {    

     string[] lines = System.IO.File.ReadAllLines("input.txt"); 
     foreach (string line in lines) 
     { 
      x.Add(new XDate(Convert.ToDateTime(line.Split(',')[0].Trim())));     
      y.Add(Convert.ToDouble(line.Split(',')[4].Trim())); 

     } 

    } 
} 

input.txt的文件的内容:第1栏包含时间和第5列包含温度

input.txt file contents

+0

你尝试过调试和观察数据,你读过之后,确保你已经正确解释了一切?我看到例如你在文件中有AM/PM,这是正确的读取和解析? –

+0

@Karlsen。是的,我已经把调试点和检查时间,他们正在阅读和解释正确。我甚至发现图形点完全被绘制出来。它只是不是逐步移动的曲线。 – jaycyborg

回答

1

终于找到了,我必须设置

curve.Line.IsSmooth = false; 

(或)彻底清除线

curve.Line.IsSmooth = true;