private Point GetPowerPointByOriginal(P_V_Point oriPoint)
{
double X = _CvsRect.X + oriPoint.Voltage * (double)_CvsRect.Width / CurvesCurrent;
double Y = _CvsRect.Y + (375 - oriPoint.Pmax) * (double)_CvsRect.Height / 375;
Point point = new Point();
point.X = (int)X;
point.Y = (int)Y;
return(point);
}
/// <summary>
/// 根据坐标点画曲线
/// </summary>
/// <param name="graph"></param>
private void DrawCurvas(Graphics graph)
{
//Pen pointPen = null;
Pen curvasPen = null;
// if (_OriPointList == null) return;
try
{
if (OldoriPointArray.Length == 3)
{
//pointPen = curvasPen = new Pen(Color.Red, 1);
//画所有数据点
curvasPen = new Pen(Color.Blue, 1);
if (_CurvasPointList != null)
{
graph.DrawLines(curvasPen, _CurvasPointList.ToArray());
}
// 画功率曲线 Add by genhong.hu On 2016-06-02
curvasPen = new Pen(Color.Red, 1);
if (_PowerPointList != null)
{
graph.DrawLines(curvasPen, _PowerPointList.ToArray());
}
}
else // HR原厂商写的 标签
{
_PowerPointList = new List <Point>();
_CurvasPointList = new List <Point>();
foreach (I_V_Point oriPoint in OldoriPointArray)
{
_CurvasPointList.Add(GetPointByOriginal(oriPoint));
// add by genhong.hu On 2016-06-02 增加功率曲线
P_V_Point pmaxpoint = new P_V_Point();
pmaxpoint.Pmax = oriPoint.Current * oriPoint.Voltage;
pmaxpoint.Voltage = oriPoint.Voltage;
_PowerPointList.Add(GetPowerPointByOriginal(pmaxpoint));
}
curvasPen = new Pen(Color.Blue, 1);
if (_CurvasPointList != null)
{
graph.DrawLines(curvasPen, _CurvasPointList.ToArray());
}
// 画功率曲线 Add by genhong.hu On 2016-06-02
curvasPen = new Pen(Color.Red, 1);
if (_PowerPointList != null)
{
graph.DrawLines(curvasPen, _PowerPointList.ToArray());
}
}
}
catch (Exception)
{
}
finally
{
//if (pointPen != null) pointPen.Dispose();
if (curvasPen != null)
{
curvasPen.Dispose();
}
}
}
/// <summary>
/// 设置真实的数据点，并根据需要计算插值
/// </summary>
/// <param name="oriPointArray">真实的数据点</param>
/// <param name="evalAll">是否需要计算所有数据点</param>
public void SetOriginalPoints(I_V_Point[] oriPointArray, bool evalAll)
{
OldoriPointArray = oriPointArray;
//#region 2013-06-03 曲线异常Bug修改,如果倒数第二个点靠近最后一个点，则移除
I_V_Point[] pointArray = null;
//if (oriPointArray != null)
//{
// int oriLen = oriPointArray.Length;
// if (oriPointArray[oriLen - 2].Current < 0.5)
// {
// pointArray = new I_V_Point[oriLen - 1];
// Array.Copy(oriPointArray, pointArray, oriLen - 1);
// pointArray[oriLen - 2].Current = oriPointArray[oriLen - 1].Current;
// pointArray[oriLen - 2].Voltage = oriPointArray[oriLen - 1].Voltage;
// }
// else
// {
// pointArray = oriPointArray;
// }
//}
//#endregion
_OriPointList = new List <Point>();
_CurvasPointList = new List <Point>();
_PowerPointList = new List <Point>();// add by genhong.hu On 2016-06-02 增加功率曲线
if (oriPointArray == null)
{
CleanSpine();
return;
}
if (oriPointArray.Length != 3)
{
//MessageBox.Show("RFID标签数据异常，无法显示曲线。");
//return;
if (oriPointArray != null)
{
int oriLen = oriPointArray.Length;
if (oriPointArray[oriLen - 2].Current < 0.5)
{
pointArray = new I_V_Point[oriLen - 1];
Array.Copy(oriPointArray, pointArray, oriLen - 1);
pointArray[oriLen - 2].Current = oriPointArray[oriLen - 1].Current;
pointArray[oriLen - 2].Voltage = oriPointArray[oriLen - 1].Voltage;
}
else
{
pointArray = oriPointArray;
}
}
}
else
{
#region ======================================================
int PointCount = 100;
double Voc = oriPointArray[2].Voltage;
double Isc = oriPointArray[0].Current;
double Vpm = oriPointArray[1].Voltage;
double Ipm = oriPointArray[1].Current;
pointArray = new I_V_Point[PointCount + 3];
I_V_Point s1 = new I_V_Point();
s1.Voltage = 0;
s1.Current = Isc;
pointArray[0] = s1;
for (int i = 1; i < PointCount + 1; i++)
{
I_V_Point s2 = new I_V_Point();
s2.Voltage = 0 + (Vpm - 0) / (PointCount + 1) * i;
s2.Current = Isc - (Isc - Ipm) / (PointCount + 1) * i;
pointArray[i] = s2;
}
I_V_Point s4 = new I_V_Point();
s4.Voltage = Vpm;
s4.Current = Ipm;
I_V_Point s5 = new I_V_Point();
s5.Voltage = Voc;
s5.Current = 0;
pointArray[PointCount + 1] = s4;
pointArray[PointCount + 2] = s5;
#endregion
}
foreach (I_V_Point oriPoint in pointArray)
{
_OriPointList.Add(GetPointByOriginal(oriPoint));
}
if (evalAll)
{
I_V_Point[] points = MySpline.Spline(pointArray);
if (points == null)
{
MessageBox.Show("RFID标签数据异常，无法显示曲线。");
return;
}
foreach (I_V_Point oriPoint in points)
{
_CurvasPointList.Add(GetPointByOriginal(oriPoint));
// add by genhong.hu On 2016-06-02 增加功率曲线
P_V_Point pmaxpoint = new P_V_Point();
pmaxpoint.Pmax = oriPoint.Current * oriPoint.Voltage;
pmaxpoint.Voltage = oriPoint.Voltage;
_PowerPointList.Add(GetPowerPointByOriginal(pmaxpoint));
}
#region 计算
// _CurvasPointList = _OriPointList;
#endregion
//2014-03-30 曲线画到电流为0
Point lastPointToZero = new Point();
lastPointToZero.X = _CurvasPointList[_CurvasPointList.Count - 1].X;
lastPointToZero.Y = _CvsRect.Top + _CvsRect.Height;
_CurvasPointList.Add(lastPointToZero);
_PowerPointList.Add(lastPointToZero);// add by genhong.hu On 2016-06-02 增加功率曲线
}
this.Invalidate();
}
