namespace IStation.Curve
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{
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/// <summary>
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/// 装置曲线
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/// </summary>
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public class DeviceCurve : ICloneable
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{
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/// <summary>
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///
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/// </summary>
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public DeviceCurve() { }
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/// <summary>
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///
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/// </summary>
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public DeviceCurve(DeviceCurve rhs)
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{
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this.SourceType = rhs.SourceType;
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this.OriginPoints = rhs.OriginPoints;
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this.CurveInfo = rhs.CurveInfo;
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this.CurveExpress = rhs.CurveExpress;
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}
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/// <summary>
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///
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/// </summary>
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public DeviceCurve(double zeroPointH, IStation.Curve.CurvePoint endPoint, int fitPointNum = 12, eFitType fitType = eFitType.CubicCurve)
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{
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SetParabolaPoints(zeroPointH, endPoint);
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ResetCurveInfo(fitPointNum, fitType);
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}
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/// <summary>
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/// 来源类型
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/// </summary>
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public eDeviceSourceType SourceType { get; set; }
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/// <summary>
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/// 手动输入时是输入的点,二次曲线是两个定义点
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/// </summary>
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public List<CurvePoint> OriginPoints { get; set; }
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/// <summary>
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/// 曲线上的点有可能根据坐标最小值,进行了切割
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/// </summary>
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public List<CurvePoint> CurveInfo { get; set; }
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/// <summary>
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/// 曲线方程
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/// </summary>
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public CurveExpress CurveExpress { get; set; }
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/// <summary>
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/// 获取0流量点扬程
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/// </summary>
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public double GetZeroPointH()
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{
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if (this.OriginPoints == null || this.OriginPoints.Count < 1)
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{
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return default;
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}
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return this.OriginPoints[0].Y;
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}
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/// <summary>
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/// 设置抛物线点
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/// </summary>
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public void SetParabolaPoints(double zeroPointH, IStation.Curve.CurvePoint endPoint)
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{
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this.SourceType = eDeviceSourceType.Twice;
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this.OriginPoints = new List<IStation.Curve.CurvePoint>();
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this.OriginPoints.Add(new IStation.Curve.CurvePoint(0, zeroPointH));
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this.OriginPoints.Add(endPoint);
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}
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/// <summary>
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/// 重置曲线信息
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/// </summary>
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public void ResetCurveInfo(int fitPointNum, eFitType fitType = eFitType.CubicCurve)
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{
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if (this.SourceType != eDeviceSourceType.Twice)
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return;
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if (this.OriginPoints == null || this.OriginPoints.Count != 2)
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return;
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double equipCurveZeroH = this.OriginPoints[0].Y;
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var endPt = this.OriginPoints[1];
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var points = new List<IStation.Curve.CurvePoint>();
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double k = (endPt.Y - equipCurveZeroH) / (endPt.X * endPt.X);
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double minQ = 0;
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double maxQ = endPt.X;
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double space = (maxQ - minQ) / (fitPointNum - 1);//11个点
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for (int i = 0; i < fitPointNum; i++)
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{
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double x = space * i + minQ;
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double y = k * x * x + equipCurveZeroH;
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points.Add(new IStation.Curve.CurvePoint(x, y));
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}
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this.CurveInfo = points;
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this.CurveExpress = IStation.Curve.FitHelper.BuildCurveExpress(points, fitType);
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}
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/// <summary>
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/// 获取抛物线系数
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/// </summary>
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public double GetParabolaCoeff()
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{
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if (this.OriginPoints == null || this.OriginPoints.Count != 2)
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return default;
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double equipCurveZeroH = OriginPoints[0].Y;
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var endPt = OriginPoints[1];
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List<IStation.Curve.CurvePoint> points = new List<IStation.Curve.CurvePoint>();
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return (endPt.Y - equipCurveZeroH) / (endPt.X * endPt.X);
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}
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/// <summary>
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/// 通过 最小值Y重置曲线信息
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/// </summary>
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public void ResetCurveInfoByMinY(int fitPointNum, double minY, eFitType fitType = eFitType.CubicCurve)
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{
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if (this.SourceType != eDeviceSourceType.Twice)
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return;
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if (this.OriginPoints == null || this.OriginPoints.Count != 2)
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return;
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if (minY < 0.01)
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{
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ResetCurveInfo(fitPointNum, fitType);
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return;
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}
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double equipCurveZeroH = this.OriginPoints[0].Y;
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var endPt = this.OriginPoints[1];
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var points = new List<IStation.Curve.CurvePoint>();
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double k = (endPt.Y - equipCurveZeroH) / (endPt.X * endPt.X);
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double minQ = 0;
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if (minY > equipCurveZeroH)
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{
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minQ = Math.Sqrt((minY - equipCurveZeroH) / k);
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}
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double maxQ = endPt.X;
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double space = (maxQ - minQ) / (fitPointNum - 1);
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for (int i = 0; i < fitPointNum; i++)
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{
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double x = space * i + minQ;
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double y = k * x * x + equipCurveZeroH;
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points.Add(new IStation.Curve.CurvePoint(x, y));
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}
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this.CurveInfo = points;
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}
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#region Clone
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/// <summary>
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///
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/// </summary>
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public DeviceCurve Clone()
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{
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return new DeviceCurve(this);
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}
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/// <summary>
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///
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/// </summary>
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object ICloneable.Clone()
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{
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return Clone();
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}
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#endregion
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}
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}
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