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lixiaojun
2025-01-22 46f64905a3c309a50c0f245b3350cdeb8dd699c6 
 WinFrmUI/Yw.WinFrmUI.Hydro.Q3d.Core/MapView/Common/Dataset.cs


@@ -1,6 +1,7 @@


using MathNet.Numerics.LinearAlgebra.Double; // 引入 Math.NET Numerics 库进行多项式拟合


using MathNet.Numerics;


using MathNet.Numerics;


using MathNet.Numerics.LinearAlgebra;


using MathNet.Numerics.LinearAlgebra.Double; // 引入 Math.NET Numerics 库进行多项式拟合


using Newtonsoft.Json;


using System;


using System.Collections.Generic;


using System.Drawing;


@@ -10,7 +11,6 @@


//using System.Windows.Forms.DataVisualization.Charting;


using Yw.WinFrmUI.Q3d;


using Yw.WinFrmUI.Q3d;


using Newtonsoft.Json;


using Yw.WinFrmUI.Q3d;




namespace Yw.WinFrmUI.Q3d


@@ -51,13 +51,13 @@


                {


                    case "流量扬程曲线":


                        return Color.Blue;


                        //break;


                    //break;


                    case "流量功率曲线":


                        return Color.Orange;


                        //break;


                    //break;


                    case "流量效率曲线":


                        return Color.Red;


                        //break;


                    //break;


                    default:


                        return Color.Blue;


                }


@@ -204,7 +204,8 @@


            if (range_X == null)


            {


                range_X = new DRange(double.MaxValue, double.MinValue);


                Data.ForEach(p => {


                Data.ForEach(p =>


                {


                    if (range_X.Min > p.X) range_X.Min = p.X;


                    if (range_X.Max < p.X) range_X.Max = p.X;


                });


@@ -283,9 +284,9 @@


                double b = coefficients[1]; // 一次项系数


                double c = coefficients[0] - y; // 常数项系数减去给定的 y 值




                




                var roots = MathSolver.Solve(a, b, c);


                if (roots == null)return ErrNum;


                if (roots == null) return ErrNum;


                else return roots.Max();




            }


@@ -312,7 +313,7 @@


            //}


            else


            {


                




                return Solve(y);


            }


        }