add missing file.

OTSIncAMeasureApp/0-OTSModel/OTSDataType/CSlopFocusParam.cs

@@ -0,0 +1,107 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OTSMeasureApp._0_OTSModel.OTSDataType
+{
+    public struct SpacePoint
+    {
+        public SpacePoint(double x, double y, double z)
+        {
+            this.x = x;
+            this.y = y;
+            this.z = z;
+        }
+        public double x;
+        public double y;
+        public double z;
+
+    }
+    public struct Vec3
+    {
+        public double a;
+        public double b;
+        public double c;
+
+    }
+    public class CSlopFocusParam
+    {
+        private bool m_IsUsingSlopParam;
+        private Point m_FirstPoint;
+        private double m_FirstWD=0;
+        private Point m_SecondPoint;
+        private double m_SecondWD=0;
+        private Point m_ThirdPoint;
+        private double m_ThirdWD=0;
+
+        public bool IsUsingSlopParam { get => m_IsUsingSlopParam; set => m_IsUsingSlopParam = value; }
+        public Point FirstPoint { get => m_FirstPoint; set => m_FirstPoint = value; }
+        public double FirstWD { get => m_FirstWD; set => m_FirstWD = value; }
+        public Point SecondPoint { get => m_SecondPoint; set => m_SecondPoint = value; }
+        public double SecondWD { get => m_SecondWD; set => m_SecondWD = value; }
+        public Point ThirdPoint { get => m_ThirdPoint; set => m_ThirdPoint = value; }
+        public double ThirdWD { get => m_ThirdWD; set => m_ThirdWD = value; }
+        public double GetWD(Point currentPoint)
+        {
+            double a=0, b=0, c=0, d=0;
+            SpacePoint p1 = new SpacePoint(FirstPoint.X,FirstPoint.Y,FirstWD);
+            SpacePoint p2 = new SpacePoint(SecondPoint.X, SecondPoint.Y, SecondWD);
+            SpacePoint p3 = new SpacePoint(ThirdPoint.X, ThirdPoint.Y, ThirdWD);
+            get_panel(p1, p2, p3,ref a,ref b,ref c, ref d);
+            double wd;
+            wd = ((0 - d) - (a * currentPoint.X + b * currentPoint.Y)) / c;
+            return wd;
+        
+        }
+ 
+        //已知3点坐标，求平面ax+by+cz+d=0;
+
+        void get_panel(SpacePoint p1, SpacePoint p2, SpacePoint p3, ref double a, ref double b, ref double c, ref double d)
+
+        {
+
+            a = (p2.y - p1.y) * (p3.z - p1.z) - (p2.z - p1.z) * (p3.y - p1.y);
+
+            b = (p2.z - p1.z) * (p3.x - p1.x) - (p2.x - p1.x) * (p3.z - p1.z);
+
+            c = (p2.x - p1.x) * (p3.y - p1.y) - (p2.y - p1.y) * (p3.x - p1.x);
+
+            d = 0 - (a * p1.x + b * p1.y + c * p1.z);
+
+        }
+
+
+        // 已知三点坐标，求法向量
+
+        Vec3 get_Normal(SpacePoint p1, SpacePoint p2, SpacePoint p3)
+
+        {
+            double a, b, c;
+            a = (p2.y - p1.y) * (p3.z - p1.z) - (p2.z - p1.z) * (p3.y - p1.y);
+
+            b = (p2.z - p1.z) * (p3.x - p1.x) - (p2.x - p1.x) * (p3.z - p1.z);
+
+            c = (p2.x - p1.x) * (p3.y - p1.y) - (p2.y - p1.y) * (p3.x - p1.x);
+
+            Vec3 v= new Vec3();
+            v.a = a;
+            v.b = b;
+            v.c = c;
+            return v;
+
+        }
+
+
+        //点到平面距离
+
+        double dis_pt2panel(SpacePoint pt, double a, double b, double c, double d)
+        {
+
+            return Math.Abs(a * pt.x + b * pt.y + c * pt.z + d) / Math.Sqrt(a * a + b * b + c * c);
+
+        }
+    }
+}