C:/Active/libraries/cxutils/2.0/include/cxutils/math/point3d.h
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00001 00002 00003 00004 00005 00006 00007 00008 00009 00010 00011 00012 00013 00014 00015 00016 00017 00018 00019 00020 00021 00022 00023 00024 00025 00026 00027 00028 00029 00030 00031 00032 00033 00034 00035 00036 00037 00038 00039 00040 #ifndef __CXUTILS_MATH_POINT_3D_H 00041 #define __CXUTILS_MATH_POINT_3D_H 00042 00043 #include "cxutils/cxbase.h" 00044 #include <vector> 00045 #include <string> 00046 00047 namespace CxUtils 00048 { 00055 class CX_UTILS_DLL Point3D 00056 { 00057 public: 00058 typedef std::vector<Point3D> List; 00059 00060 00061 00062 00063 00064 00065 enum Axis 00066 { 00067 X = 0, 00068 Y, 00069 Z 00070 }; 00071 Point3D(const Point3D& p); 00072 Point3D(const double x = 0, 00073 const double y = 0, 00074 const double z = 0); 00075 int Set(const double x, const double y, const double z); 00076 int Get(double& x, double& y, double &z) const; 00077 void Clear(); 00078 void Floor(const double thresh); 00079 void Print() const; 00080 bool IsParallel(const Point3D& p) const; 00081 bool IsCoplanar(const Point3D& p1, const Point3D& p2, const Point3D& p3) const; 00082 bool IsCollinear(const Point3D& p1, const Point3D& p2) const; 00083 bool IsInside(const Point3D& p1, const Point3D& p2, const Point3D& p3) const; 00084 double Distance() const; // Same as magnitude. 00085 double Magnitude() const; // Same as distance. 00086 double SumOfSquares() const; 00087 double Distance(const Point3D& p) const; 00088 double Dot(const Point3D& p) const; 00089 Point3D& Normalize(); 00090 Point3D GetUnitVector() const; 00091 Point3D Rotate(const double angle, 00092 const unsigned int axis, 00093 const bool angleInDegrees = false) const; 00094 Point3D Rotate(const Point3D& origin, 00095 const double angle, 00096 const unsigned int axis, 00097 const bool angleInDegrees = false) const; 00098 Point3D Midpoint(const Point3D& p) const; 00099 Point3D& operator()(const double x, const double y, const double z); 00100 Point3D& operator=(const Point3D& p); 00101 Point3D& operator+=(const Point3D& p); 00102 Point3D& operator-=(const Point3D& p); 00103 Point3D& operator*=(const double val); 00104 Point3D& operator/=(const double val); 00105 Point3D& operator/=(const Point3D& p) { mX/=p.mX; mY/=p.mY; mZ/=p.mZ; return *this; } 00106 Point3D operator+(const Point3D& p) const; 00107 Point3D operator-(const Point3D& p) const; 00108 Point3D operator*(const double scaler) const; 00109 Point3D operator/(const double scaler) const; 00110 Point3D operator*(const Point3D& p) const; 00111 Point3D operator/(const Point3D& p) const { return Point3D(mX/p.mX, mY/p.mY, mZ/p.mZ); } 00112 static double Distance(const Point3D& p1, const Point3D& p2); 00113 static Point3D Midpoint(const Point3D& p1, const Point3D& p2); 00114 static double Dot(const Point3D& p1, const Point3D& p2) { return p1.Dot(p2); } 00115 static bool IsCoplanar(const Point3D& p1, 00116 const Point3D& p2, 00117 const Point3D& p3, 00118 const Point3D& p4); 00119 // Gets the slope of the 2D line in the XY plane. 00120 static double LinearRegressionSlope(const Point3D::List& points); 00121 // Converts thes lope of the line of the XY plane points to an angle [-PI, PI]. 00122 static double GetLinearRegressionAngle(const Point3D::List& points); 00123 double mX; 00124 double mY; 00125 double mZ; 00126 }; 00127 } 00128 00129 #endif 00130 /* End of File */
