SAGA API v9.10
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geo_functions.cpp File Reference
#include "geo_tools.h"
#include "mat_tools.h"

Go to the source code of this file.

Macros

#define A   Triangle[0]
#define B   Triangle[1]
#define C   Triangle[2]

Functions

bool SG_Is_Equal (double a, double b, double epsilon)
bool SG_Is_Equal (const TSG_Point &A, const TSG_Point &B, double epsilon)
bool SG_Is_Between (double x, double a, double b, double epsilon)
bool SG_Is_Between (const TSG_Point &Point, const TSG_Point &Corner_A, const TSG_Point &Corner_B, double epsilon)
double SG_Get_Length (double dx, double dy)
double SG_Get_Distance (double ax, double ay, double bx, double by, bool bPolar)
double SG_Get_Distance (const TSG_Point &A, const TSG_Point &B, bool bPolar)
double SG_Get_Distance (double ax, double ay, double bx, double by)
double SG_Get_Distance (const TSG_Point &A, const TSG_Point &B)
double SG_Get_Distance (double ax, double ay, double az, double bx, double by, double bz)
double SG_Get_Distance (const TSG_Point_3D &A, const TSG_Point_3D &B)
double SG_Get_Distance_Polar (double aLon, double aLat, double bLon, double bLat, double a, double e, bool bDegree)
double SG_Get_Distance_Polar (const TSG_Point &A, const TSG_Point &B, double a, double e, bool bDegree)
double SG_Get_Angle_Of_Direction (double dx, double dy)
double SG_Get_Angle_Of_Direction (double ax, double ay, double bx, double by)
double SG_Get_Angle_Of_Direction (const TSG_Point &A)
double SG_Get_Angle_Of_Direction (const TSG_Point &A, const TSG_Point &B)
double SG_Get_Angle_Difference (double a, double b)
bool SG_is_Angle_Between (double Angle, double Angle_Min, double Angle_Max, bool bCheckRange)
bool SG_Get_Crossing (TSG_Point &Crossing, const TSG_Point &a1, const TSG_Point &a2, const TSG_Point &b1, const TSG_Point &b2, bool bExactMatch)
bool SG_Get_Crossing_InRegion (TSG_Point &Crossing, const TSG_Point &a, const TSG_Point &b, const TSG_Rect &Region)
bool SG_Is_Point_On_Line (const TSG_Point &Point, const TSG_Point &Line_A, const TSG_Point &Line_B, bool bExactMatch, double Epsilon)
double SG_Get_Distance_To_Line (const TSG_Point &Point, const TSG_Point &Line_A, const TSG_Point &Line_B, bool bExactMatch)
double SG_Get_Nearest_Point_On_Line (const TSG_Point &Point, const TSG_Point &Line_A, const TSG_Point &Line_B, TSG_Point &Line_Point, bool bExactMatch)
bool SG_Get_Triangle_CircumCircle (TSG_Point Triangle[3], TSG_Point &Point, double &Radius)
double SG_Get_Polygon_Area (TSG_Point *Points, int nPoints)
double SG_Get_Polygon_Area (const CSG_Points &Points)

Macro Definition Documentation

◆ A

◆ B

◆ C

Function Documentation

◆ SG_Get_Angle_Difference()

double SG_Get_Angle_Difference ( double a,
double b )

Definition at line 247 of file geo_functions.cpp.

References M_PI_180, and M_PI_360.

◆ SG_Get_Angle_Of_Direction() [1/4]

double SG_Get_Angle_Of_Direction ( const TSG_Point & A)

Definition at line 235 of file geo_functions.cpp.

References A, and SG_Get_Angle_Of_Direction().

◆ SG_Get_Angle_Of_Direction() [2/4]

double SG_Get_Angle_Of_Direction ( const TSG_Point & A,
const TSG_Point & B )

Definition at line 241 of file geo_functions.cpp.

References A, B, and SG_Get_Angle_Of_Direction().

◆ SG_Get_Angle_Of_Direction() [3/4]

double SG_Get_Angle_Of_Direction ( double ax,
double ay,
double bx,
double by )

Definition at line 229 of file geo_functions.cpp.

References SG_Get_Angle_Of_Direction().

◆ SG_Get_Angle_Of_Direction() [4/4]

double SG_Get_Angle_Of_Direction ( double dx,
double dy )

◆ SG_Get_Crossing()

◆ SG_Get_Crossing_InRegion()

bool SG_Get_Crossing_InRegion ( TSG_Point & Crossing,
const TSG_Point & a,
const TSG_Point & b,
const TSG_Rect & Region )

◆ SG_Get_Distance() [1/6]

double SG_Get_Distance ( const TSG_Point & A,
const TSG_Point & B )

Definition at line 124 of file geo_functions.cpp.

References A, and B.

◆ SG_Get_Distance() [2/6]

double SG_Get_Distance ( const TSG_Point & A,
const TSG_Point & B,
bool bPolar )

Definition at line 109 of file geo_functions.cpp.

References A, B, SG_Get_Distance(), and SG_Get_Distance_Polar().

◆ SG_Get_Distance() [3/6]

double SG_Get_Distance ( const TSG_Point_3D & A,
const TSG_Point_3D & B )

Definition at line 145 of file geo_functions.cpp.

References A, and B.

◆ SG_Get_Distance() [4/6]

double SG_Get_Distance ( double ax,
double ay,
double az,
double bx,
double by,
double bz )

Definition at line 135 of file geo_functions.cpp.

◆ SG_Get_Distance() [5/6]

double SG_Get_Distance ( double ax,
double ay,
double bx,
double by )

Definition at line 115 of file geo_functions.cpp.

◆ SG_Get_Distance() [6/6]

◆ SG_Get_Distance_Polar() [1/2]

double SG_Get_Distance_Polar ( const TSG_Point & A,
const TSG_Point & B,
double a,
double e,
bool bDegree )

Definition at line 203 of file geo_functions.cpp.

References A, B, and SG_Get_Distance_Polar().

◆ SG_Get_Distance_Polar() [2/2]

double SG_Get_Distance_Polar ( double aLon,
double aLat,
double bLon,
double bLat,
double a,
double e,
bool bDegree )

Definition at line 157 of file geo_functions.cpp.

References C, M_DEG_TO_RAD, and SG_Get_Square().

Referenced by SG_Get_Distance(), SG_Get_Distance(), and SG_Get_Distance_Polar().

◆ SG_Get_Distance_To_Line()

double SG_Get_Distance_To_Line ( const TSG_Point & Point,
const TSG_Point & Line_A,
const TSG_Point & Line_B,
bool bExactMatch )

Definition at line 413 of file geo_functions.cpp.

References SG_Get_Nearest_Point_On_Line().

◆ SG_Get_Length()

double SG_Get_Length ( double dx,
double dy )

Definition at line 97 of file geo_functions.cpp.

◆ SG_Get_Nearest_Point_On_Line()

double SG_Get_Nearest_Point_On_Line ( const TSG_Point & Point,
const TSG_Point & Line_A,
const TSG_Point & Line_B,
TSG_Point & Line_Point,
bool bExactMatch )

◆ SG_Get_Polygon_Area() [1/2]

double SG_Get_Polygon_Area ( const CSG_Points & Points)

Definition at line 534 of file geo_functions.cpp.

References CSG_Points::Get_Count().

◆ SG_Get_Polygon_Area() [2/2]

double SG_Get_Polygon_Area ( TSG_Point * Points,
int nPoints )

Definition at line 514 of file geo_functions.cpp.

References SSG_Point::x, and SSG_Point::y.

Referenced by CSG_TIN_Node::Get_Polygon_Area().

◆ SG_Get_Triangle_CircumCircle()

bool SG_Get_Triangle_CircumCircle ( TSG_Point Triangle[3],
TSG_Point & Point,
double & Radius )

Definition at line 465 of file geo_functions.cpp.

References A, B, C, SG_Get_Crossing(), SSG_Point::x, and SSG_Point::y.

◆ SG_is_Angle_Between()

bool SG_is_Angle_Between ( double Angle,
double Angle_Min,
double Angle_Max,
bool bCheckRange )

Definition at line 257 of file geo_functions.cpp.

References M_PI_360.

◆ SG_Is_Between() [1/2]

bool SG_Is_Between ( const TSG_Point & Point,
const TSG_Point & Corner_A,
const TSG_Point & Corner_B,
double epsilon )

Definition at line 83 of file geo_functions.cpp.

References SG_Is_Between(), SSG_Point::x, and SSG_Point::y.

◆ SG_Is_Between() [2/2]

bool SG_Is_Between ( double x,
double a,
double b,
double epsilon )

Definition at line 77 of file geo_functions.cpp.

Referenced by SG_Is_Between(), and SG_Is_Point_On_Line().

◆ SG_Is_Equal() [1/2]

bool SG_Is_Equal ( const TSG_Point & A,
const TSG_Point & B,
double epsilon )

Definition at line 70 of file geo_functions.cpp.

References A, B, and SG_Is_Equal().

◆ SG_Is_Equal() [2/2]

bool SG_Is_Equal ( double a,
double b,
double epsilon )

Definition at line 64 of file geo_functions.cpp.

Referenced by CSG_Rect::is_Equal(), SG_Is_Equal(), and SG_Is_Point_On_Line().

◆ SG_Is_Point_On_Line()

bool SG_Is_Point_On_Line ( const TSG_Point & Point,
const TSG_Point & Line_A,
const TSG_Point & Line_B,
bool bExactMatch,
double Epsilon )