odrSpiral.h File Reference

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Functions
void	odrSpiral (double s, double cDot, double *x, double *y, double *t)

Function Documentation

odrSpiral()

void odrSpiral ( double  s, double  cDot, double *  x, double *  y, double *  t  )

extern

compute the actual "standard" spiral, starting with curvature 0

Parameters

s	run-length along spiral
cDot	first derivative of curvature [1/m2]
x	resulting x-coordinate in spirals local co-ordinate system [m]
y	resulting y-coordinate in spirals local co-ordinate system [m]
t	tangent direction at s [rad]

Definition at line 236 of file odrSpiral.cpp.

References fresnel(), and M_PI.

Referenced by NIImporter_OpenDrive::geomFromSpiral().

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