Sphere2D Class Reference

Just methods to calculate the position and dimension of a 2D sphere under given constraints (see the .cpp file). More...

#include <Sphere2d.h>

Static Public Member Functions
static bool	FillIn (const Vec3 &, const Vec3 &, const Vec3 &, double, double, double, Vec3 &, double &)
static bool	FillInWP (const Vec3 &, const Vec3 &, const Vec3 &, const Vec3 &, double, double, Vec3 &, double &)
static bool	FillInWP (const Vec3 &, const Vec3 &, const Vec3 &, double, double, Vec3 &, int wsol=1)

Static Private Attributes
static double	NearZero =1e-8

Detailed Description

Just methods to calculate the position and dimension of a 2D sphere under given constraints (see the .cpp file).

Author

David Place, Steffen Abe $Revision$ $Date$

Member Function Documentation

FillIn()

bool Sphere2D::FillIn ( const Vec3 &  P1, const Vec3 &  P2, const Vec3 &  P3, double  r1, double  r2, double  r3, Vec3 &  M, double &  r  )

static

Fit circle between 3 circles

Parameters

iP1	center of 1st circle
iP2	center of 2nd circle
iP3	center of 3rd circle
r1	radius of 1st circle
r2	radius of 2st circle
r3	radius of 3rd circle
M	center of fitted circle (output)
r	radius of fitted circle (output)

References cross(), Vec3::X(), and Vec3::Y().

Referenced by esys::lsm::TwoDSphereFitter< TmplFitTraits >::findAFit(), esys::lsm::TwoDSphereSphereFitter< TmplFitTraits >::findAFit(), esys::lsm::TwoDParticleFitter::findAFit(), and ARandomAssembly2D::findAFit().

Here is the call graph for this function:

Here is the caller graph for this function:

FillInWP() [1/2]

bool Sphere2D::FillInWP ( const Vec3 &  iP1, const Vec3 &  iP2, const Vec3 &  iO, const Vec3 &  iD, double  r1, double  r2, Vec3 &  M, double &  r  )

static

Fit circle between 2 circles and a line

Parameters

iP1	center of 1st circle
iP2	center of 2nd circle
iO	origin of line
iD	direction of line
r1	radius of 1st circle
r2	radius of 2st circle
M	center of fitted circle (output)
r	radius of fitted circle (output)

References cross(), NearZero, Vec3::norm(), Vec3::X(), and Vec3::Y().

Referenced by esys::lsm::TwoDPlaneSphereFitter< TmplFitTraits >::findAFit(), esys::lsm::TwoDPlaneParticleFitter::findAFit(), and ARandomAssembly2D::findAFit().

Here is the call graph for this function:

Here is the caller graph for this function:

FillInWP() [2/2]

bool Sphere2D::FillInWP ( const Vec3 &  iP1, const Vec3 &  iO, const Vec3 &  iD, double  r1, double  r, Vec3 &  M, int  wsol = 1  )

static

Fit circle of fixed radius between circle and line. The equation has always 2 valid solutions, wsol select which solution sould be returned

Parameters

iP1	center of circle
iO	origin of line
iD	direction of line
r1	radius of circle
M	center of fitted circle (output)
r	radius of fitted circle (output)
wsol	select which solution sould be returned

References cross(), Vec3::norm(), Vec3::X(), and Vec3::Y().

Here is the call graph for this function:

Member Data Documentation

NearZero

double Sphere2D::NearZero =1e-8

staticprivate

Referenced by FillInWP().

---

The documentation for this class was generated from the following files:

• Geometry/Sphere2d.h
• Geometry/Sphere2d.cpp