Triangle Class Reference

#include <TriangleClass.h>

Public Member Functions
	Triangle ()
	Triangle (const real x1[3], const real x2[3], const real x3[3])
	Triangle (const RealArray &x1, const RealArray &x2, const RealArray &x3)
	Triangle (const realArray &grid, const int &i1, const int &i2, const int &i3, const int &choice=0, const int &axis=axis3)
	~Triangle ()
real	area () const
void	setVertices (const real x1_[3], const real x2_[3], const real x3_[3])
void	setVertices (const RealArray &x1, const RealArray &x2, const RealArray &x3)
void	setVertices (const realArray &grid, const int &i1, const int &i2, const int &i3, const int &choice=0, const int &axis=axis3)
bool	intersects (Triangle &triangle, real xi1[3], real xi2[3]) const
bool	intersects (Triangle &triangle, RealArray &xi1, RealArray &xi2) const
bool	intersects (real x[3], real xi[3]) const
bool	intersects (RealArray &x, RealArray &xi) const
bool	intersects (real x[3], real xi[3], real b0[3], real b1[3], real b2[3]) const
bool	intersects (RealArray &x, RealArray &xi, real b0[3], real b1[3], real b2[3]) const
int	getRelativeCoordinates (const real x[3], real &alpha1, real &alpha2, const bool &shouldBeInside=TRUE) const
void	display (const aString &label=blankString) const
double	tetrahedralVolume (const real a[], const real b[], const real c[], const real d[]) const
void	computeNormal ()

Public Attributes
real	x1 [3]
real	x2 [3]
real	x3 [3]
real	normal [4]

Constructor & Destructor Documentation

Triangle::Triangle

(

)

References computeNormal(), x1, x2, and x3.

Triangle::Triangle	(	const real	x1[3],
		const real	x2[3],
		const real	x3[3]
	)

References setVertices(), x1, x2, and x3.

Triangle::Triangle	(	const RealArray &	x1,
		const RealArray &	x2,
		const RealArray &	x3
	)

References setVertices().

Triangle::Triangle	(	const realArray &	grid,
		const int &	i1,
		const int &	i2,
		const int &	i3,
		const int &	choice = 0,
		const int &	axis = axis3
	)

References setVertices().

Triangle::~Triangle

(

)

Member Function Documentation

real Triangle::area

(

)

const

References SQRT, x1, x2, and x3.

void Triangle::computeNormal

(

)

References normal, SQR, SQRT, x1, x2, and x3.

Referenced by setVertices(), and Triangle().

void Triangle::display

(

const aString &

label = blankString

)

const

References normal.

Referenced by ApproximateGlobalInverse::countCrossingsWithPolygon(), UnstructuredMapping::insideOrOutside(), and intersects().

int Triangle::getRelativeCoordinates	(	const real	x[3],
		real &	alpha1,
		real &	alpha2,
		const bool &	shouldBeInside = TRUE
	)		const

References fabs(), REAL_EPSILON, SQR, and x.

Referenced by ApproximateGlobalInverse::countCrossingsWithPolygon(), IntersectionMapping::determineIntersection(), and UnstructuredMapping::insideOrOutside().

bool Triangle::intersects	(	Triangle &	triangle,
		real	xi1[3],
		real	xi2[3]
	)		const

References Mapping::debug, display(), fabs(), FALSE, intersect3D(), max(), min(), normal, REAL_EPSILON, sign(), TRUE, x1, x2, and x3.

Referenced by ApproximateGlobalInverse::countCrossingsWithPolygon(), IntersectionMapping::determineIntersection(), and UnstructuredMapping::insideOrOutside().

bool Triangle::intersects	(	Triangle &	triangle,
		RealArray &	xi1,
		RealArray &	xi2
	)		const

bool Triangle::intersects	(	real	x[3],
		real	xi[3]
	)		const

References Mapping::debug, display(), fabs(), FALSE, max(), min(), normal, REAL_EPSILON, sign(), TRUE, and x.

bool Triangle::intersects	(	RealArray &	x,
		RealArray &	xi
	)		const

References x.

bool Triangle::intersects	(	real	x[3],
		real	xi[3],
		real	b0[3],
		real	b1[3],
		real	b2[3]
	)		const

References Mapping::debug, display(), fabs(), FALSE, max(), min(), normal, REAL_EPSILON, sign(), TETRAHEDRALVOLUME, and x.

bool Triangle::intersects	(	RealArray &	x,
		RealArray &	xi,
		real	b0[3],
		real	b1[3],
		real	b2[3]
	)		const

References x.

void Triangle::setVertices	(	const real	x1_[3],
		const real	x2_[3],
		const real	x3_[3]
	)

References computeNormal(), x1, x2, and x3.

Referenced by ApproximateGlobalInverse::countCrossingsWithPolygon(), UnstructuredMapping::insideOrOutside(), setVertices(), and Triangle().

void Triangle::setVertices	(	const RealArray &	x1,
		const RealArray &	x2,
		const RealArray &	x3
	)

References setVertices().

void Triangle::setVertices	(	const realArray &	grid,
		const int &	i1,
		const int &	i2,
		const int &	i3,
		const int &	choice = 0,
		const int &	axis = axis3
	)

References assert, axis2, axis3, computeNormal(), x1, x2, and x3.

double Triangle::tetrahedralVolume	(	const real	a[],
		const real	b[],
		const real	c[],
		const real	d[]
	)		const

References c.

Member Data Documentation

real Triangle::normal[4]

Referenced by computeNormal(), and intersects().

real Triangle::x1[3]

Referenced by area(), computeNormal(), ApproximateGlobalInverse::countCrossingsWithPolygon(), UnstructuredMapping::insideOrOutside(), intersects(), setVertices(), and Triangle().

real Triangle::x2[3]

Referenced by area(), computeNormal(), ApproximateGlobalInverse::countCrossingsWithPolygon(), UnstructuredMapping::insideOrOutside(), intersects(), setVertices(), and Triangle().

real Triangle::x3[3]

Referenced by area(), computeNormal(), ApproximateGlobalInverse::countCrossingsWithPolygon(), UnstructuredMapping::insideOrOutside(), intersects(), setVertices(), and Triangle().

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

• TriangleClass.h
• TriangleClass.C