OpenGl_telem_util.hxx File Reference

#include <InterfaceGraphic_telem.hxx>
#include <cmath>

Data Structures
struct	Tmatrix3Struct

Macros
#define	shortreallast()    (3.e+38)
#define	shortrealfirst()    (-3.e+38)
#define	square(a)    ((a)*(a))
#define	vecadd(a, b, c)
#define	vecsub(a, b, c)
#define	vecdot(a, b)    ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
#define	veccrs(a, b, c)
#define	vecscl(a, b)    { (b)[0] *= (a); (b)[1] *= (a); (b)[2] *= (a); }
#define	vecmg2(a)    (square((a)[0])+square((a)[1])+square((a)[2]))
#define	vecmag(a)    (std::sqrt((double)vecmg2(a)))
#define	vecnrmd(a, d)
#define	vecnrm(a)    { Tfloat d; vecnrmd(a,d); }
#define	vecang(a, b, d)
#define	vecgnd(a, b, c, d)
#define	veccpy(a, b)    ((a)[0]=(b)[0],(a)[1]=(b)[1],(a)[2]=(b)[2])
#define	matcpy(d, s)   { *((Tmatrix3Struct*)(d)) = *((Tmatrix3Struct*)(s)); }
#define	matdump(m)

Functions
int	TelGetPolygonNormal (tel_point, Tint *, Tint, Tfloat *)
int	TelGetNormal (Tfloat *, Tfloat *, Tfloat *, Tfloat *)
void	TelMultiplymat3 (Tmatrix3, Tmatrix3, Tmatrix3)

Macro Definition Documentation

#define matcpy	(		d,
			s
	)		{ *((Tmatrix3Struct*)(d)) = *((Tmatrix3Struct*)(s)); }

#define matdump

(

m

)

Value:

{ \
  int i, j; \
  for (i=0; i<4; i++) {\
  printf ("\t"); \
  for (j=0; j<4; j++) \
  printf ("%f ", m[i][j]); \
  printf ("\n"); \
  } \
}

#define shortrealfirst

(

)

(-3.e+38)

#define shortreallast

(

)

(3.e+38)

#define square

(

a

)

((a)*(a))

#define vecadd	(		a,
			b,
			c
	)

Value:

{ (a)[0]=(b)[0]+(c)[0]; \
  (a)[1]=(b)[1]+(c)[1]; \
  (a)[2]=(b)[2]+(c)[2]; }

#define vecang	(		a,
			b,
			d
	)

Value:

{ d = (Tfloat)(vecmag(a)*vecmag(b)); \
  d = vecdot(a,b)/d; \
  d = d < -1.0F ? -1.0F : d > 1.0F ? 1.0F : d; \
  d = ( Tfloat )acos(d); }

#define veccpy	(		a,
			b
	)		((a)[0]=(b)[0],(a)[1]=(b)[1],(a)[2]=(b)[2])

#define veccrs	(		a,
			b,
			c
	)

Value:

{ Tfloat x, y, z; \
  x = (b)[1]*(c)[2] - (b)[2]*(c)[1]; \
  y = (b)[2]*(c)[0] - (b)[0]*(c)[2]; \
  z = (b)[0]*(c)[1] - (b)[1]*(c)[0]; \
  (a)[0] = x; \
  (a)[1] = y; \
  (a)[2] = z; }

#define vecdot	(		a,
			b
	)		((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])

#define vecgnd	(		a,
			b,
			c,
			d
	)

Value:

{ Tfloat w; w = d/vecmag(c); \
  (a)[0] = (b)[0]+(c)[0]*w;  \
  (a)[1] = (b)[1]+(c)[1]*w;  \
  (a)[2] = (b)[2]+(c)[2]*w;  }

#define vecmag

(

a

)

(std::sqrt((double)vecmg2(a)))

#define vecmg2

(

a

)

(square((a)[0])+square((a)[1])+square((a)[2]))

#define vecnrm

(

a

)

{ Tfloat d; vecnrmd(a,d); }

#define vecnrmd	(		a,
			d
	)

Value:

( d = (Tfloat)vecmag(a), \
  ( d > 1e-10 ? (a[0] /= d, a[1] /= d, a[2] /= d, d) : (Tfloat)0. ) )

#define vecscl	(		a,
			b
	)		{ (b)[0] *= (a); (b)[1] *= (a); (b)[2] *= (a); }

#define vecsub	(		a,
			b,
			c
	)

Value:

{ (a)[0]=(b)[0]-(c)[0]; \
  (a)[1]=(b)[1]-(c)[1]; \
  (a)[2]=(b)[2]-(c)[2]; }

Function Documentation

int TelGetNormal	(	Tfloat *	,
		Tfloat *	,
		Tfloat *	,
		Tfloat *
	)

int TelGetPolygonNormal	(	tel_point	,
		Tint *	,
		Tint	,
		Tfloat *
	)

void TelMultiplymat3	(	Tmatrix3	,
		Tmatrix3	,
		Tmatrix3
	)