d_poly.c File Reference

Functions to prepare the OpenGL rendering of coordination polyhedra. More...

#include "global.h"
#include "glview.h"
#include "color_box.h"
#include "dlp_field.h"

Include dependency graph for d_poly.c:

Go to the source code of this file.

Functions
void	setup_summit (float *vertices, vec3_t s, vec3_t n)
	prepare the polygon summit to render
vec3_t	get_triangle_normal (vec3_t v1, vec3_t v2, vec3_t v3)
	compute triangle normal vector
void	setup_triangles (float *vertices, vec3_t sa, vec3_t sb, vec3_t sc)
	setup triangle veertices
void	setup_polyhedron (float *vertices, GLfloat **xyz, int s)
	fill the OpenGL data buffer for a polyhedron to render
void	setup_tetra (float *vertices, vec3_t a, vec3_t b, vec3_t c, vec3_t d)
	fill the OpenGL data buffer for a tetrahedra to render
void	setup_tetrahedron (float *vertices, GLfloat **xyz)
	fill the OpenGL data buffer for a tetrahedra to render
void	get_centroid (GLfloat **xyz, int id)
	find the barycenter of a polyhedron
gboolean	is_inside (vec3_t p, float *mi, float *ma)
	is this point inside the polyhedron ?
gboolean	is_in_triangle (vec3_t p, vec3_t a, vec3_t b, vec3_t c)
	is this point inside a triangle ?
gboolean	check_it (int i, int j, int k, int l)
	test this atom id ?
void	check_triangles (int s, GLfloat **xyz)
	check triangle intersection
void	prepare_poly_gl (float *vertices, atom at, int c)
	prepare the OpenGL rendering of a polyhedron
int	is_atom_cloned (int at)
	does this atom have clone(s) ?
void	create_poly_lists ()
	prepare coordination polyhedra(s) OpenGL rendering

Variables
gboolean *	do_gl
vec3_t	centroid
ColRGBA	pcol
int	nbs
int	nbl
int	nba
float	the_sign
float	poly_alpha

Detailed Description

Functions to prepare the OpenGL rendering of coordination polyhedra.

Author

Sébastien Le Roux sebas.nosp@m.tien.nosp@m..lero.nosp@m.ux@i.nosp@m.pcms..nosp@m.unis.nosp@m.tra.f.nosp@m.r

Definition in file d_poly.c.

Function Documentation

check_it()

gboolean check_it	(	int	i,
		int	j,
		int	k,
		int	l )

test this atom id ?

Parameters

i	1st summit atom id
j	2nd summit atom id
k	3rd summit atom id
l	atom id to test

Definition at line 340 of file d_poly.c.

check_triangles()

void check_triangles	(	int	s,
		GLfloat **	xyz )

check triangle intersection

Parameters

s	number of summits for the polygon
xyz	the coordinates of the summits

Definition at line 360 of file d_poly.c.

create_poly_lists()

void create_poly_lists

(

)

prepare coordination polyhedra(s) OpenGL rendering

Definition at line 630 of file d_poly.c.

get_centroid()

void get_centroid	(	GLfloat **	xyz,
		int	id )

find the barycenter of a polyhedron

Parameters

xyz	the OpenGL buffer data to fill
id	the number of summits

Definition at line 267 of file d_poly.c.

get_triangle_normal()

vec3_t get_triangle_normal	(	vec3_t	v1,
		vec3_t	v2,
		vec3_t	v3 )

compute triangle normal vector

Parameters

v1	1st summit
v2	2nd summit
v3	3rd summit

Definition at line 101 of file d_poly.c.

is_atom_cloned()

int is_atom_cloned

(

int

at

)

does this atom have clone(s) ?

Parameters

at	the atom id to test

Definition at line 613 of file d_poly.c.

is_in_triangle()

gboolean is_in_triangle	(	vec3_t	p,
		vec3_t	a,
		vec3_t	b,
		vec3_t	c )

is this point inside a triangle ?

Parameters

p	the position to test
a	1st summit of the triangle
b	2nd summit of the triangle
c	3rd summit of the triangle

Definition at line 314 of file d_poly.c.

is_inside()

gboolean is_inside	(	vec3_t	p,
		float *	mi,
		float *	ma )

is this point inside the polyhedron ?

Parameters

p	the position to test
mi	the min values in the summits coordinates on each axis
ma	the max values in the summits coordinates on each axis

Definition at line 289 of file d_poly.c.

prepare_poly_gl()

void prepare_poly_gl	(	float *	vertices,
		atom	at,
		int	c )

prepare the OpenGL rendering of a polyhedron

Parameters

vertices	the OpenGL data buffer to fill
at	the atom origin of the polyhedron
c	the coordination (0= total, 1= partial)

Definition at line 515 of file d_poly.c.

setup_polyhedron()

void setup_polyhedron	(	float *	vertices,
		GLfloat **	xyz,
		int	s )

fill the OpenGL data buffer for a polyhedron to render

Parameters

vertices	the OpenGL buffer data to fill
xyz	the summits coordinates
s	the number of summits

Definition at line 152 of file d_poly.c.

setup_summit()

void setup_summit	(	float *	vertices,
		vec3_t	s,
		vec3_t	n )

prepare the polygon summit to render

Parameters

vertices	the OpenGL data buffer to fill
s	position vector
n	normal vector

Definition at line 76 of file d_poly.c.

setup_tetra()

void setup_tetra	(	float *	vertices,
		vec3_t	a,
		vec3_t	b,
		vec3_t	c,
		vec3_t	d )

fill the OpenGL data buffer for a tetrahedra to render

Parameters

vertices	the OpenGL buffer data to fill
a	1st summit
b	2nd summit
c	3rd summit
d	4th summit

Definition at line 211 of file d_poly.c.

setup_tetrahedron()

void setup_tetrahedron	(	float *	vertices,
		GLfloat **	xyz )

fill the OpenGL data buffer for a tetrahedra to render

Parameters

vertices	the OpenGL buffer data to fill
xyz	the summits coordinates

Definition at line 227 of file d_poly.c.

setup_triangles()

void setup_triangles	(	float *	vertices,
		vec3_t	sa,
		vec3_t	sb,
		vec3_t	sc )

setup triangle veertices

Parameters

vertices
sa	1st summit
sb	2nd summit
sc	3rd summit

Definition at line 126 of file d_poly.c.

Variable Documentation

centroid

vec3_t centroid

Definition at line 59 of file d_poly.c.

do_gl

gboolean* do_gl

Definition at line 58 of file d_poly.c.

nba

int nba

Definition at line 62 of file d_poly.c.

nbl

int nbl

Definition at line 62 of file d_poly.c.

nbs

int nbs

extern

Definition at line 176 of file d_atoms.c.

pcol

ColRGBA pcol

Definition at line 60 of file d_poly.c.

poly_alpha

float poly_alpha

Definition at line 65 of file d_poly.c.

the_sign

float the_sign

Definition at line 64 of file d_poly.c.