Brep_edit

Implementation of edit support for brep. C functions and Cpp functions are provided. More...

Files
file	edit.h

Functions
void *	brep_create (void)
	function below are C interface More...
int	brep_vertex_create (ON_Brep *brep, ON_3dPoint point)
	function below are C++ interface More...
bool	brep_vertex_remove (ON_Brep *brep, int v_id)
int	brep_curve2d_make_line (ON_Brep *brep, const ON_2dPoint &start, const ON_2dPoint &end)
bool	brep_curve2d_remove (ON_Brep *brep, int curve_id)
int	brep_curve_make (ON_Brep *brep, const ON_3dPoint &position)
int	brep_curve_in (ON_Brep *brep, bool is_rational, int order, int cv_count, std::vector< ON_4dPoint > cv)
int	brep_curve_interpCrv (ON_Brep *brep, std::vector< ON_3dPoint > points)
int	brep_curve_copy (ON_Brep *brep, int curve_id)
bool	brep_curve_remove (ON_Brep *brep, int curve_id)
bool	brep_curve_move (ON_Brep *brep, int curve_id, const ON_3dVector &point)
bool	brep_curve_set_cv (ON_Brep *brep, int curve_id, int cv_id, const ON_4dPoint &point)
bool	brep_curve_reverse (ON_Brep *brep, int curve_id)
bool	brep_curve_insert_knot (ON_Brep *brep, int curve_id, double knot, int multiplicity)
bool	brep_curve_trim (ON_Brep *brep, int curve_id, double t0, double t1)
bool	brep_curve_split (ON_Brep *brep, int curve_id, double t)
int	brep_curve_join (ON_Brep *brep, int curve_id_1, int curve_id_2)
int	brep_surface_make (ON_Brep *brep, const ON_3dPoint &position)
int	brep_surface_extract_vertex (ON_Brep *brep, int surface_id, double u, double v)
int	brep_surface_extract_curve (ON_Brep *brep, int surface_id, int dir, double t)
int	brep_surface_interpCrv (ON_Brep *brep, int cv_count_x, int cv_count_y, std::vector< ON_3dPoint > points)
int	brep_surface_copy (ON_Brep *brep, int surface_id)
bool	brep_surface_move (ON_Brep *brep, int surface_id, const ON_3dVector &point)
bool	brep_surface_set_cv (ON_Brep *brep, int surface_id, int cv_id_u, int cv_id_v, const ON_4dPoint &point)
bool	brep_surface_trim (ON_Brep *brep, int surface_id, int dir, double t0, double t1)
bool	brep_surface_split (ON_Brep *brep, int surface_id, int dir, double t)
int	brep_surface_create_ruled (ON_Brep *brep, int curve_id0, int curve_id1)
int	brep_surface_tensor_product (ON_Brep *brep, int curve_id0, int curve_id1)
int	brep_surface_revolution (ON_Brep *brep, int curve_id0, ON_3dPoint line_start, ON_3dPoint line_end, double angle=2 *ON_PI)
bool	brep_surface_remove (ON_Brep *brep, int surface_id)
int	brep_edge_create (ON_Brep *brep, int from, int to, int curve)
int	brep_face_create (ON_Brep *brep, int surface)
bool	brep_face_reverse (ON_Brep *brep, int face)
int	brep_loop_create (ON_Brep *brep, int face_id)
int	brep_trim_create (ON_Brep *brep, int loop_id, int edge_id, int orientation, int para_curve_id)

Detailed Description

Implementation of edit support for brep. C functions and Cpp functions are provided.

Function Documentation

brep_create()

void* brep_create

(

void

)

function below are C interface

create an empty ON_Brep. return pointer to the ON_Brep object

brep_vertex_create()

int brep_vertex_create	(	ON_Brep *	brep,
		ON_3dPoint	point
	)

function below are C++ interface

create a brep vertex

brep_vertex_remove()

bool brep_vertex_remove	(	ON_Brep *	brep,
		int	v_id
	)

remove a brep vertex

brep_curve2d_make_line()

int brep_curve2d_make_line	(	ON_Brep *	brep,
		const ON_2dPoint &	start,
		const ON_2dPoint &	end
	)

create a 2D parameter space geometric line return id of the curve2d

brep_curve2d_remove()

bool brep_curve2d_remove	(	ON_Brep *	brep,
		int	curve_id
	)

remove a curve2d from brep

brep_curve_make()

int brep_curve_make	(	ON_Brep *	brep,
		const ON_3dPoint &	position
	)

create a nurbs curve using a template. position can be specified if position != NULL return id of the curve

brep_curve_in()

int brep_curve_in	(	ON_Brep *	brep,
		bool	is_rational,
		int	order,
		int	cv_count,
		std::vector< ON_4dPoint >	cv
	)

create a nurbs curve given detailed information return id of the curve

brep_curve_interpCrv()

int brep_curve_interpCrv	(	ON_Brep *	brep,
		std::vector< ON_3dPoint >	points
	)

create a cubic nurbs curve by interpolating a set of points return id of the curve method: Local cubic interpolation with C1 continuity reference: The NURBS Book (2nd Edition), chapter 9.3.4

brep_curve_copy()

int brep_curve_copy	(	ON_Brep *	brep,
		int	curve_id
	)

copy a curve from brep return id of the new curve

brep_curve_remove()

bool brep_curve_remove	(	ON_Brep *	brep,
		int	curve_id
	)

remove a curve from brep

Attention

the index of m_C3 is changed after remove!!!

brep_curve_move()

bool brep_curve_move	(	ON_Brep *	brep,
		int	curve_id,
		const ON_3dVector &	point
	)

move curve along a vector.

brep_curve_set_cv()

bool brep_curve_set_cv	(	ON_Brep *	brep,
		int	curve_id,
		int	cv_id,
		const ON_4dPoint &	point
	)

set control vertex of a curve

brep_curve_reverse()

bool brep_curve_reverse	(	ON_Brep *	brep,
		int	curve_id
	)

reverse parameterizatrion by negating all knots and reversing the order of the control vertices.

brep_curve_insert_knot()

bool brep_curve_insert_knot	(	ON_Brep *	brep,
		int	curve_id,
		double	knot,
		int	multiplicity
	)

insert knots into a curve

brep_curve_trim()

bool brep_curve_trim	(	ON_Brep *	brep,
		int	curve_id,
		double	t0,
		double	t1
	)

trim a curve using a parameter range

brep_curve_split()

bool brep_curve_split	(	ON_Brep *	brep,
		int	curve_id,
		double	t
	)

split a curve at a parameter. Old curve will be deleted.

brep_curve_join()

int brep_curve_join	(	ON_Brep *	brep,
		int	curve_id_1,
		int	curve_id_2
	)

join the end of curve_id_1 to the start of curve_id_2. return id of the new curve, delete the two old curves.

Attention

the index of m_C3 is changed after join!!!

brep_surface_make()

int brep_surface_make	(	ON_Brep *	brep,
		const ON_3dPoint &	position
	)

create a nurbs curve using a template position can be specified if argc == 3 return id of the surface

brep_surface_extract_vertex()

int brep_surface_extract_vertex	(	ON_Brep *	brep,
		int	surface_id,
		double	u,
		double	v
	)

extract a vertex from a surface

brep_surface_extract_curve()

int brep_surface_extract_curve	(	ON_Brep *	brep,
		int	surface_id,
		int	dir,
		double	t
	)

extract a curve from a surface

brep_surface_interpCrv()

int brep_surface_interpCrv	(	ON_Brep *	brep,
		int	cv_count_x,
		int	cv_count_y,
		std::vector< ON_3dPoint >	points
	)

create a bicubic nurbs surface by interpolating a set of points return id of the surface method: Global cubic interpolation with C2 continuity reference: The NURBS Book (2nd Edition), chapter 9.2.5

brep_surface_copy()

int brep_surface_copy	(	ON_Brep *	brep,
		int	surface_id
	)

copy a surface from brep return id of the new surface

brep_surface_move()

bool brep_surface_move	(	ON_Brep *	brep,
		int	surface_id,
		const ON_3dVector &	point
	)

move surface to a new position

brep_surface_set_cv()

bool brep_surface_set_cv	(	ON_Brep *	brep,
		int	surface_id,
		int	cv_id_u,
		int	cv_id_v,
		const ON_4dPoint &	point
	)

set control vertex of a curve

brep_surface_trim()

bool brep_surface_trim	(	ON_Brep *	brep,
		int	surface_id,
		int	dir,
		double	t0,
		double	t1
	)

trim a surface using a parameter range dir = 0: u direction dir = 1: v direction

brep_surface_split()

bool brep_surface_split	(	ON_Brep *	brep,
		int	surface_id,
		int	dir,
		double	t
	)

split a surface at a parameter. Old surface will be deleted.

brep_surface_create_ruled()

int brep_surface_create_ruled	(	ON_Brep *	brep,
		int	curve_id0,
		int	curve_id1
	)

create a ruled surface. The two curves must have the same NURBS form knots. srf(s,t) = (1.0-t)*curveA(s) + t*curveB(s). return: if successful, id of the new surface; otherwise, -1.

brep_surface_tensor_product()

int brep_surface_tensor_product	(	ON_Brep *	brep,
		int	curve_id0,
		int	curve_id1
	)

create a surface by extruding a curve along another curve. return: if successful, id of the new surface; otherwise, -1.

brep_surface_revolution()

int brep_surface_revolution	(	ON_Brep *	brep,
		int	curve_id0,
		ON_3dPoint	line_start,
		ON_3dPoint	line_end,
		double	angle = 2 *ON_PI
	)

create a surface by rotating a curve around an axis. return: if successful, id of the new surface; otherwise, -1.

brep_surface_remove()

bool brep_surface_remove	(	ON_Brep *	brep,
		int	surface_id
	)

remove a surface from brep

Attention

the index of m_S is changed after remove!!!

brep_edge_create()

int brep_edge_create	(	ON_Brep *	brep,
		int	from,
		int	to,
		int	curve
	)

create a brep edge

brep_face_create()

int brep_face_create	(	ON_Brep *	brep,
		int	surface
	)

create a brep face

brep_face_reverse()

bool brep_face_reverse	(	ON_Brep *	brep,
		int	face
	)

reverse a brep face

brep_loop_create()

int brep_loop_create	(	ON_Brep *	brep,
		int	face_id
	)

create a brep face loop

brep_trim_create()

int brep_trim_create	(	ON_Brep *	brep,
		int	loop_id,
		int	edge_id,
		int	orientation,
		int	para_curve_id
	)

create a trim of a loop