#include "common.h"
#include "vmath.h"
#include "bu/list.h"
#include "nmg/defines.h"
#include "nmg/topology.h"

Include dependency graph for nurb.h:

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Data Structures
struct	nmg_nurb_poly

struct	nmg_nurb_uv_hit

struct	oslo_mat

struct	bezier_2d_list

struct	nmg_curvature

Macros
#define	NMG_CK_EDGE_G_CNURB(_p) NMG_CKMAG(_p, NMG_EDGE_G_CNURB_MAGIC, "edge_g_cnurb")

#define	NMG_CK_EDGE_G_EITHER(_p) NMG_CK2MAG(_p, NMG_EDGE_G_LSEG_MAGIC, NMG_EDGE_G_CNURB_MAGIC, "edge_g_lseg\|edge_g_cnurb")

#define	NMG_CK_VERTEXUSE_A_CNURB(_p) NMG_CKMAG(_p, NMG_VERTEXUSE_A_CNURB_MAGIC, "vertexuse_a_cnurb")

#define	NMG_CK_VERTEXUSE_A_EITHER(_p) NMG_CK2MAG(_p, NMG_VERTEXUSE_A_PLANE_MAGIC, NMG_VERTEXUSE_A_CNURB_MAGIC, "vertexuse_a_plane\|vertexuse_a_cnurb")

#define	RT_NURB_SPLIT_ROW 0

#define	RT_NURB_SPLIT_COL 1

#define	RT_NURB_SPLIT_FLAT 2

#define	RT_NURB_PT_XY 1
	x, y coordinates More...

#define	RT_NURB_PT_XYZ 2
	x, y, z coordinates More...

#define	RT_NURB_PT_UV 3
	trim u, v parameter space More...

#define	RT_NURB_PT_DATA 4
	random data More...

#define	RT_NURB_PT_PROJ 5
	Projected Surface. More...

#define	RT_NURB_PT_RATIONAL 1

#define	RT_NURB_PT_NONRAT 0

#define	RT_NURB_MAKE_PT_TYPE(n, t, h) ((n<<5) \| (t<<1) \| h)

#define	RT_NURB_EXTRACT_COORDS(pt) (pt>>5)

#define	RT_NURB_EXTRACT_PT_TYPE(pt) ((pt>>1) & 0x0f)

#define	RT_NURB_IS_PT_RATIONAL(pt) (pt & 0x1)

#define	RT_NURB_STRIDE(pt) (RT_NURB_EXTRACT_COORDS(pt) * sizeof( fastf_t))

#define	DEBUG_NMG_SPLINE 0x00000100
	9 Splines More...

#define	NMG_CK_KNOT(_p) BU_CKMAG(_p, RT_KNOT_VECTOR_MAGIC, "knot_vector")

#define	NMG_CK_CNURB(_p) BU_CKMAG(_p, NMG_EDGE_G_CNURB_MAGIC, "cnurb")

#define	NMG_CK_SNURB(_p) BU_CKMAG(_p, NMG_FACE_G_SNURB_MAGIC, "snurb")

#define	GET_CNURB(p)

#define	GET_SNURB(p)

Functions
void	bezier (point2d_t V, int degree, double t, point2d_t Left, point2d_t *Right, point2d_t eval_pt, point2d_t normal)

int	bezier_roots (point2d_t w, int degree, point2d_t intercept, point2d_t *normal, point2d_t ray_start, point2d_t ray_dir, point2d_t ray_perp, int depth, fastf_t epsilon)

struct bezier_2d_list *	bezier_subdivide (struct bezier_2d_list *bezier_hd, int degree, fastf_t epsilon, int depth)

fastf_t	nmg_nurb_basis_eval (struct knot_vector *knts, int interval, int order, fastf_t mu)

int	nmg_nurb_bezier (struct bu_list bezier_hd, const struct face_g_snurb srf)

int	nmg_bez_check (const struct face_g_snurb *srf)

int	nurb_crv_is_bezier (const struct edge_g_cnurb *crv)

void	nurb_c_to_bezier (struct bu_list clist, struct edge_g_cnurb crv)

int	nmg_nurb_s_bound (struct face_g_snurb *srf, point_t bmin, point_t bmax)

int	nmg_nurb_c_bound (struct edge_g_cnurb *crv, point_t bmin, point_t bmax)

int	nmg_nurb_s_check (struct face_g_snurb *srf)

int	nmg_nurb_c_check (struct edge_g_cnurb *crv)

struct face_g_snurb *	nmg_nurb_scopy (const struct face_g_snurb *srf)

struct edge_g_cnurb *	nmg_nurb_crv_copy (const struct edge_g_cnurb *crv)

struct face_g_snurb *	nmg_nurb_s_diff (const struct face_g_snurb *srf, int dir)

struct edge_g_cnurb *	nmg_nurb_c_diff (const struct edge_g_cnurb *crv)

void	nmg_nurb_mesh_diff (int order, const fastf_t o_pts, fastf_t n_pts, const fastf_t *knots, int o_stride, int n_stride, int o_size, int pt_type)

void	nmg_nurb_s_eval (const struct face_g_snurb srf, fastf_t u, fastf_t v, fastf_t final_value)

void	nmg_nurb_c_eval (const struct edge_g_cnurb crv, fastf_t param, fastf_t final_value)

fastf_t *	nmg_nurb_eval_crv (fastf_t crv, int order, fastf_t param, const struct knot_vector k_vec, int k_index, int coords)

void	nmg_nurb_pr_crv (fastf_t *crv, int c_size, int coords)

int	nmg_nurb_s_flat (struct face_g_snurb *srf, fastf_t epsilon)

fastf_t	nmg_nurb_crv_flat (fastf_t *crv, int size, int pt_type)

void	nmg_nurb_kvknot (struct knot_vector *new_knots, int order, fastf_t lower, fastf_t upper, int num)

void	nmg_nurb_kvmult (struct knot_vector new_kv, const struct knot_vector kv, int num, fastf_t val)

void	nmg_nurb_kvgen (struct knot_vector *kv, fastf_t lower, fastf_t upper, int num)

void	nmg_nurb_kvmerge (struct knot_vector new_knots, const struct knot_vector kv1, const struct knot_vector *kv2)

int	nmg_nurb_kvcheck (fastf_t val, const struct knot_vector *kv)

void	nmg_nurb_kvextract (struct knot_vector new_kv, const struct knot_vector kv, int lower, int upper)

void	nmg_nurb_kvcopy (struct knot_vector new_kv, const struct knot_vector old_kv)

void	nmg_nurb_kvnorm (struct knot_vector *kv)

int	nmg_nurb_knot_index (const struct knot_vector *kv, fastf_t k_value, int order)

void	nmg_nurb_gen_knot_vector (struct knot_vector *new_knots, int order, fastf_t lower, fastf_t upper)

void	nmg_nurb_s_norm (struct face_g_snurb srf, fastf_t u, fastf_t v, fastf_t norm)

void	nmg_nurb_curvature (struct nmg_curvature cvp, const struct face_g_snurb srf, fastf_t u, fastf_t v)

void	nmg_nurb_plot_snurb (FILE fp, const struct face_g_snurb srf)

void	nmg_nurb_plot_cnurb (FILE fp, const struct edge_g_cnurb crv)

void	nmg_nurb_s_plot (const struct face_g_snurb *srf)

void	nmg_nurb_cinterp (struct edge_g_cnurb crv, int order, const fastf_t data, int n)

void	nmg_nurb_sinterp (struct face_g_snurb srf, int order, const fastf_t data, int ymax, int xmax)

struct nmg_nurb_poly *	nmg_nurb_to_poly (struct face_g_snurb *srf)

struct nmg_nurb_poly *	nmg_nurb_mk_poly (fastf_t v1, fastf_t v2, fastf_t *v3, fastf_t uv1[2], fastf_t uv2[2], fastf_t uv3[2])

struct face_g_snurb *	nmg_nurb_project_srf (const struct face_g_snurb *srf, plane_t plane1, plane_t plane2)

void	nmg_nurb_clip_srf (const struct face_g_snurb srf, int dir, fastf_t min, fastf_t *max)

struct face_g_snurb *	nmg_nurb_region_from_srf (const struct face_g_snurb *srf, int dir, fastf_t param1, fastf_t param2)

struct nmg_nurb_uv_hit *	nmg_nurb_intersect (const struct face_g_snurb srf, plane_t plane1, plane_t plane2, double uv_tol, struct bu_list plist)

struct face_g_snurb *	nmg_nurb_s_refine (const struct face_g_snurb srf, int dir, struct knot_vector kv)

struct edge_g_cnurb *	nmg_nurb_c_refine (const struct edge_g_cnurb crv, struct knot_vector kv)

void	nmg_nurb_solve (fastf_t mat_1, fastf_t mat_2, fastf_t *solution, int dim, int coords)

void	nmg_nurb_doolittle (fastf_t mat_1, fastf_t mat_2, int row, int coords)

void	nmg_nurb_forw_solve (const fastf_t lu, const fastf_t b, fastf_t *y, int n)

void	nmg_nurb_back_solve (const fastf_t lu, const fastf_t y, fastf_t *x, int n)

void	nmg_nurb_p_mat (const fastf_t *mat, int dim)

void	nmg_nurb_s_split (struct bu_list split_hd, const struct face_g_snurb srf, int dir)

void	nmg_nurb_c_split (struct bu_list split_hd, const struct edge_g_cnurb crv)

int	nmg_uv_in_lu (const fastf_t u, const fastf_t v, const struct loopuse *lu)

struct face_g_snurb *	nmg_nurb_new_snurb (int u_order, int v_order, int n_u_knots, int n_v_knots, int n_rows, int n_cols, int pt_type)

struct edge_g_cnurb *	nmg_nurb_new_cnurb (int order, int n_knots, int n_pts, int pt_type)

void	nmg_nurb_free_snurb (struct face_g_snurb *srf)

void	nmg_nurb_free_cnurb (struct edge_g_cnurb *crv)

void	nmg_nurb_c_print (const struct edge_g_cnurb *crv)

void	nmg_nurb_s_print (char c, const struct face_g_snurb srf)

void	nmg_nurb_pr_kv (const struct knot_vector *kv)

void	nmg_nurb_pr_mesh (const struct face_g_snurb *m)

void	nmg_nurb_print_pnt_type (int c)

void	nmg_nurb_clean_cnurb (struct edge_g_cnurb *crv)

struct face_g_snurb *	nmg_nurb_s_xsplit (struct face_g_snurb *srf, fastf_t param, int dir)

struct edge_g_cnurb *	nmg_nurb_c_xsplit (struct edge_g_cnurb *crv, fastf_t param)

struct oslo_mat *	nmg_nurb_calc_oslo (int order, const struct knot_vector tau_kv, struct knot_vector t_kv)

void	nmg_nurb_pr_oslo (struct oslo_mat *om)

void	nmg_nurb_free_oslo (struct oslo_mat *om)

void	nmg_nurb_map_oslo (struct oslo_mat oslo, fastf_t old_pts, fastf_t *new_pts, int o_stride, int n_stride, int lower, int upper, int pt_type)

fastf_t	rt_cnurb_par_edge (const struct edge_g_cnurb *crv, fastf_t epsilon)

void	nmg_face_g_snurb (struct faceuse fu, int u_order, int v_order, int n_u_knots, int n_v_knots, fastf_t ukv, fastf_t vkv, int n_rows, int n_cols, int pt_type, fastf_t mesh)

int	nmg_snurb_calc_lu_uv_orient (const struct loopuse *lu)

void	nmg_snurb_fu_eval (const struct faceuse *fu, const fastf_t u, const fastf_t v, point_t pt_on_srf)

void	nmg_snurb_fu_get_norm (const struct faceuse *fu, const fastf_t u, const fastf_t v, vect_t norm)

void	nmg_snurb_fu_get_norm_at_vu (const struct faceuse fu, const struct vertexuse vu, vect_t norm)

void	nmg_vertexuse_a_cnurb (struct vertexuse vu, const fastf_t uvw)

void	nmg_edge_g_cnurb (struct edgeuse eu, int order, int n_knots, fastf_t kv, int n_pts, int pt_type, fastf_t *points)

void	nmg_edge_g_cnurb_plinear (struct edgeuse *eu)

struct edge_g_cnurb *	nmg_join_cnurbs (struct bu_list *crv_head)

struct edge_g_cnurb *	nmg_arc2d_to_cnurb (point_t i_center, point_t i_start, point_t i_end, int point_type, const struct bn_tol *tol)

int	nmg_cnurb_is_linear (const struct edge_g_cnurb *cnrb)

int	nmg_snurb_is_planar (const struct face_g_snurb srf, const struct bn_tol tol)

void	nmg_eval_linear_trim_curve (const struct face_g_snurb *snrb, const fastf_t uvw[3], point_t xyz)

void	nmg_eval_trim_curve (const struct edge_g_cnurb cnrb, const struct face_g_snurb snrb, const fastf_t t, point_t xyz)

void	nmg_eval_trim_to_tol (const struct edge_g_cnurb cnrb, const struct face_g_snurb snrb, const fastf_t t0, const fastf_t t1, struct bu_list head, const struct bn_tol tol)

void	nmg_eval_linear_trim_to_tol (const struct edge_g_cnurb cnrb, const struct face_g_snurb snrb, const fastf_t uvw1[3], const fastf_t uvw2[3], struct bu_list head, const struct bn_tol tol)

int	nmg_cnurb_lseg_coincident (const struct edgeuse eu1, const struct edge_g_cnurb cnrb, const struct face_g_snurb snrb, const point_t pt1, const point_t pt2, const struct bn_tol tol)

int	nmg_cnurb_is_on_crv (const struct edgeuse eu, const struct edge_g_cnurb cnrb, const struct face_g_snurb snrb, const struct bu_list head, const struct bn_tol *tol)

Data Structures

Macros

Functions