ut_sbsp.c File Reference

B-Spline-Surfaces UT3D_sbsp_. More...

#include "../xa/MS_Def0.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../ut/ut_geo.h"
#include "../ut/ut_bspl.h"
#include "../ut/ut_sbsp.h"
#include "../gr/ut_UI.h"
#include "../xa/xa_mem.h"

Functions
int	UT3D_sbsp_ncv (SurBSpl su1, Memspc tbuf1, int cvNr, CurvBSpl *cvtab, int deg, Memspc tbuf2, Memspc *tbuf3)
int	UT3D_sbsp_ck_net (int cv1Nr, CurvBSpl cv1tab, int cv2Nr, CurvBSpl cv2tab)
int	UT3D_sbsp_2ncv (SurBSpl su1, Memspc tbuf1, int cv1Nr, CurvBSpl cv1tab, int deg1, int cv2Nr, CurvBSpl cv2tab, int deg2, Memspc tbuf2, Memspc tbuf3)
int	UT3D_obj_cnvt_sbsp (ObjGX ox1, SurBSpl su1, Memspc *memSeg1)
int	UT3D_sbs_ck_closed (SurBSpl *su1)
int	UT3D_sbs_ck_cycX (SurBSpl *su1)
double	UT3D_sbs_ck_planar (SurBSpl *su1)
int	UT3D_uvNr_sbsp (int iu, int iv, SurBSpl sur, Memspc wrkSeg)
int	UT3D_pt_evparsbsp (Point pt, SurBSpl sur, double u, double v, Memspc *workSeg)
int	UT3D_ptgrid_sbsp (Point pTab, double du, double dv, SurBSpl sbs, int iu, int iv, Memspc *workSeg)
int	UT3D_uparmid_sbsp (double pm, SurBSpl sbs)
int	UT3D_vparmid_sbsp (double pm, SurBSpl sbs)
int	UT3D_parsbsp_pt (double up, double vp, Point pti, Point pTab, double dui, double dvi, int uNr, int vNr, SurBSpl sbs, Memspc wrkSpc)
int	UT3D_ptvc_evparsbsp (Point pto, Vector vn, int mode, int iDir, SurBSpl sbs, double pu, double pv, Memspc workSeg)
int	UT3D_bspV_sbsp_u (CurvBSpl bspl, SurBSpl sbs, double pu, Memspc *workSeg)
int	UT3D_bspU_sbsp_v (CurvBSpl bspl, SurBSpl sbs, double pv, Memspc *workSeg)
int	UT3D_bsp_sbspU (CurvBSpl bspl, int vNr, SurBSpl sur)
int	UT3D_cv_sbspout (int pNr, Point pTab, SurBSpl sur, Memspc wrkSeg)
int	UT3D_cv_sbspU (int pNr, Point pTab, double uu, SurBSpl sbs, Memspc *workSeg)
int	UT3D_cv_sbspV (int pNr, Point pTab, double vv, SurBSpl sbs, Memspc *workSeg)
int	UT3D_bsp_sbspV (CurvBSpl bspl, int uNr, SurBSpl sur, Memspc *wrkSeg)
int	UT3D_pt_intlnsbs (int nxp, Point xpTab, int xpSiz, Line ln, SurBSpl sbs, Memspc *tmpSpc1)

Detailed Description

B-Spline-Surfaces UT3D_sbsp_.

=====================================================
Liste_Funktionen_Beginn:

UT3D_sbs_ck_planar        check if B-SplSurf = planar
UT3D_sbs_ck_cycX          check if B-SplSurf is closed in X (U)
UT3D_sbs_ck_closed        check if B-SplSurf is closed (soll cycY werden)
UT3D_uvNr_sbsp            optimale Anzahl von Punkten in U/V-Richtung ermitteln
SUSbsp_ck_tol             optimale Anzahl von Punkten in U/V-Richtung ermitteln
UT3D_obj_cnvt_sbsp        degrade B-SplSur --> PlanarSurf / RuledSurf / Torus

UT3D_sbsp_2ncv            create bspl-surf from 2 groups of curves
UT3D_sbsp_ncv             create bspl-surf from 2-n across-curves

UT3D_pt_evparsbsp         point <-- evaluate surface parameter
UT3D_pt_intlnsbs          intersect Line - BspSur
UT3D_ptgrid_sbsp          Grundraster generieren (f UT3D_parsbsp_pt ..)

UT3D_parsbsp_pt           u/v-Parameter from  3D-B-SplineSurfPoint
UT3D_uparmid_sbsp         mittleren U-Wert
UT3D_vparmid_sbsp         mittleren V-Wert

UT3D_ptvc_evparsbsp       Point/Normalvektor <-- evaluate surface parameter
UT3D_bspU_sbsp_v          create B-Spline in direction U with par. u
UT3D_bspV_sbsp_u          create B-Spline in direction V with par. v
UT3D_bsp_sbspU            get U-Basiscurve from B-SplSurf
UT3D_bsp_sbspV            get V-Basiscurve from B-SplSurf

UT3D_cv_sbspout           outline (polygon) of B-SplSurf
UT3D_cv_sbspU             Isocurve (polygon) from U-wert
UT3D_cv_sbspV             Isocurve (polygon) from V-wert

Liste_Funktionen_Ende:
=====================================================

- see also:
../ut/ubssur.c    USBS_..
UT3D_sbs_ck_planar

- test functions:
UT3D_testsurf

Function Documentation

int UT3D_sbsp_ncv	(	SurBSpl *	su1,
		Memspc *	tbuf1,
		int	cvNr,
		CurvBSpl **	cvtab,
		int	deg,
		Memspc *	tbuf2,
		Memspc *	tbuf3
	)

int UT3D_sbsp_ck_net	(	int	cv1Nr,
		CurvBSpl **	cv1tab,
		int	cv2Nr,
		CurvBSpl **	cv2tab
	)

int UT3D_sbsp_2ncv	(	SurBSpl *	su1,
		Memspc *	tbuf1,
		int	cv1Nr,
		CurvBSpl **	cv1tab,
		int	deg1,
		int	cv2Nr,
		CurvBSpl **	cv2tab,
		int	deg2,
		Memspc *	tbuf2,
		Memspc *	tbuf3
	)

int UT3D_obj_cnvt_sbsp	(	ObjGX *	ox1,
		SurBSpl *	su1,
		Memspc *	memSeg1
	)

int UT3D_sbs_ck_closed ( SurBSpl * su1 )

int UT3D_sbs_ck_cycX ( SurBSpl * su1 )

double UT3D_sbs_ck_planar ( SurBSpl * su1 )

int UT3D_uvNr_sbsp	(	int *	iu,
		int *	iv,
		SurBSpl *	sur,
		Memspc *	wrkSeg
	)

int UT3D_pt_evparsbsp	(	Point *	pt,
		SurBSpl *	sur,
		double	u,
		double	v,
		Memspc *	workSeg
	)

int UT3D_ptgrid_sbsp	(	Point *	pTab,
		double *	du,
		double *	dv,
		SurBSpl *	sbs,
		int	iu,
		int	iv,
		Memspc *	workSeg
	)

int UT3D_uparmid_sbsp	(	double *	pm,
		SurBSpl *	sbs
	)

int UT3D_vparmid_sbsp	(	double *	pm,
		SurBSpl *	sbs
	)

int UT3D_parsbsp_pt	(	double *	up,
		double *	vp,
		Point *	pti,
		Point *	pTab,
		double	dui,
		double	dvi,
		int	uNr,
		int	vNr,
		SurBSpl *	sbs,
		Memspc *	wrkSpc
	)

int UT3D_ptvc_evparsbsp	(	Point *	pto,
		Vector *	vn,
		int	mode,
		int	iDir,
		SurBSpl *	sbs,
		double	pu,
		double	pv,
		Memspc *	workSeg
	)

    UT3D_ptvc_evparsbsp         get point/vector on bSplSur from U-V-params
    Input:
      mode   0=Point & vector  1=PointOnly 2=vectorOnly
      iDir   0=perp; 1=parl, 2=across;

int UT3D_bspV_sbsp_u	(	CurvBSpl *	bspl,
		SurBSpl *	sbs,
		double	pu,
		Memspc *	workSeg
	)

int UT3D_bspU_sbsp_v	(	CurvBSpl *	bspl,
		SurBSpl *	sbs,
		double	pv,
		Memspc *	workSeg
	)

int UT3D_bsp_sbspU	(	CurvBSpl *	bspl,
		int	vNr,
		SurBSpl *	sur
	)

int UT3D_cv_sbspout	(	int *	pNr,
		Point *	pTab,
		SurBSpl *	sur,
		Memspc *	wrkSeg
	)

int UT3D_cv_sbspU	(	int	pNr,
		Point *	pTab,
		double	uu,
		SurBSpl *	sbs,
		Memspc *	workSeg
	)

int UT3D_cv_sbspV	(	int	pNr,
		Point *	pTab,
		double	vv,
		SurBSpl *	sbs,
		Memspc *	workSeg
	)

int UT3D_bsp_sbspV	(	CurvBSpl *	bspl,
		int	uNr,
		SurBSpl *	sur,
		Memspc *	wrkSeg
	)

int UT3D_pt_intlnsbs	(	int *	nxp,
		Point *	xpTab,
		int	xpSiz,
		Line *	ln,
		SurBSpl *	sbs,
		Memspc *	tmpSpc1
	)

ut_sbsp.c File Reference

Functions

Detailed Description

Function Documentation