ut_rbspl.c File Reference

rational b-spline curves rbspl_ 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_ox_base.h"
#include "../ut/ut_math.h"
#include "../ut/ut_TX.h"
#include "../ut/ut_bspl.h"
#include "../ut/ut_obj.h"
#include "../gr/ut_UI.h"
#include "../xa/xa_mem.h"

Functions
int	UT3D_pt_projptrbspl (int *nxp, Point *ptOut, double *vaOut, Memspc *memSeg1, double tol, CurvRBSpl *cv, Point *pt)
int	UT3D_rbspl_ck_closed (CurvRBSpl *spi)
int	UT3D_obj_cnvt_rbspl (ObjGX *opo, CurvRBSpl *spi, Memspc *mpWrk)
int	UT3D_ci_rbspl_ (Circ *cpo, CurvRBSpl *spi)
int	UT3D_ci_rbspl3 (Circ *cpo, CurvRBSpl *spi)
int	UT3D_cv_rbsp (int *ptNr, Point *pTab, double *dTab, CurvRBSpl *cv1, int ptMax, double tol)
int	UT3D_pt_evparxCrvRBSpl (Point *pto, CurvRBSpl *cv1, double uv, double dist)
int	UT3D_pt_evparCrvRBSpl (Point *pt, double *wt, CurvRBSpl *rbspl, double u)
int	UT3D_bspl_deriv1 (CurvBSpl *bspld, Memspc *memSeg1, CurvBSpl *bspl)
int	UT3D_rbspl_deriv1 (CurvBSpl *g, CurvBSpl *fd, CurvBSpl *gd, Memspc *memSeg1, CurvRBSpl *rbspl)
int	UT3D_vc_evparCrvRBSpl (Vector *tg, CurvRBSpl *rbspl, CurvBSpl *g, CurvBSpl *fd, CurvBSpl *gd, double t)

---

Detailed Description

rational b-spline curves rbspl_

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

UT3D_pt_evparCrvRBSpl    point <-- rational b-spline at parameter
UT3D_pt_projptrbspl      project point onto rational-b-spline curve
UT3D_vc_evparCrvRBSpl    tangent vector <-- rational b-spline at parameter
UT3D_cv_rbsp             make Polygon from Rat.B-Spline-Kurve + tol
UT3D_bspl_deriv1         1. derivation b-spline curve <-- b-spline curve
UT3D_rbspl_deriv1        1. deriv. rat. b-spline curve <-- rat. b-spline curve

UT3D_rbspl_ck_closed     check if B-SplSurf is closed
UT3D_obj_cnvt_rbspl      convert Rat.B-Spl --> CI/LN; see UT3D_bsp_degrad
UT3D_ci_rbspl3           create circle from Rat.B-SplineCurve 3 ControlPoints

Liste_TESTFUNKTIONEN:
UT3D_rbspl_tst_1         testprogs
UT3D_rbspl_tst_load      load a teststruct
UT3D_rbspl_tst_cc        display ControlPoints/Curve
UT3D_rbspl_tst_tg        disp points und tangents

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

---

Function Documentation

int UT3D_pt_projptrbspl	(	int *	nxp,
		Point *	ptOut,
		double *	vaOut,
		Memspc *	memSeg1,
		double	tol,
		CurvRBSpl *	cv,
		Point *	pt
	)

int UT3D_rbspl_ck_closed

(

CurvRBSpl *

spi

)

int UT3D_obj_cnvt_rbspl	(	ObjGX *	opo,
		CurvRBSpl *	spi,
		Memspc *	mpWrk
	)

int UT3D_ci_rbspl_	(	Circ *	cpo,
		CurvRBSpl *	spi
	)

int UT3D_ci_rbspl3	(	Circ *	cpo,
		CurvRBSpl *	spi
	)

int UT3D_cv_rbsp	(	int *	ptNr,
		Point *	pTab,
		double *	dTab,
		CurvRBSpl *	cv1,
		int	ptMax,
		double	tol
	)

int UT3D_pt_evparxCrvRBSpl	(	Point *	pto,
		CurvRBSpl *	cv1,
		double	uv,
		double	dist
	)

int UT3D_pt_evparCrvRBSpl	(	Point *	pt,
		double *	wt,
		CurvRBSpl *	rbspl,
		double	u
	)

int UT3D_bspl_deriv1	(	CurvBSpl *	bspld,
		Memspc *	memSeg1,
		CurvBSpl *	bspl
	)

int UT3D_rbspl_deriv1	(	CurvBSpl *	g,
		CurvBSpl *	fd,
		CurvBSpl *	gd,
		Memspc *	memSeg1,
		CurvRBSpl *	rbspl
	)

int UT3D_vc_evparCrvRBSpl	(	Vector *	tg,
		CurvRBSpl *	rbspl,
		CurvBSpl *	g,
		CurvBSpl *	fd,
		CurvBSpl *	gd,
		double	t
	)