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本帖最后由 p36288 于 2010-9-10 22:39 编辑
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我想用NX Open C++编个简单的外部程序生成一条Studio Spline曲线,直接用操作记录稍微改了一下。程序没有报错,但是调试的时候在“studioSplineBuilder1->CommitFeature()”这句(代码倒数第九行)跳出来这个中断:“***.exe 中的 0x2031f7eb 处未处理的异常: 0xC0000005: 读取位置 0x00000000 时发生访问冲突”(Unhandled exception at 0x2031f7eb in test.exe: 0xC0000005: Access violation reading location 0x00000000.)。请大牛指教。" }) y/ y6 h- ~7 Q$ q
我尝试过生成直线或圆弧,都没有这个问题。- q* O7 h. h# j: J Y; z( L0 y, w
我的邮箱:p36288@gmail.com,用的是NX7.0,中文Visual Studio 2008,系统WinXP。下面是程序原文:- /* Include files */7 F. Q" f8 |4 I! l z
- #if ! defined ( __hp9000s800 ) && ! defined ( __sgi ) && ! defined ( __sun )1 ?. w t" A' Y1 O" K+ d. O
- # include <strstream>
6 q$ P, m+ u+ s) ^; o- b5 S - # include <iostream>
, V0 A3 Q' J& m" O - using std::ostrstream; T v% i, G' y: @
- using std::endl; 2 B. |, B* q, l- Y: }
- using std::ends;+ A2 |9 w. n, I9 D6 O# U$ Z2 C! Z7 q
- using std::cerr;3 l5 a7 F6 x$ s4 u
- #else4 S+ R; u% T/ ^3 L7 q1 [6 q, f- a1 o
- # include <strstream.h>
' \# |+ Q& y, X# x- T - # include <iostream.h>& h* B9 G+ M d! x% v6 ]' P
- #endif4 S6 `( K7 S" b6 Q
- #include <uf.h>: f3 k: m' s$ o- z7 P4 O
- #include <ug_session.hxx>' k M* Z4 E+ H+ f: U% u6 L- y
- #include <UG_exception.hxx>
}+ `1 V6 X; H7 h& B - #include <uf_defs.h>( A: f& Z& M) J5 p
- /*Your Code*/
1 P7 R- x$ e; D# e( [! M - #include <NXOpen/NXException.hxx>* D9 K k7 l2 L
- #include <NXOpen/Session.hxx>
' M" C" n# h' L; D/ u - #include <NXOpen/BasePart.hxx>1 r- S5 x( I6 H; q& x2 ?( A
- #include <NXOpen/Builder.hxx>
4 v! O, ?5 l0 C - #include <NXOpen/Features_Feature.hxx>7 L- S) M+ p$ |$ ?8 ?' D
- #include <NXOpen/Features_FeatureBuilder.hxx>
; B0 V+ l8 D. b - #include <NXOpen/Features_FeatureCollection.hxx>
& \4 n+ M! I5 Q$ D. ? - #include <NXOpen/Features_GeometricConstraintData.hxx>
3 b w# H* Z! |* A, c; l6 v; Q2 O/ y - #include <NXOpen/Features_GeometricConstraintDataManager.hxx>
, w, c; k# G7 J+ q! S) q1 o - #include <NXOpen/Features_StudioSplineBuilder.hxx>
7 E6 g: _$ U! n8 {# O8 M - #include <NXOpen/Part.hxx>
. j, [1 ^& x9 S$ ?1 |( Q+ K - #include <NXOpen/PartCollection.hxx>9 B+ {, N; n' h: \* X: Z6 A* J
- #include <NXOpen/PartSaveStatus.hxx>
) i2 l7 a0 Z) y$ Q9 }+ t: E - #include <NXOpen/Point.hxx>
7 T3 p- U$ W" c5 p$ r2 W j& N - #include <NXOpen/PointCollection.hxx>
* D6 {$ ?1 v; ]. ]2 u7 e - #include <NXOpen/Preferences_PartModeling.hxx>$ F+ T8 D- P# T4 g6 Y# D
- #include <NXOpen/Preferences_PartPreferences.hxx>
) }/ k$ v; \! `* s% l7 X - #include <NXOpen/Session.hxx>
$ R6 K b0 u q( V; X3 @/ Y - #include <NXOpen/Spline.hxx>9 y0 \3 O* U, Q- W, i; b2 F
- #include <NXOpen/Update.hxx>
) Y5 A, d& F- {8 T, a - using namespace NXOpen;6 S# K6 s) q/ \
/ m* j4 c$ C$ _4 }0 e- /* Main routine */
- \5 ~& B% L* P0 \0 T - extern void main( char argc, char *argv[] )
5 M9 g8 F* p6 @) V" }; B - {" T6 J8 x# h& z
- Session *theSession = Session::GetSession();: a: X4 a$ o' H) Q" q2 b) Y- a
- NXOpen::NXString partName = "NXcurve.prt";& e6 L2 y8 `, d# N( m: D7 J9 S
- Part *workPart = theSession->;Parts()->NewDisplay(partName, NXOpen::Part::UnitsInches);3 U" j5 J# Y9 V( f; N! j
- /*创建Studio Spline*/
4 Y8 w, m# W1 ?8 R - Point3d coordinates1(-60.9672168874869, -85.3444953331698, -16.2564577575515);
. R9 ?% v- X: ]2 L% R - Point *point1;1 K( [/ h+ X: W9 a8 Q2 N
- point1 = workPart->;Points()->CreatePoint(coordinates1);2 W, B% ^# k* m' z" O' U- u) E4 z
- Point3d coordinates2(-36.7798197522759, -26.6915553863001, 28.8322080982988);
- }) \! Z4 Q& i* @& j8 v - Point *point2;
( b5 W3 s9 P& Z* x3 s; o - point2 = workPart->;Points()->CreatePoint(coordinates2);; M+ e* Z+ Y Y. L: z! A. n3 W: y$ B
- Point3d coordinates3(-3.3110308509701, -13.9095206113823, -15.3362809033505);
% g6 t \- j9 w7 V- @+ _% f - Point *point3;
2 a2 W; b8 j) L1 _) ^' _ - point3 = workPart->;Points()->CreatePoint(coordinates3);
1 c7 x% d) U) v q. }/ _ - Point3d coordinates4(50.4956319822501, 34.6877235376336, -42.6348609113142);
( N, S0 T0 Z+ e& \/ q# ^ - Point *point4; k4 g; J0 _; P$ {; |; C4 _5 E
- point4 = workPart->;Points()->CreatePoint(coordinates4);, P8 L+ o8 C5 f9 @
; o( ]% |1 P( b. W3 d m- Features::StudioSpline *nullFeatures_StudioSpline(NULL);
* n" j3 z5 D$ t! @$ q - Features::StudioSplineBuilder *studioSplineBuilder1;
4 B; |5 }! ~2 b7 @9 M3 `( m8 O - studioSplineBuilder1 = workPart->Features()->CreateStudioSplineBuilder(nullFeatures_StudioSpline);& Z; E/ I5 H1 s( A
- studioSplineBuilder1->SetInputCurveOption(Features::StudioSplineBuilder::CurveOptionRetain);
) k, h( K1 G; \9 r4 c4 U - studioSplineBuilder1->SetSplineMethod(Features::StudioSplineBuilder::MethodByPoles);6 r2 p$ z: b% W. Q' H
- studioSplineBuilder1->SetDegree(3);# P3 b. H/ h$ Z7 D: b
- studioSplineBuilder1->SetPeriodic(false);
/ O/ u1 E. o( `7 m& ^" x \2 g - std::vector<double> knots1(0);
" D$ n+ i- m8 B: U - studioSplineBuilder1->SetKnots(knots1);
5 s0 T2 D/ f4 X, @3 |; l - std::vector<double> parameters1(0);' X! |% O) \$ z) M3 i; o3 W3 K7 P3 }- M
- studioSplineBuilder1->SetParameters(parameters1);
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$ o, Q$ V+ W$ L$ o4 Q- Features::GeometricConstraintData *geometricConstraintData1;
& l n! i" d$ I; n4 X- W9 ?) i7 R - geometricConstraintData1 = studioSplineBuilder1->ConstraintManager()->CreateGeometricConstraintData();
) k/ G0 W9 n. q. C3 _- L, B \ - geometricConstraintData1->SetPoint(point1);4 S: A( U6 o9 @0 s; S
- geometricConstraintData1->SetAutomaticConstraintDirection(Features::GeometricConstraintData::ParameterDirectionIso);
7 s9 ?& I' O' \3 i - geometricConstraintData1->SetAutomaticConstraintType(Features::GeometricConstraintData::AutoConstraintTypeNone);+ x& P! }% O$ C6 x* M5 v
- Direction *nullDirection(NULL);
3 I+ `' G) q! t5 s4 \3 h - geometricConstraintData1->SetTangentDirection(nullDirection);& w# r$ `" w) I
- Scalar *nullScalar(NULL);
4 K5 b0 Z. A. v: A - geometricConstraintData1->SetTangentMagnitude(nullScalar);8 m$ |3 ?3 o/ E& w* t" {, C3 b
- Offset *nullOffset(NULL);
: g" P2 H% e6 N. E - geometricConstraintData1->SetCurvature(nullOffset);
3 _- K' Q, T6 P- N# V" ]2 o5 Z* \ - geometricConstraintData1->SetCurvatureDerivative(nullOffset);2 f2 O" E! \0 ^7 z: W
- geometricConstraintData1->SetHasSymmetricModelingConstraint(false);
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! o* J+ O7 k6 ~( [0 L/ D7 ~( j- Features::GeometricConstraintData *geometricConstraintData2;
; L& e- W. g4 Z+ R2 b$ b - geometricConstraintData2 = studioSplineBuilder1->ConstraintManager()->CreateGeometricConstraintData();7 M: d2 V7 P3 Z# i6 u1 @
- geometricConstraintData2->SetPoint(point2);
9 V( G2 s6 ^+ [) p& Y% b - geometricConstraintData2->SetAutomaticConstraintDirection(Features::GeometricConstraintData::ParameterDirectionIso);) B; G% F9 |0 x1 \: t' T4 \
- geometricConstraintData2->SetAutomaticConstraintType(Features::GeometricConstraintData::AutoConstraintTypeNone);
, Q1 u8 o3 @7 U5 t! J; f - geometricConstraintData2->SetTangentDirection(nullDirection);
+ t6 k: A7 F' I7 Z0 T# d# C$ B0 O - geometricConstraintData2->SetTangentMagnitude(nullScalar);8 H) T, X; A9 F2 B% j5 ~# z
- geometricConstraintData2->SetCurvature(nullOffset); H6 X! S2 l Z0 `; n' l8 Z5 \
- geometricConstraintData2->SetCurvatureDerivative(nullOffset);
+ {. s6 G7 A0 h' ~+ o - geometricConstraintData2->SetHasSymmetricModelingConstraint(false);
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- Features::GeometricConstraintData *geometricConstraintData3;, ^+ b2 k+ m; b* r& d# E
- geometricConstraintData3 = studioSplineBuilder1->ConstraintManager()->CreateGeometricConstraintData();
9 \! m- Q* ]& N+ M2 H - geometricConstraintData3->SetPoint(point3);
4 H: ^+ {# p5 L% J - geometricConstraintData3->SetAutomaticConstraintDirection(Features::GeometricConstraintData::ParameterDirectionIso);
* Y% `) r0 q! }8 \# R, W7 |4 L - geometricConstraintData3->SetAutomaticConstraintType(Features::GeometricConstraintData::AutoConstraintTypeNone);
9 ] L M9 r) j - geometricConstraintData3->SetTangentDirection(nullDirection);
: D' [! [* D: g! m - geometricConstraintData3->SetTangentMagnitude(nullScalar);
- E+ S- U) J* k) ^" ^7 e X- @ - geometricConstraintData3->SetCurvature(nullOffset);5 o6 G" S- ^2 k- @; `% u
- geometricConstraintData3->SetCurvatureDerivative(nullOffset);1 E ]* K" b) [2 o9 u3 q
- geometricConstraintData3->SetHasSymmetricModelingConstraint(false);
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( g, T' B& E F- [- \. h) T- Features::GeometricConstraintData *geometricConstraintData4;) Z1 f$ @3 \7 p
- geometricConstraintData4 = studioSplineBuilder1->ConstraintManager()->CreateGeometricConstraintData();
2 D$ D, O& m: N! P2 O - geometricConstraintData4->SetPoint(point4);2 X: f5 z; p+ y5 M9 _+ H
- geometricConstraintData4->SetAutomaticConstraintDirection(Features::GeometricConstraintData::ParameterDirectionIso);
4 m3 `3 g% N# G' g - geometricConstraintData4->SetAutomaticConstraintType(Features::GeometricConstraintData::AutoConstraintTypeNone);0 X+ c* C; o& x1 o: G
- geometricConstraintData4->SetTangentDirection(nullDirection);# W6 q( V6 H' e
- geometricConstraintData4->SetTangentMagnitude(nullScalar);. }5 S8 J( T+ M6 L% d
- geometricConstraintData4->SetCurvature(nullOffset);
% `: q6 X A/ U% y# }. u$ D6 n - geometricConstraintData4->SetCurvatureDerivative(nullOffset);* k2 O+ z9 Z* ` d9 N z
- geometricConstraintData4->SetHasSymmetricModelingConstraint(false);
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- std::vector<Features::GeometricConstraintData *> constraints1(4);
( x4 @' L+ _ @* }. z0 c) y a6 O - constraints1[0] = geometricConstraintData1;
0 p3 R9 F" v# Y" X - constraints1[1] = geometricConstraintData2;& M: A9 H4 h# r$ _; J& q
- constraints1[2] = geometricConstraintData3;
% G/ h9 ^/ ~- s& |) T1 x1 U* P - constraints1[3] = geometricConstraintData4;4 D+ _* ]$ B5 ]$ \) O
- studioSplineBuilder1->ConstraintManager()->SetContents(constraints1);
+ ]4 e6 g x6 I1 F. u
) M( c* c# s1 o- Features::Feature *feature1;! p6 |3 r: X7 T+ L
- feature1 = studioSplineBuilder1->CommitFeature();) Y" k6 Q, \5 V$ } Q4 q! o! v
- Spline *spline1;( L6 S2 C) n, d5 r5 f. V
- spline1 = studioSplineBuilder1->Curve();! x3 |2 \7 t/ J/ N: }
- studioSplineBuilder1->Destroy();0 _ V9 N9 U$ U% R2 b
- /*Save*/, n6 [) |% m4 R( {) T
- NXOpen::PartSaveStatus *partSaveStatus;
9 g& N h1 u. r" b0 {( R% a - workPart->Save(NXOpen::Part::SaveComponentsTrue, NXOpen::Part::CloseAfterSaveTrue, &partSaveStatus);+ u' y* c/ B0 K8 b0 n6 L
- }
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