用NX Open C++画Studio Spline的访问冲突中断

p36288 · 发表于 2010-9-10 22:35

本帖最后由 p36288 于 2010-9-10 22:39 编辑

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。
我尝试过生成直线或圆弧，都没有这个问题。
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 */
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#if ! defined ( __hp9000s800 ) && ! defined ( __sgi ) && ! defined ( __sun )
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# include <strstream>! k/ G0 ^7 ^# ^% l
# include <iostream>3 X! R. _9 j& s/ }, Z
using std::ostrstream;! [2 b3 ?+ [1 n
using std::endl;
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using std::ends;) A7 L6 |2 g, s, A% d
using std::cerr;9 S( S/ z4 n3 v' _" @$ _. p
#else
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# include <strstream.h>
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# include <iostream.h>$ i8 U1 R8 J3 l9 ?* U) B
#endif
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#include <uf.h>* h% e, \6 a( [% Y" s
#include <ug_session.hxx>+ D; ^ r/ R3 w
#include <UG_exception.hxx>
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#include <uf_defs.h>
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/*Your Code*/
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#include <NXOpen/NXException.hxx>+ E5 A* R6 c! j O# y* E3 v
#include <NXOpen/Session.hxx>
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#include <NXOpen/BasePart.hxx>* o# ]/ S+ Z& o7 A! v" t3 I
#include <NXOpen/Builder.hxx>5 O; i) F/ h4 t2 X+ _
#include <NXOpen/Features_Feature.hxx>
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#include <NXOpen/Features_FeatureBuilder.hxx>
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#include <NXOpen/Features_FeatureCollection.hxx>
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#include <NXOpen/Features_GeometricConstraintData.hxx>
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#include <NXOpen/Features_GeometricConstraintDataManager.hxx>. v" n5 l/ f3 K0 U+ m
#include <NXOpen/Features_StudioSplineBuilder.hxx> y% O3 M4 g6 V% i! V4 J& o
#include <NXOpen/Part.hxx>
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#include <NXOpen/PartCollection.hxx>1 W( }+ t7 E* a5 @6 A
#include <NXOpen/PartSaveStatus.hxx>
#include <NXOpen/Point.hxx>- J8 b/ j& L: |, }
#include <NXOpen/PointCollection.hxx>5 a/ B9 U' o0 N/ k( w
#include <NXOpen/Preferences_PartModeling.hxx>
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#include <NXOpen/Preferences_PartPreferences.hxx>3 K ?: j3 ^0 b4 J
#include <NXOpen/Session.hxx>
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#include <NXOpen/Spline.hxx>& K9 `! @% o; {! X! W
#include <NXOpen/Update.hxx>
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using namespace NXOpen;0 \8 V& r: W# i+ H0 j+ n1 p
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/* Main routine */
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extern void main( char argc, char *argv[] )
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Session *theSession = Session::GetSession();( Z/ {2 |& p% z: C
NXOpen::NXString partName = "NXcurve.prt";
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Part *workPart = theSession->;Parts()->NewDisplay(partName, NXOpen::Part::UnitsInches);
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/*创建Studio Spline*/
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Point3d coordinates1(-60.9672168874869, -85.3444953331698, -16.2564577575515);
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Point *point1;6 V+ {- M' N% _% n: K8 W
point1 = workPart->;Points()->CreatePoint(coordinates1);( n# A/ S! Y6 F
Point3d coordinates2(-36.7798197522759, -26.6915553863001, 28.8322080982988);
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Point *point2;8 y2 k* D) o) g0 _& w/ U% h$ y
point2 = workPart->;Points()->CreatePoint(coordinates2);5 h3 [ j3 R) s5 w
Point3d coordinates3(-3.3110308509701, -13.9095206113823, -15.3362809033505);
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Point *point3;, }7 t" j8 ~" o, O0 O
point3 = workPart->;Points()->CreatePoint(coordinates3);5 U U8 ^ ~9 C
Point3d coordinates4(50.4956319822501, 34.6877235376336, -42.6348609113142);5 Q- ~) ]+ e4 C# }5 l& v/ U
Point *point4;
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point4 = workPart->;Points()->CreatePoint(coordinates4);7 ]2 m3 h2 W2 `- f6 p0 Z0 n/ o
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Features::StudioSpline *nullFeatures_StudioSpline(NULL);) Q e3 B( [1 A$ _$ H: }$ {
Features::StudioSplineBuilder *studioSplineBuilder1;% q3 x$ q5 g' d2 ?( K
studioSplineBuilder1 = workPart->Features()->CreateStudioSplineBuilder(nullFeatures_StudioSpline);/ B2 y5 ]$ w8 y5 w
studioSplineBuilder1->SetInputCurveOption(Features::StudioSplineBuilder::CurveOptionRetain);/ k( ]$ g2 e5 p/ M+ }3 `
studioSplineBuilder1->SetSplineMethod(Features::StudioSplineBuilder::MethodByPoles);
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studioSplineBuilder1->SetDegree(3);* n. c" ~1 K2 l1 W$ R
studioSplineBuilder1->SetPeriodic(false);
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std::vector<double> knots1(0);
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studioSplineBuilder1->SetKnots(knots1);& S; e) g( g7 Q4 H$ Q) j: S; J
std::vector<double> parameters1(0);+ U9 V/ k$ L& I, s1 P2 e+ J3 ^5 \0 L
studioSplineBuilder1->SetParameters(parameters1);
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Features::GeometricConstraintData *geometricConstraintData1;
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geometricConstraintData1 = studioSplineBuilder1->ConstraintManager()->CreateGeometricConstraintData();
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geometricConstraintData1->SetPoint(point1);- @( V$ h6 \2 A3 n- w( `' u. s; x& q
geometricConstraintData1->SetAutomaticConstraintDirection(Features::GeometricConstraintData::ParameterDirectionIso);/ U K0 A5 m' @& }& ^6 J3 I5 m
geometricConstraintData1->SetAutomaticConstraintType(Features::GeometricConstraintData::AutoConstraintTypeNone);
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Direction *nullDirection(NULL);
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geometricConstraintData1->SetTangentDirection(nullDirection);8 L A; d# a0 ?5 k* }- X
Scalar *nullScalar(NULL);: w2 ~$ w) H( z5 `" a
geometricConstraintData1->SetTangentMagnitude(nullScalar);
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Offset *nullOffset(NULL);! ]2 i2 S2 x; g! Q2 ?+ r4 o$ x
geometricConstraintData1->SetCurvature(nullOffset);
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geometricConstraintData1->SetCurvatureDerivative(nullOffset);
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geometricConstraintData1->SetHasSymmetricModelingConstraint(false);
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Features::GeometricConstraintData *geometricConstraintData2;4 {$ }' Z) J( {* u
geometricConstraintData2 = studioSplineBuilder1->ConstraintManager()->CreateGeometricConstraintData();
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geometricConstraintData2->SetPoint(point2);
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geometricConstraintData2->SetAutomaticConstraintDirection(Features::GeometricConstraintData::ParameterDirectionIso);
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geometricConstraintData2->SetAutomaticConstraintType(Features::GeometricConstraintData::AutoConstraintTypeNone);
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geometricConstraintData2->SetTangentDirection(nullDirection);
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geometricConstraintData2->SetTangentMagnitude(nullScalar);" j8 C. q% ^3 I' r# K
geometricConstraintData2->SetCurvature(nullOffset);/ m2 J0 k% H) T0 w% }1 q
geometricConstraintData2->SetCurvatureDerivative(nullOffset);0 V, K7 ^# A: Z# h. Y' w* V
geometricConstraintData2->SetHasSymmetricModelingConstraint(false);
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Features::GeometricConstraintData *geometricConstraintData3;% h# q# f, h: B( b8 e" b
geometricConstraintData3 = studioSplineBuilder1->ConstraintManager()->CreateGeometricConstraintData();
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geometricConstraintData3->SetPoint(point3);3 V* }' O. e3 v3 _+ h
geometricConstraintData3->SetAutomaticConstraintDirection(Features::GeometricConstraintData::ParameterDirectionIso);0 |# L% @5 U5 R6 f7 H0 @* H! T
geometricConstraintData3->SetAutomaticConstraintType(Features::GeometricConstraintData::AutoConstraintTypeNone);
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geometricConstraintData3->SetTangentDirection(nullDirection);
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geometricConstraintData3->SetTangentMagnitude(nullScalar);
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geometricConstraintData3->SetCurvature(nullOffset);9 f: s1 u0 N! ]0 f
geometricConstraintData3->SetCurvatureDerivative(nullOffset);
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geometricConstraintData3->SetHasSymmetricModelingConstraint(false);
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Features::GeometricConstraintData *geometricConstraintData4;$ j! _0 N, Q- H z
geometricConstraintData4 = studioSplineBuilder1->ConstraintManager()->CreateGeometricConstraintData();
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geometricConstraintData4->SetPoint(point4);
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geometricConstraintData4->SetAutomaticConstraintDirection(Features::GeometricConstraintData::ParameterDirectionIso); x5 G# F7 M8 g7 ^% q
geometricConstraintData4->SetAutomaticConstraintType(Features::GeometricConstraintData::AutoConstraintTypeNone);+ m' c" k4 G9 I- p1 x, c/ J
geometricConstraintData4->SetTangentDirection(nullDirection);" ]* c: ^( p, r- S8 |
geometricConstraintData4->SetTangentMagnitude(nullScalar);7 W- W: ?; X! M! y! A2 V5 E
geometricConstraintData4->SetCurvature(nullOffset);# Z7 [2 U: N, a( u
geometricConstraintData4->SetCurvatureDerivative(nullOffset);
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geometricConstraintData4->SetHasSymmetricModelingConstraint(false);
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std::vector<Features::GeometricConstraintData *> constraints1(4);2 P* p; q k N6 J
constraints1[0] = geometricConstraintData1;
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constraints1[1] = geometricConstraintData2;& x, X) {( a: C6 q6 _
constraints1[2] = geometricConstraintData3; s& y4 L7 ~; A/ O
constraints1[3] = geometricConstraintData4;
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studioSplineBuilder1->ConstraintManager()->SetContents(constraints1);8 \* ^8 n/ \" r8 i5 p4 o
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Features::Feature *feature1;4 }& [; n& I' u3 @# \
feature1 = studioSplineBuilder1->CommitFeature();
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Spline *spline1;
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spline1 = studioSplineBuilder1->Curve();
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studioSplineBuilder1->Destroy();
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/*Save*/- Y2 W: o2 ]$ q5 k* P- }
NXOpen::PartSaveStatus *partSaveStatus;
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workPart->Save(NXOpen::Part::SaveComponentsTrue, NXOpen::Part::CloseAfterSaveTrue, &partSaveStatus);
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}

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