PLM之家-NX9.0 二次开发实例视频31 NXOpen C++创建草图基本特征

admin · 发表于 2014-2-19 20:30:21

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PLM之家-NX9.0 二次开发实例视频31 NXOpen C++创建基本特征 <1>-草图的创建
内容：
草图作为参数化建模的基础，使用代码实现草图的创建过程，主要是对草图环境的初始化，以及草图约束的添加等问题。
目的：
在NX中，使用NXOpen C++可以很方便的进行JA的录制，从而发掘草图约束中尺寸约束和几何约束的规律，通过这种方式，可以快速的完成开发。

NXOpen C++创建草图基本特征

31 NXOpen C++创建基本特征-草图的创建(1)项目介绍
31 NXOpen C++创建基本特征-草图的创建(2)UI设计
31 NXOpen C++创建基本特征-草图的创建(3)项目创建
31 NXOpen C++创建基本特征-草图的创建(4)草图特征创建
31 NXOpen C++创建基本特征-草图的创建(5)添加几何到草图
31 NXOpen C++创建基本特征-草图的创建(6)添加草图几何约束
31 NXOpen C++创建基本特征-草图的创建(7)添加草图尺寸约束
31 NXOpen C++创建基本特征-草图的创建(8)尺寸和UI关联( Y; a. B8 A. |) V5 H* S; D& g

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()
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Sketch *nullSketch(NULL);
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SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);6 s* F! ~% Q/ q: z1 g4 N, i
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);/ L0 C; s6 R! Q; H
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);: u* u# J b U4 B
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Drafting::PreferencesBuilder *preferencesBuilder1;) e' l$ _* Y6 m; X; T' b
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);( o3 @; }7 b* n
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;& Q- C- l. G4 s9 |) H6 H7 L; a
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1)); c. @/ G6 Y7 L# M9 D% D: V
Features::Feature *feature1;" O% L- g0 Y3 V( V5 x$ C
feature1 = sketch1->Feature();6 E# F% O" Y3 S. r
feature1->SetName("XY-Plane-Sketch");; V: o3 k2 B$ H
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch
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sketch1->Activate(Sketch::ViewReorientFalse);
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");# A, S8 s6 Y- i" ]6 `$ d
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");
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double length = this->expressionLength->GetProperties()->GetDouble("Value");8 w. d' r1 B! W* L$ N' I1 O0 x7 O
// 2.1 create geometry2 a, q2 a+ g, @- v; ~8 ^2 x5 M
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Point3d startPoint1(0.0, 0.0, 0.0);
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Point3d endPoint1(0, height1, 0.0);2 y3 o; _/ H. ]3 U) T' w
Point3d endPoint2(length, height1, 0.0);7 L# W; E. t* K) c) A# i+ Q
Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();8 F A6 D& \6 Y# j
Point *originPoint = workPart->Points()->CreatePoint(origin);7 b8 M0 `1 q. M4 e0 u4 w1 r
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Line *line1,*line2,*line3,*line4;/ q# A1 ?- U3 X6 K# p
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);: X3 T3 x1 n: m% ]
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);' p& r& V1 [" e, Y& l% |% n
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);2 @ a0 l1 R/ L, p' x8 ]
// 2.2 add geometry' n: n4 r5 V I5 F4 }
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);8 E6 d- \3 z& X
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);) |/ ]. Y( e: p( \& q% f! i
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);) L6 ~. ^4 ~' k( f
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);* } k- c* `. F9 i
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//3 add constraints ( gemo)- A0 B7 |4 o3 @) k9 v3 u
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Sketch::ConstraintGeometry geomline1;8 v+ ^: v. ]+ R& P/ i9 P
geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;& }% K0 V( I7 t! P8 p
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);* P( {/ [" H* U6 B
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Sketch::ConstraintGeometry geomline2;/ L% A" ?0 \) d
geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;" M0 R& X* A6 q* x
geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;. K( x" v" o" q9 @6 k# i
geomline3.Geometry = line3;, o5 ~9 A7 t* Y3 E
geomline3.PointType = Sketch::ConstraintPointTypeNone;+ j; S6 L/ ~& T5 N
geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);
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Sketch::ConstraintGeometry geomline1_startPoint;
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geomline1_startPoint.Geometry = line1;4 ^* T+ h) K( O4 @8 _+ I* ^6 ]
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;
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geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;% M. @' y6 j9 X+ n
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);
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//4 add constraints (dimension)9 v9 G: e4 C. y& U8 e
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NXObject *nullNXObject(NULL);
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stringstream s_height1,s_height2,s_length;: Q, J" O3 a# b8 ?* ~. u+ P- p& b1 v6 D
s_height1 <<height1;% q2 q# B3 H1 e" l* z3 z
s_height2 <<height2;
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s_length <<length;- G( ]: p8 M" ] W3 A
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str()); R* ] M/ ^, u& N% i" y
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());$ ~3 d- X6 |. {- o8 i
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());. M; [* @+ M1 I8 d% R- ^
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// line1 dimension & i3 p' b7 t9 @3 U0 o. a2 H
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Sketch::DimensionGeometry dimLine1_startPoint;# T0 [$ M! \+ N3 f( x/ b0 [/ h
dimLine1_startPoint.Geometry = line1;- L( l" [6 _0 O" Y l/ }! ^3 C; q
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;- G: s1 z% b. p e# e" R
dimLine1_startPoint.HelpPoint.X = 0.0;
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dimLine1_startPoint.HelpPoint.Y = 0.0;/ `; U$ r9 {1 Z; G! A" p
dimLine1_startPoint.HelpPoint.Z = 0.0;9 i, F9 q8 l9 B V( h
dimLine1_startPoint.View = nullNXObject;8 W" _) N$ y! m( b
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;
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dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;
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dimLine1_endPoint.HelpPoint.X = 0.0;
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dimLine1_endPoint.HelpPoint.Y = 0.0;. K X/ M9 ~' ?+ D3 `8 u
dimLine1_endPoint.HelpPoint.Z = 0.0;4 a; A+ Y( o4 i% X6 Q3 R
dimLine1_endPoint.View = nullNXObject;& @% b! A _; I1 m: K: \6 [2 A9 }
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Point3d dimOrigin1(-100, height1/2, 0.0);! M1 M- p* r: L* Q8 M' s1 e
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);
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// line2 dimension 5 F. Z# i' @+ T4 e ^6 b% N
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Sketch::DimensionGeometry dimLine2_startPoint;* x( O/ F9 {+ B! a4 Y
dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;1 d+ n1 v9 [9 K$ c8 h
dimLine2_startPoint.HelpPoint.X = 0.0;8 ~- z/ j4 O3 m7 l6 u
dimLine2_startPoint.HelpPoint.Y = 0.0;
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dimLine2_startPoint.HelpPoint.Z = 0.0;
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dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;
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dimLine2_endPoint.Geometry = line2;
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dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;" @- h. ?. i% N3 E2 f$ M
dimLine2_endPoint.AssocValue = 0;1 J. A; R( k3 c& M7 A
dimLine2_endPoint.HelpPoint.X = 0.0;: y/ I: }6 T7 p) F! z1 l2 C
dimLine2_endPoint.HelpPoint.Y = 0.0;
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dimLine2_endPoint.HelpPoint.Z = 0.0;
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dimLine2_endPoint.View = nullNXObject;$ \9 q6 }, G% e- r% b' J1 E4 l
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Point3d dimOrigin2(length /2,100 + height1, 0.0);9 m" m2 ?2 B) l2 s
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);) l+ ~7 R$ b: W, f. `) j; g
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;
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dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine3_startPoint.AssocValue = 0;+ {4 d- p# f% Q; ^- K
dimLine3_startPoint.HelpPoint.X = 0.0;( {: } i7 h y! ?4 y, R0 x9 L
dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;9 c7 M" j7 _/ T+ l
dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint;" k! d9 B* {; b* d4 `5 @. @0 u
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;% q# ~1 }: |7 `- D5 C
dimLine3_endPoint.AssocValue = 0;* ~. N0 U/ W9 Y3 g' X
dimLine3_endPoint.HelpPoint.X = 0.0;+ I: N' b8 C: K8 X( [2 ]
dimLine3_endPoint.HelpPoint.Y = 0.0;
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dimLine3_endPoint.HelpPoint.Z = 0.0;1 L. u" } ~, q% ?* c, ~! a
dimLine3_endPoint.View = nullNXObject;
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving);
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//5 update & deactive5 D3 @ U7 E* O$ C1 J) k
sketch1->Update();
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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delete expression1;3 ?0 P) b# ~. J, Y
delete expression2;8 M7 h3 ?8 W, ^$ J/ p: z% X
delete expression3;
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}
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复制代码

admin · 发表于 2014-2-19 20:30:29

PLM之家NX9.0二次开发视频教程 31 NXOpen C++草图的创建(1)项目介绍 [flash] [/flash] PLM之家NX9.0二次开发视频教程 31 NXOpen C++草图的创建(2)对话框UI设计 [flash] [/flash] PLM之家NX9.0二次开发视频教程 31 NXOpen C++草图的创建(3)项目创建 [flash] [/flash] PLM之家NX9.0二次开发视频教程 31 NXOpen C++草图的创建(4)草图特征创建 [flash] [/flash] PLM之家NX9.0二次开发视频教程 31 NXOpen C++草图的创建(5)添加几何到草图 [flash] [/flash] PLM之家NX9.0二次开发视频教程 31 NXOpen C++草图的创建(6)添加草图几何约束 [flash] [/flash]

admin · 发表于 2017-10-18 20:07:01

PLM之家NX9.0二次开发视频教程 31 NXOpen C++草图的创建(7)添加草图尺寸约束

admin · 发表于 2017-10-18 20:08:07

PLM之家-NX9.0二次开发实例31 NXOpen C++草图的创建(8)尺寸和UI关联

guojie123 · 发表于 2014-2-20 09:37:02

支持，不过今天没视频啊

smthan · 发表于 2014-2-26 08:55:50

老大，您的教程很给力哟，什么时候才能膜拜呢？？

加持 · 发表于 2014-2-27 10:55:13

视频呢，我在等啊

admin · 发表于 2014-3-30 21:32:04

这部分先更新到这里

45guop · 发表于 2014-4-3 21:57:53

学习一下谢谢

leaf · 发表于 2014-4-4 21:17:42

谢谢分享

璀璨の樱之雨 · 发表于 2014-4-11 10:07:00

想要看看啊

椰子酥 · 发表于 2014-4-14 09:48:42

奈斯啊。

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