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
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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()3 b% ^. m- q! k& Y
{
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Sketch *nullSketch(NULL);- V9 A V$ L% [0 x9 P
SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);
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sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);6 D( @: b- M9 |) L
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);) U# d; d! |* I$ Z: L# Q2 M% x
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// add preference, T* _$ B" c' W: `9 x! I
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);9 `% U) ^: X( f" V0 w
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Drafting::PreferencesBuilder *preferencesBuilder1; ]. p$ k# t$ Q9 _6 k9 ?
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();+ {% ^2 p7 a1 Z2 F9 G1 E4 l c
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);* w$ Y% h0 Y2 R& i% [* k6 n
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();3 L. V* w# R3 v `( J; K- n7 b# r" K
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preferencesBuilder1->Destroy();( E3 c( m* Z% C2 |6 @! Y8 n' x' m
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NXObject *nXObject1;3 j" _+ ?: K6 R% ?4 M
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));; \. |: [; v: O. O- _
Features::Feature *feature1;' ?/ I# ~* H' H7 k; k5 Q1 B* F6 h
feature1 = sketch1->Feature();* Z% X9 Y# S2 Y* B9 L/ ^
feature1->SetName("XY-Plane-Sketch");: C' N5 J& n% N3 F8 l' k
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sketchInPlaceBuilder1->Destroy();6 H, T3 T0 d- e1 h7 y
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//1 active sketch
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sketch1->Activate(Sketch::ViewReorientFalse);) |/ [5 _# \8 Q2 p6 G0 |
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");+ N. O \5 K# d! [$ t9 J. `. g: B
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");! }2 q4 A) U. \ k7 Y; B
double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry
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Point3d startPoint1(0.0, 0.0, 0.0);
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Point3d endPoint1(0, height1, 0.0);3 O2 |/ @8 n1 T q3 l/ h' k
Point3d endPoint2(length, height1, 0.0);+ T( [' P6 G+ w: F' C& i3 S
Point3d endPoint3(length, height1-height2, 0.0);$ `% D4 N( a0 f. `% @; o
Point3d origin = sketch1->Origin();
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Point *originPoint = workPart->Points()->CreatePoint(origin);
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Line *line1,*line2,*line3,*line4;8 v8 ?! {+ g9 e* I
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);/ k" }6 j. E1 d
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);
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line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry8 C+ Z$ A+ a8 b
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);. @, k* A7 M+ ?7 j
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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//3 add constraints ( gemo); H- H- p2 W- s7 M+ Y7 a+ p
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Sketch::ConstraintGeometry geomline1;% S$ e# O9 Y( w
geomline1.Geometry = line1;4 X& \1 j% \: }7 e/ N+ S
geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;+ |, a* ~) I% d4 `" O
geomline2.Geometry = line2; u4 {) J" a( W( |; `
geomline2.PointType = Sketch::ConstraintPointTypeNone;+ y0 P" l* ]' n
geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);0 ^2 g. @9 `+ x
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Sketch::ConstraintGeometry geomline3;: C* i# N2 ^5 p# L+ \, n8 B
geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;
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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;
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geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;- `/ W$ }, b; s8 Q( G$ k: u
geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;' S r7 y/ ?( \" h& Z3 C7 L/ u( P
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;3 Z! u( O9 U& m3 n
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);
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//4 add constraints (dimension)5 T+ P% G: T7 O4 o
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NXObject *nullNXObject(NULL);
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stringstream s_height1,s_height2,s_length;# q A9 g$ b9 K/ s: {
s_height1 <<height1;
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s_height2 <<height2;7 }$ k6 l7 z0 C. `+ u. A
s_length <<length;
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Expression *expression1,*expression2,*expression3;' ~4 X# e4 o7 l: P! i' o
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str()); X5 h" W9 U5 d& d# C% j' [! x
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;( B1 ?. x4 T" N' {( `8 K% R
dimLine1_startPoint.Geometry = line1;% _8 n6 R( M9 s
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;2 g% C% A2 x4 }& x: [0 M$ i% v8 ?0 U
dimLine1_startPoint.AssocValue = 0;% `/ Q6 ?# X/ Z+ W
dimLine1_startPoint.HelpPoint.X = 0.0;
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dimLine1_startPoint.HelpPoint.Y = 0.0;( p$ s% ~; i( i& j/ k
dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;5 m }7 L9 i! t
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;" Z7 G+ d2 R- j: A/ x4 C* b1 J
dimLine1_endPoint.HelpPoint.X = 0.0;$ H0 ]3 l# Y0 m
dimLine1_endPoint.HelpPoint.Y = 0.0;
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dimLine1_endPoint.HelpPoint.Z = 0.0;
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dimLine1_endPoint.View = nullNXObject;( M; G' E3 T b# V& F
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Point3d dimOrigin1(-100, height1/2, 0.0);
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);7 q% K- N Z+ B+ P
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// line2 dimension 8 O; ], [+ R0 I! S @- c ]- M
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Sketch::DimensionGeometry dimLine2_startPoint;
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dimLine2_startPoint.Geometry = line2;! J3 m3 t! K; ]7 h( f" r
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;; |* A! t, E, ` [
dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0;/ P# f+ P7 Z# S( F% W
dimLine2_startPoint.HelpPoint.Y = 0.0;5 H! D6 ~) ?) l k* X" d# h
dimLine2_startPoint.HelpPoint.Z = 0.0;+ j9 E9 T1 U5 k$ ]% |2 e
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;
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dimLine2_endPoint.AssocValue = 0;9 X# V6 I0 B" [$ O$ q# Q
dimLine2_endPoint.HelpPoint.X = 0.0;! S* ~* a1 ^7 J9 f7 V
dimLine2_endPoint.HelpPoint.Y = 0.0;1 g0 u/ e$ v* L
dimLine2_endPoint.HelpPoint.Z = 0.0;2 ?1 H2 K1 Y; X/ S9 h( j4 ?0 R3 m& B, A
dimLine2_endPoint.View = nullNXObject;
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Point3d dimOrigin2(length /2,100 + height1, 0.0);
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);
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// line3 dimension ; E$ A, t* {) ?& @8 R0 \$ @9 Y
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;" O/ Z" f: i6 C* p4 A( y9 e8 S
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;, G. I+ o& E. P' h) l3 o; D
dimLine3_startPoint.AssocValue = 0;
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dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;2 M! w, D9 K% f) i! M. y+ [% l
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Sketch::DimensionGeometry dimLine3_endPoint;# O! T+ O; S0 j6 n
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine3_endPoint.AssocValue = 0;2 B+ |1 q4 C" J/ c& ^3 ~& _; T$ o: e
dimLine3_endPoint.HelpPoint.X = 0.0;: _7 V- b6 J, K
dimLine3_endPoint.HelpPoint.Y = 0.0;2 O- |- N/ }' `3 }/ y
dimLine3_endPoint.HelpPoint.Z = 0.0;
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dimLine3_endPoint.View = nullNXObject;2 Q; U# W% u3 q# O8 C
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);6 t; X7 p4 a$ v4 p/ G# L. r
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving);/ v0 |' }. d8 L0 C% a$ G
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//5 update & deactive
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sketch1->Update();' @0 Y7 C7 {" G- ~7 @
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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delete expression1;
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delete expression2;
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delete expression3;
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}. \, _& u3 N- t- I) w

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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