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2 {4 [" O V, j

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()- O, S4 ?1 h' y- x
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Sketch *nullSketch(NULL);
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SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);& c% b& B1 Y" M: w
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);* J7 b0 f! J" Q- }4 z; y( d
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);9 c7 ]' Y* n$ K) g( }. P: B: B
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Drafting::PreferencesBuilder *preferencesBuilder1;" h5 p# N6 O+ @# k5 c8 B
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);- X" \8 C( P4 l" i2 \7 z
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);6 m$ r' W6 b) b5 T+ _
preferencesBuilder1->Commit();) O- A( A, h. u( |! @2 {3 c
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preferencesBuilder1->Destroy();& R1 x1 |, A4 m5 C# w4 M
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NXObject *nXObject1;$ u0 D% _+ {, y
nXObject1 = sketchInPlaceBuilder1->Commit();. ~" O# \8 p6 T( v$ v4 H& g
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));9 ^) `" b- P0 g* s: x
Features::Feature *feature1;
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feature1 = sketch1->Feature();/ J% ~! s8 z' ^2 ~# R. d6 @
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch 2 h6 K) ~; {. }5 E. Z5 a
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sketch1->Activate(Sketch::ViewReorientFalse);
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");
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double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");
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double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry' f" ]. H {0 d
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Point3d startPoint1(0.0, 0.0, 0.0);" D; ?- q3 F) b6 Q) X/ \ ~3 Z+ k. Y# r
Point3d endPoint1(0, height1, 0.0);1 J+ \3 U. F4 d
Point3d endPoint2(length, height1, 0.0);
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Point3d endPoint3(length, height1-height2, 0.0);5 x5 o5 S8 G3 `' u6 k0 z& M
Point3d origin = sketch1->Origin();: q' E2 I m. p% c0 o% I
Point *originPoint = workPart->Points()->CreatePoint(origin);
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Line *line1,*line2,*line3,*line4;
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line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);( F) f8 y$ @4 F2 [
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);+ z7 |& d1 U Q. x% N3 t
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);! T( ~& X' o; X& P# E
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry6 c' b" y5 g1 ~
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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);
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sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);2 u$ @( u# y) C- i: g& v, L9 M
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;' c8 @. @# k/ r2 G& {2 e
sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;4 P* Z, s; `, K/ K
geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;
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geomline2.SplineDefiningPointIndex = 0;- ]( j4 V0 o; G6 a* A; \( v
sketch1->CreateHorizontalConstraint(geomline2);* d, ], c# V" c4 |
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Sketch::ConstraintGeometry geomline3;
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geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;* ~' I5 K1 [5 i; ?7 [& h7 r$ T
sketch1->CreateVerticalConstraint(geomline3);4 W* i; G. I% h3 y: k; w
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Sketch::ConstraintGeometry geomline1_startPoint;
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geomline1_startPoint.Geometry = line1;) q. i) b3 L9 r* ^( Y5 M
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;
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geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;5 v2 A6 M. Z ]. q
geomline2_originPoint.SplineDefiningPointIndex = 0;( k5 E3 a& B$ S2 i
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);% e1 I# \) N- j( T7 Y# c" g. G! W
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//4 add constraints (dimension)0 O/ X( c) p! e# ]. w0 [/ R
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NXObject *nullNXObject(NULL);4 [! Q& h. H# `2 I
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stringstream s_height1,s_height2,s_length;
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s_height1 <<height1;
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s_height2 <<height2;, x( q. c4 R( S- m* @. u/ x. x
s_length <<length;
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Expression *expression1,*expression2,*expression3;6 z! G- o( y9 C E2 d$ z
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());' F4 F. Z5 X. X" j* x1 a! g$ B
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());5 B F' o6 ?% h' L0 _$ p
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension 8 y5 X, {+ p8 ^3 W M# W( W
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Sketch::DimensionGeometry dimLine1_startPoint;* I* d; V: K3 K8 }. e) ~: L' }- |8 P3 C
dimLine1_startPoint.Geometry = line1;. g: y" ~. l1 ?9 V+ p8 k. A8 V
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;: I# e. w, I, I. A0 Y9 [9 \
dimLine1_startPoint.AssocValue = 0;( Y7 y9 k( m$ v5 u
dimLine1_startPoint.HelpPoint.X = 0.0;3 X" O' G, J: r8 y/ C, o5 @
dimLine1_startPoint.HelpPoint.Y = 0.0;: A: @( k- y) W8 |
dimLine1_startPoint.HelpPoint.Z = 0.0;! N6 P, }: a5 }3 |- [% u4 G
dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;+ { p& j* V& k5 U. I
dimLine1_endPoint.Geometry = line1;% ~# P$ |0 e8 L; b
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;" _9 U. D5 t& Y4 P0 U
dimLine1_endPoint.AssocValue = 0;5 n- p8 N2 m4 H X
dimLine1_endPoint.HelpPoint.X = 0.0;
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dimLine1_endPoint.HelpPoint.Y = 0.0;2 t- E1 {% }* F( K4 r9 K8 Q8 q4 H
dimLine1_endPoint.HelpPoint.Z = 0.0;
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dimLine1_endPoint.View = nullNXObject;
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Point3d dimOrigin1(-100, height1/2, 0.0);& F/ x( s3 P( d+ x" A t+ H( m
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);( t$ u2 s+ F3 X; b+ \$ j
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// line2 dimension
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Sketch::DimensionGeometry dimLine2_startPoint;9 ? B$ i3 z6 }8 ?/ @7 c0 r- `: ]
dimLine2_startPoint.Geometry = line2;: B- _$ y& N Y* N5 |
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;$ q8 c! G$ [% s- V
dimLine2_startPoint.HelpPoint.X = 0.0;" S0 B, b& r& M2 M0 |9 {: R
dimLine2_startPoint.HelpPoint.Y = 0.0;" @2 V. A" z8 C. ?0 B
dimLine2_startPoint.HelpPoint.Z = 0.0;2 d5 Q. B( W2 f) k, U
dimLine2_startPoint.View = nullNXObject;1 S0 w4 R: Y$ X( [$ q3 Q
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Sketch::DimensionGeometry dimLine2_endPoint;( C- [2 W J3 B$ @* v
dimLine2_endPoint.Geometry = line2;5 `' F6 w9 L5 ~. V( F+ @$ V
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;5 z2 R# m0 Y e: ?/ ^& j: o# B
dimLine2_endPoint.HelpPoint.Y = 0.0;. z; g, ~9 \# F, E& S' J# h
dimLine2_endPoint.HelpPoint.Z = 0.0;' V7 D# X G, h8 ]# L% O# g! a5 W
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
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Sketch::DimensionGeometry dimLine3_startPoint;6 G; V) k h4 z3 s( h- `
dimLine3_startPoint.Geometry = line3;# d7 u J( d$ T6 F, q- y
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine3_startPoint.AssocValue = 0;8 q6 I0 f! t6 p7 A" s2 P8 [. Z
dimLine3_startPoint.HelpPoint.X = 0.0;; Z# x' I. `5 R' i. m- \% D$ V4 w
dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint;. K- S) c; ~/ {! ]: ~* {) ~* `
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;4 @- ]6 G# U$ N5 G
dimLine3_endPoint.AssocValue = 0;
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dimLine3_endPoint.HelpPoint.X = 0.0;, M! H2 m: b+ p p+ F
dimLine3_endPoint.HelpPoint.Y = 0.0;
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dimLine3_endPoint.HelpPoint.Z = 0.0;
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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 & deactive
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sketch1->Update();
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);* Y+ m- u8 t# Z K9 }5 v
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delete expression1;
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delete expression2;: `) `$ s. R) _+ p8 H+ o) h4 U
delete expression3;
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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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