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$ |1 m6 S- |& C/ X0 H! u% @( }

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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;* `* b- i5 o$ ^: ?4 f) q
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);- J; A0 J. w4 p2 _8 `8 C
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);5 w# b0 w# ~ e! p
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// add preference. b% L* ~5 `3 w, C4 B
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;
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preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);* S; K6 o4 U0 ?/ V( x0 x( ]
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();8 V0 v- i) G( C* X
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preferencesBuilder1->Destroy();) S# S/ y( R5 i/ k9 I* c
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NXObject *nXObject1;
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nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));, t* |( W2 K8 N
Features::Feature *feature1;
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feature1 = sketch1->Feature();8 i- k3 p+ ?& ~# D
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch
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sketch1->Activate(Sketch::ViewReorientFalse);# Y4 [) [- y! f7 _4 ~2 @6 [5 W$ w
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");: o4 h ^2 G- r& X
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");0 s1 r3 f5 k, O; I
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);/ h, Z. \5 Q- z9 @$ }, k+ i$ `
Point3d endPoint2(length, height1, 0.0);9 n. K2 k, _1 ?( l$ X% J7 |. I
Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();6 e* c( Q3 q" A) A; |# p6 @
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);0 s) |. b8 V( c [6 A. U( p5 Q
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);' W" h& v, O! L4 G' V# x
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry4 o4 w" b# K" X. j# W6 T% A! Y' a
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);) ~1 v+ V( X+ `4 d6 I, z
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);) [: A6 i+ t) |
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);8 \8 `7 E' [+ C! E. j9 F
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);8 U: e* C) w, |8 E/ Y% h
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//3 add constraints ( gemo)9 S$ W( W- R, v% V- F; O
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Sketch::ConstraintGeometry geomline1;. m7 x# l4 P: r, y& Q1 }
geomline1.Geometry = line1;9 |) [6 L: `7 q2 \. r$ Q' h' N" e+ v
geomline1.PointType = Sketch::ConstraintPointTypeNone;3 {& P" F( M- U, q& x
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;# H4 y- ~) A% A7 C& Y+ z$ j2 |
geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;9 l7 q$ M+ a, z' a! E% Q F7 _0 N
geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;
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geomline3.Geometry = line3;4 p5 Y) a: Y' t: M
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;' l; K* h* J1 F6 G
geomline1.SplineDefiningPointIndex = 0;! j8 ~2 z& n7 k, k, i7 Y7 V3 a
Sketch::ConstraintGeometry geomline2_originPoint;! e- Y# ?# r3 F! [) s9 p0 t
geomline2_originPoint.Geometry = originPoint;+ `& f* F+ E$ V- J3 e
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;, F9 C; a0 `0 I K% H6 `
geomline2_originPoint.SplineDefiningPointIndex = 0;! T7 e' Q, |0 I6 l$ t1 U/ e
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);' l+ g. m$ I# }0 o
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//4 add constraints (dimension)# A$ n6 e+ E0 `" v9 k9 {) x
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NXObject *nullNXObject(NULL);7 S2 @* c( N0 C& x; V+ E4 C
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stringstream s_height1,s_height2,s_length;) O/ `8 l1 ?# J' [+ D* S
s_height1 <<height1;& l7 v$ Q: b. O- N
s_height2 <<height2;
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s_length <<length;/ ?9 Y$ ~! j. O" f. ?9 k7 x
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str()); \* _' m- Y" i! ~
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());8 h, h2 M2 k' Z0 N4 ]" B' r- g
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;" O/ B& k7 h! |2 {: g$ _, i1 s2 p
dimLine1_startPoint.Geometry = line1;
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dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;
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dimLine1_startPoint.HelpPoint.X = 0.0;" v8 R# L1 P! `4 s6 r2 l, \
dimLine1_startPoint.HelpPoint.Y = 0.0;7 G5 V/ K5 ?) ?0 y7 o# N
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;
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dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;9 g+ T" U5 p6 S8 m
dimLine1_endPoint.AssocValue = 0;8 O/ K/ T. k- g
dimLine1_endPoint.HelpPoint.X = 0.0;
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dimLine1_endPoint.HelpPoint.Y = 0.0;
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dimLine1_endPoint.HelpPoint.Z = 0.0;0 G- r. u5 s& k8 V
dimLine1_endPoint.View = nullNXObject;: t8 w. h4 b7 w9 V: `8 W# _7 J
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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);
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// line2 dimension
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Sketch::DimensionGeometry dimLine2_startPoint;% F- t* s, y, F
dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;+ S5 F! R& v. T( m! `
dimLine2_startPoint.HelpPoint.X = 0.0;
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dimLine2_startPoint.HelpPoint.Y = 0.0;: {6 ?) V' J: a* ^8 c
dimLine2_startPoint.HelpPoint.Z = 0.0;4 \+ z' ~) p* h9 v6 A
dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;5 _! g5 \! Q+ H# _
dimLine2_endPoint.Geometry = line2;
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dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;" [# }' f( V* \
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;5 P: {( K+ q4 ]# H8 R2 m4 q5 a4 c, A
dimLine2_endPoint.HelpPoint.Y = 0.0;
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dimLine2_endPoint.HelpPoint.Z = 0.0;7 w& F1 Z: `6 ?0 D% R
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);0 Z. u& E# F; h
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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;/ d' A3 r3 w4 {2 j( Y
dimLine3_startPoint.AssocValue = 0;* N% X6 L) B3 C1 V2 z
dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;: y9 g w6 M; }$ g, a6 ^( P
dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;( J$ C0 e+ `, y3 Q* r# T
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Sketch::DimensionGeometry dimLine3_endPoint;! P. R( L2 {% H, G- l, |2 P
dimLine3_endPoint.Geometry = line3;/ {: G2 H$ k) l/ r
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine3_endPoint.AssocValue = 0; o% V1 W1 H! Z* s' T# f
dimLine3_endPoint.HelpPoint.X = 0.0;6 _6 B# Z5 S7 I! ?
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);; u- s0 J4 Z$ D" D1 }2 h0 J
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving);* c; d+ \2 |$ `: N5 \% j
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//5 update & deactive
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sketch1->Update();' U9 y' U2 I1 O8 t R0 J
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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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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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