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: w* ^8 _4 O. W% r* U. M

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()1 Q& L8 k. T8 q7 f* ]
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Sketch *nullSketch(NULL);
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SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);
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sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);0 g1 B/ G, f; Q6 E6 [7 p2 `1 ?
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);* `8 ^- z0 t1 D( |3 R1 Y g
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Drafting::PreferencesBuilder *preferencesBuilder1;1 X& p5 h4 ~& r* P
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();2 B2 S; H- n5 w5 T+ H
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;
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nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));( n( e; \, B; z( X
Features::Feature *feature1;, M6 r( h: V# w7 t
feature1 = sketch1->Feature();8 K) n0 w: a# d1 p+ V/ ^
feature1->SetName("XY-Plane-Sketch");- l3 q: x k9 o
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sketchInPlaceBuilder1->Destroy();% K$ ^" ?! O: W( R0 g8 z% T
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//1 active sketch 0 ]! d- i2 p4 P& y4 H
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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");; v4 @0 E/ ~) C& U
double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry9 Q" [" ~: t% Z/ q
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Point3d startPoint1(0.0, 0.0, 0.0);
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Point3d endPoint1(0, height1, 0.0);
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Point3d endPoint2(length, height1, 0.0);8 g$ V3 j o, x
Point3d endPoint3(length, height1-height2, 0.0);5 a! D) H* e- C8 W" w& E7 U; t- {
Point3d origin = sketch1->Origin();
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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);
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line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);3 h, w# y1 d8 Q2 Y0 J
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);% o* Y4 l# v" V3 W& Q
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;- M$ G7 _) y/ W7 o7 }
geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;9 G, U$ ~. {% B$ S% x
sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;! R) Z7 R' H0 ^6 g1 F) P j% X* u7 b# e
geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;
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geomline2.SplineDefiningPointIndex = 0;& c9 A. X; K, Z8 j: L2 s! \
sketch1->CreateHorizontalConstraint(geomline2);1 ^: P) q3 y: @
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Sketch::ConstraintGeometry geomline3;) O8 ?0 N/ M" j" ^
geomline3.Geometry = line3;3 I/ c( S* `8 c
geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;5 y( Z# [9 K+ O( _/ k+ T$ K
sketch1->CreateVerticalConstraint(geomline3);* n; r* C0 R3 ~: Y6 t! R
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Sketch::ConstraintGeometry geomline1_startPoint;
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geomline1_startPoint.Geometry = line1; ^) g+ q) |7 O* a$ c9 ?/ H
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;/ d2 L# K; E7 N: v# d: r3 F
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;
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sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);! F* b" A' t) c% h" U5 H
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//4 add constraints (dimension)5 \8 ]+ m% w) z; O! r. k2 R
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NXObject *nullNXObject(NULL);
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stringstream s_height1,s_height2,s_length;
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s_height1 <<height1;7 N8 d% q6 h T8 J# \
s_height2 <<height2;
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s_length <<length;
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());: I% e9 {, m. H) O) F" S
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());1 J. A. f; _4 o8 ?$ _" y/ Q, j% o
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;/ y. {. e& Y. G) b5 L
dimLine1_startPoint.Geometry = line1;
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dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;( M. m7 i/ |" E; H
dimLine1_startPoint.HelpPoint.X = 0.0;
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dimLine1_startPoint.HelpPoint.Y = 0.0;
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dimLine1_startPoint.HelpPoint.Z = 0.0;, ?" C, e" S# o5 C
dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;! a0 y$ h' e6 q- m! d a: r
dimLine1_endPoint.Geometry = line1;
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dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;# k6 v4 X( S% _6 s
dimLine1_endPoint.AssocValue = 0;
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dimLine1_endPoint.HelpPoint.X = 0.0;
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dimLine1_endPoint.HelpPoint.Y = 0.0;" ]& A- K" A/ ]1 m2 P: Y. {( s' r
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);- Q( M" h# m+ Q% x/ r; j9 i& t2 D
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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;
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dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0;+ g" n( A( ^: R- F0 F7 K4 p" T
dimLine2_startPoint.HelpPoint.Y = 0.0;
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dimLine2_startPoint.HelpPoint.Z = 0.0;* a+ r1 X0 g% s4 s+ @" }
dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;8 O7 c0 f$ t8 J6 `
dimLine2_endPoint.Geometry = line2;! ^) [& s+ R2 M, E h$ d
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine2_endPoint.AssocValue = 0;; g0 \& ?, Y6 w7 g5 _2 j! v6 `
dimLine2_endPoint.HelpPoint.X = 0.0;$ n) @& q/ `$ G/ p: B2 ^0 M/ p
dimLine2_endPoint.HelpPoint.Y = 0.0;6 L7 j3 k5 V: F7 @4 z
dimLine2_endPoint.HelpPoint.Z = 0.0;9 z4 \3 u( A/ Z) q
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);3 @. D! L2 ]$ m9 z
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;+ m _0 y% n& b; `! [5 g
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;7 e4 k! Q9 E+ Y
dimLine3_startPoint.AssocValue = 0; ~& L( u6 Y* I' [: Y) f
dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;8 z% c' }2 L$ _
dimLine3_startPoint.HelpPoint.Z = 0.0;5 P5 R- u9 J* X* x6 Q
dimLine3_startPoint.View = nullNXObject;/ t2 [3 s5 G1 C
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Sketch::DimensionGeometry dimLine3_endPoint;2 Y1 H" y3 S. @) c6 m$ r9 D6 Z
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;- w. m5 w) ^/ e; I7 S
dimLine3_endPoint.AssocValue = 0;
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dimLine3_endPoint.HelpPoint.X = 0.0;* y5 b- g- B" B! v
dimLine3_endPoint.HelpPoint.Y = 0.0;) e7 i! w0 d% a1 {. u$ U
dimLine3_endPoint.HelpPoint.Z = 0.0;; }; k% k( `! ~. ^
dimLine3_endPoint.View = nullNXObject;
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);& q) r2 A5 D( d! a3 M% B# B
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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();' C/ g9 X4 c2 z2 \
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);4 o1 V2 V4 H$ b, l* R% \& M
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delete expression1;
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delete expression2;
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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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