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5 i9 n; A7 G0 @' E {5 u' n% b

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()* H7 e+ E5 [; j8 h
{
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Sketch *nullSketch(NULL);$ L4 D5 n# a+ i2 k
SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);7 c, Y7 p( q# w2 G) k, o |& }0 o' F
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);, Q9 N- o1 w& t3 b J: i. |
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference- O- D$ e$ F" R
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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);
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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));
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Features::Feature *feature1;- a8 _& `8 {1 s" S( D7 ?' v8 ^3 X/ j
feature1 = sketch1->Feature();4 x' w/ D/ _! ^* }% j8 S
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch 3 u: H4 D1 H2 d, F
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sketch1->Activate(Sketch::ViewReorientFalse);5 ^- b7 c T B& O
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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
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Point3d startPoint1(0.0, 0.0, 0.0);
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Point3d endPoint1(0, height1, 0.0);( j8 S+ ?( W8 }4 `3 I
Point3d endPoint2(length, height1, 0.0);
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Point3d endPoint3(length, height1-height2, 0.0); s- D v3 N" W" Q) W
Point3d origin = sketch1->Origin();! s* n% A, l0 |, C
Point *originPoint = workPart->Points()->CreatePoint(origin);, F* _- i4 c% K/ f3 \
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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);
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line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);6 y& z/ L/ _) x H6 O4 O7 e
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);. |0 {/ t& ^" N8 G: j
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);) B. H* Q: I/ y5 w; m( Y7 M
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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//3 add constraints ( gemo). W j3 M" L: Z5 r/ N; R
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;" G! _0 v6 x& O V# n H
geomline1.PointType = Sketch::ConstraintPointTypeNone;- m- J# b& E. ^+ d1 J: w
geomline1.SplineDefiningPointIndex = 0;' e0 _! S! z3 W
sketch1->CreateVerticalConstraint(geomline1);8 r( o" F1 D3 Y" L# U: A: o& d
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Sketch::ConstraintGeometry geomline2;7 b) i9 W4 h. l& d4 f9 R" v
geomline2.Geometry = line2;+ _# r p; R$ O# `- \
geomline2.PointType = Sketch::ConstraintPointTypeNone;6 K, N+ W/ U9 D* m) Y
geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;9 I! Y/ I* r! R+ ~9 [
geomline3.Geometry = line3;* ~$ }: X/ `) T4 C: j/ ^
geomline3.PointType = Sketch::ConstraintPointTypeNone; ?: r; \- z1 R" T
geomline3.SplineDefiningPointIndex = 0;( N. ?- Q* Q8 C9 @
sketch1->CreateVerticalConstraint(geomline3);
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Sketch::ConstraintGeometry geomline1_startPoint;9 ?) \% R. q E# `0 ]! [1 {2 z
geomline1_startPoint.Geometry = line1;: t( Q$ z; b) {+ b, w- P+ @
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;; G& _, q2 e) t$ D9 v
geomline2_originPoint.Geometry = originPoint;
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geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;3 L+ f" Y! Z# ~8 M, v
geomline2_originPoint.SplineDefiningPointIndex = 0;
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sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);/ Z+ ]! k! v4 R) r
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//4 add constraints (dimension)4 |8 H9 w2 x$ P/ t, p
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NXObject *nullNXObject(NULL);
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stringstream s_height1,s_height2,s_length;4 W9 w1 w( W9 M* p; V. H
s_height1 <<height1;
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s_height2 <<height2;5 w% f4 r/ j+ [4 Q" s) a" k
s_length <<length;) ^- }$ j+ @& C# T3 W
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());
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expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());" x( s$ W6 E7 m! I" X; ?5 X ^
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());8 j5 c0 y; w+ A1 M2 e
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;, c' ~) N8 X* f+ J" g( M0 `
dimLine1_startPoint.Geometry = line1;/ e1 D$ h* L( K8 y, {$ G) N
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;- E* a0 {0 X$ D8 ?2 \" H0 {9 l- u9 m; @" Y
dimLine1_startPoint.AssocValue = 0;0 @% W2 [& D7 I' [
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;8 r2 w8 B6 Q' \
dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;9 [2 V+ u( b% x
dimLine1_endPoint.Geometry = line1;; M0 P5 Y+ n0 `" M% h: T
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;1 u- J: ^! y( b3 i# p' ^% Y) F- K: L
dimLine1_endPoint.HelpPoint.X = 0.0;: t6 |( z0 E" ~6 \8 X, B3 |
dimLine1_endPoint.HelpPoint.Y = 0.0;
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dimLine1_endPoint.HelpPoint.Z = 0.0;5 G3 X8 I% s/ H* F3 j; E* `( S4 Z& G
dimLine1_endPoint.View = nullNXObject;! T5 }0 W8 w" r5 y
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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);' Y; I. @. j# E4 p
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// line2 dimension
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Sketch::DimensionGeometry dimLine2_startPoint;+ M# Y7 N) S$ h5 [6 T
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;2 n! N2 d6 P! [3 x# |7 L" V- t
dimLine2_startPoint.HelpPoint.Y = 0.0;
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dimLine2_startPoint.HelpPoint.Z = 0.0;, J* _3 t5 t, q3 N1 l/ O
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;( B0 a- g) r L3 c+ e! T, }# {3 p
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;
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dimLine2_endPoint.HelpPoint.Y = 0.0;; ~, X0 A' n# f$ B5 L9 w+ ?* U$ b
dimLine2_endPoint.HelpPoint.Z = 0.0;
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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);" u+ b- r. f! o1 M# d
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// line3 dimension / _4 F- d4 a2 L6 t: }
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;$ p! r7 `1 K& Y. N- g2 n
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine3_startPoint.AssocValue = 0;! N8 T2 }& H% f& r( V( v
dimLine3_startPoint.HelpPoint.X = 0.0;: p" Y+ h/ Q* Y5 s: ~# _6 \
dimLine3_startPoint.HelpPoint.Y = 0.0;7 c, P" d% [) {3 @* o
dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint;9 q& i g8 @" h
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;; x& f1 V% E- i$ {* P
dimLine3_endPoint.AssocValue = 0;
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dimLine3_endPoint.HelpPoint.X = 0.0;. M( h4 s) o+ A: X
dimLine3_endPoint.HelpPoint.Y = 0.0;' l' Y2 ^$ I9 H& i' D5 X6 f, a( M
dimLine3_endPoint.HelpPoint.Z = 0.0;6 @ Y5 j# s, L8 r: n( K0 N8 w
dimLine3_endPoint.View = nullNXObject;
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);! ^- R5 E! A$ y; Y( b" |: N
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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);
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delete expression1;
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delete expression2;$ W% h. a1 ]7 r# K6 \
delete expression3;7 }8 `# A. j1 G7 { S
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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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