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# j0 r# }/ @+ v/ c! G9 m7 F

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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);3 B5 G: N' d0 D) M0 R7 w; S; p
SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);
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sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);; m# S2 D+ z' Z+ q m
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference9 S/ V1 s) c+ A- U+ l! d
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;
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preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();7 ^% V; ?- ?% c
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);2 G' k8 t5 Q0 p7 A7 s
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();; G0 y6 |: [4 d: e0 R; _
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NXObject *nXObject1; j9 a! P, Z2 ~: ~* l
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));( J) j+ |2 P5 \
Features::Feature *feature1;( W) I/ B0 `$ y$ X
feature1 = sketch1->Feature();: j5 e K0 [) c, j# O
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();9 Y2 q0 p) f v5 T' @# g7 _- r
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//1 active sketch * O) b& w! Z w& c$ ~2 @4 Y
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sketch1->Activate(Sketch::ViewReorientFalse);) Y3 @1 k- h ?/ t* ^4 C% E* A
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");) t8 m! u+ j! i5 e; n% P" M2 s
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");& d) t. `7 u! H q
double length = this->expressionLength->GetProperties()->GetDouble("Value");0 C [9 C2 y" C0 q" A
// 2.1 create geometry
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Point3d startPoint1(0.0, 0.0, 0.0);! k2 H# ^$ q6 n) z6 A% o- M& d- ?
Point3d endPoint1(0, height1, 0.0);
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Point3d endPoint2(length, height1, 0.0);. }& w4 {1 c% l% U* ~) Q* l% g
Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();8 R* n# X, v9 _; a
Point *originPoint = workPart->Points()->CreatePoint(origin);2 B0 ]2 F. c% V0 k r
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Line *line1,*line2,*line3,*line4;# ^% i5 H2 i" t+ X0 S
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);' Z+ f9 I r( s8 }' z
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry$ j" C+ U: Q7 Z5 X0 T
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);- D! R( ~0 U8 Z9 x. Q/ ~2 N
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);* x. v6 S. V* k, `' P; M
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);5 K" A4 Z+ C( Y( s$ i
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);4 T' H' y; p/ U# u* K/ ?. z/ {
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//3 add constraints ( gemo)8 G) E( I" E6 K/ s: R+ N
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Sketch::ConstraintGeometry geomline1;6 t1 ^, n7 }# [2 u, N' i
geomline1.Geometry = line1;' n, H7 J- L+ R* z! P* a3 q- \
geomline1.PointType = Sketch::ConstraintPointTypeNone;7 b* Y! D: G6 w! B! n+ |
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;$ ?6 ^7 |. ?5 t6 J, N. k+ \2 b! t
geomline2.PointType = Sketch::ConstraintPointTypeNone;
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geomline2.SplineDefiningPointIndex = 0;9 o) h0 G3 ?7 [# w- d) h
sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;, }5 b7 c- w* k2 e, v% k2 ^
geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;2 a4 i* G, Q5 U* M
geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);0 z$ d* c' c, x1 x: e& ?
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Sketch::ConstraintGeometry geomline1_startPoint;% j0 g7 P0 v; h' }' I) G& m
geomline1_startPoint.Geometry = line1;
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geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;$ I3 F/ W# T9 ?( x B8 I9 I, @& b' d
geomline2_originPoint.Geometry = originPoint;
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geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;% M. X# E- t' H, [. n# U
geomline2_originPoint.SplineDefiningPointIndex = 0;% g* [( H9 @3 k& s. j( t
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);: S6 P W. l) T' x/ C- y
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//4 add constraints (dimension)
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NXObject *nullNXObject(NULL);0 l* B8 J) N$ T f' s# E
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stringstream s_height1,s_height2,s_length;6 I3 ?6 I/ h/ f% b
s_height1 <<height1;
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s_height2 <<height2;: L2 G- T% ^3 C/ t# L/ y; b
s_length <<length;
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Expression *expression1,*expression2,*expression3;6 ]( [* Q. H ?8 L6 b# x
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());8 o* _' q- x- j# Q" F
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());& I9 p4 \1 Q1 \4 L
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;# J5 Y. e1 M6 y* E3 O
dimLine1_startPoint.Geometry = line1;
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dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;3 n9 d9 ? Q( I* [5 I; w* A* J
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;3 b0 F6 _0 A* Q- f W) p
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;
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dimLine1_endPoint.AssocValue = 0;
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dimLine1_endPoint.HelpPoint.X = 0.0;
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dimLine1_endPoint.HelpPoint.Y = 0.0;: w. L7 c8 U( @1 {* M
dimLine1_endPoint.HelpPoint.Z = 0.0;
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dimLine1_endPoint.View = nullNXObject;; e0 i O) t% g: w+ X* ~# _2 U: g
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Point3d dimOrigin1(-100, height1/2, 0.0);& j+ ?, A; F% b% j. L
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);* A1 r4 M6 K, \( @3 m
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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;' P' W4 T* j+ Y8 V. S+ C; H
dimLine2_startPoint.HelpPoint.X = 0.0;
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dimLine2_startPoint.HelpPoint.Y = 0.0;5 R( e7 ^' P: J6 h3 z5 e
dimLine2_startPoint.HelpPoint.Z = 0.0; L" n( n8 m( c; z. L
dimLine2_startPoint.View = nullNXObject;6 R6 q& F1 ^9 A' M; v, r. ]% [
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Sketch::DimensionGeometry dimLine2_endPoint;" p, e4 j. i# F5 _( {8 e
dimLine2_endPoint.Geometry = line2;
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dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;
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dimLine2_endPoint.HelpPoint.Y = 0.0;* ?0 b+ O9 y) F- q9 H8 m
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);- i9 ?/ t* k0 W
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);1 ~0 f" T% x& C( k c
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// line3 dimension # |% \" `- V" q7 o
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Sketch::DimensionGeometry dimLine3_startPoint;; H9 q# c/ }5 B$ g( U$ I" @% V
dimLine3_startPoint.Geometry = line3;2 k! T9 w! u0 R
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;2 R2 S7 t: U6 I4 A' O
dimLine3_startPoint.AssocValue = 0;
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dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;: w% l- [" p4 o) k
dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;' Y' v$ e" Z1 B2 m
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Sketch::DimensionGeometry dimLine3_endPoint;
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dimLine3_endPoint.Geometry = line3;' D/ V+ ^2 N+ e; f: z% M: K
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;$ [( {- G# k0 q: c% c8 R
dimLine3_endPoint.AssocValue = 0;
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dimLine3_endPoint.HelpPoint.X = 0.0;% K% @0 N, x. ~/ D8 `
dimLine3_endPoint.HelpPoint.Y = 0.0;( W4 q# W8 N& q
dimLine3_endPoint.HelpPoint.Z = 0.0;0 p$ j! Y8 V6 N$ U3 W I0 w1 \
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 & deactive8 g# c9 Q2 K, c0 y( H- w" c0 ]
sketch1->Update();0 ^; S$ b' Z( r4 v. t8 C
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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delete expression1;' m$ y2 Y; ]( R; N
delete expression2;: L0 s- U8 \6 J/ G
delete expression3;& k+ e5 }2 e, f- _& c3 O
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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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