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" r$ y. I W, X

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()
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{
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Sketch *nullSketch(NULL);7 ~% N- \0 o$ t( G
SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);$ p( @* K" ]) R) n- `% B; ~; s
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference) M% }- n* j3 e2 F# f0 ~, y B; U
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;
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preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();' ?4 F, D0 P. m m
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);( m' x- S# `' f/ P3 ?
preferencesBuilder1->Commit();: g- O2 Z& [- l: T
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preferencesBuilder1->Destroy();0 z; }$ h4 M: ]9 O
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NXObject *nXObject1;( Z8 C# \% \/ [- [
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));% `) m3 k( I) W1 }6 h0 a, B
Features::Feature *feature1;% s2 Z9 a' a# h+ c7 Y
feature1 = sketch1->Feature();
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feature1->SetName("XY-Plane-Sketch");8 \0 ^" R9 g) S' m7 L9 A: {& y
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sketchInPlaceBuilder1->Destroy();" S! X! ~! Z; E* ?9 p+ V
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//1 active sketch
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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$ r9 l6 p5 d9 Q4 A- t
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Point3d startPoint1(0.0, 0.0, 0.0);5 y4 G4 L6 b" U5 r2 X! u
Point3d endPoint1(0, height1, 0.0);
Point3d endPoint2(length, height1, 0.0);( f6 \5 j/ f" u) p* y
Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();9 ~# [' I8 f+ C8 y- y: o1 K
Point *originPoint = workPart->Points()->CreatePoint(origin);- V; k; R6 `( Y7 p, P% x6 {
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Line *line1,*line2,*line3,*line4;
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line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);9 V8 W. ?8 l" Q2 o6 S: C: |
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);2 U. |3 w9 [; s" m
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);/ A: G r7 {7 c; O
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);; }" ?2 F9 R. |& q5 Y q
// 2.2 add geometry6 r. b! ?! e2 j% R, B4 f/ f
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);* T% r& ]* p& {
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);: G% M. v4 n$ @+ c. T% l
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);/ |4 v9 F0 s* k+ q
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);5 Q, x1 d [8 [0 z% ?4 i
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//3 add constraints ( gemo)% G( n7 G2 w/ G4 X
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Sketch::ConstraintGeometry geomline1; g& C5 \; r' z2 q% l; E
geomline1.Geometry = line1;
geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);( j* l% C; S/ ^( w4 H1 t
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;+ `" F, p0 N3 W2 }( P
geomline2.SplineDefiningPointIndex = 0;, _3 {; a7 \5 D! h# P
sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;; y# H- s2 c9 l, t
geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;0 V4 I% x( K8 T+ H( h7 X. L
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;- b& Y7 y) L5 S( f" F
geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;+ x" E! E. m3 N$ x% F5 H; `% ~
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;8 ?6 }: i0 T; F2 X
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);3 E& v: p2 ]' A; h' C: ]6 ]
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//4 add constraints (dimension)& m7 \( }, P/ k. G3 c6 t
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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;
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s_height2 <<height2;
s_length <<length;% [/ Z( U. J8 \- k! ^! y2 f& q
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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());4 t* y7 x# o! G
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());, F' x; h5 {/ ^/ z9 W7 S6 G9 l4 _
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;+ E: T* T6 v/ T0 E9 P7 ]
dimLine1_startPoint.Geometry = line1;1 U1 O. ?1 R) ?2 ?& e
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;5 G0 N" w+ j! K9 I. M; Z5 L
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;" I$ {- M, l% T% `# ?2 t2 c
dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;2 j2 b9 G% F% q
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;- u9 h$ {/ `0 W: N
dimLine1_endPoint.AssocValue = 0;' R! v. E. j o! D/ b# i
dimLine1_endPoint.HelpPoint.X = 0.0;8 L0 O; R9 U- T: e( f$ W \
dimLine1_endPoint.HelpPoint.Y = 0.0;4 A: s3 p9 N# \# Q# n \
dimLine1_endPoint.HelpPoint.Z = 0.0;
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dimLine1_endPoint.View = nullNXObject;. R! X" F# U! [3 }
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Point3d dimOrigin1(-100, height1/2, 0.0);3 o( c$ S- b3 j/ f# B) u; j1 c
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);0 g$ ^$ E5 Q- F6 K; z; |* u( K
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// line2 dimension
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Sketch::DimensionGeometry dimLine2_startPoint;3 p1 j( A H: k, a/ u. a0 a
dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;+ \+ C! i5 x* n( v
dimLine2_startPoint.HelpPoint.X = 0.0;
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dimLine2_startPoint.HelpPoint.Y = 0.0;
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dimLine2_startPoint.HelpPoint.Z = 0.0;% l6 R$ M# t, l0 N
dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;# O& a; H/ h8 n. R, @
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;8 S: f. O' q/ R; s/ |
dimLine2_endPoint.HelpPoint.Z = 0.0;/ |+ J, r- X" B! t1 w
dimLine2_endPoint.View = nullNXObject; V( G! @$ U( |; J
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Point3d dimOrigin2(length /2,100 + height1, 0.0);% C( ]/ }. m$ E. S- b$ u- Z5 Q
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);6 B% _, r1 S9 d" ~$ y- w' r6 s/ o0 r
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;) ^( o/ J7 ^* \5 _) i4 p, V7 r
dimLine3_startPoint.Geometry = line3;
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dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;: R4 F" `$ _- l; r6 V; k
dimLine3_startPoint.AssocValue = 0;, D& @% x ]2 j7 ~( e% Q% c
dimLine3_startPoint.HelpPoint.X = 0.0;- T) s) O# P5 d
dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0; \+ }. J R& W
dimLine3_startPoint.View = nullNXObject;2 F: r0 s4 k/ w1 N
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Sketch::DimensionGeometry dimLine3_endPoint;) L1 \/ H/ n5 p& t3 z% N
dimLine3_endPoint.Geometry = line3;7 c# X# n+ w- B, o: O; ] x
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine3_endPoint.AssocValue = 0;! q' D" P. i% j$ Y8 Z9 v" F8 D5 ]
dimLine3_endPoint.HelpPoint.X = 0.0;
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dimLine3_endPoint.HelpPoint.Y = 0.0;( |" W! p w7 e5 K% P1 @
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);; `/ ^: C# P+ n( b
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving);
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//5 update & deactive, p$ n( h( G0 e+ {3 I4 q/ U7 {+ M9 T
sketch1->Update();$ N3 q2 V4 O$ p; b
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);7 k2 K7 E4 z3 O: `; H. R+ g
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delete expression1;
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delete expression2;
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delete expression3;. M0 p0 j( ?7 D8 a
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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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[原创视频] PLM之家-NX9.0 二次开发实例视频31 NXOpen C++创建草图基本特征

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