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* u1 y4 c0 x" P

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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);' D/ b0 F9 }9 i8 b5 X3 h& ]: G1 Q
SketchInPlaceBuilder *sketchInPlaceBuilder1;0 o% X" p$ z2 T5 z) x, B
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);
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sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;0 S! V. n: x$ ^; d
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);" F( ]% Q7 b0 F8 D+ q z9 w
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();( S r; X4 P1 e4 q" S, P3 i, ] }
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NXObject *nXObject1;8 ]" F9 F, {, |# E% w ^0 d- I7 o! V
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));- z( u+ H) X9 g e: o f
Features::Feature *feature1;1 i) N$ z( p6 O7 w5 S+ ?5 k
feature1 = sketch1->Feature();: y8 V4 S: n4 a3 {& [9 I
feature1->SetName("XY-Plane-Sketch");2 }! S- x/ ^% K' c& l
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch & k7 H2 x4 |7 F3 e
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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");: M2 Q/ }& x* a6 k3 u8 W6 Q
// 2.1 create geometry8 K2 c/ G8 W4 B; r. v& {
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Point3d startPoint1(0.0, 0.0, 0.0);
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Point3d endPoint1(0, height1, 0.0);+ c/ g; h% b' V7 `- d
Point3d endPoint2(length, height1, 0.0);. ^3 e4 G% W8 ?6 `
Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();1 [& K4 @# j* c* ?
Point *originPoint = workPart->Points()->CreatePoint(origin);
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Line *line1,*line2,*line3,*line4;$ G2 L+ c6 Y- B# x
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);
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line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);' o% ]5 Q% F3 v. j7 j4 f" K
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);( f$ F% p7 z, y1 a9 g) u9 U
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);/ V" d7 u, S; @5 m& I% i5 m s
// 2.2 add geometry$ [3 O; l: p5 m) N; `
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);) g- s* P* K7 U) V
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);$ A) h ?1 I, w: {3 G% P/ v/ Y
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints); c4 [ I" X9 x& D2 [6 F& x# i
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);6 C1 R6 o$ [3 q3 H$ c
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;9 B; |0 }0 I6 t0 }, z c9 V; [3 N
geomline1.PointType = Sketch::ConstraintPointTypeNone;, L2 p! M3 w2 X5 K
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);4 v7 n# {8 ?( }$ q( ]% w& u
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;, |$ z( s: U; j/ Q8 E3 B
geomline2.PointType = Sketch::ConstraintPointTypeNone;# @) H0 D( M' u2 l) m
geomline2.SplineDefiningPointIndex = 0;# ~' p5 G$ l9 g7 @5 ^, b
sketch1->CreateHorizontalConstraint(geomline2);+ K' N8 f: q- d* e H% t# G
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Sketch::ConstraintGeometry geomline3;, E7 j; D5 S8 r
geomline3.Geometry = line3;8 X* J# z8 j3 a
geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;! [9 `1 _6 B6 Y9 U* `
sketch1->CreateVerticalConstraint(geomline3);
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Sketch::ConstraintGeometry geomline1_startPoint;# v1 @. q0 _' u9 o. `
geomline1_startPoint.Geometry = line1;; ^! ^& Q9 }* W8 V1 A) B5 C* [$ ?
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;9 Y. M8 l3 \5 Y* |; B% U# l
geomline2_originPoint.Geometry = originPoint;. U1 i( V4 m. H/ p
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;
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sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);& y0 p2 A& T! D8 g
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//4 add constraints (dimension), E9 {! T4 |/ U) X
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NXObject *nullNXObject(NULL);
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stringstream s_height1,s_height2,s_length;; V) n4 V5 M4 ?" A
s_height1 <<height1;7 O3 Z) u+ X3 o+ b) I
s_height2 <<height2;8 r; e3 t0 t; k7 l% k3 }; Z
s_length <<length;/ ]. V7 H- l. x! I" d/ `; ]% B
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Expression *expression1,*expression2,*expression3;( I# I+ q- {4 [( |
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());
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expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());$ N7 h/ Z0 C1 z C' p
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;$ D9 d4 a" {! D' r1 N
dimLine1_startPoint.Geometry = line1;5 V8 B* A- X4 F( {7 D2 @# Y$ t
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;
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dimLine1_startPoint.HelpPoint.X = 0.0;
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dimLine1_startPoint.HelpPoint.Y = 0.0;4 r q" ?9 P' B: @9 v; C& B4 Z
dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;' U! X0 l4 m% l* K- E$ C: e# x
dimLine1_endPoint.Geometry = line1;7 N* o: U& a9 N
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;) c: e3 R0 e" l! A
dimLine1_endPoint.AssocValue = 0;% |. C- q4 r. ~* y# o
dimLine1_endPoint.HelpPoint.X = 0.0;7 D0 I' z; R! ]# U+ Y
dimLine1_endPoint.HelpPoint.Y = 0.0;, B! F4 ~; Q/ H
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);$ ^: k$ [4 K6 F3 o
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);# v l4 l% Y* m9 f7 L# O; d' h
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// line2 dimension
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Sketch::DimensionGeometry dimLine2_startPoint;8 c0 N* a# C9 |; \7 |
dimLine2_startPoint.Geometry = line2;5 A, |: A. _' z
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0;6 ^6 Z1 F7 W0 b- \
dimLine2_startPoint.HelpPoint.Y = 0.0;
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dimLine2_startPoint.HelpPoint.Z = 0.0;2 @% ?) ]) J3 Z5 `/ j
dimLine2_startPoint.View = nullNXObject;1 ?4 y. U, ~- l" R, r: C6 {
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Sketch::DimensionGeometry dimLine2_endPoint;
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dimLine2_endPoint.Geometry = line2;% R! D, W3 j4 z" w6 w
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine2_endPoint.AssocValue = 0;1 V' T: `0 b) I* {9 M
dimLine2_endPoint.HelpPoint.X = 0.0;
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dimLine2_endPoint.HelpPoint.Y = 0.0;
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dimLine2_endPoint.HelpPoint.Z = 0.0;' T; x4 s" d, c2 K
dimLine2_endPoint.View = nullNXObject;3 T8 o% J8 u% Y$ l: y, ^
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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);
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// line3 dimension $ Z% J! d/ q! A& E/ C4 a
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;* @1 d( {$ s9 W) \' s( O, |
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;( u3 A) J5 b% Z
dimLine3_startPoint.AssocValue = 0;9 @) S2 z W. y
dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;! ~6 X6 Z2 A) \* n2 F4 ^$ t; B
dimLine3_startPoint.HelpPoint.Z = 0.0;8 C: b% k# i: y0 R2 P! z S! |
dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint;
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dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine3_endPoint.AssocValue = 0;8 G* C7 B3 R" \( i3 t" U# b/ b
dimLine3_endPoint.HelpPoint.X = 0.0;& s4 t A/ i8 A3 g' h! Z% _2 r
dimLine3_endPoint.HelpPoint.Y = 0.0;- B X) Q; j% K$ K, g; _
dimLine3_endPoint.HelpPoint.Z = 0.0;& V; Q* f2 S$ y
dimLine3_endPoint.View = nullNXObject;2 ?4 E3 p' F" |# G. e8 R% U# i# @
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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);, r" }. D: ~& F6 V+ w1 z
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//5 update & deactive
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sketch1->Update();
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);% m: s2 J* t- Y: D1 Z! I$ T
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delete expression1;/ R9 k/ v0 l+ g! s
delete expression2;; C# t5 p, a0 y. R7 `, V& u/ X/ e
delete expression3;. q+ W% [6 `: }! J
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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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