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' m4 i4 t' j: Y; ]

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()9 |5 W% g! j/ H% P
{
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Sketch *nullSketch(NULL);9 l1 |. c/ Z F0 F+ l {- X) ~
SketchInPlaceBuilder *sketchInPlaceBuilder1;: S2 M7 {' Y9 [& W6 b0 S6 o
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);3 v. v' U9 r- z+ o' i5 B% x
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);' G' M) A7 }; R1 s( d( D
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference) }6 o- F; y0 p% O/ X
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;& H- k( m0 w; K9 D( m; A
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();- q) v# C( `& {( X$ I0 E
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);2 R9 T9 s% T5 g" f
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();: K$ r8 o& R k0 W! d/ f# P; i+ A
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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));9 o8 O2 L- _7 Q, Q' P0 ^ g3 ^7 x
Features::Feature *feature1;
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feature1 = sketch1->Feature();
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feature1->SetName("XY-Plane-Sketch");; _/ \* U4 Z6 V1 G! N
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sketchInPlaceBuilder1->Destroy();# l6 a# g' Z/ \; H0 J; S e
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//1 active sketch
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sketch1->Activate(Sketch::ViewReorientFalse);8 A* Y6 n; f5 K9 O! A' `
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");1 `2 Y4 h: F* A& ^) X
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");! S6 \5 s: d' V0 y4 K! z# a
double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry3 C/ a ~, q( k% r) `
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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);
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Point3d endPoint3(length, height1-height2, 0.0);$ o. K( P1 g6 r0 W" H
Point3d origin = sketch1->Origin();
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Point *originPoint = workPart->Points()->CreatePoint(origin);9 ?6 L% P7 [, q& _0 ?1 N8 L
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Line *line1,*line2,*line3,*line4;5 \0 J) D* n C1 T3 [; P( U
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);: g9 r2 b/ h* N3 i# z
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);# E1 @7 T7 n! G9 Q, _
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);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);9 h' E L2 H$ N! d" @2 m
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);9 A4 F* x2 y" X! v5 z9 f# j: k
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);( Q, X$ w( i# ` k
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//3 add constraints ( gemo): {& l9 W2 q+ f% X1 s& z- Q: V W
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Sketch::ConstraintGeometry geomline1;& c9 s) `' \! M7 \
geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;+ @: p' X, v/ D4 u* k
sketch1->CreateVerticalConstraint(geomline1);, k6 _% ^! g2 c4 T( O
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;* |: P2 R% j# J: S
geomline2.PointType = Sketch::ConstraintPointTypeNone;8 r% a: V9 {( W" W
geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);7 U# s3 p! n2 ?, D
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Sketch::ConstraintGeometry geomline3;% k: V# M% V& o1 Z+ n* l2 {
geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;1 _6 F) p# T2 o- J* z
geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);
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Sketch::ConstraintGeometry geomline1_startPoint;8 D# P6 b w# A% U% ]1 S# x d3 E
geomline1_startPoint.Geometry = line1;+ } q/ R. Z; U H; R6 i; d) I9 @
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;. c0 N! C, S2 L+ r" W9 J( l
geomline1.SplineDefiningPointIndex = 0;/ |& d4 u6 ~" W
Sketch::ConstraintGeometry geomline2_originPoint;/ A9 b- m5 o! d3 H3 T1 B: o7 u
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);% Z( T. q: Y2 `2 g$ p
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//4 add constraints (dimension)
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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;3 H0 l2 }1 b3 r) L
s_height2 <<height2;3 Y( Q6 d; Z3 y
s_length <<length;/ M; @9 S) d! ?# n( ]7 e7 a
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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());/ B" ] n! x. O! |$ w
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension t F0 p" F1 W1 a
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Sketch::DimensionGeometry dimLine1_startPoint;
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dimLine1_startPoint.Geometry = line1;/ o3 I, F" C- ^$ g
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;( V: ~* d' {" n4 N8 }7 t% ?7 V
dimLine1_startPoint.AssocValue = 0;
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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;9 [1 W# N& D) Y' i. V6 m, z% P
dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;' t. M/ ]& V7 C& V c1 f- n
dimLine1_endPoint.Geometry = line1;5 J5 G- K3 G# W+ ~; _$ R J
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;
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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); b3 S# M, Z- k5 r0 l
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);
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// line2 dimension " e, B! K5 S3 b$ R
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Sketch::DimensionGeometry dimLine2_startPoint;* W Q; K2 [6 s! V7 M
dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;& }/ F/ p& o' B) Z! S4 |3 o+ B
dimLine2_startPoint.HelpPoint.X = 0.0;# E1 |- t" r- t; c/ x s& l
dimLine2_startPoint.HelpPoint.Y = 0.0;
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dimLine2_startPoint.HelpPoint.Z = 0.0;
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dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;0 y2 G9 j: G+ u9 a( G% |2 C$ C
dimLine2_endPoint.Geometry = line2;6 u `! u5 `6 }2 d+ x; I
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine2_endPoint.AssocValue = 0;, P. b/ o8 n* ?1 T) ]- J
dimLine2_endPoint.HelpPoint.X = 0.0;- |3 f5 Q, r% c8 ], X
dimLine2_endPoint.HelpPoint.Y = 0.0;" G5 P* J. p' a' t$ v
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);, j0 o B* Y: Q# v6 W
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);1 Q# O# [) G2 |! K
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;& W, x( ]. j6 P% L. h
dimLine3_startPoint.Geometry = line3;
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dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine3_startPoint.AssocValue = 0;; `: o, f/ i& j, Z R+ r
dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;; k4 c: F1 B5 t5 e
dimLine3_startPoint.View = nullNXObject;( O. b; I7 u& [6 [* c* {
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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;: b6 N0 ~* z2 ?6 |" r
dimLine3_endPoint.HelpPoint.X = 0.0;
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dimLine3_endPoint.HelpPoint.Y = 0.0;
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dimLine3_endPoint.HelpPoint.Z = 0.0;
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dimLine3_endPoint.View = nullNXObject;/ c- Z v( @& @$ i
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);: y) }( Y B9 {1 `
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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);4 R/ J# i6 d9 z! T
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delete expression1;9 }# \$ m4 B) \' C1 Y+ G3 H3 P$ W
delete expression2;
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delete expression3;0 F ?2 c( M& m. T7 a
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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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