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+ N: L$ ?2 R0 [# p+ {

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()4 i1 c: P: I8 T# G: [
{
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Sketch *nullSketch(NULL);
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SketchInPlaceBuilder *sketchInPlaceBuilder1;$ m8 S- R4 E" Q9 d/ W
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);& h% [9 y8 w# J% x+ X
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);, M+ K- r, [: z6 w3 H/ v) t
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);6 \: k- M w/ Q
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// add preference% q# V0 w' C d, W9 X
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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;" V2 K8 v3 h" O4 f3 }, E R
nXObject1 = sketchInPlaceBuilder1->Commit();1 b) b2 i. J& i8 Y! _$ r
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;3 U8 c5 G! D! c' m* A
feature1 = sketch1->Feature();$ j: y6 J, F6 Y' Z) t3 d
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch + A( r1 j. ~+ D% ?
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sketch1->Activate(Sketch::ViewReorientFalse);5 V) @8 m3 z) B
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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");9 V) s6 u! N; R7 E8 ?
// 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);
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Point3d endPoint2(length, height1, 0.0);
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Point3d endPoint3(length, height1-height2, 0.0); Y L( B) R7 s4 U3 k1 W! E
Point3d origin = sketch1->Origin();- g- U2 ^) a) ?7 F* _2 X6 o- \
Point *originPoint = workPart->Points()->CreatePoint(origin);0 C/ L# @5 ?# G) A q
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Line *line1,*line2,*line3,*line4;
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line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);1 J( z( l& l' N$ ~: X8 b! s
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);
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line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);, V. N" M' G6 n0 I7 b3 P
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry; I7 B6 W* J3 y9 S$ Q
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);6 u+ U+ {- d+ ^4 ?: o7 k
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);, e+ Q A3 }* w7 y. Z8 d3 F. r
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);+ z3 [$ n: `" V) z* S
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//3 add constraints ( gemo)2 ?) B8 e( E% R" m, j, m
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Sketch::ConstraintGeometry geomline1;9 H n; w# b. L; b8 ]% _
geomline1.Geometry = line1;7 @ _! S' ~0 j ~- S9 {
geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);( d1 B) `9 V; a8 i* G& C
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;
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geomline2.SplineDefiningPointIndex = 0;- [: R/ S& y. E; f! L4 o
sketch1->CreateHorizontalConstraint(geomline2); b v3 Z# `2 V- f9 g
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Sketch::ConstraintGeometry geomline3;" q. S* V# N% U8 Q) z" q) f+ N, X
geomline3.Geometry = line3;4 f2 i: x3 t. N; T3 J0 o" x
geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;9 {; {8 }' ]# T. ^
sketch1->CreateVerticalConstraint(geomline3);
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Sketch::ConstraintGeometry geomline1_startPoint;: ^4 R: i' s3 U. g8 U- e7 H r
geomline1_startPoint.Geometry = line1;
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geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;) P% u: x, u, F# ~$ C3 p; U
Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;. _4 W. o6 X ^. g
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;. s* M; ~# L% ~+ n
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);+ | J4 B/ u$ r; A) n5 r# W5 ?5 Y
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//4 add constraints (dimension)3 p: X, G2 |5 C0 Y2 k* I
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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;1 O( |- `. M* p; C! ~$ ?
s_height2 <<height2;2 P9 w* _; X# X, {8 ~# ~5 J1 n8 N u7 G3 j
s_length <<length;
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Expression *expression1,*expression2,*expression3;/ ~ T" H! A7 l' y( P
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());
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expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());7 E+ Z( v2 [. }$ Q2 ~" Z( m$ t
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;
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dimLine1_startPoint.Geometry = line1;- X$ T: m3 _% I5 b3 h9 f3 O" |
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;
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dimLine1_startPoint.HelpPoint.X = 0.0;8 q' G, u D/ g8 j
dimLine1_startPoint.HelpPoint.Y = 0.0;; `7 r1 D+ X* F7 @0 I3 q
dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;9 v# M6 z7 s2 D# ]7 [
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;7 z" t; l/ L9 K* Q1 k1 ?+ r# l4 I
dimLine1_endPoint.HelpPoint.X = 0.0;
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dimLine1_endPoint.HelpPoint.Y = 0.0;, @8 _; y! ^' E, K% C
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);
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);
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// line2 dimension , C% z8 p. m A9 A" K/ R! H
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Sketch::DimensionGeometry dimLine2_startPoint;1 t' Q' x7 w: }, N/ z& Q
dimLine2_startPoint.Geometry = line2; H6 M' @" Q, ]9 c
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;0 ]- P4 l# w; S: n
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;
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dimLine2_startPoint.View = nullNXObject;/ H" q9 X4 c& q# g
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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;) m/ q- y& z2 N9 J+ J
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;3 u5 z+ ?" t U, w: `
dimLine2_endPoint.HelpPoint.Y = 0.0; n/ _3 u; G, t; `* }) ~: s1 W! d
dimLine2_endPoint.HelpPoint.Z = 0.0;, T; `6 ^& u ~
dimLine2_endPoint.View = nullNXObject;
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Point3d dimOrigin2(length /2,100 + height1, 0.0);8 v' x$ u! M/ ]. _. y
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3; x( a$ l; D( W2 V6 R4 C
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;* i! N2 l B" q. C& E9 C0 X! @
dimLine3_startPoint.AssocValue = 0;
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dimLine3_startPoint.HelpPoint.X = 0.0;* i& _# k$ M; g- j0 B% x
dimLine3_startPoint.HelpPoint.Y = 0.0;, c0 }5 m* y/ |- d& v7 {
dimLine3_startPoint.HelpPoint.Z = 0.0;0 G9 k( U; b2 [. p. l/ C
dimLine3_startPoint.View = nullNXObject;, j& t* I$ c7 O! N7 \" P
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Sketch::DimensionGeometry dimLine3_endPoint;& k) Z1 D7 r1 I( K3 ?
dimLine3_endPoint.Geometry = line3;9 Z X* y% a8 t* A. w
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;4 L* h% i: ]5 h- @0 m- g: L
dimLine3_endPoint.AssocValue = 0;
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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;4 Q( p. ~' L8 t7 y
dimLine3_endPoint.View = nullNXObject;- K) A# O2 C* \* |) z
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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 & deactive; L$ A9 K7 t0 f1 g. R/ m& a
sketch1->Update();
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);5 ~1 i: h3 |% }/ |& X2 S
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delete expression1;0 f7 h& D8 W# F
delete expression2;1 n, \6 r4 g' Q; S' m8 ]& z+ Y
delete expression3;6 i1 c4 W) X9 B- w; 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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