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2 n( j8 {( `3 U" o

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()1 \: A- c1 T+ b& |* ^0 h: X) V
{
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Sketch *nullSketch(NULL);3 h% w. W- v* O |! Z' Y' U
SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);7 T' I! u; G6 U: Z. f) I( h7 v
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference" M9 g R$ _$ J3 O; S0 ?
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);+ v6 o2 X: R5 x3 f6 S
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Drafting::PreferencesBuilder *preferencesBuilder1;
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preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();. ]3 p- L4 X# Y+ T1 S' a$ s; I: p% y
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);+ k$ s [ z9 f8 x1 I$ ]
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3); v; P P" q9 z
preferencesBuilder1->Commit();8 N; N% e Z5 K- [6 x5 K- e: H
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;) D: u8 L, G3 |. b2 A2 H8 }
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;
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feature1 = sketch1->Feature();$ [6 N4 r& Y# i2 l1 _ P2 Q7 G8 W
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();
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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");0 g7 X+ I/ U, m0 R( B9 a* n& f
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");
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double length = this->expressionLength->GetProperties()->GetDouble("Value");7 X K9 v$ g8 x4 s/ _
// 2.1 create geometry& ?; b4 u% v3 e) m
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Point3d startPoint1(0.0, 0.0, 0.0);( E: e# y2 w) B; [5 F0 U
Point3d endPoint1(0, height1, 0.0);; O6 @- d# U2 f8 K! a/ ?
Point3d endPoint2(length, height1, 0.0);. ^, _1 P U* G/ b. g
Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();
Point *originPoint = workPart->Points()->CreatePoint(origin);5 x# p- G. F/ H1 E- e
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Line *line1,*line2,*line3,*line4;* N- G3 l0 U1 ~% Z8 K5 f2 ~: u
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);
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line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);+ S$ l# i& X' H# Z% `
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);. T6 e5 c& [. c; f6 V9 H' _9 u9 M
// 2.2 add geometry* L% F S2 ^" e! v" J4 E2 c
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);: s/ N7 L7 a% ~) j3 R
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);, I) G0 O5 F" I7 H5 |# e
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);/ i* ?; |" h0 X/ Q8 J. u# c0 `
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;) N5 ^# k* Q% D$ Q! S
geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;5 B* V% V/ f. P) y* m8 C
geomline1.SplineDefiningPointIndex = 0;8 r$ w0 z1 s/ \2 G* K
sketch1->CreateVerticalConstraint(geomline1);( }4 {* L! _ I0 C6 s
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;/ F! u& ~5 d- ]2 c% f- y
geomline2.PointType = Sketch::ConstraintPointTypeNone;
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geomline2.SplineDefiningPointIndex = 0;& Y. d z x) b- l8 S2 L9 g/ x
sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;. D2 A2 V& A' D+ C6 B) e0 ~
geomline3.Geometry = line3;! I4 ^2 I: g4 y, u9 h. O
geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);0 \0 d8 B$ T) }
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Sketch::ConstraintGeometry geomline1_startPoint;
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geomline1_startPoint.Geometry = line1;: N" P3 _. G2 i
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;/ ?; M3 R& H3 l( H8 k
geomline1.SplineDefiningPointIndex = 0;( \0 t, n+ h" n J
Sketch::ConstraintGeometry geomline2_originPoint;( K5 Y; _6 {/ q' u% P6 B
geomline2_originPoint.Geometry = originPoint;* L) t }, f' w0 `' h% q- d
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;/ p8 j! \% Y4 }* l3 c$ g0 [( W
geomline2_originPoint.SplineDefiningPointIndex = 0;0 ]/ Y( H; F9 _6 T
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);
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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;* d% c& Y1 ?3 {9 Z) T9 {1 O9 T
s_height1 <<height1;0 {! Z, f. }' r. \! ^8 e) ^: Z
s_height2 <<height2;3 n8 M+ w0 f1 t5 K" W
s_length <<length;4 E9 _1 h3 u; P3 j3 ?2 ?
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());6 s. A9 H$ t& |+ `# R
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());5 [# I! ` T1 J' A3 A+ n( t; H2 h. [# \; [
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// line1 dimension 3 b" ^' ^. P1 O1 K- C$ d: N
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Sketch::DimensionGeometry dimLine1_startPoint;/ L2 p% n$ y+ p: A" I! [
dimLine1_startPoint.Geometry = line1;$ n8 I K6 X0 `) o- e
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;6 t/ N5 D8 z9 K2 r
dimLine1_startPoint.AssocValue = 0;6 n% u, }8 K- e Q N a5 b
dimLine1_startPoint.HelpPoint.X = 0.0;6 L* U- _3 r: w' G* P: I
dimLine1_startPoint.HelpPoint.Y = 0.0;; i7 h' N0 i1 M. S. ?" Q8 T, A! Z
dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;7 q2 a$ ~( D' t& j& J$ P
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;3 j+ F& P0 ^: \
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;7 F7 R1 P! ?! `% R/ H& e
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;: T) X3 P0 G P% E
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Point3d dimOrigin1(-100, height1/2, 0.0);# r3 F, V& N/ j
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);$ m' ^5 B' r# K2 F6 E
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// line2 dimension
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Sketch::DimensionGeometry dimLine2_startPoint;
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dimLine2_startPoint.Geometry = line2;7 U# ? E) K3 \" @+ [
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0;
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dimLine2_startPoint.HelpPoint.Y = 0.0;; w7 y4 k% A9 `, u; h' z" \5 d1 w
dimLine2_startPoint.HelpPoint.Z = 0.0;
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dimLine2_startPoint.View = nullNXObject;6 @& ]1 s6 z |- D1 D4 w3 l# a# l
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Sketch::DimensionGeometry dimLine2_endPoint;: J; d8 O8 k' R& l i! m6 L
dimLine2_endPoint.Geometry = line2;
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dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;% C2 c% N' G1 X+ U/ a4 N1 R. v
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;
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dimLine2_endPoint.HelpPoint.Y = 0.0;6 q6 G5 y' W9 n2 O
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);9 P) ]! m a2 d: L3 C
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);# N; ]% y% r9 e/ N2 C' [( h
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;
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dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine3_startPoint.AssocValue = 0;& J5 D# \) J& k4 y# [
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;
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dimLine3_startPoint.View = nullNXObject;& v9 V3 R; Z) N. A
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Sketch::DimensionGeometry dimLine3_endPoint;
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dimLine3_endPoint.Geometry = line3;2 v8 r, A5 A& M
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine3_endPoint.AssocValue = 0;; K! f: f, V: L' U2 [
dimLine3_endPoint.HelpPoint.X = 0.0;5 |9 [5 f2 n+ z+ Z+ W$ Q+ N
dimLine3_endPoint.HelpPoint.Y = 0.0;
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dimLine3_endPoint.HelpPoint.Z = 0.0;
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dimLine3_endPoint.View = nullNXObject;: |! z2 U9 O; s
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);3 p( C( \2 ^2 T& N9 r+ Y4 W$ q. h
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving);' ?9 w2 b' p* g9 K% d4 p
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//5 update & deactive
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sketch1->Update();
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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delete expression1;
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delete expression2;
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delete expression3;
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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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