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
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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()* M7 [5 ?$ D. z s @2 c w4 X
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Sketch *nullSketch(NULL);
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SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);
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sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);/ O/ K9 {+ ?) h: N. G% y4 P8 E2 \
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);7 z1 W0 ~+ k. Q" m- S/ L' C
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// add preference" e& f' j" N% ^; P M& q4 F! u" |7 S
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);0 a8 s. ?6 I% e! V
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Drafting::PreferencesBuilder *preferencesBuilder1;. Y* [* A9 _ ]" y6 t
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3); [6 f; B) B4 ~1 f$ O
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();; C2 u7 i! ?# r! S
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NXObject *nXObject1;
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nXObject1 = sketchInPlaceBuilder1->Commit();, x( m$ K7 C( |& J
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;
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feature1 = sketch1->Feature();
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feature1->SetName("XY-Plane-Sketch");: b' K3 \5 C5 Z- W
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sketchInPlaceBuilder1->Destroy();# [+ U' M) e ^6 B% @! t
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//1 active sketch 6 O+ V' P+ A9 ~% J. s% O
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sketch1->Activate(Sketch::ViewReorientFalse);) O) |$ U( ]* V
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");
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double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");7 O I r5 G% Q* g) U6 i( Z
double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry7 M- ~% v2 Q. j) D
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Point3d startPoint1(0.0, 0.0, 0.0);: U1 q- n {- W" F3 c0 l" `# z
Point3d endPoint1(0, height1, 0.0);0 F& D' ?. W) y w2 d, ]& G4 c$ d
Point3d endPoint2(length, height1, 0.0);
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Point3d endPoint3(length, height1-height2, 0.0);5 C5 j( C& s! ?4 K+ y U1 x% }$ [
Point3d origin = sketch1->Origin();% b" w2 f1 z2 D. M9 k6 i" B( R6 d( s
Point *originPoint = workPart->Points()->CreatePoint(origin);5 H# R: {$ P- U% n6 y
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Line *line1,*line2,*line3,*line4;
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line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);
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line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);0 g& i, F% A) c4 q9 q
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);) e. O( \8 u0 \8 @# [( ^/ p/ G1 e! H
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);* Z" V0 z+ x7 M/ D' A+ g
// 2.2 add geometry8 O7 N3 {* R. ? \* o9 H$ {, M+ G
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);$ o0 A4 K7 I, B5 v2 ]
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);$ U6 X* Z4 Z1 T: \& X
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//3 add constraints ( gemo)- b. }# E% O+ r6 ^ s! k2 H
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Sketch::ConstraintGeometry geomline1;% y% c" ~9 N# E
geomline1.Geometry = line1;" ~5 F5 Q3 [3 h' x/ p7 n9 P
geomline1.PointType = Sketch::ConstraintPointTypeNone;/ q6 J9 K! D4 n% P* |% T! ^
geomline1.SplineDefiningPointIndex = 0;6 ?4 X# F" c; V3 T/ V2 Y
sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;8 @- ~5 |) o4 q: S V. R
geomline2.SplineDefiningPointIndex = 0;( q0 z# I1 B* Z7 T5 w) b
sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;* l2 a; d! P$ Z' h4 V/ p. V
geomline3.Geometry = line3;3 \( g& _( H$ m; N2 t, s
geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;, A3 \& o+ q" f4 l
sketch1->CreateVerticalConstraint(geomline3);$ \8 U- Z7 B: I5 u
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Sketch::ConstraintGeometry geomline1_startPoint;" T$ [7 _/ I+ k7 Y5 X. Q3 y* Y
geomline1_startPoint.Geometry = line1;
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geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;$ g6 e. X5 m `' y) I+ J9 L
geomline1.SplineDefiningPointIndex = 0;) ]4 C" p6 O- b- D
Sketch::ConstraintGeometry geomline2_originPoint;$ n3 L4 R8 ], {
geomline2_originPoint.Geometry = originPoint;) }# L7 Q8 {! n7 i% \ X
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone; D& i/ f0 x" Z; ~; f4 V
geomline2_originPoint.SplineDefiningPointIndex = 0;) Z$ t% C# h* I& ^
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;3 i0 B7 l; k* P/ S8 X/ X6 W8 D6 z
s_height1 <<height1;
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s_height2 <<height2;
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s_length <<length;6 H* n! I5 R& G2 i
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());* O6 U, Y3 j, P& f, m$ Y0 `
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());3 L- ^% w+ p# D) J5 W7 v
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;: L! b6 S2 N/ M+ e+ l0 {' z
dimLine1_startPoint.Geometry = line1;5 B% F; C2 C3 F7 K$ X/ C
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;7 m4 N) d- s% p+ D
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;
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dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;0 I' e+ S& o- q( p
dimLine1_endPoint.Geometry = line1;
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dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;# H5 C- D% @' ^% B8 }
dimLine1_endPoint.AssocValue = 0;! F7 Q7 d: R3 o/ v. v6 r
dimLine1_endPoint.HelpPoint.X = 0.0;9 V5 \/ X: c3 Q
dimLine1_endPoint.HelpPoint.Y = 0.0;: D: q A8 k: D/ ?1 @ q( c
dimLine1_endPoint.HelpPoint.Z = 0.0;+ y3 R b2 c* Q5 r7 Z% q
dimLine1_endPoint.View = nullNXObject;
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Point3d dimOrigin1(-100, height1/2, 0.0);5 z% [8 d! X- R" x& I0 U3 l
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);5 H4 z" [* ~5 R$ @
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// line2 dimension
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Sketch::DimensionGeometry dimLine2_startPoint;% Y: u) O( P, Y% r' o
dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint; N) g6 Y3 l% b9 B, E( b3 g5 J
dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0;4 M6 w, x4 E- H
dimLine2_startPoint.HelpPoint.Y = 0.0;6 ^9 F) I$ R( x. l* R# U$ V
dimLine2_startPoint.HelpPoint.Z = 0.0;( h3 H2 ^# q7 K# K2 T2 i
dimLine2_startPoint.View = nullNXObject;0 a9 ]- V2 A6 s& F2 Z8 [
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Sketch::DimensionGeometry dimLine2_endPoint;
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dimLine2_endPoint.Geometry = line2;0 E! u" H. a/ ?' @, b
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine2_endPoint.AssocValue = 0; s. w, P& J# {. ^$ v9 Y
dimLine2_endPoint.HelpPoint.X = 0.0;4 Z# \8 o1 C- w. I/ r; a4 E
dimLine2_endPoint.HelpPoint.Y = 0.0;3 N5 h# @6 M, o9 g
dimLine2_endPoint.HelpPoint.Z = 0.0;. G$ R0 S1 q Y8 w+ Q0 y
dimLine2_endPoint.View = nullNXObject;
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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
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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;: w: w1 [# w! H2 [& r( l& H
dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;, U* p. ^- ?7 h3 F0 }8 G! ~9 Z4 h
dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;; l$ B0 S2 y: u
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Sketch::DimensionGeometry dimLine3_endPoint;
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dimLine3_endPoint.Geometry = line3;' X. i2 {. }/ g, g& s
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;; N, ` \# w! e, i
dimLine3_endPoint.AssocValue = 0;3 @. }) R: A/ ]9 E. x3 Z3 B
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;
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);9 V! q" o$ u( m. Y$ ]
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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();7 A. S& F6 H. E
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);' ?& O0 X) u& }2 t+ G" _
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delete expression1;4 V+ y/ g. F; G
delete expression2;% J2 g5 V T! ?% U
delete expression3;
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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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