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 Y! g: f$ Z5 x. q8 O: f3 M, o

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch(); a9 T, ~2 e( I, s" ]2 ~
{
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Sketch *nullSketch(NULL);
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SketchInPlaceBuilder *sketchInPlaceBuilder1;& H$ `9 Q8 O9 d; S; h8 O
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);/ y" O8 r5 t) K @* z% w3 x9 i3 a
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);8 a6 h: s: u5 \) q
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);! t2 L. Z' \5 e0 L* Z
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);/ ^, A* ~2 P% g% C% f
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Drafting::PreferencesBuilder *preferencesBuilder1;7 A8 y2 ~+ [; @* J4 H
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();4 r5 y% u2 P. J' t3 c
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);' ]; E9 o' ~' ~
preferencesBuilder1->Commit();# o# p) r# T! U1 L5 ?0 A2 |
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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));
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Features::Feature *feature1;
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feature1 = sketch1->Feature();7 F( m+ H; N) h$ n; _, J
feature1->SetName("XY-Plane-Sketch");% ^, R/ ^, ?* Q! J" V
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sketchInPlaceBuilder1->Destroy();8 `% @$ ]8 R7 y% `* E' C
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//1 active sketch : \! M' B/ e+ {- O/ ^ d" t
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sketch1->Activate(Sketch::ViewReorientFalse);/ G' Q/ n1 T' I/ {2 y9 g/ ^* S
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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");
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// 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);9 X+ i x/ H+ M0 @6 ]
Point3d endPoint2(length, height1, 0.0);6 r. _3 E/ C# V( W. s3 ]
Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();# R8 j1 e" T6 e p) x' v
Point *originPoint = workPart->Points()->CreatePoint(origin);3 X# @/ }2 h& x e& T# ~5 o& j8 s
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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);
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line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry! Q6 v$ p# E! T3 R) G
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);8 a- X/ K5 x u% e/ Y6 I
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);' w0 e! K4 s; l( }! f) ~1 g
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);, y/ g9 b# }6 C) a9 L! l9 i
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;+ d& v4 N) a- k: `7 L
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);" m% }6 ]) X5 l/ n$ ?' y/ k) g
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;+ G4 b# B+ z( }5 L$ I/ t
geomline2.PointType = Sketch::ConstraintPointTypeNone;
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geomline2.SplineDefiningPointIndex = 0;" T) \( Y6 U0 j" n8 s
sketch1->CreateHorizontalConstraint(geomline2);* q7 i. |, g: f6 r) v/ D
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Sketch::ConstraintGeometry geomline3;7 s+ ?7 \- G) a7 J; r2 g
geomline3.Geometry = line3;6 r* t% Q& _. w+ W4 @7 c8 t, D
geomline3.PointType = Sketch::ConstraintPointTypeNone;- e9 a! v3 j u/ F4 I
geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);8 _- B& j" x: U
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Sketch::ConstraintGeometry geomline1_startPoint;
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geomline1_startPoint.Geometry = line1;
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geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;2 O0 v3 _4 Z* `* R
geomline1.SplineDefiningPointIndex = 0;$ Q2 X" J: a: j1 n' U
Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;! ]7 |* B7 r+ n8 a; p7 j/ z! }
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;0 y5 `: Q" {8 j
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);9 {! p; ~" |5 n
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//4 add constraints (dimension)* E. k" [" K3 c" I3 O$ Y
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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;% {- [* p P2 M1 Y) M
s_height2 <<height2;, o3 V: c2 [5 b4 n' q% j- K3 k; D# `
s_length <<length;
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());' H4 e: d6 [: w" x1 c3 b q" X
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());) b4 s1 V- v- D& ~
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());7 u* K: p j0 @6 q5 l/ i2 d, T
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;5 x; z; ?3 d. e
dimLine1_startPoint.Geometry = line1;. Z& m2 r7 B" B5 E: }
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;: n6 B. P0 [6 `- z7 z
dimLine1_startPoint.AssocValue = 0;
dimLine1_startPoint.HelpPoint.X = 0.0;& B, ~8 s, x6 U( t. a! V
dimLine1_startPoint.HelpPoint.Y = 0.0;
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dimLine1_startPoint.HelpPoint.Z = 0.0;+ [+ ~! V/ _; ]& U! ?2 j# c' v8 M+ h
dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;! |+ f& V# m6 ?3 t7 D: B+ s9 `
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;4 e# k- w) i- |" ~$ B( m
dimLine1_endPoint.AssocValue = 0;/ K* I7 c5 |6 I) M
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; ? b8 X8 M$ a& s$ |- l. ^7 m& a8 l; W
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Point3d dimOrigin1(-100, height1/2, 0.0);8 K5 r# R; D; B* Y9 \: y
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);. y/ P# D) e/ Q2 h9 J- j& ]/ V$ {2 B
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// line2 dimension , Z2 p. M: p; {4 o! I, B
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Sketch::DimensionGeometry dimLine2_startPoint;
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dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;5 Y# u8 ?' W' p* w- A2 v) C4 e
dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0;) ^2 @, h1 T. U! \
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;# T0 J! q: n% B5 p/ r
dimLine2_endPoint.Geometry = line2;
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dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;. S0 y; d3 S8 R1 e
dimLine2_endPoint.HelpPoint.Y = 0.0;
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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);
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);2 L8 d* W# a; A1 F0 u; j
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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;( m* X2 q# m4 @! @, e1 T; ~
dimLine3_startPoint.HelpPoint.X = 0.0;6 x" p" C" i0 o( S _& q4 W9 r
dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;+ d2 o" i2 Q$ m% d
dimLine3_startPoint.View = nullNXObject;" Z& ?! S/ B$ d3 \
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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;
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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;5 R3 ]" H5 q6 K5 }# N" w1 A
dimLine3_endPoint.View = nullNXObject;
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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);: d/ l! E5 R! H' d: _) h5 J
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//5 update & deactive) v3 W! _5 E/ u$ f% {/ b/ P0 J
sketch1->Update();. a: P6 d9 v8 W5 C; d* j$ e% r
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);: }% @3 q; r% u+ { Z& C
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delete expression1;
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delete expression2;
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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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[原创视频] PLM之家-NX9.0 二次开发实例视频31 NXOpen C++创建草图基本特征

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