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% w8 i6 G3 \- r s# F! A& x

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()
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{
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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);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference
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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);$ o- Y( J) {1 i6 D
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();, o- O8 A& L/ e X! S
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preferencesBuilder1->Destroy();$ L3 y" R/ k8 P+ i0 L: H4 f, D
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NXObject *nXObject1; N7 _! J# r7 P. c
nXObject1 = sketchInPlaceBuilder1->Commit();2 f& e" ~. E2 v7 ?
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;
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feature1 = sketch1->Feature();. h& q: V3 D, v* v; s
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch $ B5 R1 R& G. P0 l5 ?8 W, P; a
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sketch1->Activate(Sketch::ViewReorientFalse);* @ [8 E4 Q" A3 @4 n
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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");# a1 K3 x! V* C8 N, ]
// 2.1 create geometry* k& q7 X6 J" ?# s( Z
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Point3d startPoint1(0.0, 0.0, 0.0);5 h* V, A% ?; f! R" f% {; m& g4 [
Point3d endPoint1(0, height1, 0.0);3 X( a+ F1 x6 N+ g- `2 U
Point3d endPoint2(length, height1, 0.0);
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Point3d endPoint3(length, height1-height2, 0.0);$ c: O( f' G- h y8 u- u4 w/ k5 R# J
Point3d origin = sketch1->Origin();
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Point *originPoint = workPart->Points()->CreatePoint(origin);
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Line *line1,*line2,*line3,*line4;4 {8 E+ A! G6 L0 Z* A
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);" @. F- I: M! r, u! k
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);3 S, f5 m7 W: R3 _
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);' X* @7 X) C* \3 `, {1 m; B
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry- r) K, x; [4 o4 a& I* ]% g
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);+ T8 \* ~- x8 y# N
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);# b) I, b+ U) i+ J, V6 x) }
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);- H. V, N) u4 ^8 Z0 U
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;. e) E" ?/ z9 C% u5 g
geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;- L# Z8 D/ M0 ~, S R# X. R q9 k
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;9 S$ o- H2 P2 A0 `
geomline2.PointType = Sketch::ConstraintPointTypeNone;
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geomline2.SplineDefiningPointIndex = 0;, \1 ]4 o% w! L4 u8 v4 t
sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;+ N7 x( j* d* K. C% ^. c! f- Z4 {
geomline3.Geometry = line3;! A- `5 y4 @/ S, w0 @" `5 W1 v
geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;$ r# s( Z O9 T" F
sketch1->CreateVerticalConstraint(geomline3);
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Sketch::ConstraintGeometry geomline1_startPoint;6 Q7 u+ R* F! R0 D
geomline1_startPoint.Geometry = line1;5 I- b$ `: T; v1 a- _' ^' _7 G. n
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;/ |9 H2 X/ g5 }1 b2 G8 j6 Z$ k
geomline1.SplineDefiningPointIndex = 0;6 ~" t; s: X4 A" |6 @
Sketch::ConstraintGeometry geomline2_originPoint;
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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);
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//4 add constraints (dimension)- u' `4 p4 o0 b3 S" I8 P
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NXObject *nullNXObject(NULL);
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stringstream s_height1,s_height2,s_length;( z ~0 A/ t7 f4 S1 m0 Y4 c
s_height1 <<height1;8 b3 I& P$ p# [
s_height2 <<height2;
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s_length <<length;
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Expression *expression1,*expression2,*expression3;2 M# }7 b4 o$ ~
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());
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expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());, I2 y% E) q5 y3 H3 S1 ~
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());- l; ~7 B/ v! g1 B9 K# T
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// line1 dimension ' W) g5 S2 T$ U7 _6 p
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Sketch::DimensionGeometry dimLine1_startPoint;
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dimLine1_startPoint.Geometry = line1;
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dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;; Q) O) K. d. u# ~, T5 N" _
dimLine1_startPoint.AssocValue = 0;" _- X: p c4 m- J) L
dimLine1_startPoint.HelpPoint.X = 0.0;& T9 d! Z/ q. I7 x" |3 I
dimLine1_startPoint.HelpPoint.Y = 0.0;/ ^9 ~& [) B$ a; T
dimLine1_startPoint.HelpPoint.Z = 0.0;1 p H, ?% t' \9 N% v3 M
dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;( Q% l% V2 e5 i8 P- u
dimLine1_endPoint.Geometry = line1;0 \: E, [7 }0 J" p# ^
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;: H' ~; O7 s$ I
dimLine1_endPoint.AssocValue = 0;" m/ P( M4 @3 f2 V1 F$ r
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;$ Z0 q8 [4 ?* p1 t
dimLine1_endPoint.View = nullNXObject;" l6 m) m- n0 n( G# X" Z& x
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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
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Sketch::DimensionGeometry dimLine2_startPoint;. o+ p& h2 ~* g* X# O1 |$ T
dimLine2_startPoint.Geometry = line2;- T/ I2 N9 n& a" A" n; o/ l
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;! Q2 Y# g+ N' m% p$ _1 D, {' z
dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0;6 P% k+ T( b: B# N1 K
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;" Z, E5 M1 b4 s3 p- G
dimLine2_endPoint.Geometry = line2;
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dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine2_endPoint.AssocValue = 0;5 t& c7 |4 R1 u5 g( a& R
dimLine2_endPoint.HelpPoint.X = 0.0;2 A) ?! P) o: p
dimLine2_endPoint.HelpPoint.Y = 0.0;
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dimLine2_endPoint.HelpPoint.Z = 0.0;7 {" D1 I5 a& V% }$ t$ p
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;, P* o8 K3 x( r4 L: \
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine3_startPoint.AssocValue = 0;
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dimLine3_startPoint.HelpPoint.X = 0.0;& |" F- `: S' u2 Z" j- u% B6 l" v
dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;5 B" g! t. a; W" Q7 B
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Sketch::DimensionGeometry dimLine3_endPoint;& t8 O; u+ o+ W" E7 g' g# C$ a4 [9 q
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine3_endPoint.AssocValue = 0;) ^" g, ]+ O+ E4 y: U0 K
dimLine3_endPoint.HelpPoint.X = 0.0;6 n' @2 n- ]/ M3 q5 ?9 X# H
dimLine3_endPoint.HelpPoint.Y = 0.0;) k$ p% p# _; _7 n# b! O; h
dimLine3_endPoint.HelpPoint.Z = 0.0;$ y* f. h4 g- Q. C( d1 b2 m
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);
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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;: w3 I( h& K9 [% e8 g
delete expression2;
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delete expression3;; `* U# n+ p1 A5 ^) K+ Y8 h% ?1 z( X
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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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