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! ^/ x& i/ J1 Z" t- v4 W. b

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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;& d$ `0 @' R0 D- @: Y3 K& v0 P
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);
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sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);; ~! C r2 n7 _
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);, H Y1 ^: e' B% {/ n$ x
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;& a) G; M$ l# Z+ q# e# X$ ]
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();& }: K2 g1 a0 q5 l4 L5 V5 @: e
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();1 k- D; Y5 ]$ W; @) A
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;7 v& l/ h7 r+ _) |0 Z% ~
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));: U8 d6 `- B. n6 Z
Features::Feature *feature1;
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feature1 = sketch1->Feature();$ F6 j1 B. ~' \: I4 I
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();! _2 @, P l2 A# M- h4 j) D
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//1 active sketch 5 s6 |' ]' W* f+ C* v1 T) k0 J6 V
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sketch1->Activate(Sketch::ViewReorientFalse);
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");7 P- B+ A. z/ y
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");+ w1 f6 n/ _1 i
double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry4 K [# H) k( ?
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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);
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Point3d origin = sketch1->Origin();
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Point *originPoint = workPart->Points()->CreatePoint(origin);' @( a. N" m) ~! l- c, l a w1 h
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Line *line1,*line2,*line3,*line4;/ b3 J5 e1 h( N
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);/ W7 q: N+ H, q: ]) e+ ^) w6 e& h
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);2 }# W( f! l* M$ j/ y
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);2 ]+ ?. q0 `. Z: d- x9 ^$ v. Z- \
// 2.2 add geometry0 z, X y$ m5 [" Y( u k# }
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);" Q5 X3 m7 e/ n8 J, @+ r# L
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);7 H, m* Q3 X4 ?& \) K1 G
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);# G3 i, l* Z' X% X2 H1 L/ f# O2 Q, S
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;) Q* F( F- o1 U: |1 |
geomline1.Geometry = line1;; _0 y1 K8 z0 T+ {& q3 ?" Y
geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;
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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;
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geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;- g( x" o: y" R6 F0 ?
geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;; R* Y) |4 J9 ~1 f6 ~% V* ?( z
geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);
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Sketch::ConstraintGeometry geomline1_startPoint;' f8 i: u6 j, @ d
geomline1_startPoint.Geometry = line1;
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geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;1 v) T- M" [% {7 _$ J
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;- B2 | `4 R8 A& u$ x: Z |
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);- [, D+ p6 O5 q4 Q5 y
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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;. y8 o, \1 o, f3 v% W
s_height1 <<height1;
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s_height2 <<height2;
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s_length <<length;
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Expression *expression1,*expression2,*expression3;' n6 P6 z/ R7 O" a4 S
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());
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expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());1 [1 y) i5 C( T9 z, t) Q4 n
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;. J8 e% D7 u+ x4 ~, g
dimLine1_startPoint.Geometry = line1;1 l7 I( h# z$ X
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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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;; Q' j: Z+ X& S0 f1 C+ z0 v
dimLine1_startPoint.View = nullNXObject;* u' F: Z: l. J y. e5 H+ B
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Sketch::DimensionGeometry dimLine1_endPoint;* a% A, h C% O; ~9 h3 a2 b$ h
dimLine1_endPoint.Geometry = line1;
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dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;& \% t7 n2 _5 h; c p5 i
dimLine1_endPoint.AssocValue = 0;
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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;
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Point3d dimOrigin1(-100, height1/2, 0.0);5 a. X2 v" t% `) J" w( A
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);& p: v% S# X/ |' l
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// line2 dimension * ^. A4 ^; d' [
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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;0 k. Z& G# B- t" @- I
dimLine2_startPoint.AssocValue = 0;/ u+ l& T; v, q) R. n/ c) ~8 m
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;3 y. n1 R+ C% t) _
dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;4 Y- k& f) q: S( x
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;
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dimLine2_endPoint.HelpPoint.Y = 0.0;
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dimLine2_endPoint.HelpPoint.Z = 0.0;7 w$ v h; ?4 J' e( ^4 G2 f) K, G
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);, ?# z$ Q2 ?7 L$ R7 d5 Z6 N0 J
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// line3 dimension 8 }; M9 j& H$ P; I& ~* n
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;: a* X8 D& g* y9 y9 Q
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;* m5 ^1 @( ~0 v R0 E
dimLine3_startPoint.AssocValue = 0;
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dimLine3_startPoint.HelpPoint.X = 0.0;- P& q/ p! [2 N! F# ~
dimLine3_startPoint.HelpPoint.Y = 0.0;1 ~! G( ]" t0 p$ u
dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;& X: n2 b: |6 _$ c
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Sketch::DimensionGeometry dimLine3_endPoint;+ l, Z0 T( H+ o
dimLine3_endPoint.Geometry = line3;5 P# H% U$ g0 e* X/ B4 I6 C
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;
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dimLine3_endPoint.View = nullNXObject;
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);1 P/ \# L- t5 O; ?6 f0 [
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving); ^2 q) E7 r: ?( o8 X8 }4 R
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//5 update & deactive
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sketch1->Update();
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);6 Q& b! i$ d4 M# B) k1 G
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delete expression1;( S$ E- ^" ~8 f4 ]9 M: s y s
delete expression2;' o- F' t2 I+ K" j" ^
delete expression3;! O) ^9 f( q; x" @& Y* o
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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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