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! O% I7 w$ F) r6 e* l* r. Y: H

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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);+ n" i( x$ D v Q# F5 K
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);. U' Z9 v" {7 ?* z z
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Drafting::PreferencesBuilder *preferencesBuilder1;4 P0 ^1 ?4 Y8 c# B$ j; k3 X6 k2 l
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();5 N# e- w6 [" H: v7 F5 S: Z
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();& }5 i' e$ [) k" t- n' c
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NXObject *nXObject1;
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nXObject1 = sketchInPlaceBuilder1->Commit();4 a% `. n; n. R' T) Z& E
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));3 e3 p( W d% u- d# V
Features::Feature *feature1;+ x+ Q8 H# x7 \6 C
feature1 = sketch1->Feature();* b6 i0 O# |' E6 \5 L1 ^9 c
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch # Q E7 o" a- N. e9 i5 Z. f
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sketch1->Activate(Sketch::ViewReorientFalse);
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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");% }- }, E0 g* r; j
// 2.1 create geometry
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Point3d startPoint1(0.0, 0.0, 0.0);' r- t# e1 i }# Y- ~2 K; i
Point3d endPoint1(0, height1, 0.0);% x" L M1 a# Y* H" k6 U; Y) t/ {
Point3d endPoint2(length, height1, 0.0);
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Point3d endPoint3(length, height1-height2, 0.0);7 A- L6 w% }- n( u
Point3d origin = sketch1->Origin();2 @+ L# S* e$ O6 O& W) w9 c3 [
Point *originPoint = workPart->Points()->CreatePoint(origin);
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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);$ D, E- a# C k; g; u
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry& H* F6 L' S: _" I/ c2 f- ]
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);+ m" V% l& p! B- J$ [2 C
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);7 U' W0 f, M: Q$ F6 M
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);, k5 f6 f$ l& a* H" V3 J8 N
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//3 add constraints ( gemo). s5 R9 r% p/ t, ^, g( {
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;6 b" m4 f2 f: D
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;3 @% l' o- L5 h6 G
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);, [1 r0 {/ [. d9 Q! z. v+ B6 w
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Sketch::ConstraintGeometry geomline3;+ s* k7 l/ I# ?7 P3 g1 I$ X
geomline3.Geometry = line3;- y. s2 h9 L$ Y
geomline3.PointType = Sketch::ConstraintPointTypeNone;+ C" Y) l6 S7 M8 L8 k5 q
geomline3.SplineDefiningPointIndex = 0;* a/ y% O6 g8 [ ~& b$ Q
sketch1->CreateVerticalConstraint(geomline3);# t0 O k( _+ x2 U( e, N+ ?8 f
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Sketch::ConstraintGeometry geomline1_startPoint;
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geomline1_startPoint.Geometry = line1;; y Z1 Z+ I1 a# B2 x
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;0 z6 f6 j" _& ?- [* S8 k8 U, S
Sketch::ConstraintGeometry geomline2_originPoint; U- g# \% V2 ?0 N3 k! v
geomline2_originPoint.Geometry = originPoint; a9 `1 n; D, x$ S- X- m7 h! z
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)+ k: \8 C" K8 z
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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;
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s_height2 <<height2;1 b: H4 m" F" ^* N3 L+ \2 \' \; ^7 n
s_length <<length;
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());
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expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());( J9 c6 P8 N+ X0 T+ B
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension . Q) F" r3 F& E; y: m- M, }
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Sketch::DimensionGeometry dimLine1_startPoint;- s! ^7 M. @7 i2 {8 G c1 T) H, o
dimLine1_startPoint.Geometry = line1;
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dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;7 P4 R# U0 D( e" g
dimLine1_startPoint.AssocValue = 0;' L$ R" ]) Z9 T9 W l) y
dimLine1_startPoint.HelpPoint.X = 0.0;
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dimLine1_startPoint.HelpPoint.Y = 0.0;+ f9 Z5 t: o4 Q8 a
dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;! \: e2 X7 Y9 Z3 y; R; c
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Sketch::DimensionGeometry dimLine1_endPoint;3 U. a' M/ N7 l( Q- r* u
dimLine1_endPoint.Geometry = line1;" u" K- d, ?$ r7 e" }) \" ]
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;: g5 p- A# I, T6 `8 O" ~
dimLine1_endPoint.HelpPoint.X = 0.0;+ [5 r" @6 D t& O, i' J
dimLine1_endPoint.HelpPoint.Y = 0.0;) ~6 W. |3 ~0 w" Y/ A2 h7 D/ m
dimLine1_endPoint.HelpPoint.Z = 0.0;* X9 x+ f, }7 T# q$ a1 E0 o
dimLine1_endPoint.View = nullNXObject;& ~+ P+ w# h' `2 C% c
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Point3d dimOrigin1(-100, height1/2, 0.0);; S$ [. O; X0 q8 O6 |& }: U
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving); K: D0 Y0 u u6 u. u
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// line2 dimension " Y# J/ H) \# p, [( f
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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;1 ~' ?* U4 \5 i: C4 S# S2 H
dimLine2_startPoint.AssocValue = 0;4 b( q0 v. O9 |4 z2 E
dimLine2_startPoint.HelpPoint.X = 0.0;
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dimLine2_startPoint.HelpPoint.Y = 0.0;4 f6 l# e7 N, |0 O) a7 k4 t# N
dimLine2_startPoint.HelpPoint.Z = 0.0;
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dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;! Q# ~% b9 }4 N9 {% o a
dimLine2_endPoint.Geometry = line2;. u0 v" n0 A+ N$ w# T' z- P4 r
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;3 v% J6 d9 j! s9 Y
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;9 l+ x% s. n5 r7 |
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);# a9 l. b2 d0 g5 P
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;( _4 n5 b2 x7 _+ a
dimLine3_startPoint.Geometry = line3;
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dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;0 [6 i: X/ Y1 l6 a! R/ C
dimLine3_startPoint.AssocValue = 0;
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dimLine3_startPoint.HelpPoint.X = 0.0;$ }& H0 z6 E$ {- B7 p1 y" }
dimLine3_startPoint.HelpPoint.Y = 0.0;8 _. Q) J0 I& H8 P9 a( t. d
dimLine3_startPoint.HelpPoint.Z = 0.0;( ^7 x4 B, j' c: `8 W Z7 k
dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint;
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dimLine3_endPoint.Geometry = line3;. Y) k. v- @' t" L
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;8 v5 A a% H& B: {- I
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);6 ~5 k8 B5 k/ l7 V/ ^3 k' \
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving);+ U- Y% l. I* {1 ?' y
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//5 update & deactive8 v+ R7 L1 T7 w) ` m2 ~
sketch1->Update();- ]$ y, y3 c& Z6 ] ?! w
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);' A* S! g0 v2 i. A0 W! f, G" R; |
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delete expression1;
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delete expression2;" o7 `# }( m+ e; P# B
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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