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+ A A. R6 f2 S; n

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch(), v1 v9 b7 s7 H/ C' [
{
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Sketch *nullSketch(NULL);) B" A! x2 b( x9 C; s
SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);# M2 f8 E" ?! o1 c+ V
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);9 j) v k) h! k. Q7 {, e
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);% U' I( O$ d# j. V0 Y* ^
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);7 C! q( F, A4 c
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Drafting::PreferencesBuilder *preferencesBuilder1;
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preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);9 z. z6 O) v) x6 k
preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();% A/ N; F4 w! P& o5 @" C6 w
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NXObject *nXObject1;+ I* G* u' ?+ {# {: W- S% \
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));- x, E1 j9 V g, U2 I; ?
Features::Feature *feature1;; {( Z! K M% q! I. A& u% E
feature1 = sketch1->Feature();
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feature1->SetName("XY-Plane-Sketch");& |2 R h+ B% A2 p
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sketchInPlaceBuilder1->Destroy();% M9 U% c. e" i" i
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//1 active sketch
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sketch1->Activate(Sketch::ViewReorientFalse);' N2 w+ |& n2 r8 L. o2 W, X$ L
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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% f- s( S8 ^ u3 y1 } L$ g+ ^& I
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Point3d startPoint1(0.0, 0.0, 0.0);2 z# c4 Y6 r8 l, ~! I
Point3d endPoint1(0, height1, 0.0);' e* S! j% [; j" w q% k) E$ w L
Point3d endPoint2(length, height1, 0.0);% Q" z4 D2 H; n( P' U1 P$ A
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);
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Line *line1,*line2,*line3,*line4;4 w5 }; U1 n4 U: e
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);0 X9 O% G- ^" [ h, T
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- i) [7 s3 d7 i( I0 h1 `; p
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);7 m1 Z+ X% N7 j; c! D
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);# }* s H9 A2 b, i% q* g* j. V( r4 }
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints); G2 ] V% d* n; @6 g! X; w7 B
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//3 add constraints ( gemo)% R y$ ?# A/ O! i" ^9 U) P% b
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Sketch::ConstraintGeometry geomline1;4 u B8 k* _" C' V
geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;& J# L7 b# L: N8 } q
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;% D3 r' z: O# f
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;* F. p% _+ H! l0 P
geomline3.Geometry = line3;! D) \/ ^& v: |2 T8 G, S1 H, L9 T
geomline3.PointType = Sketch::ConstraintPointTypeNone;, ]) `: L, g, \) G
geomline3.SplineDefiningPointIndex = 0;2 R$ c& L" w I7 J# r W& Z
sketch1->CreateVerticalConstraint(geomline3);4 g& z7 p# h& ~) t- j2 r, G3 R& ~
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Sketch::ConstraintGeometry geomline1_startPoint;7 u6 ` d% R9 y, v j! a5 O3 a+ Y
geomline1_startPoint.Geometry = line1;& ~# N0 g6 d9 Z1 U- ^; y5 o
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;% r4 B* D* A2 z g5 ]
geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;& s- X% X; y u; n: Z
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;% M& d2 ]# m7 p; o5 d+ ]3 d n- j6 s
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);
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//4 add constraints (dimension)
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NXObject *nullNXObject(NULL);, F4 C( C2 d/ F# g# \
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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;
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s_length <<length;9 v( P/ l" m" m0 o
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());) u, y' f0 T6 N$ W& E' y& {
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension # i1 s- s% u5 a0 y6 e$ T
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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;2 @% F( l; ] |4 Y* F
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;5 c- M1 h4 E W$ S. T4 T3 z$ A. O. r) Y' X
dimLine1_startPoint.View = nullNXObject;! t( N) T- A) F9 m* Y
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;0 `& t3 l$ U3 f! @; f' {
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;/ B' ^& S- w5 a5 c* y
dimLine1_endPoint.HelpPoint.X = 0.0;) P' p* s) j, d5 M" j3 ?
dimLine1_endPoint.HelpPoint.Y = 0.0;4 f! L& N/ [" B! Z& z- |8 m
dimLine1_endPoint.HelpPoint.Z = 0.0;( C! x9 k7 S- V& l7 C
dimLine1_endPoint.View = nullNXObject;- R8 ]5 H( s6 [8 _ E$ z
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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, v- I* y( M% ^3 S' o; e
dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;/ V, X# D& K! r9 b' s$ E& x
dimLine2_startPoint.HelpPoint.X = 0.0;' q& e$ }" e! z0 J. T, K8 H# w$ M
dimLine2_startPoint.HelpPoint.Y = 0.0;! J7 Z9 n& z' M5 K' p2 v' H
dimLine2_startPoint.HelpPoint.Z = 0.0;
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dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;' x/ b! j5 ]! l
dimLine2_endPoint.Geometry = line2;
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dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;) D% a3 c2 R" \0 e/ E' J; Q3 \' @
dimLine2_endPoint.AssocValue = 0;6 b" F5 Y# n- a5 O! J) V2 ~9 h1 g
dimLine2_endPoint.HelpPoint.X = 0.0;% p) a# L2 _1 p, x- r8 i# F5 f
dimLine2_endPoint.HelpPoint.Y = 0.0;; Q7 j C2 h: W- s
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);$ @* C9 R- \# Z8 |6 H2 a
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);, \# u `* S6 P5 D# h
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// line3 dimension % _' N# D; J5 J1 W" d6 i
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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;
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dimLine3_startPoint.HelpPoint.X = 0.0;2 f0 X/ ~* }* U" t4 v5 h# k; |
dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint;; Z: [5 Y- v. }# \" e: y
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine3_endPoint.AssocValue = 0;) |) q9 J5 w4 L0 n& L
dimLine3_endPoint.HelpPoint.X = 0.0;1 a0 E, \& U. C4 v% E
dimLine3_endPoint.HelpPoint.Y = 0.0;
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dimLine3_endPoint.HelpPoint.Z = 0.0;$ O, ^( ~5 f+ X3 Z Q. ]6 Z9 q
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$ e; U; r4 f3 }2 K
sketch1->Update();7 K8 ]0 ^6 Z% ]: G- _4 c$ Q- p
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);/ ~/ a% H8 c1 A- _ q) K: |1 Y, ?/ ]
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delete expression1;
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delete expression2;
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delete expression3;7 \7 H1 g6 _; |' j: V* i& {
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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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[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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