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; d4 j) b3 D! c/ ~- T

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch()
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Sketch *nullSketch(NULL);8 s G4 _ t7 W- r% k) A
SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);8 |. m/ t+ K: c7 L
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference2 l- C: i9 V R9 ^2 w9 S: a4 a
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;% `$ y6 F) U \. l0 a
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();4 t4 v& }9 _6 L( |( J6 e9 i7 i$ ]
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();! `" C! W$ h8 y( ]" l
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;
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nXObject1 = sketchInPlaceBuilder1->Commit();9 i7 A$ S' @0 c5 W% M. {& S
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));0 o4 h3 ~/ S- G; d
Features::Feature *feature1;
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feature1 = sketch1->Feature();, j5 m& `) K7 n6 N2 ?. e Y% F
feature1->SetName("XY-Plane-Sketch");8 y- B, E: U: N1 P) `- I
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch 1 D$ k4 H; K; ^1 ~2 a$ k; ]8 t
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sketch1->Activate(Sketch::ViewReorientFalse);, ?0 j2 W3 Z" I. ^6 R
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");: X& Q+ r2 @- O& M6 ]
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");
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double length = this->expressionLength->GetProperties()->GetDouble("Value");( ?4 ^' i5 h9 I( y0 u
// 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);
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Point3d endPoint2(length, height1, 0.0);$ E b6 I6 ?8 ~ @
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;' A, z: l+ g" n9 d$ ]5 k: P$ R7 u o
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);: J4 f) p% R3 b; b3 Z
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);2 s; ]8 \9 p/ d E* A J8 t- Q5 R
// 2.2 add geometry7 E0 p9 o: q G$ }
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);) @' ^0 T- t6 `7 O$ P, ?, @
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);9 h; D& l: N! N; ^1 Y
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//3 add constraints ( gemo)- c. Z; b4 ?' X, O# c
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;* f( C6 P+ p% e. s7 ~
geomline1.PointType = Sketch::ConstraintPointTypeNone;8 t9 O2 J0 ?$ x7 J
geomline1.SplineDefiningPointIndex = 0;& N/ @3 W7 n0 f6 K9 _5 O
sketch1->CreateVerticalConstraint(geomline1);! }+ P. L4 C2 o# b
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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);9 j; Z- x0 C' h) e- e
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Sketch::ConstraintGeometry geomline3;
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geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;; i1 b8 ^5 \$ W, y& d
geomline3.SplineDefiningPointIndex = 0;6 ]$ M# M; h/ \0 @8 Q) I! {8 ~8 P' ?
sketch1->CreateVerticalConstraint(geomline3);% Q- m' g5 s3 p# i
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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;
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geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;. h( ` v0 T- q
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;
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sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);# d M9 X* s, d: c7 X8 x; x
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//4 add constraints (dimension), ]% C5 Y5 I& D; `& P7 b
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NXObject *nullNXObject(NULL);
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stringstream s_height1,s_height2,s_length;5 s$ A" k" t! H( m/ O9 D8 F0 H- w
s_height1 <<height1;
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s_height2 <<height2;: d. P% R- ~- @
s_length <<length;5 Z3 o# }/ F; q& e& N& Q. q
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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());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());# w4 Y& q4 d. a
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;
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dimLine1_startPoint.Geometry = line1;. l5 W: G2 f9 |
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;% \+ ?# a3 I" b) I
dimLine1_startPoint.HelpPoint.X = 0.0;7 ^4 \+ r- J' N+ q
dimLine1_startPoint.HelpPoint.Y = 0.0; ?! k, `' D8 ?8 i# G9 ~
dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;1 p9 u# r5 k/ a' [ L+ O
dimLine1_endPoint.Geometry = line1;5 {! W" _+ O' \
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;9 r# `% N% m9 P, p7 F" Q+ p$ W
dimLine1_endPoint.AssocValue = 0;; a7 \+ x) m; S
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;0 b* \: N- d! }" i) A
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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);9 q, O# h9 V, f! x3 Y Z
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// line2 dimension ; K' f3 f+ w" a: A& H
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Sketch::DimensionGeometry dimLine2_startPoint;/ G/ p) u7 ?' `, n0 q: ]0 e' r6 i
dimLine2_startPoint.Geometry = line2;/ C0 Y F: B# E z4 W' m
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0; }' U @3 Q1 u& P. u+ X
dimLine2_startPoint.HelpPoint.Y = 0.0;
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dimLine2_startPoint.HelpPoint.Z = 0.0;6 G } U$ `0 o6 n5 C6 r# A
dimLine2_startPoint.View = nullNXObject;$ p: D) E$ {" W$ p8 L) g
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Sketch::DimensionGeometry dimLine2_endPoint;
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dimLine2_endPoint.Geometry = line2;; b8 e% _, a; b8 i$ ~
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;7 ~/ { e9 E; @" `
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;
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dimLine2_endPoint.HelpPoint.Y = 0.0;# B5 t0 u9 }! k) H* D
dimLine2_endPoint.HelpPoint.Z = 0.0;8 d0 c* Z7 b3 U, c& G& G3 F( @
dimLine2_endPoint.View = nullNXObject;+ V+ _5 v) [: k7 g) o9 B
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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);; k: H4 T0 P4 ^6 p% J
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;0 l# u& z' {2 B9 t& D$ O. R
dimLine3_startPoint.Geometry = line3;5 e H7 S1 }# }3 G5 h5 f' H) d( A
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
dimLine3_startPoint.AssocValue = 0;+ n+ N# Z: i; r! ^" n" h
dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;' ]* O0 Y, l: j* G$ J! b+ S6 r
dimLine3_startPoint.HelpPoint.Z = 0.0;! H/ K7 i( \* K* Q) M
dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint;3 { F$ _' _! b- F: y
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;: ]( M* U! c: }. C! R: J
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;- d" m) F0 P* @4 P0 x) |
dimLine3_endPoint.View = nullNXObject;3 D6 o' L4 I k0 Y: y
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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();1 T, N& o. b4 @- D3 f1 L. o
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);8 R+ L+ E% z" n& b
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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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