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
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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);
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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);' Z0 U3 U1 z7 \: ~3 o0 ]' C S
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);6 x1 p( o. N, _3 Z2 Z7 y8 E+ `
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Drafting::PreferencesBuilder *preferencesBuilder1;' k J1 _; s" k0 S
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);' ]! A; v6 m$ K- Q0 m# D' ^$ l3 J
preferencesBuilder1->Commit();9 O8 g/ g9 ?0 W1 F* B
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;* W3 F( T( R- @% w9 T8 N+ s# {
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;' V4 ]: `5 H$ w
feature1 = sketch1->Feature();
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feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();7 i) \: d' B& y. g9 V2 f: H
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//1 active sketch
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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");7 |5 {9 g. ]6 m5 v5 R- `. r
double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry6 |% p- c. j0 w4 }6 P
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Point3d startPoint1(0.0, 0.0, 0.0);. S8 G& `" |' h9 V2 Z
Point3d endPoint1(0, height1, 0.0);$ [: s) x& Z* S' M
Point3d endPoint2(length, height1, 0.0);
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Point3d endPoint3(length, height1-height2, 0.0);" W/ e* O, }# O6 t# h( V
Point3d origin = sketch1->Origin();& {" {' M" J$ @: d
Point *originPoint = workPart->Points()->CreatePoint(origin);: C3 g, ?3 s8 G: k; g* [
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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);
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line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);0 |- ~0 T' S6 t
// 2.2 add geometry7 \% k4 H6 ~ E" ?3 ^4 E
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);- [$ N, i# f2 T$ F5 d; h. V9 } G. \
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);6 f9 K) o/ j5 y
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);8 V+ N0 U# P4 v' _
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;1 }. i1 M8 X: j R B9 x) m
geomline1.Geometry = line1;. P8 b+ ?2 Z% m T9 r( Z
geomline1.PointType = Sketch::ConstraintPointTypeNone;4 C( @& ]8 \; j' f4 Q% R
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);: z0 u1 I7 P# o# K/ ~" ]
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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;, K5 m& t$ p7 a* ]7 e. Q
sketch1->CreateHorizontalConstraint(geomline2);. m0 k2 n5 n% ]) M* H _) V; t) w
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Sketch::ConstraintGeometry geomline3;
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geomline3.Geometry = line3;; d) r1 k# e- ^
geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);' e2 ?8 }, M) n& [
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Sketch::ConstraintGeometry geomline1_startPoint;4 K9 I1 N5 b: _* J
geomline1_startPoint.Geometry = line1;& X. G% h/ [* j$ d7 x
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;: k" q m) a; h9 S9 Y% j6 A
Sketch::ConstraintGeometry geomline2_originPoint;# {7 ~! B: p5 D9 e
geomline2_originPoint.Geometry = originPoint;+ Z8 \4 {+ n" a; ?+ J, g7 T
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;4 q3 C6 D, n8 t
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);& }- V5 w* r5 P- u1 Q* H
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//4 add constraints (dimension)9 y9 a( U3 S4 b6 N0 O1 q$ ~
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NXObject *nullNXObject(NULL);
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stringstream s_height1,s_height2,s_length;; |3 x' a& u0 {$ t9 H3 u
s_height1 <<height1;
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s_height2 <<height2;* k. H+ C2 _- |: Z
s_length <<length;& i4 ]) ] {1 R$ y% e& M% _. h6 w) F0 {; p
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());/ A, N6 F& d7 k0 q, ]: A
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());" I/ c+ M) I. W/ B+ m* p( P
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;
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dimLine1_startPoint.Geometry = line1;7 o, Y+ |% `7 \# ]$ o
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;8 c2 W ~' H5 @- u
dimLine1_startPoint.AssocValue = 0;* g: ^2 `/ S+ B% T. b% ?5 l
dimLine1_startPoint.HelpPoint.X = 0.0;& @: }* i" X% e
dimLine1_startPoint.HelpPoint.Y = 0.0;6 Z8 j1 E7 {3 V. n/ A+ l
dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;6 _; w* D: p3 M4 G
dimLine1_endPoint.Geometry = line1;. J1 }6 I" ~4 d2 x7 i2 s
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;2 o$ l- y% K5 b8 T- U
dimLine1_endPoint.AssocValue = 0;
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dimLine1_endPoint.HelpPoint.X = 0.0;+ L) m1 Q4 l' G& | J) E" g/ j
dimLine1_endPoint.HelpPoint.Y = 0.0;" ~0 G9 ?/ K# f. \9 ^
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);
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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: Q' w9 j! \5 Y. ^) x4 A
dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;0 C! f! D! v- q G
dimLine2_startPoint.AssocValue = 0;0 K, V* A* B/ a% J2 n2 ? Y6 _
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;4 g ^8 g7 V7 V+ d/ {) G9 q
dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;
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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;
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dimLine2_endPoint.View = nullNXObject;
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Point3d dimOrigin2(length /2,100 + height1, 0.0);& L h( z$ w" J4 @7 Y- R" K
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);' r6 y( b* \0 a& G* k& x9 D
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;/ L' t$ @5 q' o, P% V
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;7 ~& }: ]# \0 P% }. X' i4 g2 U
dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;: a V& P5 ^6 u, { T5 I7 j
dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint;9 C$ `7 q8 Y, O+ w9 ^
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;9 s5 w$ _0 B# A" ]) N1 R
dimLine3_endPoint.AssocValue = 0;) r0 g4 V; A7 \
dimLine3_endPoint.HelpPoint.X = 0.0;' B0 v% t, E$ D1 t
dimLine3_endPoint.HelpPoint.Y = 0.0;- V- f1 B) w) R$ S: L) s' v
dimLine3_endPoint.HelpPoint.Z = 0.0;, y1 d4 c |+ a
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);7 O8 w+ j G! e6 ]
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delete expression1;
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delete expression2;9 Y0 Z' J" e/ ]
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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