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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{
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Sketch *nullSketch(NULL);5 x' s" U/ ^# M4 c+ R# n
SketchInPlaceBuilder *sketchInPlaceBuilder1;3 g0 M! r* j$ r& M7 ` @4 t" q
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);0 S7 a- s5 Y8 u- B# r7 o- @, |% ~- f; f
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);2 U8 _$ n8 X4 f9 T/ h3 |6 K' l
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);( p9 M8 G5 s4 g4 P1 K
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;4 p% O/ z6 W9 X1 I: X1 Q
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);5 E* f' L, E0 I! c& b/ B
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();' Y/ U) D& r S6 Z3 y
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NXObject *nXObject1;) @. e& ]# ^5 D3 t! x0 g3 y9 T
nXObject1 = sketchInPlaceBuilder1->Commit();2 K% r7 ^6 B/ Q/ ~ G& @ `
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));7 ?# ]( f: ~) f8 }: A
Features::Feature *feature1;
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feature1 = sketch1->Feature();" Q% i# s/ |, R0 h" Q! r. f n6 g
feature1->SetName("XY-Plane-Sketch");1 T/ I$ H+ n8 w/ L9 u' }# F! s
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sketchInPlaceBuilder1->Destroy();5 {* B# [! p8 R# K1 z1 P
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//1 active sketch / Y$ [; [% q$ }* q* f% y3 h
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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");) }$ e/ t9 z# q; F9 l" ]! T
// 2.1 create geometry
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Point3d startPoint1(0.0, 0.0, 0.0);$ K) O2 N4 i+ ]! K
Point3d endPoint1(0, height1, 0.0);
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Point3d endPoint2(length, height1, 0.0);' C5 m* B, \. ]/ ~1 e& \
Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();. R4 ~; q% a2 o. Q( H0 p
Point *originPoint = workPart->Points()->CreatePoint(origin);
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Line *line1,*line2,*line3,*line4;9 U: Y$ M# y7 ~- F. V! k6 b4 `
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1); O4 D7 i, Y' P$ v! _
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);* w! \1 i$ f/ x
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);3 }" I$ K! c$ O( A. H4 [
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);( O, _4 g9 y1 f3 m& ]" \: D1 W
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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//3 add constraints ( gemo)$ u6 B' E" Z- M# Z8 ]$ i+ N
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Sketch::ConstraintGeometry geomline1;8 [# [4 T- w# z8 ^& x6 ~9 d4 X
geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;' P, N* E5 F: u4 d. W
geomline1.SplineDefiningPointIndex = 0;) c" O+ w$ Y2 T( w1 d. p N$ i- E
sketch1->CreateVerticalConstraint(geomline1); a. l- e' s- L) }: D0 ]
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Sketch::ConstraintGeometry geomline2;! G/ h7 b) S& @ P! q: ^
geomline2.Geometry = line2;' D r& y) `" O/ k- z8 Y
geomline2.PointType = Sketch::ConstraintPointTypeNone;
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geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);) P. Q6 d2 x. e" q% n1 A6 T
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Sketch::ConstraintGeometry geomline3;! h, g7 w1 _! _6 R8 z
geomline3.Geometry = line3;% Z1 q- G/ r$ i# L& p. L+ a
geomline3.PointType = Sketch::ConstraintPointTypeNone;( ~( F" X) A0 g
geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);: v0 Y* r2 a8 n- W5 Z
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Sketch::ConstraintGeometry geomline1_startPoint;0 x f: V# D, _
geomline1_startPoint.Geometry = line1;
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geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;, L4 f5 F5 |- c
geomline1.SplineDefiningPointIndex = 0;! o% N; O1 p+ k6 _' q0 z$ ]1 k% d
Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;( r& {, V* b' s5 Q7 h
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;
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sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);5 e* w: q3 [( U% `2 C3 _# ~& T
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//4 add constraints (dimension)% \* v: o& _ b; h d/ A
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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;
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s_length <<length;
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());& m9 J( n, P0 |5 j$ X" V! Q
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());3 j$ j3 D* G& m4 A& Q" y
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// line1 dimension + p' E, k& F2 H5 ^ ], }
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Sketch::DimensionGeometry dimLine1_startPoint;
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dimLine1_startPoint.Geometry = line1;: C* @ t* \7 b, R. D2 Y
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;$ V$ \7 [+ q" Z
dimLine1_startPoint.HelpPoint.X = 0.0;" {- {$ O5 E a) z" z
dimLine1_startPoint.HelpPoint.Y = 0.0;
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dimLine1_startPoint.HelpPoint.Z = 0.0;" {3 [. u. C8 `8 R- K
dimLine1_startPoint.View = nullNXObject;3 j$ c5 T* @* `! }3 s8 w, g
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;* P: \) @! q2 D" y* Y% b
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;; f! |! Y: D8 r- \2 d& j: d
dimLine1_endPoint.HelpPoint.X = 0.0;
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dimLine1_endPoint.HelpPoint.Y = 0.0;' v5 J A' U1 E8 ~+ W8 e
dimLine1_endPoint.HelpPoint.Z = 0.0;! |5 u; S! W+ S: O
dimLine1_endPoint.View = nullNXObject;
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Point3d dimOrigin1(-100, height1/2, 0.0);# h4 @3 t) H, {
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);
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// line2 dimension - k7 |, e) P+ i3 e( t5 \
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Sketch::DimensionGeometry dimLine2_startPoint;
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dimLine2_startPoint.Geometry = line2;! L. z2 j1 v G% ]- e( F
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;# b/ L7 j1 A# P8 B' y" `
dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0;
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dimLine2_startPoint.HelpPoint.Y = 0.0;& @/ ?. y5 Y8 _6 \8 p
dimLine2_startPoint.HelpPoint.Z = 0.0;
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dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;0 g: a6 W* Z' l' v' y/ r6 Z7 \! A2 [
dimLine2_endPoint.Geometry = line2;. W$ g9 N4 d! T1 T: Y
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine2_endPoint.AssocValue = 0;4 e& }6 A D( M" p5 U' e
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;6 Z+ [6 \6 w; B) M' G( e* T
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);2 C Y1 T$ w/ T
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;' c1 F1 i, I+ D- S v
dimLine3_startPoint.Geometry = line3;9 N2 _$ B' G2 b9 P
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine3_startPoint.AssocValue = 0;
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dimLine3_startPoint.HelpPoint.X = 0.0;3 i/ b3 z& \0 n p# k" a5 e
dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject; w0 i2 ^# b3 i
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Sketch::DimensionGeometry dimLine3_endPoint;
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dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;6 r/ b, l3 H3 S% N! \
dimLine3_endPoint.AssocValue = 0;; e- R, ~# L3 A: z" A
dimLine3_endPoint.HelpPoint.X = 0.0;
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dimLine3_endPoint.HelpPoint.Y = 0.0;2 V; s4 T+ J0 B1 @8 M' _
dimLine3_endPoint.HelpPoint.Z = 0.0;: M& X! x* N0 M( {( E; e+ p+ L) {
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);! O% E# J0 V+ A- Z) R! V2 X
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//5 update & deactive8 J( F$ p* h, N
sketch1->Update();
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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delete expression1;
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delete expression2;9 ^5 e) B" ~6 G. n- J& }" M: z2 y
delete expression3;# W" O ^* j' k1 v* {
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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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