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()' C% v9 r5 Y: ?' V ~0 Y
{
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Sketch *nullSketch(NULL);, Q4 U4 j I( M4 x a
SketchInPlaceBuilder *sketchInPlaceBuilder1;9 A; g) {! L3 a# P4 Y4 H$ h6 }9 Y
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);: B( m1 @( l2 s4 X6 l
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);+ g8 u8 _" b) [ y
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// add preference- I8 s% z% c9 k
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;, o- s( f& u( F' e$ k3 G* @5 _
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();. Y4 b8 R6 d$ F/ `, W$ L z
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);8 c9 v9 p$ t, T# R
preferencesBuilder1->Commit();; A7 i) u; q" l! U
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preferencesBuilder1->Destroy();2 v5 |# m3 c& b$ D" h: j
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NXObject *nXObject1;
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nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;
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feature1 = sketch1->Feature();+ B; ]& g. C4 u) Q0 o4 G/ m
feature1->SetName("XY-Plane-Sketch");0 Q3 {4 Y. w1 S7 e
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sketchInPlaceBuilder1->Destroy();$ G$ {# Y0 Z4 L: w* i" G- I P
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//1 active sketch + a j+ q7 s. f4 O A* R
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sketch1->Activate(Sketch::ViewReorientFalse);( s! M/ p0 \- M
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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");9 n# A& M/ q9 X8 Z2 _5 y& x
// 2.1 create geometry8 b% q/ @( M" b6 e# e+ E
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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);" _! ?5 U7 i p& I$ o! ~# F
Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();7 |' U. N7 K: q0 S1 T
Point *originPoint = workPart->Points()->CreatePoint(origin);. e5 v+ K, \- [& t( b" q; p. k9 G: z
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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);* V/ d$ a' b. E. O/ Z' ?2 m
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);/ m6 K# z6 W9 I3 `
// 2.2 add geometry; T. Y* O( g$ Y2 p
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);6 ~) r; B) ~6 _/ V8 U' a2 p% r/ t+ D
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);4 Z9 D1 M2 b7 P
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//3 add constraints ( gemo)5 O6 ]' H$ V+ \- J
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Sketch::ConstraintGeometry geomline1;' H( a! ]" L0 k6 b9 @, H8 j
geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;5 O: i$ \* ^5 o3 K; t v
sketch1->CreateVerticalConstraint(geomline1);( Y9 }0 w0 g! g( K. L M7 {' [ ^
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Sketch::ConstraintGeometry geomline2;! h; `0 }, _3 }
geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;' N2 k" n; ~# r
geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;
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geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;4 a+ q0 V% O( }' w
geomline3.SplineDefiningPointIndex = 0;" O# e7 t/ g" c
sketch1->CreateVerticalConstraint(geomline3);) R9 |, K1 R3 p; P# \
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Sketch::ConstraintGeometry geomline1_startPoint;
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geomline1_startPoint.Geometry = line1;. f% Q9 O) u1 f7 i6 }( n9 ]
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;: i2 \" L3 F9 D' u5 B% i
geomline1.SplineDefiningPointIndex = 0;7 G0 O5 J" c! E/ b! K, a9 p
Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;- n3 _0 n q1 O2 x! h
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)
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NXObject *nullNXObject(NULL);$ W( v1 \" O& x) x9 l
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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 g# U% p$ O- R$ i7 \& K- ~4 L
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Expression *expression1,*expression2,*expression3;- b7 t$ ^8 {2 ]* J g$ J
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());) Y* [4 O1 a6 _% Q8 r+ \
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());' r# C( f+ h; c! ^) @% L- A
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;9 _9 q, A$ R) g6 [" M
dimLine1_startPoint.Geometry = line1;
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dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;+ X2 N! X. Y7 V: I
dimLine1_startPoint.HelpPoint.X = 0.0;4 Y+ b2 F$ V% O1 U
dimLine1_startPoint.HelpPoint.Y = 0.0;
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dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;, C5 _) ]7 ?8 E z6 Q( _
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;
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dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;
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dimLine1_endPoint.HelpPoint.X = 0.0;
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dimLine1_endPoint.HelpPoint.Y = 0.0;0 y" y6 H. G8 e: l
dimLine1_endPoint.HelpPoint.Z = 0.0;! f( @+ g* Q; V8 R* c
dimLine1_endPoint.View = nullNXObject;
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Point3d dimOrigin1(-100, height1/2, 0.0);# ]$ ~8 F2 Z1 v! V" Q0 g
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);5 T# r$ l2 u. y
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// line2 dimension
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Sketch::DimensionGeometry dimLine2_startPoint;7 t4 s0 r) q5 S% z
dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;' Q5 x, n) U3 n& I/ A( R6 o6 ?$ X
dimLine2_startPoint.AssocValue = 0;0 j- L* K8 R5 I7 ]
dimLine2_startPoint.HelpPoint.X = 0.0;
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dimLine2_startPoint.HelpPoint.Y = 0.0;; A) Z/ Y0 Y! E) B
dimLine2_startPoint.HelpPoint.Z = 0.0;
dimLine2_startPoint.View = nullNXObject;( r/ ~9 l7 m: `- L0 \5 t2 {( L
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Sketch::DimensionGeometry dimLine2_endPoint;
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dimLine2_endPoint.Geometry = line2;& Z5 c2 G: i ^% q6 l9 r u
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;' M" B8 S1 \( J/ G
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;. w+ p+ k4 \0 |2 m1 l" Q
dimLine2_endPoint.HelpPoint.Y = 0.0;
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dimLine2_endPoint.HelpPoint.Z = 0.0;
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dimLine2_endPoint.View = nullNXObject;4 @8 z7 P9 x% o4 ^$ l1 y: R: e
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Point3d dimOrigin2(length /2,100 + height1, 0.0);; O" s' b) O2 A( ~
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);7 j4 a4 M; c# Z& q
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;7 z8 H8 B5 g' l% t1 o% r" d
dimLine3_startPoint.Geometry = line3;
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dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;/ Z7 o0 ~$ y+ {" {, a
dimLine3_startPoint.AssocValue = 0; M1 W {1 U; W! }5 L b0 E
dimLine3_startPoint.HelpPoint.X = 0.0;6 g1 @: w" ?3 y- \/ ^" a" U+ z
dimLine3_startPoint.HelpPoint.Y = 0.0;: R# M3 r, t" r( K+ Q6 C4 R; j
dimLine3_startPoint.HelpPoint.Z = 0.0;* D1 Q9 N8 L* V3 u& N6 U0 [
dimLine3_startPoint.View = nullNXObject;' b7 N; p; S8 z3 v) _* k( w2 }
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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;+ `$ H5 E# Q$ X" k) B
dimLine3_endPoint.AssocValue = 0;$ A7 t: j% U* \3 l
dimLine3_endPoint.HelpPoint.X = 0.0;
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dimLine3_endPoint.HelpPoint.Y = 0.0;: e: }; X4 j" F Q" f# i
dimLine3_endPoint.HelpPoint.Z = 0.0;) y( ]. q2 P# ^$ ~/ |/ L# K1 e
dimLine3_endPoint.View = nullNXObject;! m' K* Q4 F' a) M9 b& B
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);) y' W |9 p7 b
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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 p9 j, e9 ]$ d4 ?
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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delete expression1;
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delete expression2;
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delete expression3;2 |6 S) J9 S( `
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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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