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0 }0 m3 @: f- T

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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);
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SketchInPlaceBuilder *sketchInPlaceBuilder1;. n9 P+ G) l( d c5 z, T
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);+ b; z/ c/ D6 a) w6 h j3 a
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;- I# Q: g8 M* C# ~* R
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();2 J( ?' R3 U! N2 G
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;, ^ B9 k j2 D* w. f$ y) S
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;! S; @6 g2 i4 E$ m: H `6 u( T
feature1 = sketch1->Feature();" X& L- f) [8 [7 I
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();( t: t$ |. Z1 o1 M( O1 f
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//1 active sketch / T+ f; d1 U5 F- a6 r7 r2 H0 I
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sketch1->Activate(Sketch::ViewReorientFalse);
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");! x- Z c" A7 \& B' ` h
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");7 t' z3 y& i& ?3 V5 Z( A
double length = this->expressionLength->GetProperties()->GetDouble("Value");2 ~/ E1 W. q0 \1 U. R# W4 d& E
// 2.1 create geometry) p3 h+ T: J- I, M5 ^4 r
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Point3d startPoint1(0.0, 0.0, 0.0);$ L+ Z3 d8 G( s* Z
Point3d endPoint1(0, height1, 0.0);
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Point3d endPoint2(length, height1, 0.0);
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Point3d endPoint3(length, height1-height2, 0.0);, z: K" i/ E+ c: M5 m
Point3d origin = sketch1->Origin();6 n' _! t" E5 u, L
Point *originPoint = workPart->Points()->CreatePoint(origin);: [: X1 ^( ~. h. \" n7 `( \
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Line *line1,*line2,*line3,*line4;
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line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);6 I) |0 \( X+ N6 U& A S! p6 a
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);3 d5 p4 b: C+ o7 c1 Q0 t
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry' r6 V6 |/ R8 f2 D
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);5 y9 V, [+ a" u6 I I# o
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);; g0 h: A/ N5 X; \8 i( j
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);; D$ i8 Z. m" ~: ] i4 {$ i
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//3 add constraints ( gemo)1 N$ _; X5 I! l# X. M7 D
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;- t6 C% |3 T0 t
geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;7 r$ u. D" R K$ W$ H
sketch1->CreateVerticalConstraint(geomline1);7 z9 q6 x A* A3 f5 `3 \
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;( }% c/ P# a1 b
geomline2.SplineDefiningPointIndex = 0;% ]+ t$ J/ O; e1 O8 ]( Y! g9 E
sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;9 }+ z) { Z( X
geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);+ |; ^- [. {) L& |% u' _
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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;. ?( Q5 y: L" [. ~$ b8 x6 [6 @
geomline1.SplineDefiningPointIndex = 0;% ?: T$ Y! d% Z0 o9 m0 _
Sketch::ConstraintGeometry geomline2_originPoint;) U( ?; n# ]+ E7 Y d& ~
geomline2_originPoint.Geometry = originPoint;+ K/ i$ R- C3 N0 ^$ r! ]: e8 J- N
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
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geomline2_originPoint.SplineDefiningPointIndex = 0;
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sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);2 F6 Q0 N7 v( d* E) u* B
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//4 add constraints (dimension)
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NXObject *nullNXObject(NULL); F! X. y1 I6 U4 K
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stringstream s_height1,s_height2,s_length; T: k6 d% {* m% p
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());: P. L+ j* z/ m8 J' i5 }: e3 ^
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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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;+ L" {& @" t' E- C- A6 a) {0 l
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;
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dimLine1_startPoint.HelpPoint.X = 0.0;9 a" f, ]/ d# ?% O3 |! N( ?
dimLine1_startPoint.HelpPoint.Y = 0.0;1 p0 e2 p% _1 `
dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;
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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;' w: M+ V3 s( m$ g# z; E
dimLine1_endPoint.AssocValue = 0;7 [# j% N. O- N S$ g( |
dimLine1_endPoint.HelpPoint.X = 0.0;3 k3 j! u2 S: b8 {
dimLine1_endPoint.HelpPoint.Y = 0.0;
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dimLine1_endPoint.HelpPoint.Z = 0.0;( h3 }9 A% S+ S3 y
dimLine1_endPoint.View = nullNXObject;% E& e; W) w) @* C4 A- U" J+ N
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Point3d dimOrigin1(-100, height1/2, 0.0);8 m+ t4 e3 q9 h3 z8 n* E* e
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);, T. d* q2 [4 c1 p/ G
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// line2 dimension
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Sketch::DimensionGeometry dimLine2_startPoint;
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dimLine2_startPoint.Geometry = line2;
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dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;- m' _' N0 P& g; O ~8 T% W5 W
dimLine2_startPoint.AssocValue = 0;2 Q2 y1 {1 q5 g" r# {! R% Z6 A: d
dimLine2_startPoint.HelpPoint.X = 0.0;* B# z& ?6 ]8 b Z( b3 y( G/ @ L
dimLine2_startPoint.HelpPoint.Y = 0.0;0 b/ b4 M5 m/ n* e, F' `' H
dimLine2_startPoint.HelpPoint.Z = 0.0;' h. x# D- U9 M# v/ \- `% d
dimLine2_startPoint.View = nullNXObject;: S3 q" d$ ^; m# N9 \! X
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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;3 l9 ~" ~7 d' i& U/ c8 E& k2 n
dimLine2_endPoint.View = nullNXObject;1 q. j) ~1 [% `6 Y
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Point3d dimOrigin2(length /2,100 + height1, 0.0);& B& l' `7 n+ R! j$ a8 ~
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);: S5 o( e% R! o9 d
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;/ Z/ \! ?2 U/ F7 I3 }: Q( q7 J# f% g1 U
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;" B5 z) Q' Q2 o) H5 h, f$ ` `
dimLine3_startPoint.AssocValue = 0;
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dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;- p! I* b0 m& l; Y
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Sketch::DimensionGeometry dimLine3_endPoint;" \& t8 Q m$ k
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;, f# w' k3 c7 j% }0 m+ T8 {) \' I/ x
dimLine3_endPoint.AssocValue = 0;/ N) |% f% M! T [3 f+ ]
dimLine3_endPoint.HelpPoint.X = 0.0;
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dimLine3_endPoint.HelpPoint.Y = 0.0;2 r4 G R" {9 k0 U
dimLine3_endPoint.HelpPoint.Z = 0.0;
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dimLine3_endPoint.View = nullNXObject;
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);* ^& @/ r7 m' b6 a9 v
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving);
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//5 update & deactive6 t. y+ w/ ]+ X, w: {1 Y1 T
sketch1->Update();$ r4 l u2 v5 {# p4 ~
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);+ T$ S# u2 S+ H. o
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delete expression1;/ ~5 b2 s [- F4 X
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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