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7 z. a* |% ~. }2 I+ X5 ^8 o

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch(): t1 S# K4 b) J7 M
{
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Sketch *nullSketch(NULL);, _7 I! e- j2 a( F% O
SketchInPlaceBuilder *sketchInPlaceBuilder1;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);/ A' @* Q) W% }( N
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);7 J7 m9 q e: V# F) B# `- V, S
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Drafting::PreferencesBuilder *preferencesBuilder1;
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preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);8 t7 X4 Q7 s, m8 @! {
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);8 J' ^. I7 P- Y( W2 a3 L
preferencesBuilder1->Commit();8 ?# [1 C8 h, [: f( `
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preferencesBuilder1->Destroy();7 V0 q, q& \- A' D+ L
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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;0 O. h1 q& N& p$ [
feature1 = sketch1->Feature();, o- k. M( o d _, p% k- U
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch % l, B/ ]8 u k6 Y
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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");# {5 \! k0 o1 \0 ] o
double length = this->expressionLength->GetProperties()->GetDouble("Value");8 q3 H) Q8 q0 L
// 2.1 create geometry" N C6 N3 u1 \7 u% i: b6 Q
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Point3d startPoint1(0.0, 0.0, 0.0);
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Point3d endPoint1(0, height1, 0.0);/ e6 v- N5 T/ b
Point3d endPoint2(length, height1, 0.0);
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Point3d endPoint3(length, height1-height2, 0.0);
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Point3d origin = sketch1->Origin();) ?( M5 u: P# ^6 ]
Point *originPoint = workPart->Points()->CreatePoint(origin);: }: o; S) d: ~* v8 P
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Line *line1,*line2,*line3,*line4;/ H) g5 ]+ a% Z3 ?0 W8 z
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);; t u9 d7 k/ ? r
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);4 H; }( A8 a2 {4 r# b4 V& h1 G/ L# j
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);, y4 D2 x/ r1 d/ o( f7 P f) Z
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry8 b( S) H2 b* [; Z5 C
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);. j Z6 B7 {2 s( ~( h, s
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);5 T i' g3 k- y
sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);# M) u/ u: ?5 H9 A4 _: q8 K
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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//3 add constraints ( gemo); P, S! p2 R5 c: \6 }% t- i8 h$ F8 X
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;" @7 n# e7 W/ W+ ~
geomline2.PointType = Sketch::ConstraintPointTypeNone;3 E3 t* C" H5 N% ]' m( G
geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);( R( g9 h7 n& s [5 i1 ]/ T4 \6 | G
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Sketch::ConstraintGeometry geomline3;
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geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;+ Q: S; U; M6 f) D4 R# ]2 F
geomline3.SplineDefiningPointIndex = 0;8 [% v1 m& z1 Q! O) X- L! @
sketch1->CreateVerticalConstraint(geomline3);7 B" w% K- G" N, J# _' o2 m; }
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Sketch::ConstraintGeometry geomline1_startPoint;3 P% A/ z9 L" l: b' ]- U8 j$ R9 ^
geomline1_startPoint.Geometry = line1;) b3 R( f) d% f: ?$ m& X$ C1 l$ }
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex; G9 w4 g5 J( W+ r
geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;
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geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;! H9 d/ c# k* ^. s; Q9 O
geomline2_originPoint.SplineDefiningPointIndex = 0;& u4 f; C+ S2 P! B8 P9 }3 }* g
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);" [1 J; c% ~5 [8 M z
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//4 add constraints (dimension)0 o) h) H. _, z- ^
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NXObject *nullNXObject(NULL);
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stringstream s_height1,s_height2,s_length;, t4 I% b3 t- Z3 y
s_height1 <<height1;5 p {$ c. A8 Y( O$ p) T5 l
s_height2 <<height2;2 e: \+ f1 w% r7 l
s_length <<length;
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Expression *expression1,*expression2,*expression3;
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expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());( F) s( c# S8 `+ B6 S+ n6 B, b
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());3 a( y$ i8 D2 i% o4 s
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// line1 dimension
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Sketch::DimensionGeometry dimLine1_startPoint;' ]" L8 O6 B5 ^, j9 q, q D' D# v
dimLine1_startPoint.Geometry = line1;
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dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;& }4 h5 A8 H Z6 \
dimLine1_startPoint.AssocValue = 0;/ Q( _1 `% k" {
dimLine1_startPoint.HelpPoint.X = 0.0;4 X, J A9 ^8 ?/ |9 p y0 {
dimLine1_startPoint.HelpPoint.Y = 0.0;" @4 x3 Z9 C' f7 r+ Z) T9 S* p
dimLine1_startPoint.HelpPoint.Z = 0.0;6 u7 j# r" ?/ Z0 U/ V3 i+ I6 ~
dimLine1_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine1_endPoint;& H$ @1 k' |3 I" ?: I$ H" h9 g
dimLine1_endPoint.Geometry = line1;
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dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;# [$ a% P: O) N& b4 _1 C: K
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;5 B, a. u- O/ i, k0 Q: m
dimLine1_endPoint.View = nullNXObject;
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Point3d dimOrigin1(-100, height1/2, 0.0);0 d) T u8 x/ D: S8 F1 N
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);/ @2 e4 D; ~5 I
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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;
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dimLine2_startPoint.AssocValue = 0;! I, V% ~5 O$ L
dimLine2_startPoint.HelpPoint.X = 0.0;0 ]2 C; Y) W1 p5 C5 W: `7 v9 e
dimLine2_startPoint.HelpPoint.Y = 0.0;
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dimLine2_startPoint.HelpPoint.Z = 0.0;
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dimLine2_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine2_endPoint;$ y. w0 c& a `6 a5 c m& R
dimLine2_endPoint.Geometry = line2;, ?' i$ `/ [' c( ~3 g: d* v# ?
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;0 ?1 o+ O4 d% U! z
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;; k" R; o+ v; m- o$ T
dimLine2_endPoint.View = nullNXObject;& Z6 w) f& ~8 F/ m+ t7 X
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Point3d dimOrigin2(length /2,100 + height1, 0.0);4 k6 x, x- g8 i+ p
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);# G) c" Z3 q* z; _ P
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;6 C- o9 I& Y7 N! |, [
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine3_startPoint.AssocValue = 0;" J4 ^% _8 L- D3 c
dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;: R( x1 f3 U p8 b' u1 m4 U2 E
dimLine3_startPoint.HelpPoint.Z = 0.0;; K' k% A6 F: F G8 q6 \: z
dimLine3_startPoint.View = nullNXObject;- c: H8 _0 \* `1 [) M8 H, B
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Sketch::DimensionGeometry dimLine3_endPoint;2 _2 D0 [+ q" {- H3 D7 L# B
dimLine3_endPoint.Geometry = line3;+ R0 z/ X0 _' ~" S; [4 L }& W
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine3_endPoint.AssocValue = 0;9 d, ^% X+ t' ^3 o. Y# ]
dimLine3_endPoint.HelpPoint.X = 0.0;& l' P* n/ t/ E/ U. f
dimLine3_endPoint.HelpPoint.Y = 0.0;4 q0 J( ^4 a) Q# Y
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);
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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();2 B _: c1 ?1 a6 v) F+ l; c
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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;
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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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