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, K4 s* P4 \, w1 @

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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;) r' b1 b7 k( j8 i" S8 W. s+ c1 F
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);) z8 L" n6 q$ l$ t; {, P- c. {
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane); }" o' O+ K! R: T6 @
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);1 i7 u. i B" U, i+ u" C
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Drafting::PreferencesBuilder *preferencesBuilder1;- Z& r7 H" \, h6 U* k1 t
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);, `7 r0 J* C- j# A
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;! U8 {; e$ R; E: w/ F. o
nXObject1 = sketchInPlaceBuilder1->Commit();) F* e" Q3 ~% I% u; s0 S; E7 \+ @
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;
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feature1 = sketch1->Feature();
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feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch
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sketch1->Activate(Sketch::ViewReorientFalse);5 N7 V6 Z: Q5 I. ^* Y! Z3 h& Q: y4 j
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");
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double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value"); O L- M- p& m d' L8 ^/ V- k! _
double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry$ O5 [" p# x' [) p3 z% f% p+ @3 }
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Point3d startPoint1(0.0, 0.0, 0.0);
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Point3d endPoint1(0, height1, 0.0);; b! F* g' _, ?# G
Point3d endPoint2(length, height1, 0.0);" b. Y& j1 M, K& P5 D
Point3d endPoint3(length, height1-height2, 0.0);; K3 T) A' N; `
Point3d origin = sketch1->Origin();: u; e# c1 i: [. D' m) s( t' S* ]3 x( s
Point *originPoint = workPart->Points()->CreatePoint(origin);- V. ]( g+ L$ Z3 V' }
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Line *line1,*line2,*line3,*line4;0 Y8 x& u: s( s
line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);# B0 Y% r1 f( U! t; z9 q" ]
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2); r, Q; n. g2 k6 |, Z
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);. |7 W" c4 L7 F
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);* f/ X5 r m% ]8 S, c; a5 |
// 2.2 add geometry# [- Q9 w L+ `
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);' O1 z( x8 z9 T6 r& O. Y8 c1 o$ m1 F% }0 w
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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//3 add constraints ( gemo)' b2 W' @* a6 ^ q
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;/ E6 I. F/ l: U. N5 c, q
geomline1.SplineDefiningPointIndex = 0;0 m+ n4 B5 \+ [+ N1 ~; D: T
sketch1->CreateVerticalConstraint(geomline1);/ P5 O- W; U! v& U- L& B6 P+ @
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Sketch::ConstraintGeometry geomline2;# B+ I. [1 z5 |2 p
geomline2.Geometry = line2;$ H/ l- Z( N! }+ I
geomline2.PointType = Sketch::ConstraintPointTypeNone;8 Q0 B" Z8 L! R& r. H
geomline2.SplineDefiningPointIndex = 0;3 I7 j* C# ?! c7 D
sketch1->CreateHorizontalConstraint(geomline2);8 O0 g- h/ E: X5 V8 U
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Sketch::ConstraintGeometry geomline3;" S3 n" q9 @/ u# E
geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;& t; m/ r9 o$ _, h* R- R
geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);
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Sketch::ConstraintGeometry geomline1_startPoint;. k r' j* F" p+ ~1 `* T
geomline1_startPoint.Geometry = line1;$ \3 c0 N$ Z/ m5 x
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;( [5 M4 R1 g/ {' q% z3 y5 t
geomline1.SplineDefiningPointIndex = 0;, }2 ~0 F* [ o0 _9 S2 V
Sketch::ConstraintGeometry geomline2_originPoint;# _, t7 B2 d& H1 n
geomline2_originPoint.Geometry = originPoint;4 J, @0 C9 u' D9 J" ]
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;) X/ Y- }7 c- l
geomline2_originPoint.SplineDefiningPointIndex = 0;
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sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);4 j" W* k* w5 a2 j/ A; h
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//4 add constraints (dimension)
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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;5 C; H2 v, o3 e: b; q- x
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());
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expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension 2 z5 e9 g4 V! f& {8 r
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Sketch::DimensionGeometry dimLine1_startPoint;+ S' f' t0 r( w% V) c, q# h2 B
dimLine1_startPoint.Geometry = line1;5 R, ], F2 i# h; P
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;9 Q p, b6 I/ g
dimLine1_startPoint.AssocValue = 0;+ ]" z+ x* ^8 S2 L
dimLine1_startPoint.HelpPoint.X = 0.0;. \ j: G* M6 s) o2 e5 r# o; e
dimLine1_startPoint.HelpPoint.Y = 0.0;3 P$ \5 b0 v3 e9 X& B
dimLine1_startPoint.HelpPoint.Z = 0.0;
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dimLine1_startPoint.View = nullNXObject;/ l6 m$ }- N# z3 ^
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;, n+ Z" K0 g. M8 c
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;5 \5 r9 O" O7 L, Y* E$ c
dimLine1_endPoint.AssocValue = 0;* e1 |" q) J! h% t: O& [8 L
dimLine1_endPoint.HelpPoint.X = 0.0;7 N6 q/ P6 s1 j) e- ]
dimLine1_endPoint.HelpPoint.Y = 0.0;. c; T' a3 t a( M% _
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 , q; u) V+ Q* F u- P0 j
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Sketch::DimensionGeometry dimLine2_startPoint;. o) g* @6 K! j7 @+ x4 M3 L8 @
dimLine2_startPoint.Geometry = line2;, i5 ~( {4 X: O; ^
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;$ E. D1 }" f: n3 \6 y
dimLine2_startPoint.AssocValue = 0;$ h2 }3 E% t8 y3 n( q7 i
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;
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dimLine2_startPoint.View = nullNXObject;$ k6 _. V1 y0 V& D! G
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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;7 @/ E* T+ d4 S ]% O# ~2 n
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;- R2 g- |0 S# U6 G" x8 R
dimLine2_endPoint.HelpPoint.Y = 0.0;
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dimLine2_endPoint.HelpPoint.Z = 0.0;( F# ] Y0 p6 W! T! j" X0 I1 H/ p! L
dimLine2_endPoint.View = nullNXObject;- O3 C1 I( r; {9 s3 y6 U8 d
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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);+ L0 V; e0 ]% X& k; d6 x
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// line3 dimension . E8 t+ ^2 o! D# v% t8 q
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Sketch::DimensionGeometry dimLine3_startPoint;3 j, M& x% l6 G7 l8 y M+ `# o, ^( v7 b
dimLine3_startPoint.Geometry = line3;
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dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;% t t" V/ @0 K. `5 G; Z
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# c% ^# |1 e" X
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Sketch::DimensionGeometry dimLine3_endPoint;
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dimLine3_endPoint.Geometry = line3;& B0 Y2 L5 l3 N0 N1 T) E' `. Q
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine3_endPoint.AssocValue = 0;
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dimLine3_endPoint.HelpPoint.X = 0.0;
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dimLine3_endPoint.HelpPoint.Y = 0.0;
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dimLine3_endPoint.HelpPoint.Z = 0.0;8 f6 R; \1 K3 M+ X* t" i+ U
dimLine3_endPoint.View = nullNXObject;9 K4 O( ^1 d+ U1 h* G5 Z& X
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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);; L$ G. B- M3 [5 O
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//5 update & deactive7 I% f: R9 w4 `) r( C, M: F
sketch1->Update();- K; G ~- x% x3 k5 V
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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delete expression1;8 E; U& b4 S) t( N3 |' P
delete expression2;3 b5 @& p& A# ?) S
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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