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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Sketch *nullSketch(NULL);
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SketchInPlaceBuilder *sketchInPlaceBuilder1; g- S7 V2 N0 h+ @" r" R# _4 h
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);
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sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);" c" f+ E- k% Y5 u9 Z: b' B
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference8 T0 q! Z z4 K& d% c0 j- }
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;
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preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);/ v2 [8 @9 ] I ]1 A2 s6 K
preferencesBuilder1->Commit();! j: ?6 a7 h$ k- Y6 @( L; u
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;
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nXObject1 = sketchInPlaceBuilder1->Commit();! l# _5 G$ A: i5 w. Y
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;
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feature1 = sketch1->Feature();# u+ l) w( U; t1 v5 \
feature1->SetName("XY-Plane-Sketch");
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sketchInPlaceBuilder1->Destroy();; [# L) x7 [/ f' X) t$ i4 {$ Z
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//1 active sketch
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sketch1->Activate(Sketch::ViewReorientFalse);4 x/ k( ]9 Y$ e4 k. T
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");3 n8 ]; A! X: J6 I; f% t9 c
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value"); }3 C) F b: c
double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry2 J D4 I, _- l- ]6 b7 f
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Point3d startPoint1(0.0, 0.0, 0.0);6 Z# }- M9 X2 b0 T, f$ V0 e
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);
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Point3d origin = sketch1->Origin();
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Point *originPoint = workPart->Points()->CreatePoint(origin);2 [+ l7 R/ l1 m( k2 [+ w
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Line *line1,*line2,*line3,*line4;
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line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);3 N4 N% ?+ Y3 ~" G
line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);' y8 {" ^/ ?1 O$ p4 C% l
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);, @/ _! i. B* K. n# _+ j
line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);/ [* j5 y O9 `+ l9 l5 M2 l* \
// 2.2 add geometry
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);8 y# ^7 `3 M3 b8 i2 I+ y; ]
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;7 y6 w. n {1 I) `: Z* H
geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;" j$ P7 o" J4 B- M0 A, U$ H
sketch1->CreateVerticalConstraint(geomline1);
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Sketch::ConstraintGeometry geomline2;1 N# K; H$ p( y
geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;
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geomline2.SplineDefiningPointIndex = 0;
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sketch1->CreateHorizontalConstraint(geomline2);
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Sketch::ConstraintGeometry geomline3;
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geomline3.Geometry = line3;. q) ]0 @( S2 h: P. M P' w
geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3); s9 w8 ~' e: O# e% }
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Sketch::ConstraintGeometry geomline1_startPoint;
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geomline1_startPoint.Geometry = line1;5 k2 [, |7 H- ]* w
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
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geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;' D# Z1 D$ t/ b8 u+ D. R$ C, U
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;* k0 k/ e) v5 Y& `) M
geomline2_originPoint.SplineDefiningPointIndex = 0;
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sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);
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//4 add constraints (dimension)) c8 O5 |2 w, k8 _: |) t+ O
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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;! |- f9 I, K+ g' `1 k
s_height2 <<height2; T+ B& b% y5 B( K) u0 O5 A
s_length <<length;% Z, W) U% _8 I5 y" M$ [) x
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Expression *expression1,*expression2,*expression3;) C2 W" H6 T6 X Q
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());% c1 M( h8 k" \
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// line1 dimension . H. t, ]5 s) W1 p% ? R
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Sketch::DimensionGeometry dimLine1_startPoint;
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dimLine1_startPoint.Geometry = line1;
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dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
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dimLine1_startPoint.AssocValue = 0;6 y* b) t8 U, U$ B
dimLine1_startPoint.HelpPoint.X = 0.0;
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dimLine1_startPoint.HelpPoint.Y = 0.0;
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dimLine1_startPoint.HelpPoint.Z = 0.0;* [* T u4 ~+ r' I/ T- w
dimLine1_startPoint.View = nullNXObject;( |! g' A: U7 G" B5 v+ h( I
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;- S# r: h( L/ B4 @: ]
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
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dimLine1_endPoint.AssocValue = 0;, a* D# f W+ D1 o
dimLine1_endPoint.HelpPoint.X = 0.0;2 z' Z# r$ S$ A' U. }
dimLine1_endPoint.HelpPoint.Y = 0.0;
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dimLine1_endPoint.HelpPoint.Z = 0.0;. z! h+ } W- N; }1 c
dimLine1_endPoint.View = nullNXObject;! u& v' J' \5 S# S$ R; z: X; }# E
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Point3d dimOrigin1(-100, height1/2, 0.0);3 f. }' Y1 m0 O
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);
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// line2 dimension 2 M0 Q# Z0 H7 {$ z2 K- w
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Sketch::DimensionGeometry dimLine2_startPoint;
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dimLine2_startPoint.Geometry = line2;+ _7 [+ x9 A( @$ q! E
dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;( K' |9 H: \# `0 V% Z
dimLine2_startPoint.AssocValue = 0;
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dimLine2_startPoint.HelpPoint.X = 0.0;9 ?8 o7 r! z4 N2 L" `: I
dimLine2_startPoint.HelpPoint.Y = 0.0;" j6 Z" l6 r6 d0 U* M
dimLine2_startPoint.HelpPoint.Z = 0.0;' s2 j+ U' g- G: A1 v
dimLine2_startPoint.View = nullNXObject;. D+ c% i: X6 ~
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Sketch::DimensionGeometry dimLine2_endPoint;
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dimLine2_endPoint.Geometry = line2;. p7 B' I8 B- C
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;& T; ]3 O4 L& Y% N* t. [
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0;; h( J2 p' o% P% J/ m
dimLine2_endPoint.HelpPoint.Y = 0.0;
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dimLine2_endPoint.HelpPoint.Z = 0.0;% s, ^4 y( A( V/ S4 y f
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);: }8 y, g Z0 g* M
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;
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dimLine3_startPoint.Geometry = line3;7 s+ u9 ]! W+ O* [
dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;; W e" Q8 Q. ]2 E. O/ s; n
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;* Q, t5 k' [' X0 P) U
dimLine3_startPoint.View = nullNXObject;# q' r6 E, @0 o" 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;& N* G! i; [8 _7 D7 g+ v
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;
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dimLine3_endPoint.View = nullNXObject;. I, b. P9 e) H; Z
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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; K# i) E( c- h/ [5 P2 n1 [) t2 y
sketch1->Update();
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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delete expression1;( N; f& Z! Y6 A$ N8 D& m: x0 E
delete expression2;
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delete expression3;7 ?1 }$ r2 X3 x% ?* w, b1 i2 I
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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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