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 s1 d8 Q c; X; T/ j" ?

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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;
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sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);' X; F' U8 K4 o
sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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//sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);
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// add preference, }$ x* {! \9 ]8 b9 F$ I
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theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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Drafting::PreferencesBuilder *preferencesBuilder1;
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preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();# e3 E2 C% J( f3 g* E! c D$ V# p5 |
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);7 ?3 C* a1 H. m, }, a1 ?% U
preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();5 k' y0 N: a u( p
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NXObject *nXObject1;2 A0 Y# N& v& L2 _
nXObject1 = sketchInPlaceBuilder1->Commit();3 ]2 e! A. S# I) k; W4 o! t
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
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Features::Feature *feature1;1 \' u# T4 i# Q
feature1 = sketch1->Feature();
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feature1->SetName("XY-Plane-Sketch");* [, R, }4 U+ y9 P" v" k1 [' O2 E/ s
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch 6 x. R H$ w2 ?+ Q w
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sketch1->Activate(Sketch::ViewReorientFalse);; t3 B, d: G) H+ I% i, E% u9 L3 y
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");' B. [8 {) T! ]; d
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");
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double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry4 p: }! S) a ?; z# t
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Point3d startPoint1(0.0, 0.0, 0.0);
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Point3d endPoint1(0, height1, 0.0);7 z" h4 A5 l% O+ M
Point3d endPoint2(length, height1, 0.0);2 T9 ~7 L$ b+ S5 }) d5 P
Point3d endPoint3(length, height1-height2, 0.0);9 \# @0 T! x# M1 e
Point3d origin = sketch1->Origin();
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Point *originPoint = workPart->Points()->CreatePoint(origin);# }* E l7 l4 Q5 e
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Line *line1,*line2,*line3,*line4;- `3 d" }" v* n, A
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);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);2 h3 L4 N j) w9 m* e/ [* g( O
// 2.2 add geometry
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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);( O- m$ r' j) a' L4 [ n
sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);5 k; i3 z5 ]/ H; o
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//3 add constraints ( gemo)
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Sketch::ConstraintGeometry geomline1;
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geomline1.Geometry = line1;
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geomline1.PointType = Sketch::ConstraintPointTypeNone;2 q& V- G( r6 ?% v v3 D; ~
geomline1.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline1);; P1 N0 T) ]5 @
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;
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geomline2.PointType = Sketch::ConstraintPointTypeNone;8 Q Y1 | y* b, I$ D! q
geomline2.SplineDefiningPointIndex = 0;2 j H8 O: {& `: f- h
sketch1->CreateHorizontalConstraint(geomline2);: {' ?. w) K9 j. V# s. a
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Sketch::ConstraintGeometry geomline3;& X( F1 q9 g/ r* ]* f1 A8 Y
geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;, q) N |# ?/ ~( V6 S7 H
geomline3.SplineDefiningPointIndex = 0;
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sketch1->CreateVerticalConstraint(geomline3);1 L, r j7 R4 M# k/ v
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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;
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geomline1.SplineDefiningPointIndex = 0;0 y0 g& p4 ?) M
Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;9 w" C' M. s3 I& r& a* B
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;; t" w* r9 }0 |6 _
geomline2_originPoint.SplineDefiningPointIndex = 0;1 Y W: w+ d1 {) y
sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);
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//4 add constraints (dimension)/ m& q: ]( q* j5 G5 ?" t
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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; M0 J0 ? G g* N q( r& s
s_height2 <<height2;& F6 }, d O. T% F* R1 N
s_length <<length;
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Expression *expression1,*expression2,*expression3;2 V( c1 T# o( ~7 C
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());! H) u3 ^7 c7 s; V5 ?9 y- H: c: x# B
expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
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expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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// line1 dimension 8 @4 R8 g9 Y8 W# P3 \& S! m4 t5 m
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Sketch::DimensionGeometry dimLine1_startPoint;$ R' a# }5 I9 I5 q; i0 B+ ^: p
dimLine1_startPoint.Geometry = line1;$ \: ~- h) {" M+ E$ y' E
dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;5 @9 ^4 i1 z0 S% u ?7 u$ s9 |
dimLine1_startPoint.AssocValue = 0;
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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;
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dimLine1_startPoint.View = nullNXObject;- I! Z6 I: O# c4 w
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Sketch::DimensionGeometry dimLine1_endPoint;4 D- K( X8 Q8 Q4 h9 P+ M* n
dimLine1_endPoint.Geometry = line1;
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;) `: z) k: d) X! @& _( q
dimLine1_endPoint.AssocValue = 0;1 K( n" f- M1 R3 m- N" Z4 A
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;
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dimLine1_endPoint.View = nullNXObject;
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Point3d dimOrigin1(-100, height1/2, 0.0);/ `) }0 P; p, [6 O2 j6 R* c
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);
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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;0 C# e" E" i2 @2 x, A" C
dimLine2_startPoint.AssocValue = 0;$ `" A7 Z$ \* ? @, X
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;5 w$ F8 C# d( l4 W# y
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Sketch::DimensionGeometry dimLine2_endPoint;
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dimLine2_endPoint.Geometry = line2;( q! ^; s8 ^* R. V9 ?9 [
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint; n& ^* [ w$ z( M/ d3 T, T' n
dimLine2_endPoint.AssocValue = 0;( `1 U6 l, q) t2 E9 T% R
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;
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dimLine2_endPoint.View = nullNXObject;
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Point3d dimOrigin2(length /2,100 + height1, 0.0);. B+ L+ L7 g! F5 n% P; t
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);6 }" X6 }7 Y a7 w
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// line3 dimension
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Sketch::DimensionGeometry dimLine3_startPoint;6 N$ S, w, V- Q3 S7 t
dimLine3_startPoint.Geometry = line3;
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dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;# z( }+ Y) p- w- `! h' v ~: f/ K
dimLine3_startPoint.AssocValue = 0;
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dimLine3_startPoint.HelpPoint.X = 0.0;% J- c: V: E; k6 I
dimLine3_startPoint.HelpPoint.Y = 0.0;
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dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint; E. G* k6 y9 r
dimLine3_endPoint.Geometry = line3;
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dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;8 {: `; r4 }4 S
dimLine3_endPoint.AssocValue = 0;; t: D5 @! X, }' \% u# v: o
dimLine3_endPoint.HelpPoint.X = 0.0;$ K% o3 T7 ]+ s5 z# i
dimLine3_endPoint.HelpPoint.Y = 0.0;
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dimLine3_endPoint.HelpPoint.Z = 0.0;, @& L& X- A; p2 r' N9 R q' n
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 & deactive6 @! e3 ]& K0 C2 c7 ~
sketch1->Update();1 g- u. a$ i5 N$ H1 I6 j
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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delete expression1; k4 p% C0 v* T8 d. Z" }+ z
delete expression2;; Q& J, B Z* c7 c7 ~/ t
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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