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& k9 C) @' n' v

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关键代码分享：

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void lesson31_createSkeTCh::createIPSketch(): m) Y+ R4 L8 _, M
{
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Sketch *nullSketch(NULL);% l( E7 |# t2 B7 T0 f* Y! p
SketchInPlaceBuilder *sketchInPlaceBuilder1;, {# q' l! C' |8 z! o7 @6 V
sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);) H, E$ r3 }& q! s4 s
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);3 B9 L) @& d1 n& P2 k+ u; J
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Drafting::PreferencesBuilder *preferencesBuilder1;- O2 f* R$ Y* |" V
preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
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preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);0 O% |# n1 O& p5 @4 D1 }3 h
preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
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preferencesBuilder1->Commit();
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preferencesBuilder1->Destroy();
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NXObject *nXObject1;9 N; L. Z( L/ o( {# _- o
nXObject1 = sketchInPlaceBuilder1->Commit();
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Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));9 s2 W9 b8 d9 _) L% a' B/ n5 M- x" H
Features::Feature *feature1;
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feature1 = sketch1->Feature();
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feature1->SetName("XY-Plane-Sketch");4 E' f. B' ^ R
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sketchInPlaceBuilder1->Destroy();
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//1 active sketch
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sketch1->Activate(Sketch::ViewReorientFalse);
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double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");% j. r. v6 o" f6 N
double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");: F% w5 f7 h+ `: Y
double length = this->expressionLength->GetProperties()->GetDouble("Value");
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// 2.1 create geometry
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Point3d startPoint1(0.0, 0.0, 0.0);7 T. a* M L6 I
Point3d endPoint1(0, height1, 0.0);6 t& |) G+ d" e" {% J- m2 ]
Point3d endPoint2(length, height1, 0.0);! \# Q4 O- v) Q( Q
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);% M, u: U4 l& |3 U
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Line *line1,*line2,*line3,*line4;
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line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);
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line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2); L6 Y5 |3 M+ X+ |) L( H
line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
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line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
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// 2.2 add geometry
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sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);% b6 e, Z( Y4 g g% Q
sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);# J1 r3 G) h0 @
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;' |9 o6 ~4 o/ d5 h1 z' I# Z; X x
geomline1.Geometry = line1;: J" \2 }+ e+ h7 ~* I% G( ]
geomline1.PointType = Sketch::ConstraintPointTypeNone;
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geomline1.SplineDefiningPointIndex = 0;$ J; p+ E" m# k% X8 Z6 [* T
sketch1->CreateVerticalConstraint(geomline1);* k* B* s2 d. q" e2 b" c7 Z# }
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Sketch::ConstraintGeometry geomline2;
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geomline2.Geometry = line2;% d6 L& c$ q* h7 s n: _
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;' B/ I! u4 @8 J1 N* Y
geomline3.Geometry = line3;
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geomline3.PointType = Sketch::ConstraintPointTypeNone;
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geomline3.SplineDefiningPointIndex = 0;$ O) v- d' J! y+ D/ r' a
sketch1->CreateVerticalConstraint(geomline3);; y) d5 K& r- R
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Sketch::ConstraintGeometry geomline1_startPoint;8 Y) N8 ]; |8 q, W5 B
geomline1_startPoint.Geometry = line1;, O2 j0 h" _' d' h7 f2 ~$ f. I
geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;6 `7 D7 Q' D" `
geomline1.SplineDefiningPointIndex = 0;
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Sketch::ConstraintGeometry geomline2_originPoint;
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geomline2_originPoint.Geometry = originPoint;$ A* H3 s. L& R* _) {2 B
geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;5 W/ D- e! ^' ?" X0 c" J
geomline2_originPoint.SplineDefiningPointIndex = 0;
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sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);# [1 \+ W0 i+ l, v' P! U
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//4 add constraints (dimension). e+ g. m- G! m! @ v1 G: j
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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;' @7 k- T7 \4 x6 g
s_length <<length;& i( `' G5 S1 Q0 f0 `0 K
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Expression *expression1,*expression2,*expression3;) h! V& l3 ^; S- }1 A2 s# Q
expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());
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expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());! f# l1 t/ c- ]& z) N
expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());7 Q0 j7 [7 r) b. u @
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// line1 dimension
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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;
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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, u Q5 v- k! {$ P2 a; v6 ]( j
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Sketch::DimensionGeometry dimLine1_endPoint;
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dimLine1_endPoint.Geometry = line1;& ^5 N9 L5 x5 @* y6 f- N9 V
dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;) }# k" x5 D: x+ `) g2 [% Q ~
dimLine1_endPoint.AssocValue = 0; U* ]- d6 c7 ~ Z: a9 g/ [' \1 B* y
dimLine1_endPoint.HelpPoint.X = 0.0;3 r, W M# `$ A6 v) ^/ g) K# c
dimLine1_endPoint.HelpPoint.Y = 0.0;4 z& r' S1 m+ d) a* @) m! m2 s
dimLine1_endPoint.HelpPoint.Z = 0.0;' ^6 y8 C1 r5 ~; J$ ]) L
dimLine1_endPoint.View = nullNXObject;. Q( f4 m& D3 a, e. v
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Point3d dimOrigin1(-100, height1/2, 0.0);6 I6 ]/ S9 S$ A/ k, R- q- n
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sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);
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// line2 dimension ! m* u* I5 C# _/ i/ o1 b
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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;
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dimLine2_startPoint.HelpPoint.X = 0.0;
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dimLine2_startPoint.HelpPoint.Y = 0.0;6 j C+ y+ r% p( ^5 r/ D! O
dimLine2_startPoint.HelpPoint.Z = 0.0;
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dimLine2_startPoint.View = nullNXObject;: B0 g/ N, V- F" i6 d* G, ?& X: [
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Sketch::DimensionGeometry dimLine2_endPoint;
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dimLine2_endPoint.Geometry = line2;- e, W" W& D% ~' G1 O* v% \
dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;* f5 `5 n$ o: |3 C- I0 v' t) `
dimLine2_endPoint.AssocValue = 0;
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dimLine2_endPoint.HelpPoint.X = 0.0; [9 r) k6 F7 v A2 A5 k
dimLine2_endPoint.HelpPoint.Y = 0.0;
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dimLine2_endPoint.HelpPoint.Z = 0.0;* N3 R" N0 n' x- }: E2 ?% W
dimLine2_endPoint.View = nullNXObject;, a8 o8 Y& W1 O- u$ i$ K0 e7 N
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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);
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// line3 dimension 8 f+ Y' n8 q6 F) i* C) g
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Sketch::DimensionGeometry dimLine3_startPoint;4 @. R( z3 z P4 R# O1 I! J q7 p
dimLine3_startPoint.Geometry = line3;
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dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;/ F" B7 u8 W# o7 e
dimLine3_startPoint.AssocValue = 0;6 [( B" h; B& B I! y
dimLine3_startPoint.HelpPoint.X = 0.0;
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dimLine3_startPoint.HelpPoint.Y = 0.0;+ f; _3 i% P4 F% O2 Y
dimLine3_startPoint.HelpPoint.Z = 0.0;
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dimLine3_startPoint.View = nullNXObject;
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Sketch::DimensionGeometry dimLine3_endPoint;& Y. ~4 T) w* P' J" N5 |
dimLine3_endPoint.Geometry = line3;) x- T; w) f) k
dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;, [$ j* n+ {! T2 o
dimLine3_endPoint.AssocValue = 0;5 h9 T/ [$ U0 b" G' ^
dimLine3_endPoint.HelpPoint.X = 0.0;& a+ D) b% M. m, F$ u( Y
dimLine3_endPoint.HelpPoint.Y = 0.0;
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dimLine3_endPoint.HelpPoint.Z = 0.0;4 B: H; w/ ~8 ^
dimLine3_endPoint.View = nullNXObject;
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Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);+ a6 s! C. N( S" ]. H2 q
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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();
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sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);2 Z- ~+ o6 v3 W, G7 T N4 S+ J# @
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delete expression1;
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delete expression2;! z/ e! W6 f7 z$ R
delete expression3;: d4 W$ }$ i a. e+ y% R+ l7 N
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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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