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PLM之家-NX9.0 二次开发实例视频32 NXOpen C++创建拉伸特征
NXOpen C++创建拉伸特征
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内容：9 q8 }* |1 J+ j+ t
通过草图创建拉伸操作
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/ k* a# T% e2 D. M在NX中，使用NXOpen C++可以很方便的进行JA的录制，草图的拉伸可以通过JA生成代码，此处拉伸草图的方向为草图的法相方向。需要用户输入拉伸的起始值和结束值。草图创建过程中主要是对section进行定义，在定义的时候需要考虑到选择意图selectionRule的定义。4 U$ ]' y, f( r0 |( T$ F# Q
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关键代码分享：' V; s; Z: _# _5 I1 l
$ k6 R3 d1 q; o6 H' s) k2 G6 ?- <font size="5">! b( X4 t6 T& ^% x
- </font>
" \+ H! S8 A! L# `( i9 a - <font size="5">void lesson32_createExtrude::createExtrude(SkeTCh *sketch): o4 u! B) ?3 N. y k4 u0 F! ^' I
- {
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2 Z9 c# E1 W8 o5 k- Features::Feature *nullFeatures_Feature(NULL);
$ M q( g9 F% D; R+ f - Features::ExtrudeBuilder *extrudeBuilder1;
+ V% F: e% C& A* Y( R: T - extrudeBuilder1 = workPart->Features()->CreateExtrudeBuilder(nullFeatures_Feature);8 N, ~/ c+ b( C5 b7 \: o
- // set parameters
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- // create section Start
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- section = workPart->Sections()->CreateSection();' o9 j+ K, Z5 l- u6 g; R6 o9 [
- extrudeBuilder1->SetSection(section);6 n# @' X1 I; U5 i9 {
7 Q, e& S: j3 ?) V4 w2 {0 p- CurveFeatureRule *curveFeatureRule1;7 i% v3 I! `0 I2 z. `3 R6 f( r5 O: W0 l
- std::vector<Features::Feature *> Rulefeatures(1);. l! `2 n( Q) h* N* {& Y
- Rulefeatures[0] = sketch->Feature();4 Z8 c! @+ @. i$ T$ a9 ` t
- curveFeatureRule1 = workPart->ScRuleFactory()->CreateRuleCurveFeature(Rulefeatures);
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- std::vector<SelectionIntentRule *> rules(1);
$ q; R: }, a- t& U: u& U7 t - rules[0] = curveFeatureRule1;
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z% i! }1 ?- e3 K- Point3d helpPoint1(0, 0, 0);
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- section->AddToSection(rules, nullNXObject, nullNXObject, nullNXObject, helpPoint1, Section::ModeCreate, false);$ v, G. G2 a& g: ^
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- // create section End/ c5 b0 W& a/ x
5 q9 [! J. _$ p- E6 J2 d- Direction *direction;
$ Y u/ c' U/ L - direction = workPart->Directions()->CreateDirection(sketch,SenseForward,SmartObject::UpdateOptionWithinModeling);
6 G4 i" A# F) j K - extrudeBuilder1->SetDirection(direction);
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: z* M0 ~! M1 a2 }+ Q/ P8 @/ X- // get the UI value
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- double startValue = this->expExtrudeStart->GetProperties()->GetDouble("Value");% ?/ r) ~9 k5 r: n2 @8 g' z
- double endValue = this->expExtrudeEnd->GetProperties()->GetDouble("Value");: V8 ~3 G( j3 `2 }
- stringstream s_startValue,s_endValue;: W4 b s# f" Y: ^
- s_startValue <<startValue;
3 n5 w6 Z a1 m9 g2 r. D& n; y - s_endValue <<endValue;
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b! n3 T+ }/ p4 s- J6 x0 O! _ - extrudeBuilder1->Limits()->StartExtend()->SetValue(s_startValue.str());
6 _% p+ _8 `) ^+ V1 T; c" Z1 e - extrudeBuilder1->Limits()->EndExtend()->SetValue(s_endValue.str());
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8 A) C) A" g$ N4 z! o$ Q- // commit feature6 P, p% t) E3 ?
- extrudeBuilder1->CommitFeature();6 v4 `6 T* E# x0 B; x# c
- extrudeBuilder1->Destroy();; D1 P5 J2 A2 p9 k
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- }</font>
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发表于 2014-2-27 21:05:40
发表于 2014-3-2 17:59:00
发表于 2014-4-25 09:22:58
