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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：$ s- N3 ?* M$ A
通过草图创建拉伸操作: N v1 x. V: k! W8 ?. s# u
目的：" }8 |- U$ d4 S9 y( i: i% `
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。& ]1 b% ]% z4 M) H7 f( f/ F
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9 F0 [1 ^8 C0 c( e, M3 W关键代码分享：0 G0 q' ?% Y' X# k& X
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- <font size="5">( t- g4 j6 c; O
- </font>& J! \6 a5 w4 f E7 O* _
- <font size="5">void lesson32_createExtrude::createExtrude(SkeTCh *sketch)
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- Features::Feature *nullFeatures_Feature(NULL);
+ [6 o3 x, c8 U: T" }1 R! r - Features::ExtrudeBuilder *extrudeBuilder1;
; @4 b" Q( Y8 O' O m" l - extrudeBuilder1 = workPart->Features()->CreateExtrudeBuilder(nullFeatures_Feature);
1 o: z2 p0 V" \# a - // set parameters5 ^+ |$ w* c& P: ~4 E1 [
" w) M8 N% {1 u6 Q: a* g- // create section Start' ^0 v" p! b+ e" V3 v
- Section * section;
( l: a! _: @" m! H3 ?( p Y - section = workPart->Sections()->CreateSection();
5 _, j$ Y. s4 s - extrudeBuilder1->SetSection(section);; X* f9 j2 |% P3 O
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- CurveFeatureRule *curveFeatureRule1;6 u, i# I8 d" P5 P# j$ c3 w" ? Q1 V
- std::vector<Features::Feature *> Rulefeatures(1);# ~9 [; o! b0 b0 s- w& h* }. Q; x
- Rulefeatures[0] = sketch->Feature();& A9 D3 E6 b$ }: c( o
- curveFeatureRule1 = workPart->ScRuleFactory()->CreateRuleCurveFeature(Rulefeatures);
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" L+ L* c. O2 u) `- std::vector<SelectionIntentRule *> rules(1);
9 H% \6 \4 ~+ ^/ L0 j' _ - rules[0] = curveFeatureRule1;
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- NXObject *nullNXObject(NULL);
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- Point3d helpPoint1(0, 0, 0);
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- section->AddToSection(rules, nullNXObject, nullNXObject, nullNXObject, helpPoint1, Section::ModeCreate, false);
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' U* ~( w) B4 [1 ], s - // create section End; D# ]# l) H/ E! b; @; i1 V
1 w7 P% V6 f" N- Direction *direction;
$ p* m; _: B# s$ U - direction = workPart->Directions()->CreateDirection(sketch,SenseForward,SmartObject::UpdateOptionWithinModeling);1 _% q3 d" h0 e& y y) }" Z
- extrudeBuilder1->SetDirection(direction);2 v! w; P5 N* Q9 m/ H9 a
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# r; O" t; p9 H& `" \$ A) G- // get the UI value7 b- a* a8 j% k7 V1 A* N
2 |1 z: Q5 {& Q) `6 C- double startValue = this->expExtrudeStart->GetProperties()->GetDouble("Value");% D. I# E1 f0 O" Z! w* s# ^
- double endValue = this->expExtrudeEnd->GetProperties()->GetDouble("Value");
2 O) P" d$ J# r - stringstream s_startValue,s_endValue;( _( \+ |$ v a7 D* A/ I' x7 l
- s_startValue <<startValue; B2 Z8 D3 z) v/ X! Z; e8 F
- s_endValue <<endValue;) i0 T# c8 I; o9 l2 i6 b" K+ D' H
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v) F; x7 m V% _+ s - extrudeBuilder1->Limits()->StartExtend()->SetValue(s_startValue.str());
. G; i1 x; \; G+ L" j' u* ?; Z - extrudeBuilder1->Limits()->EndExtend()->SetValue(s_endValue.str());& U& n" q6 [ g: p# F
+ v5 U0 {6 ~5 O! e( l# R- r0 E- // commit feature. z9 ~( }) V5 O# E) i' l7 E6 }
- extrudeBuilder1->CommitFeature();$ y% J1 w6 q6 L4 r/ O: T. E$ H
- extrudeBuilder1->Destroy();
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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
