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) b5 d$ b2 m& n7 v( o; BNX二次开发源码分享：查找体中最大的面积
) a' W E) o$ F: a4 I4 x) s; \" G4 V$ ?通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询 k. B5 @( B9 E, T
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- #include <NXOpen/Session.hxx>
; c" g' h) Q9 u' {1 L - #include <NXOpen/Part.hxx>
" j4 ~" v/ ?9 e - #include <NXOpen/ParTCollection.hxx>6 N+ n$ m8 |% o" c: F- v5 Q
- #include <NXOpen/MeasureManager.hxx>2 L3 d4 P _, x( S9 h# q5 \
- #include <NXOpen/MeasureFaces.hxx>0 a4 w" w' Q6 I- R$ G) S
- #include <NXOpen/NXObject.hxx>- ^9 ?) e0 A4 }! \) b
- #include <NXOpen/NXObjectManager.hxx>
7 I2 q8 {. W! j( } - #include <NXOpen/Body.hxx>7 t* z& m" c8 D) ?
- #include <NXOpen/Face.hxx>: C! M7 B% w3 ^$ F* X
- #include <NXOpen/Unit.hxx>
1 k: x# ]! y+ f% }& k' [1 d - #include <NXOpen/UnitCollection.hxx>
3 E7 [0 }+ M. Z9 b b* [ - using namespace NXOpen;
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- static tag_t ask_largest_face_interop(tag_t body_tag)
" t$ r0 A& V8 ~! D0 q8 z - {
$ j* F$ m' k# n9 M8 C4 o' [ z - Session *theSession = Session::GetSession();
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- Part *workPart(theSession->Parts()->Work());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");
0 d8 W- t6 w u l1 }% m6 b) d - Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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0 x; o/ h9 H% s$ H, n- j. p$ l- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));9 g+ G. y! d: u/ S
- std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;/ p. ?0 `& u: Y4 X
- Face *bigFace;! M5 ^$ d X& V/ p% }6 H# ^
- std::vector<IParameterizedSurface *> theFace(1);3 e9 J/ p* L8 j! t$ k6 [
- for (int ii = 0; ii < theFaces.size(); ii++)1 g: r8 f% |) v/ _2 r
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- theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);
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- MeasureFaces *theMeasure = workPart->MeasureManager()->
* K: d! P' K* _4 ~1 D# ]" p, R - NewFaceProperties(area_units, length_units, 0.999, theFace);/ f) \- C4 C8 w
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- if (theMeasure->Area() > bigArea)) z6 W1 Y7 p8 H, {0 Y1 w
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- bigArea = theMeasure->Area();, A5 [, Y# \" d- N
- bigFace = theFaces[ii];. O3 S$ {# P+ s( n# j
- }
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2 I' ?4 u. p& l- return bigFace->Tag();# d/ f1 f% S# n* o4 l; K
- }
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