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- n) [7 K; V2 bNX二次开发源码分享：查找体中最大的面积* U* G/ W0 y' I4 T* Y7 {6 o, o" ~
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询0 Q% u* z. q$ D9 H5 C
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" E3 s N/ a( ^- #include <NXOpen/Session.hxx>) v7 G: s% C" ~1 n* d0 e( L9 L4 ]
- #include <NXOpen/Part.hxx>
b" W8 y5 I" R/ L6 B) C - #include <NXOpen/ParTCollection.hxx>5 d6 @4 G. I& g7 r
- #include <NXOpen/MeasureManager.hxx>! a' [, N1 H, U
- #include <NXOpen/MeasureFaces.hxx>
\; Z. G+ \6 N) M! a - #include <NXOpen/NXObject.hxx>
" k ~/ n$ Q' y/ Y3 b( U; l - #include <NXOpen/NXObjectManager.hxx>* o% a& f: r8 B. p, ~3 w8 J& }- b% _
- #include <NXOpen/Body.hxx>- D$ X3 n- B2 Z& k3 L
- #include <NXOpen/Face.hxx>
5 k. E, p' ^/ A; Z' C2 r5 X - #include <NXOpen/Unit.hxx>2 v) Q/ Q2 D8 K# E4 u! v9 B
- #include <NXOpen/UnitCollection.hxx>' R3 T. j3 |3 D2 c: ^* U) K% x% i
- using namespace NXOpen;
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6 R9 n* H$ k5 K+ a- k& ^- static tag_t ask_largest_face_interop(tag_t body_tag)
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- Session *theSession = Session::GetSession();
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- Part *workPart(theSession->Parts()->Work());0 v" D, p2 ^& A
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");& i+ T3 g& E5 x; E1 F2 @5 ]* M8 N* r
- Unit *length_units = workPart->UnitCollection()->GetBase("Length"); y. Z3 v% Z p! v
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));/ X* ~$ r# M2 u& ?) b- d
- std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;
* X6 E8 z9 u7 c H' j% i: h: i' w - Face *bigFace;
: i( w& `- `1 h! o& ?0 H) X - std::vector<IParameterizedSurface *> theFace(1);
; F+ f8 e7 B" K - for (int ii = 0; ii < theFaces.size(); ii++)% e, ^% D/ k/ i& Z, u4 g
- {
$ q0 I: a, `6 N# w - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);7 o3 m7 s2 C; ]% W" A
- H' `6 s' p: K4 }9 o- MeasureFaces *theMeasure = workPart->MeasureManager()->
. e- ^% _/ D4 K( u3 A, U - NewFaceProperties(area_units, length_units, 0.999, theFace);) y* i6 q$ i3 k. d
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- if (theMeasure->Area() > bigArea)
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- bigArea = theMeasure->Area();
9 |/ _% @9 ~; I5 ~ - bigFace = theFaces[ii];+ E3 t* g, L! L
- }
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2 Y6 j3 Q8 n9 b2 m- V" f$ g+ C! j- return bigFace->Tag();: I- u# a4 [, P% V' ]
- }
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