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NX二次开发源码分享：查找体中最大的面积
% ?* ^: t8 U0 \! b通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询
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2 d* X" V' \6 |4 ]5 W1 R! x! M- #include <NXOpen/Session.hxx>9 `- ]' A1 Z* P# f1 y
- #include <NXOpen/Part.hxx>* t; y% n- o; n7 R! M9 ^ r. v5 C3 g
- #include <NXOpen/ParTCollection.hxx>
& B1 m# b) H6 H3 U - #include <NXOpen/MeasureManager.hxx>
: L1 e6 w& h: I" c1 x3 Y - #include <NXOpen/MeasureFaces.hxx>
/ R% g4 E1 A. u# h - #include <NXOpen/NXObject.hxx>
( E4 K' l N3 d - #include <NXOpen/NXObjectManager.hxx>
& R- G* b# D \! ]9 `! v* Z* q - #include <NXOpen/Body.hxx>( E( Z, _+ f" q* `
- #include <NXOpen/Face.hxx>
7 k, ^; H; M8 u/ N& b: ? - #include <NXOpen/Unit.hxx>7 K) O/ O1 G1 h. i
- #include <NXOpen/UnitCollection.hxx>3 Q" H1 x/ Y/ f" O! `* a
- using namespace NXOpen;
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- 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());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");" t t% y5 m1 p
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));
. h4 C- {2 \3 j3 J6 z6 m - std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;9 b0 u% A# z: g4 I
- Face *bigFace;( y/ ?7 j! `- O3 R: |' O& ^
- std::vector<IParameterizedSurface *> theFace(1);
7 I/ N* n9 |+ V - for (int ii = 0; ii < theFaces.size(); ii++)
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- theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);, r! C" K/ F7 N9 f1 ~% k
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- MeasureFaces *theMeasure = workPart->MeasureManager()-> j3 N* q6 y# t7 K5 ]; L
- NewFaceProperties(area_units, length_units, 0.999, theFace);" n& ^7 J! j; p1 r, I
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- if (theMeasure->Area() > bigArea)+ p. q+ x1 H; R+ N; [2 _* t" y
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- bigArea = theMeasure->Area();' G% _2 s" [- X# p. N5 ?3 R
- bigFace = theFaces[ii];4 y/ k% b% D( Y. p, m9 q1 a
- }
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- return bigFace->Tag();
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