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NX二次开发源码分享：查找体中最大的面积6 d6 l( n B3 U7 F
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询6 M) b$ N9 T+ E n# ]1 V8 n" C
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- #include <NXOpen/Session.hxx>
- q( @% l4 o0 O - #include <NXOpen/Part.hxx>6 H8 X0 M$ I9 F3 c3 Q# {& T
- #include <NXOpen/ParTCollection.hxx>; n# S& h# [- M5 G
- #include <NXOpen/MeasureManager.hxx>
" [! J ^& |4 b( }1 f7 @+ k$ S - #include <NXOpen/MeasureFaces.hxx>; p1 f1 e1 C4 x3 b& K# h& z
- #include <NXOpen/NXObject.hxx># p$ Z4 ^- K4 |& Y
- #include <NXOpen/NXObjectManager.hxx>
% O$ j5 s$ f9 i$ O" p - #include <NXOpen/Body.hxx>
$ U. [3 ^6 O, f+ H0 d$ e9 k - #include <NXOpen/Face.hxx>
. b; |/ y( E% C# v; J* O9 R - #include <NXOpen/Unit.hxx>
- `9 P, k% p% t5 u5 A - #include <NXOpen/UnitCollection.hxx>
4 v* ]. U' H7 C" q" U; z7 y - using namespace NXOpen;
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- static tag_t ask_largest_face_interop(tag_t body_tag) i+ {0 ?9 N6 W5 M. h
- {
8 v& N+ G3 u2 j9 c- G4 K - Session *theSession = Session::GetSession();
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- Part *workPart(theSession->Parts()->Work());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");
m) M) z& z. } e# i - Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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0 @9 T0 N. i) @ x, r4 [1 ^$ `- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));
+ k/ K6 c$ d1 G; I: \& D. V0 S! ? - std::vector<Face *> theFaces = theBody->GetFaces();
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& r q. W- A: I% u! X9 p$ ]- double bigArea = 0;
# J* {1 o( Q9 p: h4 z( m! X$ K0 } - Face *bigFace;2 F' V( T: o/ ]/ w
- std::vector<IParameterizedSurface *> theFace(1);. P, x& f" \, m9 u
- for (int ii = 0; ii < theFaces.size(); ii++)
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: v, e+ A) z' h/ P - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);
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- MeasureFaces *theMeasure = workPart->MeasureManager()->& G, {. f" a" I8 X
- NewFaceProperties(area_units, length_units, 0.999, theFace);
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$ W& b8 ^! K+ U6 D) Z- if (theMeasure->Area() > bigArea)
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+ a$ a1 Z: [& G$ O) L# D( [5 c7 u - bigArea = theMeasure->Area();: r" w' }- O0 P! }4 K4 U' p
- bigFace = theFaces[ii];3 o; c( ^5 x! A" `( S1 ? y1 B
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- }
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) j4 f8 H, p8 Y+ z$ ?& ]" j3 F* C- return bigFace->Tag();
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