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NX二次开发源码分享：查找体中最大的面积
: C! e" }* `/ f! F2 T4 a+ ?通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询# s* g- `5 ?! g6 D* ?1 C
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- #include <NXOpen/Session.hxx>
& o' x& _: _( q( X6 y - #include <NXOpen/Part.hxx>
# ~% } P, o3 w4 E, ? g c - #include <NXOpen/ParTCollection.hxx>
7 ~+ d) i h) U8 B( e, R4 Y# X - #include <NXOpen/MeasureManager.hxx> n/ J! A/ I }& _% Z: |: f9 V
- #include <NXOpen/MeasureFaces.hxx>2 H; w7 E% p5 i( y6 U
- #include <NXOpen/NXObject.hxx>
Y) O) R7 ~. f4 g0 s$ J5 Q% X& e - #include <NXOpen/NXObjectManager.hxx>' E2 q; n) z6 ~& z
- #include <NXOpen/Body.hxx>, _2 m) `, k5 v# f' D+ \8 y3 W
- #include <NXOpen/Face.hxx>+ } a2 x6 P3 H$ ^0 a4 f( k- z
- #include <NXOpen/Unit.hxx># P, O3 [! N: V' X- K
- #include <NXOpen/UnitCollection.hxx>, O. l, }/ H! S$ N) m5 K8 _
- using namespace NXOpen;. S) _) x$ h4 T' O5 n+ ^6 L+ O$ [1 J
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- static tag_t ask_largest_face_interop(tag_t body_tag)- j3 w% B5 [9 Y/ \2 j6 ~
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- Session *theSession = Session::GetSession();
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" d- [+ Z4 S+ }* Y- Part *workPart(theSession->Parts()->Work());. L3 V$ G1 M6 f; G K
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");4 q: Q X! x1 I: W
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));. n. P2 C' U8 @/ x8 P
- std::vector<Face *> theFaces = theBody->GetFaces();8 E, [0 p( ?) d$ f0 K2 {
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- double bigArea = 0;
% n9 f% I* v6 ^# J; M4 l - Face *bigFace;2 S, b+ o; \5 p$ D/ x' J& l
- std::vector<IParameterizedSurface *> theFace(1);
. c, U& _* P" Q - for (int ii = 0; ii < theFaces.size(); ii++)
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- theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);4 e% |2 d( N, g2 A9 r; J6 d
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- MeasureFaces *theMeasure = workPart->MeasureManager()->
: J6 L; ^( P x0 W - NewFaceProperties(area_units, length_units, 0.999, theFace);: U; g1 a& P& ]8 k/ r
# S! t# ?; l" B! \+ f4 d- if (theMeasure->Area() > bigArea)1 y, j& l1 p5 n# f) w
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- bigArea = theMeasure->Area();- |# A3 |: d# g, i: s* }' j
- bigFace = theFaces[ii];
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- return bigFace->Tag();9 d. p. w9 f/ y1 k
- }
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