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NX二次开发源码分享：查找体中最大的面积" e- u+ v) n w: p. x& h
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询2 U& e& F! n: q' B. B4 m8 W
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0 W. V8 `, p5 ~' ]1 z2 J( S- #include <NXOpen/Session.hxx>0 E# \% l: d5 m# \% z+ i6 O
- #include <NXOpen/Part.hxx>
; h. E( r; \, Y. k9 S - #include <NXOpen/ParTCollection.hxx>
7 ?6 }9 n1 _% r X9 f, ~ - #include <NXOpen/MeasureManager.hxx>
; \. }( A1 z/ n4 i* ]0 N - #include <NXOpen/MeasureFaces.hxx>! v% \9 c* D1 L
- #include <NXOpen/NXObject.hxx>
" }, v& l) M* }8 j - #include <NXOpen/NXObjectManager.hxx>3 v* ? ^9 i0 _( B$ Y) b+ U
- #include <NXOpen/Body.hxx>
6 X L" _9 S9 S& X# I- w4 p7 i - #include <NXOpen/Face.hxx>
; Q+ t7 p" I& \) W7 k; X2 K - #include <NXOpen/Unit.hxx>+ G+ E! ~# h ^8 q! q
- #include <NXOpen/UnitCollection.hxx>3 d, j' J) c; {7 H- s* v
- using namespace NXOpen;
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4 J+ P0 G& Y+ P* y5 v$ h+ m- static tag_t ask_largest_face_interop(tag_t body_tag): D$ A9 c6 ~" B0 _
- {
c$ z- Z& P) l7 {) c& F - Session *theSession = Session::GetSession();
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3 U6 _$ z9 i1 G0 n) L- J- Part *workPart(theSession->Parts()->Work());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");! \, ~, y$ s( F( n: n4 K
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");, m2 j" D+ s* T* N# a
2 b! U0 U" H& W3 p8 s" P- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));# ^& I8 S* z2 O' y! h7 H9 J1 O
- std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;
j$ B! s: U* u( _# B% y7 W - Face *bigFace;
% A' O6 x3 T( T3 u e( E) J0 n - std::vector<IParameterizedSurface *> theFace(1);* Z8 y5 K0 T" {" `! ?9 n) U/ s
- for (int ii = 0; ii < theFaces.size(); ii++)
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- theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);
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- MeasureFaces *theMeasure = workPart->MeasureManager()->
1 S2 ` R: H6 P; ^* I* ^! H - NewFaceProperties(area_units, length_units, 0.999, theFace);# k$ J* d* }% K, l
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- if (theMeasure->Area() > bigArea)1 |5 \3 I; S. G) b, _1 L- C# c8 D/ p
- {
3 G5 Y9 J: Z; U3 x: ]1 H6 A& I - bigArea = theMeasure->Area();
& ~# O5 b. y# h) _' k - bigFace = theFaces[ii];
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- }
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- return bigFace->Tag();7 @9 q" Y! B, p9 T
- }
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