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( ]4 v4 N2 L5 W7 n/ _' i; w' XNX二次开发源码分享：查找体中最大的面积
6 z3 q' ?- U. P& W通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询2 O9 N! `; e2 Q
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6 [! w8 W$ k7 \( N0 i, v) D- #include <NXOpen/Session.hxx>
4 ^; }* K+ |2 A7 ~ s8 T+ G - #include <NXOpen/Part.hxx>3 S1 b, G# U6 W
- #include <NXOpen/ParTCollection.hxx>8 v/ R& P0 K2 h4 B# R6 d2 h
- #include <NXOpen/MeasureManager.hxx>8 k+ ]1 N Q. P; `1 r
- #include <NXOpen/MeasureFaces.hxx>
* Y0 p# \) j* f5 z: y& M2 q c6 l - #include <NXOpen/NXObject.hxx>
+ e/ F% B" e7 w* L2 S) u, Y - #include <NXOpen/NXObjectManager.hxx> Y' ~ S* ?. r
- #include <NXOpen/Body.hxx>4 o- r W6 {' x4 P
- #include <NXOpen/Face.hxx>
7 r( F0 g0 t% n u6 K+ n - #include <NXOpen/Unit.hxx>
# E1 J9 H- `, K/ K& k - #include <NXOpen/UnitCollection.hxx>
0 ?7 `0 m# q% j! Y - using namespace NXOpen;
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- static tag_t ask_largest_face_interop(tag_t body_tag). m, L i: A2 H
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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");
# g$ U9 o* L) D i% s - Unit *length_units = workPart->UnitCollection()->GetBase("Length");+ D q& M1 W' ]+ C# s% F9 |
4 l- S( ~- b+ Y8 ~- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));
2 h) |/ \% f: [( o) ^( q - std::vector<Face *> theFaces = theBody->GetFaces();
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' V' H9 ^, G. R- double bigArea = 0;( b* B% t# E9 g9 |: Q- s
- Face *bigFace;
9 z4 T# a. n- M) m0 }$ @4 n - std::vector<IParameterizedSurface *> theFace(1);$ v# X+ @" E8 }6 T
- 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()->
" |0 P+ T& a2 a" { - NewFaceProperties(area_units, length_units, 0.999, theFace);0 N8 J0 h) g) N1 w4 m. ^1 s
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- if (theMeasure->Area() > bigArea)* q: `2 H0 F" ^# G( D! j9 ?: F: M k
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- bigArea = theMeasure->Area();
6 \' g2 I, i3 `8 G+ Z3 j, f" @ - bigFace = theFaces[ii];
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- return bigFace->Tag();
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