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NX二次开发源码分享：查找体中最大的面积( K: Q2 R" {, a, W* x' }
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询- U0 I9 \9 K. o; D
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- #include <NXOpen/Session.hxx>
5 v2 y7 V* b8 O4 I+ L; X& Z - #include <NXOpen/Part.hxx>. X8 Y% V4 N4 x8 ]
- #include <NXOpen/ParTCollection.hxx>, V0 B; ?7 j* e* x Z) C' B$ a
- #include <NXOpen/MeasureManager.hxx>9 f1 D H) f. `( M! R( a! P- d- C5 m
- #include <NXOpen/MeasureFaces.hxx>
( U3 T5 G1 X" [5 ~5 B( F& f - #include <NXOpen/NXObject.hxx>
) q$ U5 g: E+ o. F( N- F - #include <NXOpen/NXObjectManager.hxx>
, F4 M; l1 t2 I& p - #include <NXOpen/Body.hxx>) W. \" B8 H3 z/ P+ h W
- #include <NXOpen/Face.hxx>
# @. H4 W4 A) p# E' z' N - #include <NXOpen/Unit.hxx>- S5 L f1 ~" \ X- {2 @" T( _
- #include <NXOpen/UnitCollection.hxx>
8 b: X, f; t* i! v1 R% R4 R - using namespace NXOpen;9 H" ^8 H* C' u) T
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- static tag_t ask_largest_face_interop(tag_t body_tag)( G. i) f z. i5 ~/ p% @, M/ J
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- Session *theSession = Session::GetSession();0 q4 u4 }7 {% y8 A
. @" [! ?) J5 _1 O4 k2 V+ D- Part *workPart(theSession->Parts()->Work());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");
* A$ G l& H2 W) ~ - Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));
! S0 s3 L/ j" N8 i" O# N) G3 Y - std::vector<Face *> theFaces = theBody->GetFaces();( G9 n7 r* v/ O
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- double bigArea = 0;
) \1 m! G1 K( b1 g - Face *bigFace;7 k+ _' p9 |# X9 ^( `- j, f
- std::vector<IParameterizedSurface *> theFace(1);" t ?) I$ x0 R
- for (int ii = 0; ii < theFaces.size(); ii++)
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$ a2 X! T' F) D# L8 i; H* k# `$ T- O - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);
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* P: b: h8 k" Y+ c9 f7 F- MeasureFaces *theMeasure = workPart->MeasureManager()->" G2 a5 p8 Q& j
- NewFaceProperties(area_units, length_units, 0.999, theFace);/ U; y+ j* U G1 m# X7 e
+ t+ L) k5 U8 v1 I2 J- if (theMeasure->Area() > bigArea); G( g& ^( ~. e1 _" ^1 V
- {
& R" Q/ P5 P3 I - bigArea = theMeasure->Area();
# c; r E8 B6 }; ^ - bigFace = theFaces[ii];+ }5 ]8 u! j! ~8 n! v. Q3 I
- }
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# R+ m J- ^. A2 x5 h- return bigFace->Tag();
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