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NX二次开发源码分享：查找体中最大的面积' \/ W% f- [4 S% e+ Q
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询( S& j6 ~1 c7 L* S/ X
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- #include <NXOpen/Session.hxx>
6 A8 `: b5 [, J* u* J4 A - #include <NXOpen/Part.hxx>
) D! h$ z9 W* ^ w+ O+ F6 X5 A - #include <NXOpen/ParTCollection.hxx>! R [8 a" a- d7 X8 C0 b% x
- #include <NXOpen/MeasureManager.hxx>! U3 m" n! e( z' \$ o6 p
- #include <NXOpen/MeasureFaces.hxx>, Y7 G \4 U. q1 V6 ^5 r
- #include <NXOpen/NXObject.hxx>( W& _6 k; W+ E1 R8 ]
- #include <NXOpen/NXObjectManager.hxx>
0 `" B% N9 [3 ^0 g8 i) @: D z - #include <NXOpen/Body.hxx>
, V; E& f' e, Y$ A4 N M9 g/ i - #include <NXOpen/Face.hxx>) W, v& R9 |' o9 C# g ?$ t9 |
- #include <NXOpen/Unit.hxx># \3 T, g ^- Y' [( ]3 S% s
- #include <NXOpen/UnitCollection.hxx>% F, Z+ k" l2 L' ~
- using namespace NXOpen;
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% C0 C7 [3 F+ ?9 O, ^$ Q- static tag_t ask_largest_face_interop(tag_t body_tag)
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+ @# l7 g S) M; l - Session *theSession = Session::GetSession();/ N# c& @4 E, H! G# I
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- Part *workPart(theSession->Parts()->Work());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");/ a) Z7 J8 C: }: c3 Q
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));( T: O6 h$ H* z h
- std::vector<Face *> theFaces = theBody->GetFaces();
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) U: i7 r0 h% M8 T7 Z/ P! J- double bigArea = 0;
: r. l, }: u5 C9 n" p - Face *bigFace;
. L( n9 }& D! T) X1 Z! {+ H- {% h - std::vector<IParameterizedSurface *> theFace(1);
* Z0 t: Z# h* ]6 R6 _ - for (int ii = 0; ii < theFaces.size(); ii++)/ K; O \- l8 R; A9 ^ o& U
- {
" s, N/ } e. R* s0 Q) \- T - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);1 Q/ n7 {' }" Z* ^8 F
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- MeasureFaces *theMeasure = workPart->MeasureManager()->& b1 @7 ?9 T- J) y( u c
- NewFaceProperties(area_units, length_units, 0.999, theFace);
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* h" C0 F1 E& G: c0 \4 ]! R. Z- if (theMeasure->Area() > bigArea)
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5 B( M4 s0 }2 X% B6 H7 h - bigArea = theMeasure->Area();& V6 s9 _4 T$ r8 _3 N
- bigFace = theFaces[ii];& B8 Y) ?6 M! U4 ?4 Z# \; N
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- }
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- return bigFace->Tag();
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