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NX二次开发源码分享：查找体中最大的面积5 p$ ^- O! T! H$ i& l# _
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询9 o4 b7 q4 g# e# b0 K f
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- #include <NXOpen/Session.hxx>
( v& a" m& g) g4 r: p. x( J; i4 |$ J$ h - #include <NXOpen/Part.hxx>
- w6 C1 `- A6 L( H - #include <NXOpen/ParTCollection.hxx>- }9 s9 h) }; |8 K Q9 ?" p
- #include <NXOpen/MeasureManager.hxx>
4 b% z8 S9 m5 r8 m- [4 S! W1 b - #include <NXOpen/MeasureFaces.hxx>
" T. W) f3 r, G; @$ R - #include <NXOpen/NXObject.hxx>
F( e# [% H% l1 b" U3 z - #include <NXOpen/NXObjectManager.hxx>
- p$ R5 ?0 n4 D; b5 X9 H - #include <NXOpen/Body.hxx>
% z4 T7 I" j. J0 q$ B# o* s - #include <NXOpen/Face.hxx>
1 b# h9 s( G/ q! T$ ?6 i K! I - #include <NXOpen/Unit.hxx>
% Z" K- u o7 A- F% j* l/ @ - #include <NXOpen/UnitCollection.hxx>
2 E7 u: X$ {8 U; ~ - using namespace NXOpen;
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- static tag_t ask_largest_face_interop(tag_t body_tag)
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/ ], V) {5 Z/ j5 w8 H - Session *theSession = Session::GetSession();
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- Part *workPart(theSession->Parts()->Work());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");% _9 N5 I$ {* Z! x* x% ~
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));" [& G" D r( ?2 ?7 _/ \
- std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;2 S8 }( n: Z4 M* g# [
- Face *bigFace;7 P% l) `5 I. d* E) _. p5 ^
- std::vector<IParameterizedSurface *> theFace(1);5 }5 |/ ~! t9 c& ^* P- D
- for (int ii = 0; ii < theFaces.size(); ii++)( c6 r! h' U) y% s/ v7 v2 r, F$ @7 X0 i
- {
2 `9 S) t& G6 ^) ^0 [) i - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);1 b: g: s5 Z: j, ~4 w6 o
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- MeasureFaces *theMeasure = workPart->MeasureManager()->
: I8 {4 X. `" r# H - NewFaceProperties(area_units, length_units, 0.999, theFace);, Y! J( i3 x' M8 K
6 K, a! l: e$ ~3 J- if (theMeasure->Area() > bigArea)
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! p6 ^3 T" O$ F& r" C - bigArea = theMeasure->Area();/ }/ P/ [; G6 G! l. E- e. U
- bigFace = theFaces[ii];6 r2 S4 A8 c% [& e2 g; j
- }
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- return bigFace->Tag();
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