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NX二次开发源码分享：查找体中最大的面积
p" T6 f- ]8 W3 c通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询. [* {5 D9 Q5 u, S* m( r, v
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- #include <NXOpen/Session.hxx>: r% u S$ _2 o
- #include <NXOpen/Part.hxx>
/ n: _ P3 p$ r) J/ r - #include <NXOpen/ParTCollection.hxx>) w5 c. m$ u2 [
- #include <NXOpen/MeasureManager.hxx>
5 b" R9 N* i' M9 t - #include <NXOpen/MeasureFaces.hxx>
+ q6 m. [3 o) h: B6 }1 z# X1 } - #include <NXOpen/NXObject.hxx>. `, T' u$ @* {3 ^! h" o
- #include <NXOpen/NXObjectManager.hxx>
3 p9 C6 h7 \" c) y/ }$ m9 M" {+ } - #include <NXOpen/Body.hxx>
2 g2 H4 L" f( B4 q) C - #include <NXOpen/Face.hxx>/ a" [9 o( c( H4 n
- #include <NXOpen/Unit.hxx>
+ r4 R' j' C" t1 C; U! S - #include <NXOpen/UnitCollection.hxx>8 H( ?7 s" i/ D
- using namespace NXOpen;% `" ]7 D r* P2 C) q- J e
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- static tag_t ask_largest_face_interop(tag_t body_tag)" ]: c1 c( w- [3 c; g
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- Session *theSession = Session::GetSession();
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- Part *workPart(theSession->Parts()->Work());
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7 D6 ^. R% n/ y$ x0 b- f- Unit *area_units = workPart->UnitCollection()->GetBase("Area");
1 ^( J9 m' v( J# `; [0 ?0 p - Unit *length_units = workPart->UnitCollection()->GetBase("Length");* R* @! q# I; W8 ]" k
5 @0 u% T' V9 M8 e& J- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));8 C. O9 l a- a7 L( Q) ~5 Q }
- std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;. x) q/ X' p+ U6 P. f" {
- Face *bigFace;
4 ]1 C( X# l* r V8 w0 W$ i6 v" B - std::vector<IParameterizedSurface *> theFace(1);
& r& R2 ?( O' W3 J - for (int ii = 0; ii < theFaces.size(); ii++): @' A6 h3 t* n1 R+ I/ Y+ O
- {
! y- m7 Q2 `. I) g2 J - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);
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- MeasureFaces *theMeasure = workPart->MeasureManager()->5 q: T! f3 ]' @) T+ u0 }
- NewFaceProperties(area_units, length_units, 0.999, theFace);% m+ T) W7 m1 f4 b- d" W+ Z" r
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- if (theMeasure->Area() > bigArea)) @; Q; F8 j/ y
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- bigArea = theMeasure->Area();# Z1 Z* E" s# D) _! V
- bigFace = theFaces[ii];
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7 Z u/ Z, W* [, \( w3 w6 A, D- return bigFace->Tag(); g9 @4 Y! M4 ]( Z) p5 c, K, }
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