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6 i: S6 W* r+ \8 g) k" cNX二次开发源码分享：查找体中最大的面积4 p4 W" p0 `) _" x* e3 z
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询! r) ?* S0 R6 N! K9 G1 g. d# k+ G
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% l; F) q: D7 J" S0 M- #include <NXOpen/Session.hxx>
9 W8 E8 y6 e6 [- a! C - #include <NXOpen/Part.hxx>
9 F B1 c& {: \3 H, d ^ - #include <NXOpen/ParTCollection.hxx>
& d3 D2 G4 e6 X' m - #include <NXOpen/MeasureManager.hxx>
( t$ B) w4 L! M5 \$ I* u* M7 t# w( | - #include <NXOpen/MeasureFaces.hxx>5 I1 G. m; h6 f* \! V) Z- o
- #include <NXOpen/NXObject.hxx>
1 Q) \5 `# { J% k - #include <NXOpen/NXObjectManager.hxx>
S: R; s% @. | Q3 s9 @ - #include <NXOpen/Body.hxx>
: W! N5 ]8 {& M1 A0 | - #include <NXOpen/Face.hxx>
) [; `. C9 y- c6 D: H0 s8 N1 F - #include <NXOpen/Unit.hxx>
: P8 T1 c. n" t7 E* z+ i/ C. P - #include <NXOpen/UnitCollection.hxx>3 j) D. [* q) f% @
- using namespace NXOpen;
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- static tag_t ask_largest_face_interop(tag_t body_tag)
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- Session *theSession = Session::GetSession();
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3 k# Z6 r! t; u7 |- Part *workPart(theSession->Parts()->Work());
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! B$ I- C* ~2 X- P( ]3 d4 d j- Unit *area_units = workPart->UnitCollection()->GetBase("Area");
8 y4 E$ V" L, \5 c6 T - Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));: m; i# {/ a; E5 C
- std::vector<Face *> theFaces = theBody->GetFaces();8 X7 a7 T& q4 e& d) z' X
p, G, c; l2 n3 K$ g- double bigArea = 0;
6 e/ ?8 P' v0 k* @1 Y - Face *bigFace;
9 _" `1 _* j3 E4 V# ` - std::vector<IParameterizedSurface *> theFace(1);. c: ?, o$ I1 v6 x
- for (int ii = 0; ii < theFaces.size(); ii++)
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- theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);, K. m( D, t% d C1 H+ E/ \
4 l( [2 Y# ^, d8 D! T0 I8 d- MeasureFaces *theMeasure = workPart->MeasureManager()->" [* m" Q1 F$ c+ \1 d3 ~7 k( J
- NewFaceProperties(area_units, length_units, 0.999, theFace); u. z* @- }7 ^" ?# |
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- if (theMeasure->Area() > bigArea)
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- bigArea = theMeasure->Area();
0 T) w- K4 x! |) j5 x) q/ n- L; U( b% ]4 i - bigFace = theFaces[ii];
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- K$ t" n7 U% F. Q% G- return bigFace->Tag();
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