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NX二次开发源码分享：查找体中最大的面积6 y% [9 V; f# F% A! E
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询
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- #include <NXOpen/Session.hxx>
3 h b7 c$ ~: v& r( U - #include <NXOpen/Part.hxx>
: X, s s" z5 L& X - #include <NXOpen/ParTCollection.hxx>
3 j! o! M; j; ` D: ? - #include <NXOpen/MeasureManager.hxx>
1 T2 Z6 |- [6 P - #include <NXOpen/MeasureFaces.hxx>
8 I( Y' D0 O3 f4 ]% O( x - #include <NXOpen/NXObject.hxx>
) G, S8 P J/ B) ~, o# f - #include <NXOpen/NXObjectManager.hxx>1 U+ }7 \! _, v" E9 e
- #include <NXOpen/Body.hxx>
# T% s; E1 U5 X1 c: v - #include <NXOpen/Face.hxx>. r3 Y- @8 M3 ?* |0 j( Q b% D3 D
- #include <NXOpen/Unit.hxx>) v/ B" n- W% s1 f* C; T0 p
- #include <NXOpen/UnitCollection.hxx>1 k q6 _; }# L5 |( r( ]9 }
- using namespace NXOpen;6 w/ p) @" L$ k6 [
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- static tag_t ask_largest_face_interop(tag_t body_tag)% s; R+ {' y; k( s6 |$ c# p
- {
7 f8 r" d1 z5 o# K9 U5 \9 q - Session *theSession = Session::GetSession();/ e- x) I" S: J2 @" O
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- Part *workPart(theSession->Parts()->Work());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");
Y% x( k3 f" V3 [ X - Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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: W$ C3 y6 N7 b+ E; O+ L- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));6 W3 E* E0 N3 |3 n2 t0 \; r$ n( b0 Z
- std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;/ o/ J" J8 H! s' _2 D
- Face *bigFace;- E6 K' Q4 H& [# H) b- Q3 W
- std::vector<IParameterizedSurface *> theFace(1);" @) @; Z7 i8 A- i! ~6 U# e
- for (int ii = 0; ii < theFaces.size(); ii++)
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- theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);
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- NewFaceProperties(area_units, length_units, 0.999, theFace); j) l, ^& E9 d# L
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- if (theMeasure->Area() > bigArea) o. G* [, E7 i* s
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- bigArea = theMeasure->Area();
; H' j0 b1 q8 j, L, z - bigFace = theFaces[ii];0 v/ o9 @' s8 |) f" \$ e
- }
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4 F) R8 ?( \ G' d- return bigFace->Tag();
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