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NX二次开发源码分享:查找体中最大的面积/ G5 u% n. t1 b' i R
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询) R0 M! c1 c: [1 ]2 M
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9 b; J; d0 B, d7 Y5 {3 @4 T: A- #include <NXOpen/Session.hxx>9 C, f/ Q5 A' n' @+ s3 y2 U0 ]0 h$ _
- #include <NXOpen/Part.hxx>, u# k. G' j: u, T' |$ t2 `2 g
- #include <NXOpen/ParTCollection.hxx>
: q4 k: h6 y% \( ] - #include <NXOpen/MeasureManager.hxx>
6 {2 Z5 n" F3 c) E) g$ {. ^" n - #include <NXOpen/MeasureFaces.hxx>) A: p m. C! b2 S$ c( o/ ^
- #include <NXOpen/NXObject.hxx>
% ?9 Z0 a: S$ h2 O6 g6 v - #include <NXOpen/NXObjectManager.hxx>- D: X! { [/ D: n! [* U) W
- #include <NXOpen/Body.hxx>" `) G2 G3 w$ b+ Q
- #include <NXOpen/Face.hxx>4 M& p! y* y; v: N' N `. _
- #include <NXOpen/Unit.hxx>
! u: o$ q! y$ B9 ~% w/ W2 m/ [ - #include <NXOpen/UnitCollection.hxx>
' L- M1 Z4 g1 H* m - using namespace NXOpen;
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- static tag_t ask_largest_face_interop(tag_t body_tag), ~# J1 V6 \) _/ H
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- Session *theSession = Session::GetSession();
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) W7 }+ _% @3 ^- _" e- Part *workPart(theSession->Parts()->Work());$ n1 R9 a1 U! ?
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");9 ?. U% |; X' I% u" `
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");7 q) |% F' A5 j6 G% X
& b& M0 I! w5 ^, T- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));
" M: ^2 _. f3 ]/ h* t6 ~: r7 A/ I& R - std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;/ u& Z4 j$ I7 q; e) A
- Face *bigFace;7 f/ F' x3 J- U
- std::vector<IParameterizedSurface *> theFace(1);6 O. |0 D% r% P) W. k7 `2 V2 I
- for (int ii = 0; ii < theFaces.size(); ii++): |) [5 E- R- E4 _
- {
3 x, w& l, f- A8 ~$ } - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]); F) I# W" O1 R: d% \& V7 {6 m
) b- N; L7 Q5 P x% }1 U- MeasureFaces *theMeasure = workPart->MeasureManager()->, r$ E+ J; s3 n
- NewFaceProperties(area_units, length_units, 0.999, theFace);
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- if (theMeasure->Area() > bigArea)) j; O' A0 B, q8 |6 i! o% |( f
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- bigArea = theMeasure->Area();+ U. ?+ j/ `, S5 f* j9 h, |" U1 |, T0 ]
- bigFace = theFaces[ii];7 m- Q4 r2 k, s+ b
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- Q, q' ^9 g! G) |- return bigFace->Tag();" a/ K8 {# {3 ?6 d( n
- }
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