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2 V7 s/ ?7 j2 e! O$ WNX二次开发源码分享:查找体中最大的面积' t$ m( t8 z! v1 H, u
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>( |; {0 U% n+ F; t4 u2 Y
- #include <NXOpen/Part.hxx>- L: w$ y/ u% l: }: m D$ I2 C. y
- #include <NXOpen/ParTCollection.hxx>
l8 t' r! ]# y- S8 C0 D - #include <NXOpen/MeasureManager.hxx>
- T0 i' p: N" i8 y3 N0 t. z1 t+ J, ` - #include <NXOpen/MeasureFaces.hxx>
/ Q d3 q3 q2 M. y4 ~: ] - #include <NXOpen/NXObject.hxx>
' Q. y9 r. I$ y/ J3 N, t, D - #include <NXOpen/NXObjectManager.hxx>! x' o" I- O2 I
- #include <NXOpen/Body.hxx>
2 a: S& j& i! x0 U: ? - #include <NXOpen/Face.hxx>$ I; p( W( z8 B: Z: O5 {
- #include <NXOpen/Unit.hxx>! Y% N6 ]+ Q2 ~3 s; ^' [ x2 g) b
- #include <NXOpen/UnitCollection.hxx>1 T: _: {1 R+ T. I
- using namespace NXOpen;2 q) u0 C4 C- c% d
- v2 A, s3 g M1 s- static tag_t ask_largest_face_interop(tag_t body_tag)
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- Session *theSession = Session::GetSession();
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- Part *workPart(theSession->Parts()->Work());1 ~8 X4 r: ^ @" w: G9 A
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area"); K7 q/ A7 T* U5 R
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");. ~1 Q- C8 Q- A0 v5 i
2 W: ]3 q) t- g- m- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));
3 z. g; X \$ P7 P1 G: t2 b - std::vector<Face *> theFaces = theBody->GetFaces();8 g# q) X0 y: T# B# K) [; M' }
- x% I+ A1 ~5 x6 {! r- double bigArea = 0;4 {& d; [( Y/ Y. w$ T
- Face *bigFace;! t, q1 n: v' _/ [2 i) `$ [
- std::vector<IParameterizedSurface *> theFace(1);% `7 s* f$ x) ]% Q9 T5 X
- for (int ii = 0; ii < theFaces.size(); ii++)
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- theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);) ]. a! x# g$ o$ S
5 C$ C J% B1 ~" H! g- MeasureFaces *theMeasure = workPart->MeasureManager()->- F' n/ J4 X* k) e" [& D
- NewFaceProperties(area_units, length_units, 0.999, theFace);
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- if (theMeasure->Area() > bigArea)$ M* N8 p& O# z% }! M- r# w
- {
- M; s0 p: Y/ f0 N4 N( B - bigArea = theMeasure->Area();3 ]" P! a L/ l1 y( ? u+ o) R _
- bigFace = theFaces[ii];
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- }
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) W5 {8 {/ l# o! _5 L5 E% n- return bigFace->Tag();! _1 V; n5 f7 k+ c( R. x% D
- }
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