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NX二次开发源码分享：查找体中最大的面积
* i/ G3 b0 }. J7 I( ?/ w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>; g* _4 J; N1 t* b e
- #include <NXOpen/Part.hxx>
, N: E( J* O1 [8 M3 {! G# V - #include <NXOpen/ParTCollection.hxx>
. n2 B' T4 l# X! K7 E7 m: h; K0 s7 Z+ s - #include <NXOpen/MeasureManager.hxx>+ G1 ?" I" q4 P, D3 e _
- #include <NXOpen/MeasureFaces.hxx>% g9 f" v/ B" G E1 t/ u* u! ^
- #include <NXOpen/NXObject.hxx>$ V- D* [$ X7 w
- #include <NXOpen/NXObjectManager.hxx>8 A2 Z4 Y1 K( K1 b# e
- #include <NXOpen/Body.hxx>
. p6 O" t" M( M; ~& h# J- ]1 D8 Q - #include <NXOpen/Face.hxx>; \0 x6 J8 Q8 Z4 C' W
- #include <NXOpen/Unit.hxx>
, @3 `. x- |3 r( S - #include <NXOpen/UnitCollection.hxx>3 y2 p0 ]6 l" U+ M( H/ j2 J' V
- using namespace NXOpen;- d+ I8 L% Z5 R
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- static tag_t ask_largest_face_interop(tag_t body_tag) B1 |. ?- q# A" ~
- {
9 M" {# d% f U; |' i* z - Session *theSession = Session::GetSession();
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- Part *workPart(theSession->Parts()->Work());+ A, L1 k0 J/ G" G G- a8 W, e
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");% b0 g* h& i }: l5 D! q
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));( n* l0 }/ K" Y5 a
- std::vector<Face *> theFaces = theBody->GetFaces();! K# \% S# f9 v' P4 p; {
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- double bigArea = 0;
: [/ ^: Z8 p4 j% f - Face *bigFace;
* s3 T+ h7 M! K, g1 t - std::vector<IParameterizedSurface *> theFace(1);
- C# u1 E* r/ s* k6 ?* O# c - for (int ii = 0; ii < theFaces.size(); ii++)+ o4 A" z- J M! @3 `/ G) r
- {
% c+ j+ h/ s5 S9 x - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);' ?, p2 ]3 D5 b5 e2 ]
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- MeasureFaces *theMeasure = workPart->MeasureManager()->
% C+ i) o' N+ i [& H( y9 n, B - NewFaceProperties(area_units, length_units, 0.999, theFace);+ s* S( M" V' i6 h7 Z/ D
% x3 ~$ i2 o3 K- N# @' M3 i P- if (theMeasure->Area() > bigArea)
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- bigArea = theMeasure->Area();
. H8 K- T* g1 J+ N# J - bigFace = theFaces[ii];
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- }
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- return bigFace->Tag();7 g+ K2 ?% k, Z+ a* |9 M9 h
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