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NX二次开发源码分享：查找体中最大的面积" o o& p4 a) P2 F1 i
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>6 z* c* A8 f& W; C+ V
- #include <NXOpen/Part.hxx>
3 P! ~$ [) ~ _, {9 { - #include <NXOpen/ParTCollection.hxx>
9 ^7 l5 a2 v/ `8 Y - #include <NXOpen/MeasureManager.hxx>
/ E7 B2 ?, w% j' h - #include <NXOpen/MeasureFaces.hxx>, a3 K% p* [4 g* V; v9 `- O8 F
- #include <NXOpen/NXObject.hxx>8 N8 \2 \8 i! f; c2 O& C6 j
- #include <NXOpen/NXObjectManager.hxx>
+ x0 J0 s: J6 }& U4 I - #include <NXOpen/Body.hxx>* C* H0 x+ x' Q9 g6 v
- #include <NXOpen/Face.hxx>6 F1 R$ |3 L1 K/ ^- N- m
- #include <NXOpen/Unit.hxx>
2 m- h; i9 p8 M8 i - #include <NXOpen/UnitCollection.hxx>
2 j# |. |1 i( A) V - using namespace NXOpen;
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( z; v$ B, o& f }- static tag_t ask_largest_face_interop(tag_t body_tag): S! f, O `2 F
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- Session *theSession = Session::GetSession();
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- Part *workPart(theSession->Parts()->Work());: L' ?) a3 c+ L y0 d% l. X
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");
2 B/ o4 p/ U) p4 e4 ^. n+ Q - Unit *length_units = workPart->UnitCollection()->GetBase("Length");: k) c- P, T6 G( P
, y- p- d& L8 Z* Y- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));
1 t3 |: S7 q: ]" j' a - std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;
- D5 k. [$ ]0 s. i: M2 v2 n& l - Face *bigFace;
) F0 [, Q U P - std::vector<IParameterizedSurface *> theFace(1);
5 t; i Q0 S" j4 ~3 A" }' b - for (int ii = 0; ii < theFaces.size(); ii++)
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- theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);. f; j5 M9 ~7 B
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- MeasureFaces *theMeasure = workPart->MeasureManager()-># O t% ]' A! i
- NewFaceProperties(area_units, length_units, 0.999, theFace);! U! x4 Y! b6 s- z" i* u; l
* ^; P) Y% ]) l; {# S, h. t+ X/ l- if (theMeasure->Area() > bigArea)9 ?4 ]. L8 ~& q1 n/ `- {
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- bigArea = theMeasure->Area();
: ^5 k1 t( ?+ @& q3 U5 ] - bigFace = theFaces[ii];$ c3 K( ]. x: v! g# _9 {9 T. d
- }
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2 i1 D' V% q# P2 c+ B- return bigFace->Tag();9 k( o7 R: }- a! v# n3 j
- }
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发表于 2014-11-4 20:54:40
发表于 2019-4-25 18:43:12
