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r( {" F7 l" K, S7 F) iNX二次开发源码分享：查找体中最大的面积. a( j) b8 _& \6 w F
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询# _( z2 ^( i) E) F
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, t% ^$ v2 d: x u2 I/ U- #include <NXOpen/Session.hxx>
- d# q7 o* q- J/ L - #include <NXOpen/Part.hxx>& L8 c" G- _' Q
- #include <NXOpen/ParTCollection.hxx>, X3 k9 F( D0 r- G
- #include <NXOpen/MeasureManager.hxx>
4 B: {: s' k: k" s - #include <NXOpen/MeasureFaces.hxx>% c# p* S3 R, N i
- #include <NXOpen/NXObject.hxx>
5 @9 |/ N" K6 K* G - #include <NXOpen/NXObjectManager.hxx>
9 Q; T5 s" D% d# W - #include <NXOpen/Body.hxx>! X- o! ^. Z8 S$ h: [8 f; O
- #include <NXOpen/Face.hxx>
$ o3 B( y, T4 w8 } - #include <NXOpen/Unit.hxx>
; Q( G0 q7 N$ V4 ~$ L - #include <NXOpen/UnitCollection.hxx>
- W" R' z5 S* X7 s - using namespace NXOpen;
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4 o! A! d; ?- w- ~- static tag_t ask_largest_face_interop(tag_t body_tag)
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- Session *theSession = Session::GetSession();/ a5 N9 W$ G+ E$ {7 X9 I: R
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- Part *workPart(theSession->Parts()->Work());
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1 o5 J$ b- ]/ S4 g, w8 b- Unit *area_units = workPart->UnitCollection()->GetBase("Area");- e8 y# z9 D6 S: ?
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));
& i2 l+ ?$ Z* d - std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;
; z S. e: k# s; B% L9 I) U4 g5 J# O; @7 j - Face *bigFace;
* M/ u2 l0 F- K4 S1 k6 T - std::vector<IParameterizedSurface *> theFace(1);0 _4 I* t. {" n7 |
- for (int ii = 0; ii < theFaces.size(); ii++) o6 R" v* _. K' c
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- theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);1 F1 k/ ?3 o+ }- D& \. W. f/ U
& L6 B( B K9 ^4 V: V5 p8 M- MeasureFaces *theMeasure = workPart->MeasureManager()->1 n! q/ O% |- o5 `
- NewFaceProperties(area_units, length_units, 0.999, theFace);( h i9 Z7 X6 e3 t
% `7 }5 V4 `$ A/ R- if (theMeasure->Area() > bigArea), m; m2 _* h$ ^1 J; F
- {
4 I. ]9 g& p- [ - bigArea = theMeasure->Area();
1 S$ p3 c% A) m, ]" r' D! p - bigFace = theFaces[ii];
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; V9 I! Q- S$ W" U8 J- return bigFace->Tag();
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