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NX二次开发源码分享：查找体中最大的面积
8 d$ x. ^( s& L9 x- r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>) @4 E5 x6 w" s1 C7 W% T2 n
- #include <NXOpen/Part.hxx>
2 ^- `, N" _" }# v' P& g - #include <NXOpen/ParTCollection.hxx>
b; }) b' L/ y* e& h. q0 Z. S0 I - #include <NXOpen/MeasureManager.hxx>
7 S4 ?4 k1 g9 }& `( ?: x% } - #include <NXOpen/MeasureFaces.hxx>
4 B7 Y6 m" j3 k# n! d+ B9 w0 W# o5 F. ? k - #include <NXOpen/NXObject.hxx>
5 P( r- t, j/ K - #include <NXOpen/NXObjectManager.hxx>$ z6 v" s p# ?0 K
- #include <NXOpen/Body.hxx>
( c* }+ a) z; m - #include <NXOpen/Face.hxx>7 \% F" f4 k) ]4 K. J1 O
- #include <NXOpen/Unit.hxx>
# `9 n3 I9 i7 h - #include <NXOpen/UnitCollection.hxx>& i. b% H0 {% H4 J* p( I; A% E
- using namespace NXOpen;8 e7 x4 C; {! o, m6 ]
( R2 x1 |- `3 b6 B- 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());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");" d n3 z/ Y) \0 m& K- u7 s/ Q! u3 |
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");% Y2 f, w) r1 T+ M" a6 F ]: E
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));" |8 K& J" c3 X# H; {' W
- std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;6 h% @+ ~ c+ Q( `4 ]
- Face *bigFace;
( S% J& V2 m/ s1 X! ?$ O4 L - std::vector<IParameterizedSurface *> theFace(1);* \7 \* c2 z" N. r
- for (int ii = 0; ii < theFaces.size(); ii++)3 D3 I! S# o. o- J) q
- {
4 e7 b2 T# u$ u" k% R* r. y" l - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);
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* a* d! x9 e/ ? J+ s& G) U- MeasureFaces *theMeasure = workPart->MeasureManager()->
+ P6 S# N$ V; c2 {/ t0 i - NewFaceProperties(area_units, length_units, 0.999, theFace);
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- if (theMeasure->Area() > bigArea)1 s, z( m; K; z" R R
- {
6 q9 e0 ]+ D" q' ] - bigArea = theMeasure->Area();5 a- Y5 p! f/ v* r
- bigFace = theFaces[ii];
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2 D, @/ f. ~ _5 R5 V* O- return bigFace->Tag();
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