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NX二次开发源码分享：查找体中最大的面积 h t3 N" d5 p9 M" p: |4 @$ H
通过MeasureFaces 下的area方法可以得到面的面积进行遍历查询* N) ~0 J3 U9 p3 z9 f
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$ d. D6 _7 ^1 h" @4 I7 F5 Y" b- u- #include <NXOpen/Session.hxx>
+ r5 k, P/ r% u6 q& ]' z e - #include <NXOpen/Part.hxx>8 w2 |. m+ l2 E1 K2 j
- #include <NXOpen/ParTCollection.hxx>
7 H: o0 S0 z W0 S4 i1 b$ c - #include <NXOpen/MeasureManager.hxx>
, p# E1 [& b7 Q - #include <NXOpen/MeasureFaces.hxx>- P( B8 Q! J1 A' g& e& d$ |" D
- #include <NXOpen/NXObject.hxx>
' h6 g4 t2 o$ |, b4 Y6 } - #include <NXOpen/NXObjectManager.hxx>
& Z& B/ r8 C1 F2 H: L - #include <NXOpen/Body.hxx>% b; n& p0 ~ @- ?- A; p
- #include <NXOpen/Face.hxx>3 I3 R2 X6 ^0 ^; y9 G- w. p' m
- #include <NXOpen/Unit.hxx>
* m m5 Y& }( S1 b! j - #include <NXOpen/UnitCollection.hxx>
# R" n9 H g" R& N - using namespace NXOpen;0 A. `5 n# A5 I3 b7 `! ^
- 4 X3 p8 T% N; y& C$ Q+ 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());% K9 t9 x4 x' s* B6 E
- 2 F6 J' b4 _$ G3 }
- Unit *area_units = workPart->UnitCollection()->GetBase("Area");
' ^ L" @' y+ T; B8 I - Unit *length_units = workPart->UnitCollection()->GetBase("Length");9 O0 E3 o- Z2 t2 E; T& R
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));5 c+ f7 q! O& {. K$ u0 [
- std::vector<Face *> theFaces = theBody->GetFaces();
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- double bigArea = 0;& e, a4 {% ]0 r7 j
- Face *bigFace;
3 j, T+ t: E: m! T - std::vector<IParameterizedSurface *> theFace(1);
4 i$ Y( |% X$ i" A5 E - for (int ii = 0; ii < theFaces.size(); ii++)2 \- b, s# ]0 e3 i3 x% ?" z( `
- {
, B$ C- p" h1 c* w; f$ Q - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);
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- MeasureFaces *theMeasure = workPart->MeasureManager()->0 V' ^: A7 k- r! O7 |% ]
- NewFaceProperties(area_units, length_units, 0.999, theFace); Q% l s+ U2 g' p
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- if (theMeasure->Area() > bigArea): r, C) Z1 ~0 ~( n# [! o6 h8 j
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- bigArea = theMeasure->Area();$ z/ J9 V! i5 j- G }
- bigFace = theFaces[ii];
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- return bigFace->Tag();
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