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NX二次开发源码分享：查找体中最大的面积. \$ G, C) `8 S0 Y
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>
- E+ z( s0 T3 l - #include <NXOpen/Part.hxx>
+ ]; n2 @( {) B) k! R) q* [ - #include <NXOpen/ParTCollection.hxx>
+ r. s. s( d! x - #include <NXOpen/MeasureManager.hxx>
. N1 [0 \3 Y( U; n( S+ V7 I: f; z2 R - #include <NXOpen/MeasureFaces.hxx>/ q, u6 _4 d5 u1 H( ~0 s
- #include <NXOpen/NXObject.hxx>9 O. O$ \* i2 m2 j
- #include <NXOpen/NXObjectManager.hxx>2 F5 k6 k2 Y) C4 T7 K/ F
- #include <NXOpen/Body.hxx>
8 A% b: h! B5 G1 D4 I" h/ K& c - #include <NXOpen/Face.hxx>6 S, g6 ]& ~4 D& b5 V) C
- #include <NXOpen/Unit.hxx> M+ D- t: b, O, [) B9 X+ j: m
- #include <NXOpen/UnitCollection.hxx>7 u& M: D9 q- L6 x5 P
- using namespace NXOpen;' V0 ~1 [5 W* V/ C/ }
I- Z- i. t3 R+ ]0 M' V9 p) I- static tag_t ask_largest_face_interop(tag_t body_tag)! A5 {8 {5 b4 j7 G
- {
) e/ _( ^0 @" o0 X1 }# h9 I+ C) ]1 { - Session *theSession = Session::GetSession();' X+ x' E4 L" C
) K- D& K; k' p8 B& |: p9 @- Part *workPart(theSession->Parts()->Work());
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- Unit *area_units = workPart->UnitCollection()->GetBase("Area");$ V) ]/ C- E" Z6 u: Z& u# @
- Unit *length_units = workPart->UnitCollection()->GetBase("Length");
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- Body *theBody = dynamic_cast<Body *>(NXObjectManager::Get(body_tag));
* `& h0 S3 ^5 n) a* T - std::vector<Face *> theFaces = theBody->GetFaces();- f, R- H& o& Q( p2 K! T
1 q8 G# S# P0 v5 z6 q) g' ^1 y9 Y- double bigArea = 0;
: P& h1 R1 h k5 d) R! [ - Face *bigFace;
' [3 j5 }8 D% e! N - std::vector<IParameterizedSurface *> theFace(1);- J' H2 t6 p: E3 w6 |. M1 k9 M) B
- for (int ii = 0; ii < theFaces.size(); ii++)5 z$ [2 f' {: s4 ] R
- {
, K3 n; g, z# N# P3 Y# \' i* o - theFace[0] = dynamic_cast<IParameterizedSurface *>(theFaces[ii]);
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- MeasureFaces *theMeasure = workPart->MeasureManager()->
0 M# O" f$ y* D5 z - NewFaceProperties(area_units, length_units, 0.999, theFace);' L: A" t/ G" e
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- if (theMeasure->Area() > bigArea)
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- bigArea = theMeasure->Area();
1 z& A7 r. t' v0 J) o" b - bigFace = theFaces[ii];
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- return bigFace->Tag();# ]3 H9 Q1 E4 q) i/ T
- }
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