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NX二次开发源码分享: NXOpen C++获取面的面积和周长( m* o/ e6 a# C. W
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8 d: u9 o* T. {; ^8 s' s[mw_shl_code=cpp,true]double MyClass::MeasureFaceArea(TaggedObject* face_tag)* _! l) p" z5 ]- @# T& X# o
{
5 F# J8 D) v( Z7 \ v6 k5 C+ u" M char str[256];3 H- u+ M/ C: W+ K
7 J) n3 ?( G* a, ^6 A Unit *unit1(dynamic_cast<Unit *>(workPart->UniTCollection()->FindObject("SquareMilliMeter")));/ l3 e) I* w7 C$ f. x1 h1 A3 ]) x9 z
Unit *unit2(dynamic_cast<Unit *>(workPart->UnitCollection()->FindObject("MilliMeter")));/ `: w" B7 ~! m9 @$ ~2 m l
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//FaceCollector issue is fixed in NX9# G8 y; b3 Z% V# o' \
NXObject *nullNXObject(NULL);
+ H" M* I, |; z0 p [& P MeasureFaceBuilder *measureFaceBuilder1;8 R; l$ g$ y& x9 _
measureFaceBuilder1 = workPart->MeasureManager()->CreateMeasureFaceBuilder(nullNXObject);0 _: d5 s1 o6 e0 I1 I9 k
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Face *face1 = dynamic_cast<Face *>(face_tag);
# s9 D8 ]3 l8 _1 [+ J4 X) Y x vector<Face *> faces1(1);
C3 T5 z$ x7 q' k+ S/ u5 w faces1[0] = face1; R' e) ^% E% Z) @' E& ?) P- f8 v
FaceDumbRule *faceDumbRule1;0 j' |0 S6 ?5 z0 Z. y
faceDumbRule1 = workPart->ScRuleFactory()->CreateRuleFaceDumb(faces1);/ l5 \8 }& a1 x) |" j" H1 O+ J
, e! m8 j. }/ B$ s: l1 L std::vector<SelectionIntentRule *> rules1(1);
4 a; c8 T; G7 B/ Y rules1[0] = faceDumbRule1;/ ~2 f/ l4 j" q3 h
measureFaceBuilder1->FaceCollector()->ReplaceRules(rules1, false);4 n: W4 B% H' P( l# D
NXOpen::NXObject *nxObjct1 = measureFaceBuilder1->Commit();' W5 a) j4 y; ]
8 C$ B/ [: R! u4 X5 d NXOpen::ScCollector *scCollector1 = measureFaceBuilder1->FaceCollector();
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* R/ m; P* v6 L3 R- L& N8 k MeasureFaces *measureFaces1;
5 R# J1 T! [# d, \ measureFaces1 = workPart->MeasureManager()->NewFaceProperties(unit1, unit2, 0.99, scCollector1);
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double face_area = measureFaces1->Area();
* e6 \, T9 i0 K0 `4 m; Q. a5 \ sprintf_s(str, sizeof(str), "Selected Face Area: = %f",face_area);
! I8 v8 z$ X# V% M1 j print(str);
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double face_perimeter = measureFaces1->Perimeter();
& q( A6 F1 ~! |( J3 v1 Q7 r }% B sprintf_s(str, sizeof(str), "Selected Face Perimeter: = %f",face_perimeter);
3 E$ W; _! z6 _$ @ P9 o" I0 S print(str);
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# ~7 T( _: A, {/ r delete measureFaces1; - f; l1 _3 C4 r) T; U/ K
delete faceDumbRule1;' _+ g4 g5 Z6 e. p- K/ E
measureFaceBuilder1->Destroy();
! b- y+ \/ r) \- t return face_area;+ f( Z, E+ O7 k, @- w
}
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