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; \" W+ k' D4 g: H% e9 }" rNX二次开发源码分享： NXOpen C++获取面的面积和周长
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3 G ?% w# t/ |6 e" f$ ]+ b[mw_shl_code=cpp,true]double MyClass::MeasureFaceArea(TaggedObject* face_tag), {. r8 b- _0 ^2 K1 P
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char str[256];7 e$ g! z; ]+ [5 C% M# K
; O: [) z& Z9 s& r( q2 M7 v Unit *unit1(dynamic_cast<Unit *>(workPart->UniTCollection()->FindObject("SquareMilliMeter")));) w" |6 ?' M1 N- D5 \) e/ Y. N. s+ g
Unit *unit2(dynamic_cast<Unit *>(workPart->UnitCollection()->FindObject("MilliMeter")));% s) O, _! W/ P# ^- }
5 x2 K! B7 L) \8 B, @ //FaceCollector issue is fixed in NX9
0 S: _6 Y/ s( N& W% o1 } NXObject *nullNXObject(NULL);! w! {) F7 i! h O. [/ W: d: r
MeasureFaceBuilder *measureFaceBuilder1;
1 U4 |, \$ v: h% r9 o" \ measureFaceBuilder1 = workPart->MeasureManager()->CreateMeasureFaceBuilder(nullNXObject);6 ^ R' V. Q% U! p/ M6 i
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Face *face1 = dynamic_cast<Face *>(face_tag);0 R4 j" d Z5 ?
vector<Face *> faces1(1);
- `, p2 }/ t) R" l% H4 q) c& G faces1[0] = face1;& o8 X. ]6 I. V8 E0 A! p& l( g8 Y( n
FaceDumbRule *faceDumbRule1;2 U m1 w' b3 d' c7 O9 h
faceDumbRule1 = workPart->ScRuleFactory()->CreateRuleFaceDumb(faces1);
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# `5 z0 c9 G% ?- X! _+ n std::vector<SelectionIntentRule *> rules1(1);$ |, M- b6 Z1 `6 h
rules1[0] = faceDumbRule1;
1 k7 A7 v' [6 ]6 A7 f5 g measureFaceBuilder1->FaceCollector()->ReplaceRules(rules1, false);
1 R- L$ ~1 \5 [" ]- F" _& u NXOpen::NXObject *nxObjct1 = measureFaceBuilder1->Commit();; s- F$ M9 ^7 W% m& u" }
8 c( w* }: K& w2 g- a NXOpen::ScCollector *scCollector1 = measureFaceBuilder1->FaceCollector();2 A8 i$ p3 T+ b- K
$ V5 a! i9 d9 b3 i MeasureFaces *measureFaces1;/ B4 M# v n9 }: I
measureFaces1 = workPart->MeasureManager()->NewFaceProperties(unit1, unit2, 0.99, scCollector1);
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0 I" a7 {! s( |8 w' {3 Y5 r double face_area = measureFaces1->Area();
9 X; ~: ]' Y3 |) Y6 E) e) W sprintf_s(str, sizeof(str), "Selected Face Area: = %f",face_area);8 c% I4 h4 T& s& Q. U# ~! \ W% o
print(str);
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double face_perimeter = measureFaces1->Perimeter();. {$ c6 l5 Q) v* I7 C
sprintf_s(str, sizeof(str), "Selected Face Perimeter: = %f",face_perimeter);$ s0 d& \' W5 E/ c9 Z" J+ e' k4 b+ T
print(str);
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) |( k% a" f* [# p- ? delete measureFaces1;
* e, G3 }8 Z; `* r, A; E, a3 Q9 H delete faceDumbRule1;+ y# @0 m# a" ~- ?
measureFaceBuilder1->Destroy();
3 I% c- M! x$ j# g return face_area;
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