NX二次开发源码分享： NXOpen C++获取面的面积和周长

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, U+ R8 I' s4 t. pNX二次开发源码分享： NXOpen C++获取面的面积和周长
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1 X" c0 h  X. G' o[mw_shl_code=cpp,true]double MyClass::MeasureFaceArea(TaggedObject* face_tag)
{
    char str[256];
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: ~% B: |1 B( m2 M6 m    Unit *unit1(dynamic_cast<Unit *>(workPart->UniTCollection()->FindObject("SquareMilliMeter")));
$ Z, ?7 V) r: q$ ^    Unit *unit2(dynamic_cast<Unit *>(workPart->UnitCollection()->FindObject("MilliMeter")));

1 [, U$ ^6 h' Z" B    //FaceCollector issue is fixed in NX9
5 ?/ r9 ^7 ?- L) M" x! O5 I) O    NXObject *nullNXObject(NULL);
    MeasureFaceBuilder *measureFaceBuilder1;
    measureFaceBuilder1 = workPart->MeasureManager()->CreateMeasureFaceBuilder(nullNXObject);
        
+ m! F- ~5 \) l    Face *face1 = dynamic_cast<Face *>(face_tag);
3 m1 Q: u; `" s/ h# d; \/ G( V% O    vector<Face *> faces1(1);
    faces1[0] = face1;
    FaceDumbRule *faceDumbRule1;
+ h( B7 y3 g8 d& r  m, B    faceDumbRule1 = workPart->ScRuleFactory()->CreateRuleFaceDumb(faces1);
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# Q0 m2 x9 Z' ~% Z( X    std::vector<SelectionIntentRule *> rules1(1);
8 [8 L0 W; G" f) \5 ^    rules1[0] = faceDumbRule1;
) y0 X' m, h4 g5 t& [    measureFaceBuilder1->FaceCollector()->ReplaceRules(rules1, false);
    NXOpen::NXObject *nxObjct1 = measureFaceBuilder1->Commit();

    NXOpen::ScCollector *scCollector1 = measureFaceBuilder1->FaceCollector();

    MeasureFaces *measureFaces1;
    measureFaces1 = workPart->MeasureManager()->NewFaceProperties(unit1, unit2, 0.99, scCollector1);
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: ^1 S) `# ^8 \# e/ P    double face_area = measureFaces1->Area();
1 }3 a! p3 U+ o1 }  H! l    sprintf_s(str, sizeof(str), "Selected Face Area: = %f",face_area);
    print(str);
   
    double face_perimeter = measureFaces1->Perimeter();
    sprintf_s(str, sizeof(str), "Selected Face Perimeter: = %f",face_perimeter);
    print(str);

+ C* g) I9 Y5 a( K    delete measureFaces1;   
    delete faceDumbRule1;
' N# c; j% t8 E    measureFaceBuilder1->Destroy();
6 z6 y6 a( Y/ {6 @0 [    return face_area;
}
  v, z3 I* o' g[/mw_shl_code]

rkc_555

这个方法我试过了，我8.5的版本好像不行，计算的面积为0，可以直接创建measureFaces对象，用另一个重载函数，只要两行代码就能计算出面积