NX二次开发源码分享： NXOpen C++获取面的面积和周长

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! H  }1 e2 J1 ?' O! LNX二次开发源码分享： NXOpen C++获取面的面积和周长
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[mw_shl_code=cpp,true]double MyClass::MeasureFaceArea(TaggedObject* face_tag)
{
    char str[256];
        
0 V, Y) j- ]1 J7 u. E/ Z2 S    Unit *unit1(dynamic_cast<Unit *>(workPart->UniTCollection()->FindObject("SquareMilliMeter")));
3 s6 G3 F& c1 f4 J" i( r. _1 B    Unit *unit2(dynamic_cast<Unit *>(workPart->UnitCollection()->FindObject("MilliMeter")));

7 r! @* E, `9 u& {, n8 G; ?    //FaceCollector issue is fixed in NX9
. L5 {$ c8 r$ c* i$ ^    NXObject *nullNXObject(NULL);
0 p" a2 M8 r9 Q/ I5 ~  O9 f* ?1 \, L    MeasureFaceBuilder *measureFaceBuilder1;
    measureFaceBuilder1 = workPart->MeasureManager()->CreateMeasureFaceBuilder(nullNXObject);
        
    Face *face1 = dynamic_cast<Face *>(face_tag);
    vector<Face *> faces1(1);
' _$ v- C9 i6 y* ^, _$ l3 y    faces1[0] = face1;
    FaceDumbRule *faceDumbRule1;
    faceDumbRule1 = workPart->ScRuleFactory()->CreateRuleFaceDumb(faces1);
   
    std::vector<SelectionIntentRule *> rules1(1);
) ?) I( s/ Z; p9 w, O: E    rules1[0] = faceDumbRule1;
' M1 M# ]. C) W  E! D    measureFaceBuilder1->FaceCollector()->ReplaceRules(rules1, false);
: O- G# Q3 {' P    NXOpen::NXObject *nxObjct1 = measureFaceBuilder1->Commit();

% ]/ `' J" J. _, R, M    NXOpen::ScCollector *scCollector1 = measureFaceBuilder1->FaceCollector();
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  O, C! d' o6 w) m2 y- ]    MeasureFaces *measureFaces1;
    measureFaces1 = workPart->MeasureManager()->NewFaceProperties(unit1, unit2, 0.99, scCollector1);

    double face_area = measureFaces1->Area();
    sprintf_s(str, sizeof(str), "Selected Face Area: = %f",face_area);
$ F3 l$ c3 n; F  r; A4 x0 [    print(str);
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: P" _/ G+ z/ I3 J; O* o! J2 |. m& I    double face_perimeter = measureFaces1->Perimeter();
    sprintf_s(str, sizeof(str), "Selected Face Perimeter: = %f",face_perimeter);
- D4 p: Z5 v- Q3 [    print(str);

    delete measureFaces1;   
    delete faceDumbRule1;
    measureFaceBuilder1->Destroy();
    return face_area;
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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