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NX二次开发源码分享： NXOpen C++获取面的面积和周长: q% R# _# P) [1 t
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[mw_shl_code=cpp,true]double MyClass::MeasureFaceArea(TaggedObject* face_tag)* _9 [$ J1 ]# b0 I8 y4 ?
{
9 ~ g/ b! I: C, M char str[256];
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Unit *unit1(dynamic_cast<Unit *>(workPart->UniTCollection()->FindObject("SquareMilliMeter")));- W, G* g2 ], K- F( \
Unit *unit2(dynamic_cast<Unit *>(workPart->UnitCollection()->FindObject("MilliMeter")));4 u4 u: ]! `. T5 S& ~. |% L
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//FaceCollector issue is fixed in NX9; o9 O. {: B# C; }3 x
NXObject *nullNXObject(NULL);
) s, q# M Q: C- \8 } MeasureFaceBuilder *measureFaceBuilder1;( w( M( y3 M- h+ e' l! ~/ N: X
measureFaceBuilder1 = workPart->MeasureManager()->CreateMeasureFaceBuilder(nullNXObject);" a" H5 i/ U! E2 }
6 l7 \- A, i: t* n# \! p7 U9 o Face *face1 = dynamic_cast<Face *>(face_tag);
K/ D6 \ O, S3 H: ~8 E2 v vector<Face *> faces1(1);% X* c' |) V% W
faces1[0] = face1;
: J$ }* ]- m2 T, N FaceDumbRule *faceDumbRule1;: z1 i4 }) y* l% {
faceDumbRule1 = workPart->ScRuleFactory()->CreateRuleFaceDumb(faces1);8 A5 N' v4 q2 G* M$ m4 q1 e( e
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std::vector<SelectionIntentRule *> rules1(1);
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measureFaceBuilder1->FaceCollector()->ReplaceRules(rules1, false);
0 i b6 u. T# C/ d& o6 [ NXOpen::NXObject *nxObjct1 = measureFaceBuilder1->Commit();! N9 h8 c3 U, C
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NXOpen::ScCollector *scCollector1 = measureFaceBuilder1->FaceCollector();
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MeasureFaces *measureFaces1;+ Y! _1 K) J6 }/ L T/ c/ i! Q
measureFaces1 = workPart->MeasureManager()->NewFaceProperties(unit1, unit2, 0.99, scCollector1);. h; A0 T4 ^- u
1 y% X+ ~# U5 ^) I, s7 r4 \& \ double face_area = measureFaces1->Area();
1 ~' O. D# a- j8 G" f sprintf_s(str, sizeof(str), "Selected Face Area: = %f",face_area);* e# \3 X6 Y* K! d7 b ]
print(str);# i) u+ f( m% c! e) X3 U
5 }# O% R |4 X1 p2 Q9 | double face_perimeter = measureFaces1->Perimeter();
+ g/ s0 M7 ^3 W+ y sprintf_s(str, sizeof(str), "Selected Face Perimeter: = %f",face_perimeter);- O, }% L R/ u8 r" c
print(str);
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; r5 V. B/ T/ F+ Q0 X; R" {# P delete measureFaces1; . U" _9 I3 t% \
delete faceDumbRule1;
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return face_area;
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