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/ A! {0 P' m4 o ^: ?/ k个人认为,比较常见吧,如何遍历得到几何体,通过几何体获取到拓扑体,通过体获取到几何元素,通过几何元素获取到单元,单元再到几何进行判断面的种类,对于BrepAccess的获取需要借用 全局函数 CATBrepAccess !
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//get the main body
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---- -----
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CATIPartRequest_var spPrtRequest = spPrtPart;* p" `# V0 u5 g+ I& j; {$ E2 y) T
if (NULL_var == spPrtRequest)
: j8 V6 O7 n! M8 b5 p9 e {
2 G& i6 G1 F& N% r1 O$ C" c printMessage("NULL_var == spPrtRequest");
! G; O0 x9 R' }) } return;4 ?3 x- C8 ^- e
}
, Z2 F H. Y1 E, ?9 V! } CATBaseUnknown_var spMainBody;5 u: u- ]2 h5 r, a) q7 x
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rc = spPrtRequest->GetMainBody("",spMainBody);6 E& \ c* C/ r7 J, V+ I
if (FAILED(rc)), O% O3 n _3 f Z; Y* r; x$ ~- o0 |
{
& p. ~# v& y3 { printMessage("Failed spPrtRequest");
! F4 S8 c" p5 ^2 Q5 c( n# Y return;& G: `- r1 W5 Q. G# r6 e
}
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CATIAlias_var spAliasBody = spMainBody;
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printMessage("Main Body" + spAliasBody->GetAlias());
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' b( G, ~) x9 D2 M0 S CATIBodyRequest_var spBodyRequest = spMainBody;
% y' \ I1 P: I, O% u b3 y9 T if (NULL_var == spBodyRequest)
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' D: I" ?( K+ {( o printMessage("NULL_var == spBodyRequest");
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CATLISTV(CATBaseUnknown_var) ListResult;
6 v# t8 c9 V: E7 G rc = spBodyRequest->GetResults("",ListResult);( f k/ L2 }) {' ?" u
if (FAILED(rc)|| 0 == ListResult.Size())
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printMessage("ListResult failed spBodyRequest");
& k# J1 [2 |# |- \* k: F9 V return;
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CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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; P# x8 e) v2 T. f if (NULL_var == spFeatureResultGeomElement)" v$ C& |" x. U: Y) {6 _
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printMessage("NULL_var == spFeatureResultGeomElement");
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/ l/ G6 g! f2 U' o CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();+ b& _5 c5 Y, H$ M7 P
if (NULL_var == spTopoBody)
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& Q. {$ C3 l0 C! h- r+ R) \* _3 r/ e printMessage("NULL_var == spTopoBody");
9 Z) }9 g# ~5 @& m, F- D return;4 H5 b( q+ {0 x4 ^ L: q
}
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" C" I. s3 t# \; L% U* Z; i( ^% ?, Q CATLISTP(CATCell) cells;. S5 M7 H S; p, j- j- o Q
spTopoBody->GetAllCells(cells,2); //get all the faces/ g7 V2 O. |) Y+ D/ b% D2 e5 Z
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char msg[256];6 r6 [5 Q0 u1 }0 P
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
" @: @& z! s5 D8 J printMessage(msg);
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for (int i = 1; i <= cells.Size();i++)
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+ r+ n( K; `8 M$ t$ N1 G3 T CATCell_var pCell = cells;
8 O% [& J2 t7 U: V$ m6 U- b7 G if (NULL_var!=pCell)
$ C5 U$ o, V; h; C9 j2 g& R. O* v {
$ R! o- ?( A0 X. y CATGeometry *pGeometry = pCell->GetGeometry();
) J# [ U/ |2 Z' F' V6 M* E# L$ z% n0 S if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;7 O+ s: }$ i+ G+ T
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);* ?5 R+ m8 `& n) f- {
//sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
1 O9 A) W& B, U6 R, h+ e# e% O- z0 F //printMessage(msg);4 _7 ] Z0 s: @
i: t$ }3 l- E4 Q! B _3 H CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);1 Z; l6 F0 _# f0 M9 l* h
if (spBrepAccess != NULL_var)
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//assign color
$ C+ o0 B( D( ~/ B9 ]: T CATIVisProperties * pVisProperties = NULL;% i2 W( a5 O+ m' Q3 ?& k
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);- w1 W$ ^: w e7 q, v
if (SUCCEEDED(rc))9 B) m! b2 P0 s7 m6 F+ E, o2 Y5 O
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CATVisPropertiesValues ivalues;
1 G' x9 p- v/ R4 J4 \, ]) g ivalues.SetColor(0,0,255);
& W- [: z9 N# B7 _) g5 c pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );0 ~* }- M4 N8 L
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pVisProperties->Release();
6 @ u) g/ ?" B pVisProperties = NULL;
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* u$ U v) p/ H5 g! |3 ] //get alias name and persistentTag to add in the list0 [; K1 e% x* s/ ]8 P* J8 m/ M
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7 Q7 x, X1 P: ? // End of User Code" n$ p# q1 v; C6 x3 ~, v, B
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[/mw_shl_code]
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