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1 ?0 d5 A& G2 a; D- C% N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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[mw_shl_code=c,true]2 d! x1 l/ k- v8 d U" Q3 ?
//get the main body
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---- -----; @ f9 z% F* y' [) a3 O8 T# c
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CATIPartRequest_var spPrtRequest = spPrtPart;
- u5 Y& U E4 w- { if (NULL_var == spPrtRequest)
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& a$ O% {- g3 e6 Y5 F" u printMessage("NULL_var == spPrtRequest");/ o+ i6 E( H% `8 W& C
return;/ _ K7 D7 P( ~2 \ j1 x1 g
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CATBaseUnknown_var spMainBody;) U8 _5 A. r7 ?# g! T$ H. R# o( I
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rc = spPrtRequest->GetMainBody("",spMainBody);# A$ y% m" @9 b' J2 B0 f7 s7 q+ N7 R
if (FAILED(rc))
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printMessage("Failed spPrtRequest");
% G( M( m' c& K/ h2 X& Y return;& i7 F$ j: \. w7 [, `, I2 @. K
}
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CATIAlias_var spAliasBody = spMainBody;; e- Z& }1 t1 m i- ~
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printMessage("Main Body" + spAliasBody->GetAlias());
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CATIBodyRequest_var spBodyRequest = spMainBody;
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printMessage("NULL_var == spBodyRequest");! v8 ]! W E$ O; B i7 l
return;
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& l$ L4 D' F* c3 j5 ?" @ CATLISTV(CATBaseUnknown_var) ListResult;' e; T- v) i A; r& H) d) W: w4 f+ M
rc = spBodyRequest->GetResults("",ListResult);
7 J! W& _9 N1 s3 z if (FAILED(rc)|| 0 == ListResult.Size())
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printMessage("ListResult failed spBodyRequest");
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CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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4 }' ^! E5 v/ j, A2 s1 ? if (NULL_var == spFeatureResultGeomElement) x' i$ ?; f! r+ G, m
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printMessage("NULL_var == spFeatureResultGeomElement");
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% n$ r1 g6 C/ q( |% V( D. v CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
4 j' a/ n; M# |3 |! s5 z# C if (NULL_var == spTopoBody)& T- [6 D2 x9 m$ x6 T2 D7 A1 F
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printMessage("NULL_var == spTopoBody");9 p! w* i% `7 t1 W, q7 N d
return;
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$ T- t& Y3 D& ]" R CATLISTP(CATCell) cells;
( @: i, [5 B I8 f7 a spTopoBody->GetAllCells(cells,2); //get all the faces
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W9 Y1 [' R8 W) A% j char msg[256];/ M, a- y+ l, X4 f1 L
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
( r8 Y4 O, ^$ f printMessage(msg);
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for (int i = 1; i <= cells.Size();i++)) _% m5 f3 J" C1 f' ]
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CATCell_var pCell = cells;
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CATGeometry *pGeometry = pCell->GetGeometry();
: M% p8 b" Q5 M0 I' h/ l+ F if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;. u* z9 y7 n/ h* ]5 l
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
. H1 h4 d% R, h! f" M8 h //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());! B. {$ {6 o( r c% Q4 I) L" i
//printMessage(msg);
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' I0 { \2 t! {( J# V CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);; B! W! n1 H2 g
if (spBrepAccess != NULL_var). q5 C. z' Z" |# @7 N3 n) C
{
- L6 F$ O, [) [5 M9 M+ z" x //assign color 5 o( ^. f6 Q* z' J. g, h
CATIVisProperties * pVisProperties = NULL;# k( i1 l, D+ x. ^. V) P4 z
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
" a4 L9 A4 m& H0 k4 I if (SUCCEEDED(rc))) M8 L3 k6 ~% e- Q. V$ t
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CATVisPropertiesValues ivalues;
9 }; F4 {& ?8 f0 b8 x6 d5 c4 K ivalues.SetColor(0,0,255);
/ R7 U( ]4 [+ X- ?9 }7 E pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );
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pVisProperties->Release();
+ R m. J) Q. q: v pVisProperties = NULL;
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}
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//get alias name and persistentTag to add in the list
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}
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}
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// End of User Code
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' E9 F# x1 S+ K: _: h! o[/mw_shl_code]
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