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1 e( y6 t" t% U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 ！& x/ L7 I* @1 r# ]
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[mw_shl_code=c,true]
% y! {, ] A: e: f3 b. Z //get the main body
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---- -----
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' C Z8 J' b1 W# l3 f# B/ e* } CATIPartRequest_var spPrtRequest = spPrtPart;8 z- ]: J" G# [! M0 j
if (NULL_var == spPrtRequest)
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printMessage("NULL_var == spPrtRequest");
) Y. I0 X1 V! R" P! J return;
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% r; `) m( h* U! r8 I0 B* a CATBaseUnknown_var spMainBody;9 h" j6 s: E5 g, V- ^; ], X
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rc = spPrtRequest->GetMainBody("",spMainBody);$ s6 e+ @6 X* e
if (FAILED(rc))( ^' x! q0 E6 i( X" ~. Z. P" ?1 Z
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printMessage("Failed spPrtRequest");7 M& f8 q& l9 {0 P4 Y' N2 A
return;" W% X. f+ c- G& Z
}
4 O! S% f( U5 Y0 A5 U! T7 o9 k, n) {
CATIAlias_var spAliasBody = spMainBody;2 d' a6 f2 Q) W+ I
5 _5 M) S3 T2 S0 }( h3 p4 C; h; o4 ^/ d printMessage("Main Body" + spAliasBody->GetAlias());1 A. `+ Q. j9 Y; A9 w/ W
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CATIBodyRequest_var spBodyRequest = spMainBody;
* E( M# h5 t/ e* y if (NULL_var == spBodyRequest)4 }3 V8 u! A1 U& B. f' A
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printMessage("NULL_var == spBodyRequest");2 C0 R6 v: S9 K l m" T1 O
return;/ Q( j$ T3 {7 p. r4 `
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CATLISTV(CATBaseUnknown_var) ListResult;
]8 w- `. l8 } rc = spBodyRequest->GetResults("",ListResult);' ^+ y6 W0 E/ z8 p7 b l; d% Y
if (FAILED(rc)|| 0 == ListResult.Size())
$ u* p' V: m, n# J1 I. @- q {
# e: ^9 D% F- T) ~( f. j printMessage("ListResult failed spBodyRequest");
2 V2 J1 A }4 {) x return;& ~: e6 x ~. i% I4 g; ^) A6 \
}
/ b3 z+ e: f; N CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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' b$ K% q& I1 I3 j6 y if (NULL_var == spFeatureResultGeomElement)7 ?. s3 P& u4 x( n
{
0 l8 P! [( |4 z$ e* H' G printMessage("NULL_var == spFeatureResultGeomElement");6 Z8 Q" y$ h% k
return;& g# E# e% ]! A- n
}
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CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();$ E. i. A, Y/ `
if (NULL_var == spTopoBody)
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D" y4 Q) O) q8 i# t! Y2 E printMessage("NULL_var == spTopoBody");: @0 h" N z, F4 m
return;0 Q) P" d% E2 K8 Q- T% A! w
}
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CATLISTP(CATCell) cells;7 Q# p# Q5 D4 [! @" B& A: j
spTopoBody->GetAllCells(cells,2); //get all the faces
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char msg[256];# l6 Q: H& a. s: d
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
5 w0 M- \9 e4 ? printMessage(msg);
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( @" ^; J6 O3 _4 c4 V! O for (int i = 1; i <= cells.Size();i++)
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( G1 g9 y- c0 @/ y$ X0 f* e( C CATCell_var pCell = cells;% {# ], s8 q- ~) b- }0 `) E3 J* y, ?1 q
if (NULL_var!=pCell)
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2 L4 o: w! m7 _ CATGeometry *pGeometry = pCell->GetGeometry();9 _; ^& T* }+ p
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;+ M& Q7 r' K# U1 q
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
1 f5 s2 U; S/ O. y: g) K //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
3 v- g2 P# k9 _2 h( b3 m //printMessage(msg);
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* \9 b+ W. I: Z% B: h CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);
1 h! X6 i% e8 r if (spBrepAccess != NULL_var)
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//assign color
) L- ?0 K! F1 L: d( g- w6 ] CATIVisProperties * pVisProperties = NULL;
1 K7 W# O8 v% Z9 C rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);# j0 [9 J3 x8 M' ^
if (SUCCEEDED(rc))' ?1 |+ c# Y3 X. D: l/ A) Y
{
+ T; k+ n" {/ Z' ? CATVisPropertiesValues ivalues;
5 a' a# `6 j; f) s ivalues.SetColor(0,0,255);
8 G' j# m. r/ C, j# n# l( ? pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );& W3 b. |; t9 y4 M
}
% W5 A, A/ `* o6 V; |' K pVisProperties->Release();: a! ] Y2 _6 k2 e* h
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& \$ Q3 R/ U$ h* i% H9 Z3 Q: c4 _
}
5 S! Z% L( m, ~, f[/mw_shl_code]
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