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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 !9 J! W- u7 o# p, m+ n3 n6 m
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[mw_shl_code=c,true]
: }2 ^& c, |) E; I8 t6 ] //get the main body3 {1 h& W, d! B9 s9 \4 {3 ?; q
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CATIPartRequest_var spPrtRequest = spPrtPart;
- O2 s4 I/ i' X% ` if (NULL_var == spPrtRequest)
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printMessage("NULL_var == spPrtRequest");
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CATBaseUnknown_var spMainBody;" [* @+ {1 H; ?& u( O+ P
6 {4 c3 V' K h& ]# \# A4 a7 | rc = spPrtRequest->GetMainBody("",spMainBody);; C% t( a; ?) }
if (FAILED(rc)), J( D# M* Z9 L. _( p
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printMessage("Failed spPrtRequest");4 C+ E% y' e& P/ u8 C2 z
return;( D5 Z, _# r8 o3 U7 c
}
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CATIAlias_var spAliasBody = spMainBody;7 i5 B; [; f7 ?- g+ u
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printMessage("Main Body" + spAliasBody->GetAlias());
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CATIBodyRequest_var spBodyRequest = spMainBody;
" Y0 _: [6 u% I1 } if (NULL_var == spBodyRequest) V2 \$ D& ]# T/ O2 x3 {4 s
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printMessage("NULL_var == spBodyRequest");
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CATLISTV(CATBaseUnknown_var) ListResult;* V1 s( \% J1 c9 s0 T- G: m
rc = spBodyRequest->GetResults("",ListResult);
6 F; i# |3 T; G! r if (FAILED(rc)|| 0 == ListResult.Size())
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4 m9 F0 Q( {/ v$ | printMessage("ListResult failed spBodyRequest");
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CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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if (NULL_var == spFeatureResultGeomElement)* e% p1 M; r! D" | ~' s
{
' ` i: ]/ m4 B, N& ~. R printMessage("NULL_var == spFeatureResultGeomElement");. c0 x" b( D% { f3 q3 C
return;
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CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
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printMessage("NULL_var == spTopoBody");1 A( ~2 Z* q6 P
return;
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CATLISTP(CATCell) cells;( Z- C V2 X6 Q2 |9 H. W) v
spTopoBody->GetAllCells(cells,2); //get all the faces
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! ^4 N/ o+ t6 T" x. [ o sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());3 P* y- O; I" K: u7 B
printMessage(msg);
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# k/ S0 c B8 Q P' h$ ]) f for (int i = 1; i <= cells.Size();i++)# |% L8 \& m' E
{
2 D% C( ?0 @; X, T CATCell_var pCell = cells;5 K# Y; |' j8 P5 Z
if (NULL_var!=pCell)9 B$ U3 N% Q6 O: A: @
{
2 s! z7 r# z7 w2 }' a1 ^ CATGeometry *pGeometry = pCell->GetGeometry();
* N; T* z: A8 e+ z if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face8 n5 H8 F# T6 e/ x' T" B2 d+ U
{
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//CATMathPoint CenterPoint;4 Y' o& o& H9 n
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
! U- K# Y0 H6 k% Q" b% \( k //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());9 c& X2 w# h9 Y$ A
//printMessage(msg);6 o8 w$ v$ c$ a/ q$ g! Y* g0 K5 T
( T) I! e& `5 `/ P9 Y T CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);1 e' |. @/ v( G) \& [4 _1 A8 u$ Z
if (spBrepAccess != NULL_var)
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//assign color , ]: |- ^ C$ j! X9 t j
CATIVisProperties * pVisProperties = NULL;
0 O$ `$ |' P5 _ rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);' c1 f# S' d0 D8 H# N
if (SUCCEEDED(rc))
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" u% W- T- u! J3 o3 \ CATVisPropertiesValues ivalues;
2 l, U, T* X2 b& l$ B, f ivalues.SetColor(0,0,255);
' R" a/ U# c, w! W& @8 a/ h pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );
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& f- P+ f- O: U* V2 n- h pVisProperties->Release();: r7 \1 A: I. b6 w$ x
pVisProperties = NULL;7 h1 T" w; P# A% [, D
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}
& R' @% q- v' J2 u; D( m4 | //get alias name and persistentTag to add in the list
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; c6 y. l! |' c/ H( o // End of User Code" b# _6 J4 \) j; h6 R1 P
}
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