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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 ！
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[mw_shl_code=c,true]
7 j7 v1 o, `- ~7 w8 v4 B //get the main body- p. E) }3 ~% w; C
6 N: D1 A& S8 Z7 M- ?9 A8 u$ q ---- -----
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CATIPartRequest_var spPrtRequest = spPrtPart;
7 T6 l4 c' A5 U if (NULL_var == spPrtRequest)8 E' W V: x( y3 @/ A
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printMessage("NULL_var == spPrtRequest");
3 K0 U# J5 U9 I) v return;
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# i D1 p: }& j5 a3 z3 B CATBaseUnknown_var spMainBody;
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rc = spPrtRequest->GetMainBody("",spMainBody); e+ s! T# g4 n
if (FAILED(rc))
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printMessage("Failed spPrtRequest");7 ]6 n4 j! A; l0 a
return;
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0 t8 W0 F0 S) @2 ?& Y$ B6 n, }: M CATIAlias_var spAliasBody = spMainBody;+ p( J8 v2 [8 x' A7 ~
3 l1 Q! W9 r1 d# V7 Z; g printMessage("Main Body" + spAliasBody->GetAlias());! M( d& V1 T: k2 r, J
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CATIBodyRequest_var spBodyRequest = spMainBody;
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printMessage("NULL_var == spBodyRequest");$ f0 a" N: Z* E8 C
return;
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CATLISTV(CATBaseUnknown_var) ListResult;# F5 D) f5 t1 I
rc = spBodyRequest->GetResults("",ListResult);
( o; _0 Q4 j$ F. d8 O1 k if (FAILED(rc)|| 0 == ListResult.Size())
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. ^0 o+ p3 Q! V& A, ], T printMessage("ListResult failed spBodyRequest");/ u9 E8 n7 g1 B6 U/ j
return;8 E. J# V% \( w! g7 G
}; a$ f$ t/ E$ l5 y, v5 f7 D
CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];$ I( D! Z. L9 x( W
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if (NULL_var == spFeatureResultGeomElement)
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/ n5 x0 e6 h% ^3 Y4 \# P1 g, p% _ printMessage("NULL_var == spFeatureResultGeomElement");
$ m- N' w, {! R: m3 a return;
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: o, J. U& ~5 ^* f( S' @& M CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();2 V; D& f' T. e* P' f- X
if (NULL_var == spTopoBody); f1 I& Z& I L
{
! v0 \# r# q2 V) P printMessage("NULL_var == spTopoBody");
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}
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CATLISTP(CATCell) cells;4 ^7 _4 f1 ^8 X7 R* X
spTopoBody->GetAllCells(cells,2); //get all the faces$ k$ J! Z) G: v, y( x7 u
x: J2 H/ a0 N6 b char msg[256];
: W/ N2 c# E. q sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
1 Q: n7 i" @- X+ G% e& y* C2 Z$ E printMessage(msg);6 f1 y ^$ I$ h- u9 i7 Y; R9 v
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for (int i = 1; i <= cells.Size();i++), i6 N u$ l, ^( q4 }* L& D
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CATCell_var pCell = cells;
) n ^: \( w: W" N. O6 r+ E) w; Q if (NULL_var!=pCell)# z/ P4 l# n5 F3 H; ?
{
3 `! x' O7 W% P' m+ e3 ]! V. w/ ` CATGeometry *pGeometry = pCell->GetGeometry();! V( q) d$ F" ?1 s7 ~
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;' E! T3 @2 j+ _% k5 ~7 `
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);, X8 _6 l. I& A0 X2 ^% h
//sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
/ Z- \+ u- _+ l: B9 s* f. V8 X //printMessage(msg);2 Q5 V$ k7 Y$ U& y1 l5 i1 p
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CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);
$ Y0 v' h I+ p% i; J if (spBrepAccess != NULL_var)+ R" @, x+ b1 l3 e4 W+ |% y* U
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//assign color
4 c+ o7 q! F6 E8 } CATIVisProperties * pVisProperties = NULL; g3 F2 |$ D0 g+ D: Y; s n. @
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);8 W3 y' b1 `* h% f$ n! g* t
if (SUCCEEDED(rc))" B* c* G+ u3 ?8 B* L
{
/ S, c6 d/ w4 O. b CATVisPropertiesValues ivalues;( _8 K% a/ U5 G$ s Q" [) d: }. l+ |
ivalues.SetColor(0,0,255);
" {/ \( r I7 D2 b; }8 g' Y: d pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );4 n3 H# ^9 ^1 A# P9 u8 C
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pVisProperties->Release();, G9 I- S5 Z S6 g+ g# E. z
pVisProperties = NULL;
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}
3 ~! }6 h5 f2 o1 w( a: A( b; F; W //get alias name and persistentTag to add in the list( q& C7 K B/ z5 z7 C
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}
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5 f4 o; w# V( G0 b( h/ p% d! D8 S // End of User Code
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