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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 v6 z% W T/ t1 f7 h' ~! t5 r
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" |, M$ H* b5 y8 X[mw_shl_code=c,true]# l6 z# H* K1 W, o8 Q2 K. [
//get the main body
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---- -----
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% N9 n1 W3 x" p8 f% y" M1 _ CATIPartRequest_var spPrtRequest = spPrtPart;
, \" c! Z& v- N6 `; p if (NULL_var == spPrtRequest)# x& ~: @+ ]. T- {
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printMessage("NULL_var == spPrtRequest");
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CATBaseUnknown_var spMainBody;
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rc = spPrtRequest->GetMainBody("",spMainBody);: ?( I# K! B3 N' [! k. y
if (FAILED(rc))( P: A2 G( a7 A9 e+ I6 x$ R
{
# P) z3 I7 d+ D$ S# o printMessage("Failed spPrtRequest");2 o: L( B+ s) J. I* N
return;
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CATIAlias_var spAliasBody = spMainBody;
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. c) y0 c; h' V printMessage("Main Body" + spAliasBody->GetAlias());
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1 O' `% f* s( x b+ a CATIBodyRequest_var spBodyRequest = spMainBody;
1 G. k" }2 ~. c! A if (NULL_var == spBodyRequest)
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printMessage("NULL_var == spBodyRequest");
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}
* W6 w5 x* d# h CATLISTV(CATBaseUnknown_var) ListResult;$ b9 I4 h6 m! h' J% ?
rc = spBodyRequest->GetResults("",ListResult);
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printMessage("ListResult failed spBodyRequest");) x! I) y/ E# T
return;/ L+ ^3 F- z- M" g2 `
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CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1]; G2 t# X; @2 U( B
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if (NULL_var == spFeatureResultGeomElement)
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3 |9 T- J* e1 Q. t/ q4 }# V printMessage("NULL_var == spFeatureResultGeomElement");
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}
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4 C& D* h6 m; G CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
$ g0 ?7 K* f% N( t if (NULL_var == spTopoBody)
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3 Y0 B, I8 A% z& E$ A printMessage("NULL_var == spTopoBody");* U+ o4 R; E! p- \8 t, }. y% h
return;
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# x3 t7 i3 B# j1 t. X CATLISTP(CATCell) cells;
5 q+ s7 O. m) Y spTopoBody->GetAllCells(cells,2); //get all the faces) W2 {9 J! C" I0 z' b' A; i* V$ j
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char msg[256];
5 Q/ f9 S) _! G* v: L) ? sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
/ y. s6 Y. C' ^9 C( } printMessage(msg);
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for (int i = 1; i <= cells.Size();i++)* C, }1 e& X5 T: z# H5 I* t
{
, G+ V5 U; H. x" ~- ~9 F CATCell_var pCell = cells;; M2 K: m) x: Z9 E
if (NULL_var!=pCell)- t" `% @- R6 W! L
{
- U( h( \$ O! t! V7 u' G/ o4 B CATGeometry *pGeometry = pCell->GetGeometry();
! q3 n3 Z5 `' U( k* Z; t if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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# F) J {5 m! M# I2 E( _9 [- _ //CATMathPoint CenterPoint;4 O' X0 s: m0 e$ O" ]
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
1 v3 ?' _8 _5 [ //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());( X1 a( _/ b _/ a1 @1 c
//printMessage(msg); i: i9 ~6 I. s/ N' D+ q
& q& q% x% n, D5 F* m, V CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);5 L |8 X8 x8 v4 A# k$ P# ^
if (spBrepAccess != NULL_var)2 _) C6 b/ @2 p
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//assign color
% p* r$ \7 g% F# |2 N8 v2 m CATIVisProperties * pVisProperties = NULL;! Z, h3 N1 A& [1 Y
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
% }: F9 |7 i8 P' V5 H7 \/ V" R7 { if (SUCCEEDED(rc))/ s7 ]& {' `/ ?9 h6 a" S1 p
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CATVisPropertiesValues ivalues;: P6 S: o" h1 E6 a( Q
ivalues.SetColor(0,0,255);8 C2 u, q4 R. D( I/ Q" R" s0 W6 m# E
pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );
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pVisProperties->Release();9 ?& T Y* r" O% m5 g; ^. |
pVisProperties = NULL;5 _# n+ I6 x5 E- w
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//get alias name and persistentTag to add in the list7 k I7 C) U7 q- e" w
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}
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}
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// End of User Code
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" E0 Z' R' Q$ ]- E; O3 R6 V[/mw_shl_code]
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