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: s. W( D& i# S9 \/ D' ^) D! W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 ! ^/ U0 {; S1 W5 n6 G/ P7 q
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% j% h3 \, S6 o1 ?+ E[mw_shl_code=c,true]
6 d% b, ?3 T3 o- _& n //get the main body
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---- -----) K* c; g# u4 o' n2 H A1 l
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CATIPartRequest_var spPrtRequest = spPrtPart;) t j0 E# l' g4 S! O2 m" J4 q
if (NULL_var == spPrtRequest)% G0 x( O" O) @8 O/ D
{
# p: t1 a: Z4 d1 K' [ printMessage("NULL_var == spPrtRequest");
, f+ z) B! Q- T: E- w; S" h return;+ i0 }" Z& J& C4 s7 R" w2 Q
}
) {) o$ j6 j2 U8 h8 z; m CATBaseUnknown_var spMainBody;
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rc = spPrtRequest->GetMainBody("",spMainBody);
/ e; C1 J8 v6 b- p if (FAILED(rc))! f! F3 z7 Y" @, Z
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printMessage("Failed spPrtRequest");
' M% l2 q' R" `3 I. ~( p# A return;
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CATIAlias_var spAliasBody = spMainBody;
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printMessage("Main Body" + spAliasBody->GetAlias());6 {* X. r/ ?" h* n) `7 a* y' G
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CATIBodyRequest_var spBodyRequest = spMainBody;
e( H6 B q) ^" } if (NULL_var == spBodyRequest)2 @; u1 m2 M' j3 }6 q, r
{
) k8 t1 R2 z, } printMessage("NULL_var == spBodyRequest");( @4 K- Q% h0 E* L- s
return;
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?# G O3 {3 ^. L8 |$ c8 J CATLISTV(CATBaseUnknown_var) ListResult;3 S4 d Y3 R, J$ }
rc = spBodyRequest->GetResults("",ListResult);
! B) C9 Y; L% ~" S+ q' e 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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if (NULL_var == spFeatureResultGeomElement); U" ^" W4 ^9 Q. D4 O" G
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printMessage("NULL_var == spFeatureResultGeomElement");; O6 w8 ?5 @, a7 ]. [2 ~: h
return;' h6 c$ x6 T- s6 j. @
}
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; g* i$ C' }: |/ p9 I CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
) g7 m* B/ m( G5 P: }4 P& P) f" q if (NULL_var == spTopoBody)
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printMessage("NULL_var == spTopoBody");. b: M' Y U, _! t% ?
return;
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+ K @* R: s: q CATLISTP(CATCell) cells;
8 ~# Z- {2 }# F, q; n spTopoBody->GetAllCells(cells,2); //get all the faces7 G+ }) t7 `! y1 i! p* L' O2 w
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char msg[256];4 W8 F$ |: i/ g m' O1 X( s, G
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());+ f0 x" U/ {4 M# }8 X) ]
printMessage(msg);
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$ m% B0 h8 D/ j for (int i = 1; i <= cells.Size();i++)
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~9 i2 G$ g% B4 k2 W CATCell_var pCell = cells;- b: `( [1 R% {" C$ A+ h
if (NULL_var!=pCell)
5 p& F/ a }, Y1 C# u4 A {
1 \* @$ c/ N2 _# `& L& g CATGeometry *pGeometry = pCell->GetGeometry();
, c" j4 m I ? if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face* A* ?9 n1 i3 v/ l* V
{
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$ `/ F) R# W( a: J) K1 t //CATMathPoint CenterPoint;7 ~2 m. W8 a# w; ]) l& u
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
& a' Y, V0 Y6 u2 I" `" K8 V% E4 o% ~ //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
1 R4 o2 Z% k* f* C9 f$ {, k //printMessage(msg);* u9 q& p, H- q+ a
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CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);* o$ v, z+ F! `0 Y, T8 w& ?
if (spBrepAccess != NULL_var)9 W' A& d1 g& _4 x& l! W
{
% F4 w: k) \1 C1 s G' d //assign color 8 r. b; r) m9 c0 j1 {. X
CATIVisProperties * pVisProperties = NULL;; G7 q0 Q! I( {2 Y1 C" j* q
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
3 v9 F' K: Z* u ~' a0 M' z) _ if (SUCCEEDED(rc))
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CATVisPropertiesValues ivalues;9 A( o) ~4 G: Y& x
ivalues.SetColor(0,0,255);" ]9 ? Q" [8 a
pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );% H2 @! V; R$ M' I( Q: M
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pVisProperties->Release();
- s! H$ v$ s3 F7 d+ v) t5 X3 C pVisProperties = NULL;
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//get alias name and persistentTag to add in the list$ k0 {' c: n# X: }
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}
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6 S3 A5 c$ ^, \0 r- R! d; N) H // End of User Code
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