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; }5 Q% G: H4 B; H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 !3 ~1 r+ P/ P0 v
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[mw_shl_code=c,true]$ j/ }; q: H7 u: A
//get the main body
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/ t6 b; A% l3 c7 b( c9 O! ] ---- -----0 L( c9 Y2 q- @5 P% h$ z/ p
{
5 ?2 p \6 i: |: ?, A' W! V CATIPartRequest_var spPrtRequest = spPrtPart;
8 J4 t( Q6 k5 A D if (NULL_var == spPrtRequest): O4 e- y G0 Q( h
{
+ `! X3 z" l: e1 p& Z printMessage("NULL_var == spPrtRequest");
) S. {7 e; E8 ?1 ?( A return;
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0 w$ J" [3 }" n$ B2 Q+ ?' y CATBaseUnknown_var spMainBody;
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' k# P. a6 d8 W6 ] rc = spPrtRequest->GetMainBody("",spMainBody);
- |5 [( s; e$ k2 q if (FAILED(rc))
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/ ~* j* i) n9 x% b/ V7 X printMessage("Failed spPrtRequest");2 F d. ^* N/ ]+ {' E
return;) H/ t. ~$ v/ Z6 x" } s4 l
}
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: O f+ L q+ q5 F0 f/ }" V CATIAlias_var spAliasBody = spMainBody;
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printMessage("Main Body" + spAliasBody->GetAlias());5 Y' c8 p: G, a) B0 y6 }% u* e8 K! }/ u4 _
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CATIBodyRequest_var spBodyRequest = spMainBody;
! ]9 }( F- z$ x& S. M if (NULL_var == spBodyRequest)
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% O3 I- \# H$ C! q# \5 { T8 _ printMessage("NULL_var == spBodyRequest");4 }5 q2 V3 h0 C% X
return;
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CATLISTV(CATBaseUnknown_var) ListResult;
3 R# l q% ~! l; }$ a rc = spBodyRequest->GetResults("",ListResult);/ l3 R( d4 W% M, T D" e( `* E
if (FAILED(rc)|| 0 == ListResult.Size())6 C' E; T. L* N* F0 f( o) f
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printMessage("ListResult failed spBodyRequest");
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CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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( ~ J* V% |' L9 ?( @$ n/ f% o if (NULL_var == spFeatureResultGeomElement)
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printMessage("NULL_var == spFeatureResultGeomElement");
- {' _! J# Q% D return;
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6 a+ O6 u' [9 K CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();9 O, w) Y2 H6 Q D0 W
if (NULL_var == spTopoBody)6 |8 L. W( ?! x
{
3 C$ ~6 r" k6 k( W% K printMessage("NULL_var == spTopoBody");
3 e$ D$ Q- d: b7 M return;
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CATLISTP(CATCell) cells;
j. z W% P s+ q1 |8 j spTopoBody->GetAllCells(cells,2); //get all the faces
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char msg[256];3 w1 ^6 A, K+ p% G H( x1 s/ K
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());$ k) ]# |7 @* z8 I0 X( }$ }+ l0 |( w
printMessage(msg);
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$ \$ I3 Z$ c1 o! N+ E2 c' Z) k for (int i = 1; i <= cells.Size();i++)% D: G% [8 x: w; b/ H+ F+ T
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CATCell_var pCell = cells;
5 q- A0 x, w% s6 H$ E$ {+ W if (NULL_var!=pCell) i7 i, v+ w% N$ b
{
: O: K; {' T' U# w0 F CATGeometry *pGeometry = pCell->GetGeometry();$ f( z' b% E: r$ G2 F8 [* x P
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;
% v4 i9 Y( ]$ O //pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
( S1 ?7 F2 F" X. X. d. s //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
7 E, p8 V4 w: D6 u& V6 ^$ m0 ~$ s //printMessage(msg);
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' ]5 w3 ~0 [: P! w, n, a* u CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);4 z" _1 w8 Q$ g* ?5 e
if (spBrepAccess != NULL_var)2 ?# H0 @; i: T( m( U
{
" z8 D% p% ~* V4 a* J# @: C6 E //assign color
% n; C( ]. C' B- V0 `8 K" v CATIVisProperties * pVisProperties = NULL;
7 J' j/ L" h6 T9 j6 f rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
! y3 |8 | n* A% d8 X if (SUCCEEDED(rc))4 _, ^5 c- n* x: C( I! U! k
{
4 M/ K0 G$ e8 a" V7 } CATVisPropertiesValues ivalues;
% O9 C; Y/ M, }! v/ r ivalues.SetColor(0,0,255);2 p) B( z% w4 n- l Q/ ]8 l1 k) p4 y
pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );
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8 `/ S& s' P4 ?: z& J4 r# s pVisProperties->Release();. ` K: Z! s9 C6 @
pVisProperties = NULL; s; i2 u e5 U6 E% I) ]
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}
5 f z: w, B5 M( @: N //get alias name and persistentTag to add in the list
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, V1 Q2 q3 T2 r0 i // End of User Code& [/ k$ b1 S2 {' C2 y
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[/mw_shl_code]! Y# ?; n5 v' U; A9 H. |
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