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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 !2 f- n3 {! J: N# {# S0 T; `
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1 z6 b; I, Q& D% N, y1 w //get the main body$ k' C- [& A H3 ?
% @4 }0 q$ k1 r- G6 u ---- -----* m A) O' m+ A2 I9 I
{
; U+ A U1 z8 b8 d- q# L CATIPartRequest_var spPrtRequest = spPrtPart;, g" O6 @ F8 ?& j Y0 o# e4 ?1 S
if (NULL_var == spPrtRequest)
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printMessage("NULL_var == spPrtRequest");
2 j+ d, f. [% `8 s return;
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. ~5 j) C- l. {# q/ w+ j$ \; _ CATBaseUnknown_var spMainBody;
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rc = spPrtRequest->GetMainBody("",spMainBody);5 X0 r9 ?% d% M
if (FAILED(rc))2 |& O: S' E& V
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printMessage("Failed spPrtRequest");- d$ \, }- r- B7 _. `
return;; _5 B) a# J) s: Y7 i: r( [
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CATIAlias_var spAliasBody = spMainBody;9 _) `4 V1 A+ `
3 N0 t( O* R M+ p printMessage("Main Body" + spAliasBody->GetAlias());
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! Z* c& l) [, K0 g( ?0 m5 f/ G CATIBodyRequest_var spBodyRequest = spMainBody;: d6 c- c! z" Z8 m4 e9 F
if (NULL_var == spBodyRequest)
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' Y$ B( v" v4 T* s/ ]$ K printMessage("NULL_var == spBodyRequest");
* A) p- W1 ^. W return;
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CATLISTV(CATBaseUnknown_var) ListResult;
3 @! n3 w7 q" X9 E: G! B1 r9 v0 r rc = spBodyRequest->GetResults("",ListResult);7 I1 q3 m5 I D; i2 ^
if (FAILED(rc)|| 0 == ListResult.Size())% ~- p6 L0 ?7 x3 e6 f
{
5 E. e6 p6 E$ g) G, q printMessage("ListResult failed spBodyRequest");& V3 Q# l5 X+ o/ B- x( S
return;
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: D0 j9 F% e; d" @, w CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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if (NULL_var == spFeatureResultGeomElement)- J1 q+ s* k2 W, n" _
{
$ ~" L( p! i5 _ printMessage("NULL_var == spFeatureResultGeomElement");! h# U( @9 E, E: K
return;( @5 ~7 G% b ~
}
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CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();. Z5 R+ o+ x* E a% }/ e5 l
if (NULL_var == spTopoBody)
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7 ]) b5 u5 K: H! K0 H* g printMessage("NULL_var == spTopoBody");2 H+ L6 Q4 K5 Q) G0 _: y
return;/ P9 V0 y0 _. Z/ _6 Y# |
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' k W% H4 A, X6 h CATLISTP(CATCell) cells;$ N& h/ ?- `; e9 h/ a, k. f2 d
spTopoBody->GetAllCells(cells,2); //get all the faces3 x& w. n+ `. _
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char msg[256];. q6 f5 s- Q% X( y/ \! }! c
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
1 |, ?) @6 T; E$ l1 b- t printMessage(msg);8 U8 s# ^) K) T
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for (int i = 1; i <= cells.Size();i++); U" c. h: |7 }( T# k% X, a( m+ \
{
8 }! W" I: ^& U# C CATCell_var pCell = cells;, s2 |7 l; a# K( O
if (NULL_var!=pCell)" c2 g0 C7 L, e9 a
{
6 }" t' Q" ]5 D* I) j X' P CATGeometry *pGeometry = pCell->GetGeometry();# ^+ V0 L# N4 e' m8 Y9 x% D
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face) J7 [2 s( r, `. E/ m8 L$ F# O
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//CATMathPoint CenterPoint;
. G% }7 @( \0 T! M3 a7 g, X4 |7 g1 z //pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
; v2 {) R* y: X) m) W( c$ W //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
5 U0 i) s" o" G/ [ //printMessage(msg);/ v: F2 r' Q2 W S7 `( @
* `- U1 ~" N5 ]9 }: M" v CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);2 ^6 h( E+ b5 n8 L7 C7 ?2 M
if (spBrepAccess != NULL_var)
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//assign color - P/ C+ } [3 ^2 P+ m2 v% A) }! q
CATIVisProperties * pVisProperties = NULL;/ S/ R; G& N. h2 Z# ]% ^9 D/ X# v+ a
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);7 Z: u2 q( `- Y& ]9 \
if (SUCCEEDED(rc))
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CATVisPropertiesValues ivalues;5 ]- V1 f. `/ ~1 V
ivalues.SetColor(0,0,255);
: m t4 u/ Q- c$ k& a pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );2 w. {' P5 F! n, i
}
" ~ V$ z6 C0 \% Y1 A% a+ Y- q7 M pVisProperties->Release();* E# G8 [9 N m. i% n% |+ V
pVisProperties = NULL;
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}
! {* ]4 w7 @: q0 H: A //get alias name and persistentTag to add in the list. D( \* M- H0 C! g. \, F
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// End of User Code, X$ G/ R+ G* m- L
}
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