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% D' @4 f1 U0 u, c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 !$ P& m9 _- n5 @% h% z1 t- T
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//get the main body
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, D) @/ |2 u) u2 a& T8 t ---- -----9 |" M6 V r# z6 m+ k
{
3 p6 e2 T4 @: [- |' G3 G! g CATIPartRequest_var spPrtRequest = spPrtPart;9 ? `; E% u" m/ I3 y
if (NULL_var == spPrtRequest)! ] X- d7 b9 P4 S$ W0 t
{
1 \( ~" S: c. D2 P printMessage("NULL_var == spPrtRequest");9 L2 A* F" }' ]7 D: |) ^
return;. f1 t( n( u+ k$ v: N
}
) f. m0 S" A' R4 c8 A# ^, ` CATBaseUnknown_var spMainBody;8 D# E, Q% X$ P/ F3 v9 y
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rc = spPrtRequest->GetMainBody("",spMainBody);' J( d$ l4 o8 x; u3 J- i9 c
if (FAILED(rc))/ U3 Z# m4 b; {2 x% s: e
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printMessage("Failed spPrtRequest");+ l6 Z5 w: y# ?1 _& E5 w
return;
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, f) P. _. S5 A- f; |/ I) M CATIAlias_var spAliasBody = spMainBody;
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printMessage("Main Body" + spAliasBody->GetAlias());! j" a$ k$ Q7 _9 R$ h$ c
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CATIBodyRequest_var spBodyRequest = spMainBody;
+ l- m/ a j% g% U. n if (NULL_var == spBodyRequest), n' c) N1 ~1 O. g! ?
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printMessage("NULL_var == spBodyRequest");5 ?7 |0 p0 {! w8 w
return;
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5 Q9 `9 s8 n8 P; i+ l5 m9 e" {8 f& C CATLISTV(CATBaseUnknown_var) ListResult; w& A7 f: @+ @! H8 e# i
rc = spBodyRequest->GetResults("",ListResult);
5 e$ @% o' k: g# K* \$ h if (FAILED(rc)|| 0 == ListResult.Size())( o, u/ i, I. ^- R
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printMessage("ListResult failed spBodyRequest");
8 q* f' ]& P4 D6 E+ I return;
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( e( d( }# q- G3 e* y2 k CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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if (NULL_var == spFeatureResultGeomElement)
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printMessage("NULL_var == spFeatureResultGeomElement"); V- w- S5 B! D* p' C
return;# ?3 F! p* ]; Y( e, o3 V
}
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/ i @4 D% A6 I: D6 Q: V+ y CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
- Q$ J, S' v- j& ?; V+ ^ if (NULL_var == spTopoBody)$ U& _: U7 {3 d
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printMessage("NULL_var == spTopoBody");: q/ _9 p3 ~) K, S# N
return;
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CATLISTP(CATCell) cells;
/ c; z; U- t: W spTopoBody->GetAllCells(cells,2); //get all the faces. p7 Q2 D- O3 n) T8 x4 E4 @
4 J$ U% f2 F- ?0 x# A9 n6 b char msg[256];0 E7 h4 v& @+ b _1 D+ _
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());& K/ u2 l" Q, R, g! b( e( z6 H
printMessage(msg);0 P% Q( T6 { U" M J; Z
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for (int i = 1; i <= cells.Size();i++)0 w9 X! e" w/ i, R7 z Q& Z
{
- X% M" x. q( C6 h5 q7 l0 y! a% |( q CATCell_var pCell = cells;9 y$ E3 `" |& ]3 I
if (NULL_var!=pCell)
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, G+ c6 t- O+ |" Z# |1 N CATGeometry *pGeometry = pCell->GetGeometry();# b/ u) h' t2 P1 O
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face/ U) W3 p% \% O5 R* I: }
{
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//CATMathPoint CenterPoint;
- G4 H! I0 F# v1 Y //pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);5 ]4 b5 R% m( V% Z% g+ }
//sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());8 y: }' y; r/ i0 B
//printMessage(msg);5 p! B9 T$ a' O* J
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CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);
/ Q8 Z, r1 o/ @6 I# P" @9 N# H if (spBrepAccess != NULL_var)
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//assign color 7 E8 a$ p; b) \& }- ]
CATIVisProperties * pVisProperties = NULL;$ ?; q& g% {0 O$ W) J+ m' w
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);: @- \& Q' r* ^( {
if (SUCCEEDED(rc))* R, J7 x2 W9 M* [. J) _
{
4 R/ v. }7 h# b. L. ?$ [8 | CATVisPropertiesValues ivalues;
/ o9 d/ @- {+ m+ q$ M ivalues.SetColor(0,0,255);
$ A: `1 o6 B* \8 p) D) K pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );% _3 v7 b+ q7 M. p, R1 T
}
" f" ^9 U2 { N) T- K pVisProperties->Release();9 U* I4 D+ B# b) g
pVisProperties = NULL;
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}
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}
7 j5 O5 D8 U; U6 M% c //get alias name and persistentTag to add in the list: z1 T8 K* c3 j7 w2 w m3 y/ ~0 g
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+ i' P5 s' J+ U; b6 b // End of User Code5 O3 v( m/ O: o+ \8 x6 C" D9 M
}
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