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5 _2 K" q% r4 V/ V1 t# \' U, N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 q# Y5 z+ Z8 E% t; M
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//get the main body
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---- -----
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CATIPartRequest_var spPrtRequest = spPrtPart;
# s' M9 h" g( _ h4 ^" ]2 A if (NULL_var == spPrtRequest)
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$ u$ a" t8 w7 S/ K. j7 k printMessage("NULL_var == spPrtRequest");: V$ B) o) x* U7 E
return;
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CATBaseUnknown_var spMainBody;' r$ P) J6 Z9 ~- z
& n. O7 U# J) B rc = spPrtRequest->GetMainBody("",spMainBody);, f9 [4 v/ {3 I+ P! U5 C/ v
if (FAILED(rc))% ^: E+ K% Q% U* h
{
! v5 f$ i) i. c6 ` printMessage("Failed spPrtRequest");
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CATIAlias_var spAliasBody = spMainBody;
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printMessage("Main Body" + spAliasBody->GetAlias());6 P$ t1 p7 B2 W/ p- J0 h. i0 V! h
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CATIBodyRequest_var spBodyRequest = spMainBody;/ q$ A9 B% j" m# a; A: |7 e' b* l
if (NULL_var == spBodyRequest)
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printMessage("NULL_var == spBodyRequest");
; I5 E$ |+ r( [ ~9 D6 {+ K return;
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2 C4 `4 O5 N& c$ _ CATLISTV(CATBaseUnknown_var) ListResult;( U1 j: ?4 v9 y* b: ?
rc = spBodyRequest->GetResults("",ListResult);
a9 m+ Z, J3 G& H9 R if (FAILED(rc)|| 0 == ListResult.Size())+ r% j) n5 @. t1 A
{
" G6 \2 M6 p( T: I3 h' f9 @2 \2 P printMessage("ListResult failed spBodyRequest");2 z2 c- D9 P4 ^1 i0 W0 a' R) `
return;- L, {7 J3 ]# y3 B+ W
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CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];2 Q; D" W* H: T$ g3 q/ O; I2 q9 f6 Y
8 S! T1 S9 g* t( O, [8 U if (NULL_var == spFeatureResultGeomElement)& G4 y, A/ H \! C) g3 ^
{
) M) \0 @* i; E6 q1 S printMessage("NULL_var == spFeatureResultGeomElement");
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}
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( T8 D) C# @2 W5 G8 H6 O CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
/ d( E8 ?7 b5 K* H3 U if (NULL_var == spTopoBody)
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7 A4 U( X: J' H) Y8 H: f/ [ printMessage("NULL_var == spTopoBody");
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CATLISTP(CATCell) cells;, d8 O% C; @ a5 F+ D4 Z1 ^9 s( K
spTopoBody->GetAllCells(cells,2); //get all the faces" o# z$ k( y/ F3 U1 A' i
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sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());: i) d, G2 l- X9 x, l7 _- o1 Z
printMessage(msg);
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for (int i = 1; i <= cells.Size();i++); S4 F3 a& E: [8 {5 Z
{
/ O) t( q3 _1 Q5 n5 W" b CATCell_var pCell = cells; y: d/ B5 Q$ b/ h2 X n- \
if (NULL_var!=pCell)9 c2 p7 R* N6 d% x# P) L
{
7 K" @: M. e' i3 V, x CATGeometry *pGeometry = pCell->GetGeometry();
. j3 ^0 f3 F1 X+ `+ P if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;! a& O, D8 p! X3 l% s/ Z3 s& x9 R
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);, n+ J: l: [! ]
//sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());( i/ o! `! [9 j1 c/ d( S. I
//printMessage(msg);0 p' i; }& q' s, l
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CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);
! G- Q* \+ L0 F. r/ k% F- ~ if (spBrepAccess != NULL_var)
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0 @6 o8 b8 v6 O) g; a5 [; x+ ] //assign color + P3 b) M; e( e$ T
CATIVisProperties * pVisProperties = NULL;" b8 O6 h# x3 H" D' ~; h0 S& O- n
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
3 u, u% O; L; s/ `, Z if (SUCCEEDED(rc))
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0 o/ {& n& O7 s7 ]# } CATVisPropertiesValues ivalues;
J6 Z% j* q) ]( ~; h/ X/ D ivalues.SetColor(0,0,255);, A0 ~1 B# q( a. i4 F
pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );
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pVisProperties->Release();- ?$ u# ]! Z1 o5 a; O
pVisProperties = NULL; b+ Q5 G, `5 q4 z% H5 y9 V1 P
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//get alias name and persistentTag to add in the list* `* D! u' m. N3 Z: e
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+ l' F: ~1 Q+ f- @( w3 i6 v$ y2 z. P // End of User Code
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[/mw_shl_code]0 A4 }* l1 M0 J6 y* l
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