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, d1 P0 d- [0 f2 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 !
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[mw_shl_code=c,true]
6 l8 H; L( E& D5 j2 M6 S //get the main body7 @' q) m- i% B u$ |6 Y2 o
7 Y! I/ v+ A- a, ?- h, F! w8 v ---- -----: T# `& u. T, V( r
{
0 O' V6 r/ V' P, D CATIPartRequest_var spPrtRequest = spPrtPart;
- D1 ?8 v3 }( t& r0 K if (NULL_var == spPrtRequest)
- I E- J0 R) p. L7 O4 U {
8 R2 ]6 o8 U& t% `' s; x printMessage("NULL_var == spPrtRequest");
8 c G: u# F' `6 b3 X+ d return;
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CATBaseUnknown_var spMainBody;3 E& X, K" ], d, m6 r
( N9 u5 P2 Z3 M" ^6 N" p rc = spPrtRequest->GetMainBody("",spMainBody);" a7 G) f; ^: W+ v
if (FAILED(rc))
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printMessage("Failed spPrtRequest");( ^2 T5 n# u$ y! l
return;+ B9 Z- z8 I" d( H N
}
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CATIAlias_var spAliasBody = spMainBody;
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printMessage("Main Body" + spAliasBody->GetAlias());
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CATIBodyRequest_var spBodyRequest = spMainBody;
% B% x0 t+ y/ H" J: k if (NULL_var == spBodyRequest)' v7 q' p3 P% R/ M7 e# O
{
$ v; j0 w5 C/ A& ]% Z printMessage("NULL_var == spBodyRequest");
! c; `0 s# e. o; z e$ D4 H+ U return;
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9 h" l, ?. h* E/ X* } CATLISTV(CATBaseUnknown_var) ListResult;
* X0 ^7 F) ]8 ?" S7 L% k+ |2 W rc = spBodyRequest->GetResults("",ListResult);! i( L+ Y" n" Y4 ~9 q. v& k
if (FAILED(rc)|| 0 == ListResult.Size())5 j/ X+ p+ G/ I* e* U3 ?( o
{
$ R) ^4 J$ S. l; E9 B; {8 Z4 v, Z printMessage("ListResult failed spBodyRequest");
$ W6 z; g5 @6 z+ X! ~" r return;
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% {5 H* g7 a# R& B6 m CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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if (NULL_var == spFeatureResultGeomElement)8 ~1 p# p/ a5 j
{
; d$ S" W0 f- M printMessage("NULL_var == spFeatureResultGeomElement");
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2 L0 G& L/ d2 Y: D1 p3 ] CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();+ r' Z7 c7 @/ g/ w! t+ n, ~
if (NULL_var == spTopoBody)$ a* z8 f) T' s" U- Z: F
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printMessage("NULL_var == spTopoBody");
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$ S& j2 X: M; I8 d CATLISTP(CATCell) cells;# g6 i3 Q8 J$ u5 N/ X7 R
spTopoBody->GetAllCells(cells,2); //get all the faces* J4 Z9 R6 {4 Y' a+ T
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char msg[256];! }( {9 T5 ^: {% K/ A& d0 g5 c
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
7 a6 a7 H. W8 L, N- x$ M7 f printMessage(msg);% ~7 U1 v, E% B% q
7 ~* {; m: X% M1 s# R0 Z for (int i = 1; i <= cells.Size();i++)
! y7 I- `$ J( d( j7 m {
- _ z5 ~3 g# \( f CATCell_var pCell = cells;* U' v- M A: P5 g0 b" B+ A* u0 M
if (NULL_var!=pCell)0 w6 Y0 @6 X3 D5 @# g
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CATGeometry *pGeometry = pCell->GetGeometry();
* ~% U' }) e) k9 \ if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face Q, w+ Q. H" s0 d a8 s$ l
{
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//CATMathPoint CenterPoint;
! R4 A0 F) N2 J8 P: ?3 m2 g# u/ R //pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
- J- q$ F3 a! j3 j5 M c4 y //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
( u& |- N. f3 m( p8 t //printMessage(msg);
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% ~( ?9 H. r( H# }; V W CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);
+ f0 r& P% M1 M0 K- c if (spBrepAccess != NULL_var)0 x2 N5 p4 k1 S1 w
{
& g$ k$ K) t# M; q //assign color
7 a8 a ^6 F/ S( b; Y' Z$ Z CATIVisProperties * pVisProperties = NULL;
0 A1 O4 Z4 r& Y' Y. j/ j9 \* H rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);* M6 Z% y7 ~9 y
if (SUCCEEDED(rc))
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" X* z' o8 {+ O5 }6 { U) N" m CATVisPropertiesValues ivalues;0 }/ P0 P6 |! m5 t; J! x
ivalues.SetColor(0,0,255);
% h0 f/ l& t+ M9 T* ] pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );
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pVisProperties->Release();
& E$ z3 J: x6 p( c pVisProperties = NULL;
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0 c2 t6 ^) C" Y. |' Q //get alias name and persistentTag to add in the list# ]3 V& C6 O U9 b
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}
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}
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- q4 E) f; c3 L' \7 g; V // End of User Code
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[/mw_shl_code]
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