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( O+ G9 r5 W/ \! q- j) e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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1 ^5 R9 T9 H- e% ] e. B/ A[mw_shl_code=c,true]
+ n* d0 o) Z0 m8 Y7 D //get the main body. z0 n f- F1 L. i0 Z
+ j3 H" ?( k# R |8 d8 t
---- -----# r; k6 N; @9 `( U A
{
) e+ d4 T0 L9 @) J' c9 J5 T2 N CATIPartRequest_var spPrtRequest = spPrtPart;/ _9 S. ]/ ^2 J0 ]+ b; }
if (NULL_var == spPrtRequest)
+ G# k$ ]& x- Q' a4 M {
' w9 o# t( o0 F: K' B0 j printMessage("NULL_var == spPrtRequest");" P9 j2 X* W: E/ m) ^
return;
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% b/ _4 P8 q7 @! F CATBaseUnknown_var spMainBody;( H& @) p/ S, U' m: |5 X& M0 A
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rc = spPrtRequest->GetMainBody("",spMainBody);
+ V' J# m0 f2 [. I: `, [5 X if (FAILED(rc))
# o* n0 Q$ p2 J1 V' @# o {
( d% I2 R# I, m# X printMessage("Failed spPrtRequest");
2 n4 i/ D9 Y+ N8 a. w/ k5 Z return;, e. V$ D+ \8 y! t- t2 I
}
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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;
# T+ B1 C; F( X2 o3 \) f3 x if (NULL_var == spBodyRequest)/ b$ t# V8 {" h, J0 [8 P3 F6 E- _
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printMessage("NULL_var == spBodyRequest");
3 G; g/ j& G- }7 S7 K9 o return;
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CATLISTV(CATBaseUnknown_var) ListResult;7 E' @8 O3 Q7 g' _8 c. g
rc = spBodyRequest->GetResults("",ListResult);
( @" U) Y$ [9 S1 q if (FAILED(rc)|| 0 == ListResult.Size())
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printMessage("ListResult failed spBodyRequest");+ [6 b T/ _, @( V. m& q
return;
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% t1 C/ f! P. r1 X CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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if (NULL_var == spFeatureResultGeomElement)6 i0 e* y$ S/ _0 C( k
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printMessage("NULL_var == spFeatureResultGeomElement");
; g/ J8 V) z2 h return;
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5 Y7 S) _/ K1 o- i+ I( } CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
& z; z8 a9 D- M# ~ if (NULL_var == spTopoBody), g6 J e2 U# Y4 H9 i1 `. _
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printMessage("NULL_var == spTopoBody");4 |/ J5 _: \4 ^& H
return;* h: `) h9 I( L9 h; q7 \
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6 U0 z5 e" W; N+ z3 r$ n! B CATLISTP(CATCell) cells;+ C5 N( w0 X! J4 k/ h! Y
spTopoBody->GetAllCells(cells,2); //get all the faces/ k" ?( ?3 ]1 [& f4 [5 y" C
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char msg[256];1 `5 B# y& X& ?' _- A/ w8 i; S
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());, w; p3 N% i: p$ | l2 s
printMessage(msg);
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for (int i = 1; i <= cells.Size();i++)0 ]& i/ a7 l" D
{
8 F* t8 K1 f1 w2 ~ CATCell_var pCell = cells;, t6 Z2 f5 D! n* k' E& m
if (NULL_var!=pCell)
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* Z! a# F. O) L9 r5 U4 B4 X1 h ] CATGeometry *pGeometry = pCell->GetGeometry(); d( B7 E {+ }1 h3 c/ S
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;8 F1 }" R0 X# `
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
/ U! y) m; ]( q* G //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());. d, u8 L1 p% s5 V
//printMessage(msg);
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CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);9 `1 G4 c$ r5 y( W) i
if (spBrepAccess != NULL_var)/ o7 B! B8 m; `' A
{
& t+ E1 m. ` _1 N7 L$ U //assign color
% L. y8 j' M# m$ f6 o) }; D CATIVisProperties * pVisProperties = NULL;
5 m) G7 w* P$ A: e2 A8 {- c rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);. N8 T& X; j9 }# {' o* E
if (SUCCEEDED(rc))5 V) I! w1 l# i. _: u- B! x% F' `. y
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CATVisPropertiesValues ivalues;% f) c: I* x e/ M) \
ivalues.SetColor(0,0,255);
- D* O8 z. n3 S2 A$ u" ^; d pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );4 T U7 m% u. _0 t; q l# p
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pVisProperties->Release();
& w' `: k6 R3 F, q. Y pVisProperties = NULL;# X: Q+ r* U3 @0 _* b5 U
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$ }$ j" N8 w, f, U8 k" v( g. L //get alias name and persistentTag to add in the list" P. J2 N% s4 S
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}
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}
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, ?+ Y% W& B4 H- h // End of User Code
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% h! ~( ?$ l' O! X" {; N[/mw_shl_code]. X! ?6 ?+ y, x- F) W! D" c/ \
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