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* V( ~7 H, J6 s" `9 u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 !. E" g" U" d6 A# i* o) w7 y7 x
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[mw_shl_code=c,true]
# ^; F( E& c7 v y //get the main body
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0 w, J( E! ?1 I! c ---- -----
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CATIPartRequest_var spPrtRequest = spPrtPart;
b9 z$ G) x' q& l# b- x if (NULL_var == spPrtRequest)
5 H+ p. j5 Y7 w1 v- |3 F {
5 p: X; o& d. h$ M2 H& v printMessage("NULL_var == spPrtRequest");
: K/ O$ p( R- a; o4 ` return;$ Y3 e' p9 e0 z
}
5 ?4 c4 i+ ^ E6 d" S) U% E CATBaseUnknown_var spMainBody;
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rc = spPrtRequest->GetMainBody("",spMainBody);
. J) l& S7 d& I$ l6 V. r& ? if (FAILED(rc))
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printMessage("Failed spPrtRequest");/ i5 U+ `4 j: P: j
return;5 t. J! F- k7 z
}
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3 R9 J, y+ ^2 P1 E) l CATIAlias_var spAliasBody = spMainBody;+ y" j& p# P% f" {0 c/ a @
/ L$ R( k1 P; V' H printMessage("Main Body" + spAliasBody->GetAlias());) |" X7 ^# m' e
" m* l6 M" G9 @% ^ CATIBodyRequest_var spBodyRequest = spMainBody;
3 Q" k* S2 y+ Y7 [+ Y5 {; |4 e. ^8 k if (NULL_var == spBodyRequest)3 H" ?& @* g4 o( |
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printMessage("NULL_var == spBodyRequest");
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}
0 E4 P& [& B; C' \& B CATLISTV(CATBaseUnknown_var) ListResult;4 f W. X: J" d
rc = spBodyRequest->GetResults("",ListResult);% m7 K- | r! n1 u# `6 W
if (FAILED(rc)|| 0 == ListResult.Size())
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printMessage("ListResult failed spBodyRequest");3 ]1 A' [& j/ `/ k" ^2 O
return;
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5 w' ^ v$ w" B% q& a/ h4 \7 y CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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9 ^7 K* \5 C! R if (NULL_var == spFeatureResultGeomElement)2 v( U) g0 |$ F" e* s8 n
{
4 Z) \ L- q0 r9 A; D: {8 Y printMessage("NULL_var == spFeatureResultGeomElement");
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+ r$ e) j; g% W* I6 v CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
4 ]4 }4 \& }+ u J/ b if (NULL_var == spTopoBody)) b2 a, R- P# p
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printMessage("NULL_var == spTopoBody");
( A% U3 \! ? v0 u return;
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CATLISTP(CATCell) cells;
* _/ ]# R6 V# K+ V* U. x spTopoBody->GetAllCells(cells,2); //get all the faces
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char msg[256];+ p* H7 t6 b1 ~& V/ \" { g# d) {* L: J
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
# t, L H# R' \8 C printMessage(msg);
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for (int i = 1; i <= cells.Size();i++)* o4 y/ z% Z; x: [0 `* |( g
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CATCell_var pCell = cells;' a( Q" t' K8 I. @: D
if (NULL_var!=pCell), U, ?- a9 X+ ?
{
& B1 r) _" X; ^ CATGeometry *pGeometry = pCell->GetGeometry();
5 N! F0 F) J% d+ j4 |+ }' Q if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint; o; n* z. X/ o" \$ R0 ?
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
, b; [) O% a2 p l5 ^% O3 {, ? //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
( e! L* @9 c8 p4 w1 Z //printMessage(msg);
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5 c$ \) q s: t$ u4 k _) [0 N& A CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);
( K( e1 o9 K! `& V9 G' P' r if (spBrepAccess != NULL_var)
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4 e9 J$ g3 W) A8 G$ }& n) S0 B# D //assign color
2 ~/ c( C& f4 V CATIVisProperties * pVisProperties = NULL;; H4 E9 m9 ]$ n4 ]$ C" {
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
! u7 W; J' W0 v- n, J0 a if (SUCCEEDED(rc))
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CATVisPropertiesValues ivalues;, b* c7 {* ?3 M$ t) M
ivalues.SetColor(0,0,255);2 V+ U3 C* q# E3 R' X& @0 q U
pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );% F, G3 _: T% y. j+ U
}
) Y. @: B8 ^; T pVisProperties->Release();, F0 \3 Q+ x' q" e& S
pVisProperties = NULL;( ^! n0 f& D2 T
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//get alias name and persistentTag to add in the list
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}
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// End of User Code
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[/mw_shl_code]; a( @# Q# F& }5 p) t, {# G3 J6 \' |9 w
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