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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 ！; i4 m) u1 U) a: F5 C
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[mw_shl_code=c,true]
; P/ n1 X! \8 D+ ^& D" U, K1 I& c //get the main body
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---- -----
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CATIPartRequest_var spPrtRequest = spPrtPart;
! E7 B. g Y7 |( p) B9 } if (NULL_var == spPrtRequest)
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printMessage("NULL_var == spPrtRequest");
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CATBaseUnknown_var spMainBody;
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, m0 t: `( j0 ?6 C/ R4 e rc = spPrtRequest->GetMainBody("",spMainBody);
3 y5 G" x! V7 I, X) L" w8 h if (FAILED(rc))" j0 y g& r6 Q/ H5 R
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printMessage("Failed spPrtRequest");
+ u! S, r$ l3 F# v7 C: D return;
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) k* G+ t. z3 t. [& Z CATIAlias_var spAliasBody = spMainBody;
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printMessage("Main Body" + spAliasBody->GetAlias());
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CATIBodyRequest_var spBodyRequest = spMainBody;, U2 l$ n c! y4 [1 j8 Y m, ]& _
if (NULL_var == spBodyRequest)4 x7 h7 v% X! l
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printMessage("NULL_var == spBodyRequest");/ s# [* o4 Z) y& X1 _" l5 W
return;
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CATLISTV(CATBaseUnknown_var) ListResult;
$ Y D0 p! b: Z! T6 G# s+ S rc = spBodyRequest->GetResults("",ListResult);
; I0 r/ y' j' ]5 @, U+ L if (FAILED(rc)|| 0 == ListResult.Size())+ V U! o6 B5 c: d2 ?% S
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printMessage("ListResult failed spBodyRequest");/ ]7 n# I' a7 s/ c
return;& h c8 i) [$ y/ x1 q( ?( w" }
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CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];+ ]& F3 m% x( M$ h. V
+ J1 M$ c% P: o2 p if (NULL_var == spFeatureResultGeomElement)
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: k3 b/ l6 G) | z: d printMessage("NULL_var == spFeatureResultGeomElement");- Y# B; k# z' I9 g1 E* S1 H( M
return;
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CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();" M" d/ J: u* r3 n8 U
if (NULL_var == spTopoBody)
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printMessage("NULL_var == spTopoBody");
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}
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2 N! J( @% v" y CATLISTP(CATCell) cells;
/ `6 j4 O. J! n spTopoBody->GetAllCells(cells,2); //get all the faces, p! c7 E1 r: O7 V6 ~! C2 V
" u$ ?8 G( [) V J char msg[256];
& i3 }5 }+ m! _% D sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());8 g* L+ y6 I1 I, c8 ` q
printMessage(msg);. v( T( f6 M! w) `. s# S% I
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for (int i = 1; i <= cells.Size();i++)4 U+ p, @6 \6 g Y) U6 N0 G4 x
{
" h3 ~0 n7 g. j W CATCell_var pCell = cells;
8 L8 K2 }3 ]- a1 A; ?. |* a if (NULL_var!=pCell)
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CATGeometry *pGeometry = pCell->GetGeometry();
0 u8 l' f" `2 L+ ]7 I if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;5 ~; K. d2 v0 ^$ V1 ~: I. s
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
, c- \2 Z: c( _& M7 p //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());1 u' P4 n R7 a
//printMessage(msg);& y% h) s! i# s# o! K
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CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);
5 {$ C1 L. y- H" u8 ? if (spBrepAccess != NULL_var)
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' U5 w& B" x" j) F) N //assign color
9 t4 k( h. q U) q- } CATIVisProperties * pVisProperties = NULL;8 A2 Z/ |, G' q
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);# b9 v3 v* m8 Q" Z. e+ W: `- w2 a( o
if (SUCCEEDED(rc))' c/ h [5 G Z6 L9 P
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CATVisPropertiesValues ivalues;" F- d$ R! Q V6 \" H8 A- K. h0 E6 P
ivalues.SetColor(0,0,255);# ?( L/ g$ U' B
pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );
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pVisProperties->Release();
) G8 t) [3 u0 X6 Y9 r/ ?: L pVisProperties = NULL;
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//get alias name and persistentTag to add in the list2 k" h( `+ m! K+ J4 f w' \) K
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}
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2 U4 v {9 O- P. A // End of User Code5 T( X# Q# k2 _
}
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