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! i( I5 {" l+ s7 P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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+ R" H% Z; b* N[mw_shl_code=c,true]2 P/ v+ g4 n/ V- |' f+ X0 F
//get the main body
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---- -----
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CATIPartRequest_var spPrtRequest = spPrtPart;
) [8 g" _' w; J if (NULL_var == spPrtRequest)# `5 _: Y( a$ B- o z6 q# L
{
6 d. r; K% O4 A/ ~7 S: @ printMessage("NULL_var == spPrtRequest");6 a) l" ^$ n& h
return;
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CATBaseUnknown_var spMainBody;
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rc = spPrtRequest->GetMainBody("",spMainBody);
5 c2 Q% M3 ^' a3 G; t0 [: B9 N+ M if (FAILED(rc))
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printMessage("Failed spPrtRequest");
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CATIAlias_var spAliasBody = spMainBody;& l3 m7 R5 P _8 Z9 O
! W" |$ E7 m* M printMessage("Main Body" + spAliasBody->GetAlias());
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CATIBodyRequest_var spBodyRequest = spMainBody;$ ^/ u* G9 ^6 c% J
if (NULL_var == spBodyRequest)
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0 d: E* U4 n* T5 I8 R2 y. p$ s8 o& [: P printMessage("NULL_var == spBodyRequest");6 \6 P: G6 |/ \4 ]9 m# Q3 I
return;
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CATLISTV(CATBaseUnknown_var) ListResult;# T5 L. E5 y$ f. Q0 P
rc = spBodyRequest->GetResults("",ListResult);
" ^! k4 R" Y( B if (FAILED(rc)|| 0 == ListResult.Size())6 J; S4 e3 U& o, b5 G! ?0 t# t3 f
{
8 {: W/ O, c, N printMessage("ListResult failed spBodyRequest");& S. f* H. w: \$ u
return;
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9 I# @( y7 N2 v3 L& |) { CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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if (NULL_var == spFeatureResultGeomElement)
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printMessage("NULL_var == spFeatureResultGeomElement");
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' l0 S0 O( |3 R. j. e CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
4 h( Q6 B5 a4 b, b O! z if (NULL_var == spTopoBody), m2 ^2 \: P6 W1 H' C! r
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printMessage("NULL_var == spTopoBody");; x7 c, q* P; O6 H( d, I
return;4 j% K" h2 _3 }& h& }# s: G
}
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, D* P; [+ q+ u7 T# c" p! \ CATLISTP(CATCell) cells;& T9 Q3 j0 y; L+ X; E8 l! [
spTopoBody->GetAllCells(cells,2); //get all the faces. F) I7 s9 \; Y/ Q- M+ t+ J
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char msg[256];
7 X1 S7 s* O$ X3 [( k0 q0 X7 p2 | ~ sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
& m1 @5 o! J( k7 a9 N4 {, N5 U printMessage(msg);
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* o; U% H8 |: Z) z m for (int i = 1; i <= cells.Size();i++)+ ^2 C, x3 a. f. v' w
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CATCell_var pCell = cells;
8 O9 @" a/ M% W q* o6 F if (NULL_var!=pCell)
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CATGeometry *pGeometry = pCell->GetGeometry();$ {5 H5 M+ p* J: Y* a' f( ~
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;. M; i. F7 l6 h, q; z: R
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
+ s2 V `7 E+ E& N/ B( M //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
& N! q& t* F6 U( T //printMessage(msg);
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) b! G# @: A) H( F+ ~ CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);( X- {* R9 C4 @1 z* b
if (spBrepAccess != NULL_var)
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//assign color
" P4 B. v" S1 K0 h CATIVisProperties * pVisProperties = NULL;
) l+ _ F$ _8 w, U. ~ rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
, R! w; x. V# Z s$ d if (SUCCEEDED(rc))9 l9 H$ a: l1 S" I! A
{
1 M% @& ]7 r" l1 T CATVisPropertiesValues ivalues;
5 q% ?7 E5 X9 k) t ivalues.SetColor(0,0,255);
8 i5 w7 |% a$ ^' ^* V4 g& O2 ~ pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );1 H' E+ q8 Z) b
}
1 a6 l* l# M) h: g( C pVisProperties->Release();
1 v( H' H# E' a1 H" _) s! E7 j pVisProperties = NULL;
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}
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//get alias name and persistentTag to add in the list& W# P3 I% F" M; z) o1 ^% i
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// End of User Code
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[/mw_shl_code]
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