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) |8 U% j4 |/ |* U/ F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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//get the main body
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---- -----
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CATIPartRequest_var spPrtRequest = spPrtPart;
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printMessage("NULL_var == spPrtRequest");9 x0 V/ s9 N& @" ^4 q
return;8 z) }3 m# d% D R* j
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CATBaseUnknown_var spMainBody;
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0 {, \6 M t9 @( C rc = spPrtRequest->GetMainBody("",spMainBody);
5 T+ n% O5 C! H5 X7 v( f1 d if (FAILED(rc))/ a" e( v7 e1 q, I9 {
{
9 J/ ]# \$ ?8 E$ i) V printMessage("Failed spPrtRequest");8 Q! r- x# D! W4 N
return;
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' R( J8 B0 z; v# [9 L- M CATIAlias_var spAliasBody = spMainBody;& A! ]7 t: @6 W8 ]9 [' D' ^5 R+ c
' o& k8 m# j* V- ^- b; v printMessage("Main Body" + spAliasBody->GetAlias());
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: ^9 y, W9 c: v6 ~" k9 @! j# _& g9 ` CATIBodyRequest_var spBodyRequest = spMainBody;
. O. u- j1 Y; ~ if (NULL_var == spBodyRequest)4 ]* I s, {+ B; j" o
{
' e8 O( n/ e9 c% ~: v8 q, b printMessage("NULL_var == spBodyRequest");- [+ _$ ?- Z) B9 v( b& Z9 `8 `
return;' ?% e/ i1 t' r
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CATLISTV(CATBaseUnknown_var) ListResult;6 z! N9 f, }: ]6 ^! V
rc = spBodyRequest->GetResults("",ListResult);. N& A+ D* l7 d5 b
if (FAILED(rc)|| 0 == ListResult.Size())& o& ^9 o( |0 S A
{
6 ~0 | B. q4 y0 r4 t3 D printMessage("ListResult failed spBodyRequest");
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}
9 [3 L& o8 e% ]& O8 ~/ F CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1]; V; s- }" D, N, d5 _, N
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if (NULL_var == spFeatureResultGeomElement)
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printMessage("NULL_var == spFeatureResultGeomElement");
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CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
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printMessage("NULL_var == spTopoBody");5 N' W. T" y/ c( [! w2 m
return;# e3 h7 H3 l& R, R8 y+ t* e; E
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; T( T- K7 W6 P- _. ?" _ CATLISTP(CATCell) cells;
% ?9 i% ?* B2 V spTopoBody->GetAllCells(cells,2); //get all the faces3 q- [& s/ S3 g b3 S
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char msg[256];
b% z B% |. f sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
( W! Q1 ^. U! o; Z& d, v) J) F8 T printMessage(msg);
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for (int i = 1; i <= cells.Size();i++)% j8 @6 \: d- c( i: R
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CATCell_var pCell = cells;
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! O* U8 M7 k: f6 D) K3 u" E. e" } CATGeometry *pGeometry = pCell->GetGeometry();5 H" W8 n: H7 [2 U. ]
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face) c6 s9 }4 G5 K, V j+ ]
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2 O/ ^; ^+ c9 I$ \1 L) i //CATMathPoint CenterPoint;
8 }: e. F: x! o' U& z; k //pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
, |- s* e' [0 O //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
$ t6 T) r. f+ M' w( W //printMessage(msg);
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j9 \' Q4 z' N( |! q, K CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);5 K4 Q6 }5 u/ T
if (spBrepAccess != NULL_var)
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) p/ a# F& F& k; A: C //assign color
6 d8 u7 \/ C" J: \ | CATIVisProperties * pVisProperties = NULL;
/ D* h9 V' }& Z rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
/ o- T5 O% g# j+ G( [& W& z j7 i1 n if (SUCCEEDED(rc))
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, w, L6 Y7 D8 J8 B. p CATVisPropertiesValues ivalues;' y, e: b" A6 o( \, H
ivalues.SetColor(0,0,255);4 _2 }8 D; T2 L- c2 w& m$ c1 f
pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );; Y$ Q9 B/ h% x* Q" o5 ?) W
}
2 U4 S3 H# z: q4 ^( }- I6 ?6 x pVisProperties->Release();3 s: l; z& q3 j1 m) A" Z# b
pVisProperties = NULL;: o( T- f0 I D: ^6 p7 m- m. i: B2 r
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! ~0 K1 X) o% A" i6 ` //get alias name and persistentTag to add in the list
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// End of User Code
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