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- |; N7 n% ~; n* p0 N& V. S4 m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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[mw_shl_code=c,true]+ t" V4 Q3 Z4 e9 v* O
//get the main body- B( Z" J9 b/ w' l! O
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CATIPartRequest_var spPrtRequest = spPrtPart;
* w1 \% \1 O* o- D if (NULL_var == spPrtRequest)5 A$ P9 [7 y% h3 g1 T
{
! b5 z: T% c: @' b5 y7 ]( { printMessage("NULL_var == spPrtRequest");( R. u) {& L7 u# O
return;0 T( @6 Z, a; W: s# W
}
" |' C, t. O, M, H$ W* V" {0 N CATBaseUnknown_var spMainBody;
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' R$ P( B9 K9 O* Z/ s rc = spPrtRequest->GetMainBody("",spMainBody);- m4 h" O" ^! w" C$ S% W
if (FAILED(rc)). y7 y( J. u/ r, K5 G
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printMessage("Failed spPrtRequest");
7 S5 G+ g U5 w% m: G3 _ return;
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CATIAlias_var spAliasBody = spMainBody;
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printMessage("Main Body" + spAliasBody->GetAlias());8 l2 L+ F1 P6 |% h% s. A
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CATIBodyRequest_var spBodyRequest = spMainBody;
8 q( q- ~& ^2 O& Z if (NULL_var == spBodyRequest)- U# g$ P6 g* @( |. N, z
{
' _ }9 S# Y1 E5 b' c printMessage("NULL_var == spBodyRequest");: J+ g+ A+ C. C: y5 P2 u8 e' Z0 S1 O
return;
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CATLISTV(CATBaseUnknown_var) ListResult;
1 Z' H" g+ b, X- S- J- F rc = spBodyRequest->GetResults("",ListResult);
7 I: L, n0 h) S2 N) [7 U& R4 _ if (FAILED(rc)|| 0 == ListResult.Size())
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printMessage("ListResult failed spBodyRequest");+ c; {. r( ~ E" z# j! n6 [: n
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CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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if (NULL_var == spFeatureResultGeomElement); m+ A. h4 q1 @+ F+ t0 Z- V. N- n
{
+ @* y7 W% Y, T) N& P printMessage("NULL_var == spFeatureResultGeomElement");3 [( m: _! v+ _2 b$ D
return;! v0 I' g i4 W0 I
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CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
& s% B5 l/ Q7 X/ s7 Q8 U5 r$ E if (NULL_var == spTopoBody)! w' A) X9 K' u
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printMessage("NULL_var == spTopoBody");( i: G4 I; @7 t/ b$ f' S- b
return;; {+ y! Z% l1 \2 B* K
}
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& N+ m* L& w: ^) J" P0 ?7 ^ CATLISTP(CATCell) cells;
! l9 b) ]/ j" s spTopoBody->GetAllCells(cells,2); //get all the faces
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sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
1 _2 X/ i# _) n% H; | printMessage(msg);1 v/ ^$ ?# J8 O
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for (int i = 1; i <= cells.Size();i++)
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. R! ?" Y6 R- I0 O CATCell_var pCell = cells;: [/ e& V; g; ^5 @( w
if (NULL_var!=pCell)
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CATGeometry *pGeometry = pCell->GetGeometry();
R, J# P* q4 S+ ^ if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face, H" q- r( z/ H4 A$ |3 |2 L' x3 }
{
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9 \# P; C& K3 ^$ L+ K4 _ //CATMathPoint CenterPoint;+ O0 o; ^, U" \) W: Z' ?
//pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);& _ E+ `$ _5 U5 L2 a' P- u
//sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
5 b6 D; U; F. ` U9 | //printMessage(msg);
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& \4 v( S$ a2 H" _6 q; G CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);
( z: c* g* k5 R/ `* j7 x6 {/ ~ if (spBrepAccess != NULL_var)
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9 A& {! N- e( J$ g5 G4 z, ] //assign color
# V% N( E5 V1 s R) g5 n% m, b8 O: q CATIVisProperties * pVisProperties = NULL;% A0 p+ ?! { V: N5 [# G0 k
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
- w* `! B( g; ~. i if (SUCCEEDED(rc)). i. J5 r/ q, f. y+ c1 `4 x
{
: x0 o9 b$ O! a; F CATVisPropertiesValues ivalues;
+ O2 K1 \/ m9 o( r2 t" c ivalues.SetColor(0,0,255);: z5 Z' I o1 E0 ?: B" d3 O1 i
pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );6 C/ o$ v, M* b$ o2 r# d: I
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pVisProperties->Release();
1 k- Z" O7 y# l$ n! d: t pVisProperties = NULL;5 g/ g+ W6 K9 {- U% h" M
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}
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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 Code6 y+ X( K0 G: E$ B# j# y; C
}
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