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: Z- ^: ^* q" L% z, Q$ _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 !$ S* T# c5 N4 X; x( l: u' V
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@% L- ~! `% J% P[mw_shl_code=c,true], a5 ]& a" L. Y0 w( o% [7 y
//get the main body. p$ I: U+ p k& c) C& u3 ]* {6 P
/ {" _( Q) `0 d* H- U ---- -----
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CATIPartRequest_var spPrtRequest = spPrtPart;/ I) E. F% S2 B7 B; F% q3 a. c' O
if (NULL_var == spPrtRequest)
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2 W' L; X8 s8 O0 U5 G O9 e5 z0 v printMessage("NULL_var == spPrtRequest");" b, p4 G2 U' ], [+ L
return;# ?( T( ?1 y2 u
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CATBaseUnknown_var spMainBody;0 |7 h% l5 n: f( A; g6 }7 w
& Y- w/ \2 d; l rc = spPrtRequest->GetMainBody("",spMainBody);$ B) n- e: e6 t0 p- }! M4 c% e
if (FAILED(rc))
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: U5 `: r z" e2 |( O! i' D& I printMessage("Failed spPrtRequest");6 ~; J1 t: T4 ]+ f7 v& \% L* U6 p! q
return;
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' k' @8 _! j& |/ X0 ^ CATIAlias_var spAliasBody = spMainBody; H" H- ^% a! t j; F1 `9 ~$ `7 O
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printMessage("Main Body" + spAliasBody->GetAlias());/ k( Y1 M0 h0 _. Q: V5 t; f$ L
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CATIBodyRequest_var spBodyRequest = spMainBody;; [$ y5 m6 T- R N$ h' m
if (NULL_var == spBodyRequest)4 _1 j: N; ^- a
{
* e+ M3 b3 ^( S1 ]& I) n; T. G7 F printMessage("NULL_var == spBodyRequest");+ x- }' K# `' X2 K" v, Y
return;6 c' C0 @8 t4 Y- [% ?, b
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CATLISTV(CATBaseUnknown_var) ListResult;
7 M: Q$ y3 E. [% W rc = spBodyRequest->GetResults("",ListResult);
/ k( ~3 H1 H( V7 G if (FAILED(rc)|| 0 == ListResult.Size())
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printMessage("ListResult failed spBodyRequest");2 e0 e: k0 A1 ]7 B$ Q! e( v
return;
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/ @! i+ r/ I5 v F4 ^) R( C# I5 a CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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0 l* D+ z$ `0 ?# M6 O- u& M if (NULL_var == spFeatureResultGeomElement)% R' `( h/ x' I$ a
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printMessage("NULL_var == spFeatureResultGeomElement");3 y p: A" X4 l6 N- X
return;
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CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();
. e+ m2 I1 U C B if (NULL_var == spTopoBody)' R8 D& w. G; O; X& r/ M0 {) f
{
; [* Y, l& R& z printMessage("NULL_var == spTopoBody");
$ |6 W* B) M. P5 e) w' l return;
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CATLISTP(CATCell) cells;
! R3 c1 q* b, g6 ~; P0 ^ spTopoBody->GetAllCells(cells,2); //get all the faces# n$ f3 R3 y- z
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char msg[256];3 {4 k( ^1 L# x
sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());
. T" g' T/ B6 X1 R- t8 N printMessage(msg);+ ~9 H, x) R! `0 H" u
- Y) J. r0 [6 Q. J for (int i = 1; i <= cells.Size();i++)
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; T3 V8 D k8 Z0 q2 x, X9 u8 y9 j, ^; Y6 m CATCell_var pCell = cells;
; P# I8 A+ ]8 i1 Y if (NULL_var!=pCell)# F/ ~1 D. a6 J8 G
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CATGeometry *pGeometry = pCell->GetGeometry();! {: o6 P$ P0 I7 C, F" r& ~
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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//CATMathPoint CenterPoint;
/ l2 o Q) p! d$ x* B6 d0 Y, n5 f2 E //pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);
3 d6 v# [- p7 u. v, v$ [! n- N" Y //sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());$ _! a; l) \4 t
//printMessage(msg);! d# H5 j+ w, e4 k
1 J; q J0 s. { CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);4 y8 ~# J. [* y% |! \$ p" k
if (spBrepAccess != NULL_var)* E9 A0 ^! ]& Y! t
{
- e c ]' q* T# ?: D( g5 H+ p //assign color
" ~7 }9 v% q% x# Q% v; V, ~, n CATIVisProperties * pVisProperties = NULL;
3 o/ g; ?# S- D5 N/ A rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);
$ Q) D; ]7 u" @- s' |6 _ if (SUCCEEDED(rc))
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CATVisPropertiesValues ivalues;, T8 @; v) \5 M& S+ o
ivalues.SetColor(0,0,255);
" [) A! ]6 c/ k) S2 G pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );( b2 y0 D7 B; p" p4 J, }
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pVisProperties->Release();
5 | p& S g$ \8 f6 `& _9 y; W" K+ N) r pVisProperties = NULL;6 `) ^3 E' @1 i, k% F8 K8 f$ Z
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' O1 J5 F6 b+ t0 E, Y2 j t //get alias name and persistentTag to add in the list
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1 ]$ H2 ]4 P1 r( w V- b6 p // End of User Code' M& M7 e+ ^; ?: a( I
}
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