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; p0 F" J3 }& h% K% t4 I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 !. J0 ?2 W% y/ m b
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/ H" O2 O4 s V O //get the main body
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---- -----
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' A; k, X* `+ k% c CATIPartRequest_var spPrtRequest = spPrtPart;
1 p& z( _9 l1 t7 J: q- O; H; W if (NULL_var == spPrtRequest)
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0 e. ?" t7 }* F3 g2 U+ A printMessage("NULL_var == spPrtRequest");$ v+ x" Z* U y# B2 |
return;% E" J4 r( a' @
}
L/ d3 C+ `( Z1 Q5 S CATBaseUnknown_var spMainBody;5 X+ G: |/ t5 U% Y. m
9 b" R4 p2 G' X/ [6 ]2 w c) E% [- [ rc = spPrtRequest->GetMainBody("",spMainBody);$ \' p6 |& f `3 [7 s' z) X
if (FAILED(rc))! o2 c" x' m* I" @% W& a
{
& a: D$ ^' |( g3 ^ printMessage("Failed spPrtRequest");/ y' f3 p- w+ U: V; u2 ^
return;
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7 |; k/ e* f; j9 a( m) `! V CATIAlias_var spAliasBody = spMainBody;
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6 j/ X7 c) p4 k7 ~; _! ? printMessage("Main Body" + spAliasBody->GetAlias());
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3 M1 C- b. b* |, ` CATIBodyRequest_var spBodyRequest = spMainBody;) K8 Q' x, n/ o: W7 f6 V
if (NULL_var == spBodyRequest)+ q5 T7 [! e# Q; d# X- z. z
{
1 @% y1 T* y ]; U4 O printMessage("NULL_var == spBodyRequest");
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CATLISTV(CATBaseUnknown_var) ListResult;
' b- {0 L8 I; o: l. `, T, Z+ A! a rc = spBodyRequest->GetResults("",ListResult);) F, l: [7 u/ h7 i! U" k w& ^
if (FAILED(rc)|| 0 == ListResult.Size())
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printMessage("ListResult failed spBodyRequest");
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}
Z; T5 J6 m6 p$ A: b- I CATIGeometricalElement_var spFeatureResultGeomElement = ListResult[1];
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if (NULL_var == spFeatureResultGeomElement)# D- l& Z) n: m4 N. ]
{
5 Y2 M7 |5 P2 K7 k$ E printMessage("NULL_var == spFeatureResultGeomElement");$ w1 g0 V' K7 b. r! S
return;
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4 w( C9 w; @4 S5 m5 B! |5 i CATBody_var spTopoBody = spFeatureResultGeomElement->GetBodyResult();4 f7 O- }2 c* i% F; X5 F/ ~
if (NULL_var == spTopoBody)0 s3 }5 O/ q6 e% ^) [( j
{
8 j- v. e% m6 A; U+ p1 C printMessage("NULL_var == spTopoBody");. [7 P3 l! u @, f- T5 v
return;' o5 z* d, M7 u2 Q" q, n! B9 L
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CATLISTP(CATCell) cells;3 e7 v6 V) ? p, `
spTopoBody->GetAllCells(cells,2); //get all the faces
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char msg[256];
! c. A% g9 `5 C3 O" M p3 D sprintf_s(msg,sizeof(msg),"Face Number :%d",cells.Size());/ ]6 \$ X5 V2 }
printMessage(msg);. _) I( ^9 F+ W7 ?4 {& T
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for (int i = 1; i <= cells.Size();i++)
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4 A" L% _1 S: x0 Z CATCell_var pCell = cells;5 {1 n3 c- t3 V
if (NULL_var!=pCell); i) F8 n. z9 t1 m
{
4 b- w }# z' ^ CATGeometry *pGeometry = pCell->GetGeometry();( U5 P% I/ [, K+ G& f& S
if (NULL!=pGeometry && pGeometry->IsATypeOf(CATPlaneType)) //plane face
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8 V5 N: D' G- S$ P" y+ y //CATMathPoint CenterPoint;
5 [* [" }: E7 A2 O8 S9 u //pGeometry->GetBoundingBox().GetBoxCenter(CenterPoint);0 M$ M5 e7 T: X) i& j* w
//sprintf_s(msg,sizeof(msg),"Face center :%f,%f,%f",CenterPoint.GetX(),CenterPoint.GetY(),CenterPoint.GetZ());
; E$ I+ T' ^1 z- X5 P; R/ v //printMessage(msg);' F6 q2 a. J) Z$ x4 w. O+ M2 H
8 Z+ N& n7 P! K0 i0 w CATIBRepAccess_var spBrepAccess = CATBRepDecode(pCell, spFeatureResultGeomElement);- U- C* W$ g/ ^& ~4 W% H
if (spBrepAccess != NULL_var)4 t. K7 c' |; H" y( l0 S! W
{
$ ^" x9 P0 D1 p0 m0 d! Y //assign color # ?$ \& E% W( L6 l! |
CATIVisProperties * pVisProperties = NULL;: L3 Z; b% k j7 \( \
rc = spBrepAccess->QueryInterface(IID_CATIVisProperties,(void **) &pVisProperties);% C. k" [# D: C" Q5 }3 Z7 ^
if (SUCCEEDED(rc))9 a8 y: @% E# ?; h4 [' S
{
- e1 }, ]8 | Y, d4 H CATVisPropertiesValues ivalues;; ]; J4 D! G: F, ^' V: X9 c
ivalues.SetColor(0,0,255);' @+ u6 K1 w. D1 \8 J# ]
pVisProperties->SetPropertiesAtt(ivalues,CATVPColor,CATVPMesh );
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9 h2 N, I: h1 b3 e. |$ n pVisProperties->Release();
5 I5 y# T* _1 M" c! I- G pVisProperties = NULL;
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//get alias name and persistentTag to add in the list
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// End of User Code
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