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[原创] CATIA二次开发入门教程---16 通过点击屏幕创建线

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CATIA二次开发入门教程---16 通过点击屏幕创建线
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2 R- y1 S4 F" y2 \  o  D和上面例子类似,这里需要手动添加一些action事件,在头文件里面新增加一个 indication,效果如下
9 [$ v1 I" A5 h1 @) [7 P create line.PNG
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9 X/ p7 L0 l, X+ {+ n! _6 H代码如下:! b# j# {( v! t
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2 Y- c4 X$ X& `$ P6 [* }//-------------------------------------------------------------------------
4 ?8 s8 ~: i! W9 x1 p// Constructor
: \$ r% D; U3 O1 n0 d  y& B//-------------------------------------------------------------------------
4 ^0 h; Z. ]! j+ H- j' yCreateLineCmd::CreateLineCmd() :
# m1 ?6 w; G! p- ?  CATStateCommand ("CreateLineCmd", CATDlgEngOneShot, CATCommandModeExclusive) ; P4 Q, A8 i& Z8 L( Y( d& I
//  Valid states are CATDlgEngOneShot and CATDlgEngRepeat/ D7 W6 R- k7 x
  ,_IndicationPoint1(NULL) ,_IndicationPoint2(NULL)8 Z  a/ U: D7 `" X
{: {, R( u+ m; I& v: y
}
& Q2 y2 S7 ?' p  E. L0 K7 M  O1 I//-------------------------------------------------------------------------3 U3 L7 z9 _& o, k6 |9 ?, `+ }
// Destructor9 k( ~: \. F. h2 ]
//-------------------------------------------------------------------------
" k/ K: w, w  L  lCreateLineCmd::~CreateLineCmd()7 j$ O  [5 M' g8 m) m* X, N! j
{8 e! p: ~% Q* j
   if (_IndicationPoint1!= NULL) % U1 Z  p' p. N9 {; C9 f
      _IndicationPoint1->RequestDelayedDestruction();
  r' z, ]; \* M+ b4 }# O( R; d   if (_IndicationPoint2!= NULL)
9 r: [0 v/ C# l, P/ J    _IndicationPoint2->RequestDelayedDestruction();
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//-------------------------------------------------------------------------
% ~, Z7 D' T0 s, l// BuildGraph()
+ |* J1 k; x* D% @! t//-------------------------------------------------------------------------4 J" D9 k- W6 w
void CreateLineCmd::BuildGraph()# k. {; T6 ^8 I, z
{
8 F- x' V1 K1 ~" j9 C5 q
9 ?" ]5 V! s: y) p9 a+ y' S  // TODO: Define the StateChart
7 P0 ?  {+ o% c8 J+ P  // ---------------------------
; g: B3 g: Y* `; o  _IndicationPoint1 = new CATIndicationAgent ("IndicationOne");: ]2 A; |- {3 g$ k
  AddCSOClient(_IndicationPoint1);" D$ E5 O$ _1 U1 O) C, q+ y
  _IndicationPoint2 = new CATIndicationAgent ("IndicationTwo");
: ]! b+ X5 H. b6 L  CATMathPlane PlaneXY;0 R  @5 l% _2 p! O  k7 e
  _IndicationPoint1 -> SetMathPlane (PlaneXY);
- i# C* Y$ }9 r1 S  _IndicationPoint2 -> SetMathPlane (PlaneXY);$ u& J7 C7 n% b7 k& T
  CATDialogState * initialState1 = GetInitialState("select first point");; ^2 t& w9 p$ _6 @! A* }
  initialState1 -> AddDialogAgent (_IndicationPoint1);4 {& ?* s% z5 x, a& c0 J
( ?; H, q# G2 O4 @
  CATDialogState * initialState2 = AddDialogState("select second point"); // add important5 c& h& K& z- q3 `8 H& \' Y7 m
  initialState2 -> AddDialogAgent (_IndicationPoint2);
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  Q' c$ i- o% {0 y5 Z1 y: B  
3 z) c! R) N2 e( {# D  AddTransition( initialState1, initialState2, : g5 u! }, R8 s4 H9 Q* r; F
                 IsOutputSetCondition (_IndicationPoint1),
( G& ]9 r8 P: k7 {% x                 Action ((ActionMethod) &CreateLineCmd::ActionOne));0 o  Z6 u* o9 ]8 J9 l  }. F. M

6 ]" F% t. ?, c. d  AddTransition( initialState2, NULL,
: X! I) X/ f% [' B2 Q   IsOutputSetCondition (_IndicationPoint2),# q* G( o% T* i3 h
   Action ((ActionMethod) &CreateLineCmd::ActionTwo));9 E6 P7 N! v; n4 t+ [& y
}0 m/ j8 Y1 l3 L  p( D
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//-------------------------------------------------------------------------
/ A% d! M% d; [& G; Z1 m' }# h$ n5 m// ActionOne ()0 d8 d& @& x. \( n
//-------------------------------------------------------------------------# b' U! w' D( C1 r
CATBoolean CreateLineCmd::ActionOne( void *data )
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  // TODO: Define the action associated with the transition ( ^' j- \  W" ~
  // ------------------------------------------------------
  C* B( \+ }: X  P- v  CATMathPoint2D point2D = _IndicationPoint1->GetValue();//获得一个2D的点
) I) R+ i+ U: z  r$ V6 c7 W/ K  CATMathPoint Point3D;3 ^! j$ X0 @! w& t4 _! ^
  CATMathPlane Plane = _IndicationPoint1->GetMathPlane();3 s1 ]  |, G* x) Q4 B2 K
  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点2 Q2 {8 v+ e7 v% ^: r
  //设置Container(非根节点)/ }, f9 f6 H* Q+ p( I
  //获得Editor9 w  A7 E% V. m/ \. |' q2 {  Z2 l: S
  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
3 |# v4 @, U9 n, G  //得到当前对象的文档
! H" _* J6 s  R  CATDocument * pDocument = NULL ;
) e0 f( c, t* `7 o$ h  //取得当前活动对象
) r5 ^( I0 ?' |9 u  CATPathElement activePath = pEditor->GetUIActiveObject();: D' j  }# w9 m. f3 {
  //取得当前活动的product
; e) P4 H1 K8 e  }" u  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());7 x! N- f8 ~. G9 Z+ J) w) s& P
  //当前活动对象不存在: s. z1 P% |. x0 q, M
  if (pActiveProduct == NULL)4 E$ ^, [* _1 G9 ^' s$ R' S4 V6 D
  {! K& g0 a6 p5 J" i' G- G
    pDocument = pEditor->GetDocument();
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  else- Q+ t. e! {3 I& U9 Q3 Y5 V
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    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
( p2 k3 N7 D' I, g% B: q8 z    //当前对象的引用对象是否存在2 I7 w* Z" d7 p' E# X" m9 Q
    if ( NULL_var == spRef )
- v! @! `2 Y3 S3 u( p" W9 W    {
. l% x; |" c, n      return FALSE;5 ?7 \, O7 [5 R; V' x* D4 M! y
    }
, K6 V/ N, A& ?    //当前对象的链接对象
* a" {: X4 C8 Y8 H8 ^    CATILinkableObject * piLinkableObject = NULL;/ ?! n2 O( N+ |3 h8 h2 ]" ^
    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                            . T5 b0 E6 v9 m- g7 U$ h
    if ( FAILED(rc) )
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      piLinkableObject->Release();6 J; F9 B, G# q' o' I
      piLinkableObject = NULL ;
7 T& `% z( p1 K8 Y) D      return FALSE;
: l1 Y3 Z9 [9 g7 N    }
' ^' k  I* @  o) h$ U    //得到当前对象的文档
  }/ g: L) q4 d* u$ k4 R    pDocument = piLinkableObject->GetDocument();: ~. ~" E1 p( ]) t
    piLinkableObject->Release();0 a% k8 u- [5 U
    piLinkableObject = NULL ;
) A2 g& m- z. K) ]9 N: M' G    if ( NULL == pDocument)
7 S( I$ T( G  q+ o9 z( o    {
6 ]6 A, e, u3 [8 C. z" ^- ^6 w      return FALSE;9 d4 `! V% ?9 V
    }: s; l4 d  J' y' \. B2 u, A
  }
! P0 q: ?$ K3 Z$ Y% B$ |  //得到文档容器集
+ _  j  R' c! ^. y5 z; @7 ~# P  CATIContainerOfDocument * pIContainerOfDocument = NULL;
" a! [3 J9 U7 w  N) Q8 c, W  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);/ _( [1 c! E4 a2 D7 x6 P
  if (FAILED(rc))- B8 ^( t& o% M# j! e
  {9 e  v( a+ V4 Q1 ]; S
    //pIContainerOfDocument->Release();* z3 z% C) X( y% x
    pIContainerOfDocument = NULL ;
. {5 S2 s' H  \2 @4 E- \. q    return FALSE;$ n0 T( {0 R) o7 x5 W" A3 b0 k) @
  }
, E: _6 ]7 [  f9 E" B  //获得Document* @( N; Q: O4 G" D, n
  CATIContainer* _pContainer = NULL;
, P$ k" L5 l* t  //获得SpecContainer2 F) U  p# Q# V+ p! _0 w, w
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);3 B$ f% w1 a, Z; k" C
  cout << "container ok" <<endl;6 P2 W9 B" w" s, ^" }

, U0 j0 W$ Y: n" D2 @! r. ?3 \  //GSM工厂2 M* {* R6 n7 t
  CATIGSMFactory_var spGSMFactory = NULL_var;# @6 G- ~8 E6 w. D& |% G+ q* ]9 x* Q
  //设置工厂  
1 `5 b9 C8 N9 u9 i  spGSMFactory = _pContainer;         ) q# R# V6 F" O" Q8 ?8 J
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);
6 V6 A" B, Z$ x5 d6 L" {% u, ?  spSpecPoint1= spPoint;     & g8 u5 T3 o8 a4 T
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint1;# g( G. U& k3 K5 y- I5 m4 Q" F
  //*将点显示在屏幕上
7 R, `  \. U" W. U! L# o0 M  spSndPntObj->InsertInProceduralView();
( g1 @& e' x( P( H, M! t cout << "create point ok" <<endl;
( P! S8 ]/ S# M( s; [  spSpecPoint1->Update();% [2 E9 g" y5 n: `
cout << "update point ok" <<endl;
: [, E0 X8 O3 U  {) ?* l3 Z' Y0 d, ~- L  return TRUE;
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CATBoolean CreateLineCmd::ActionTwo( void *data )
4 q9 l0 K* c# F3 n* V) N{
( I; t2 h; U5 h* Z' \ // TODO: Define the action associated with the transition
. }8 X/ ]* ]% J. b' x  E // ------------------------------------------------------9 m9 A$ d0 m0 y6 V# B
    CATMathPoint2D point2D = _IndicationPoint2->GetValue();//获得一个2D的点, E" f7 u# b5 I" S( M( {
  CATMathPoint Point3D;
$ {  M( O2 ]8 @2 A  CATMathPlane Plane = _IndicationPoint2->GetMathPlane();
3 A3 n$ @8 k, F  T  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点
' B# |! S  r! d; l  //设置Container(非根节点)
- g* n9 n6 u% l, U% J; H3 E7 i  //获得Editor
; Q9 ?; d( f: }  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();- R7 |; T" s% j+ b1 Z
  //得到当前对象的文档9 K. a2 K" s% X9 Y
  CATDocument * pDocument = NULL ;
* @$ H7 m# l3 S( k4 v' l& n2 ^  //取得当前活动对象
) O$ D' @: f- P, c3 B$ l! R# r  CATPathElement activePath = pEditor->GetUIActiveObject();
9 k5 g% @5 c' q1 ^- y& Z  //取得当前活动的product
4 O& \0 b0 W+ R# u  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());2 E* n( P  A& U; F( k$ S! w6 `
  //当前活动对象不存在
7 V, X/ C; I% Y! [5 c  if (pActiveProduct == NULL)
# y. C- k! x# s" ?  {
9 w$ }/ R: r7 E0 l1 _( H8 c1 i    pDocument = pEditor->GetDocument();/ @/ `9 J: m/ Q5 ]' ?5 d( f
  }
3 y! A9 {! _9 x+ m  else
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    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();* t+ F" ^, N$ o. p
    //当前对象的引用对象是否存在
0 n. {1 E: }9 U5 q6 J' @: i    if ( NULL_var == spRef ); _3 e- [, F' ?0 p7 w
    {
) M5 K/ C( r. x1 P# @      return FALSE;. F' [  X6 Q* e, M0 W7 x
    }6 C# p3 Y9 j/ w& ^2 C% d
    //当前对象的链接对象  b  U; f# R( m3 {# p, ?
    CATILinkableObject * piLinkableObject = NULL;1 \5 i1 J8 j" ^2 r4 S
    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                            , ^+ ^" e: e7 b, A9 B) Y. J
    if ( FAILED(rc) )2 A& D+ `! X5 B2 [* _! `
    {  L% O6 ^6 o" x  b" ~
      piLinkableObject->Release();; D+ O$ J! V3 Z
      piLinkableObject = NULL ;
. H+ j) V1 C* r  s9 B+ ^3 w* ]      return FALSE;
9 P9 v. ~8 ^, x7 y; A+ v    }; ?5 N/ d$ g; U* h4 u% @, C9 i6 l6 i
    //得到当前对象的文档1 y0 {. m# d( W  g
    pDocument = piLinkableObject->GetDocument();
; r4 Y5 H% X2 g6 y; Z    piLinkableObject->Release();/ l; s- ?0 e6 G
    piLinkableObject = NULL ;/ t( v  V- F8 ^
    if ( NULL == pDocument)
5 m. @, k  g$ s% ~6 d3 m: \    {8 g& a+ @1 o* E
      return FALSE;' V, S/ K9 p* K7 e+ g
    }. y1 ~7 Y3 A+ B, L2 {" Y8 b& O
  }
4 n$ H7 \; ]2 p6 S0 N  //得到文档容器集
8 \7 l1 R: @2 @  CATIContainerOfDocument * pIContainerOfDocument = NULL;$ x6 I; V8 e* f) U; \
  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
# K& j# b+ W( b0 i5 \$ {  if (FAILED(rc))
' J. }: e9 `3 i) ^/ r  {( i( _1 J. c5 n# U. B
    //pIContainerOfDocument->Release();
: H7 q* C& R( n, q! a    pIContainerOfDocument = NULL ;) h& ~; g- p7 Y) E& k
    return FALSE;
) ~  A  C" q' T4 b% M6 G- p, k  }) K. a* g2 Z7 @3 v# g
  //获得Document
& J- N+ l8 y0 m: k3 L  CATIContainer* _pContainer = NULL; 9 J2 ?. B% c% Y0 b' E( `% E  I. |0 \
  //获得SpecContainer1 t2 }, o5 t/ B8 r7 [2 N
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);
- s0 b# h- O, A1 v  b$ F ) J  s& Q8 |+ X  C( q
  //GSM工厂
5 e; f! D8 N- h; x7 c( w0 w0 f  CATIGSMFactory_var spGSMFactory = NULL_var;
; ~& W3 |% @( \7 }  //设置工厂  
& C! K9 Z  x" v3 a' {5 |  spGSMFactory = _pContainer;         ' l2 s$ W4 I  K6 b& V" l) Y
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);. V, H4 F5 ~) k7 O7 ~( Z: l! m* T, t
  CATISpecObject_var spSpecPoint2= spPoint;     
; k* |# j" G- Y9 x3 j; ]  CATIGSMProceduralView_var spSndPntObj = spSpecPoint2;' c8 R( V7 {- x, L6 I5 N. V4 l
  //*将点显示在屏幕上
8 |* m" G3 E6 G  spSndPntObj->InsertInProceduralView();
+ N9 v* B5 G8 \5 Q3 E  ?  spSpecPoint2->Update();/ j; u9 l( g( ?& Y
  //生成线  _5 x2 F' L" m) U
  CATIGSMLinePtPt_var spLine = spGSMFactory->CreateLine(spSpecPoint1, spSpecPoint2, NULL_var);
: F3 G' `. [: K  CATISpecObject_var spSpecLine= spLine;     
# N* E& `& O5 Y  E+ p  CATIGSMProceduralView_var spSndPntObjLine = spSpecLine;3 I1 o2 @- \! q! B7 G# m: E, V+ f
  //*将线显示在屏幕上
5 |5 e1 s- ~( M, r( A0 F  spSndPntObjLine->InsertInProceduralView();
3 I( |. c  F; l$ E  spSpecLine->Update();
3 \# ^, J; X+ d3 h0 I  F8 Y) q, I# u% {$ ]% S4 H8 p  t/ _" _
return TRUE;
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