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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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: R( c+ g5 y0 a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
6 C7 X" e# K5 [* v create line.PNG
8 C4 Y8 u8 G) B0 a" r) a+ @$ T, F# B. d+ C: H- o; ?, p; b( ~  r
代码如下:- e% ?9 D+ u( J5 P# N9 j
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//-------------------------------------------------------------------------
* g# _0 ?' {: n, p6 m6 e( R// Constructor3 H! d1 \1 G1 u4 N  G
//-------------------------------------------------------------------------+ b, o, t7 U( F
CreateLineCmd::CreateLineCmd() :
7 N4 ]1 Q- U( w) I- P  CATStateCommand ("CreateLineCmd", CATDlgEngOneShot, CATCommandModeExclusive) 1 {7 g, X+ V% }. D: o
//  Valid states are CATDlgEngOneShot and CATDlgEngRepeat8 [5 i9 J7 W) V4 X! ?
  ,_IndicationPoint1(NULL) ,_IndicationPoint2(NULL)0 x3 Y# m# P! r9 ^% N9 m' p& p; [! e
{" Y, c8 A+ z' F  }, t; A
}: g( J  y" z  J
//-------------------------------------------------------------------------
! _2 F4 N, C0 E  s; H8 L// Destructor6 U4 Q* Y& s& O: O5 j. c! M# }* m4 o
//-------------------------------------------------------------------------
9 a+ U9 r# B$ H5 V+ {/ GCreateLineCmd::~CreateLineCmd()% r6 R: C6 [: s- q
{
) I7 G0 V0 R0 D+ C4 m/ d   if (_IndicationPoint1!= NULL)   K0 c& G' f0 ]. o9 v9 z
      _IndicationPoint1->RequestDelayedDestruction();1 O7 }# b3 f, L
   if (_IndicationPoint2!= NULL) 7 _0 X( U3 m" z* t1 G3 s, H
    _IndicationPoint2->RequestDelayedDestruction();
/ \2 z' u9 s. d% n- ^% G* i; ^
- K7 E2 z2 T, P5 L}, J2 \: b) Q5 s4 F* g4 X

' U, B; r, e7 V//-------------------------------------------------------------------------6 ^) c5 p, D; ~& ^4 k
// BuildGraph()' ?9 V3 n1 F* Z( a# T
//-------------------------------------------------------------------------
( M: ^' c# C) Y5 P  R0 Xvoid CreateLineCmd::BuildGraph()/ q) k; n. L- M# L
{
# ]3 E$ s# b  ]; f. O: u6 }. p
( p$ m) _3 k" o9 U8 v! }: I! L- r: _  // TODO: Define the StateChart
2 F  J1 X) P1 [0 \. Y  T  // ---------------------------, U, n4 y3 p' e7 D" m+ f
  _IndicationPoint1 = new CATIndicationAgent ("IndicationOne");9 H" V. t7 k4 G; C4 t- @, _/ y
  AddCSOClient(_IndicationPoint1);: a9 j) [# p2 e/ [! X" @
  _IndicationPoint2 = new CATIndicationAgent ("IndicationTwo");* R9 _' Q) p9 c- j5 I4 p$ I% \* b, H
  CATMathPlane PlaneXY;
& p% z0 \! S/ @" C* e7 p  _IndicationPoint1 -> SetMathPlane (PlaneXY);
0 v7 m7 H- {/ e' n" q: h9 M  _IndicationPoint2 -> SetMathPlane (PlaneXY);
' V* M& t! ~  y+ `0 a( l  CATDialogState * initialState1 = GetInitialState("select first point");
# A! ~6 ]2 @/ Y! m  initialState1 -> AddDialogAgent (_IndicationPoint1);( O5 K) A2 K$ o2 s: w* \- b' x

8 x9 |% p$ d$ h6 o$ j& H& |! U  CATDialogState * initialState2 = AddDialogState("select second point"); // add important3 e! F# Y) D; J% `
  initialState2 -> AddDialogAgent (_IndicationPoint2);3 E- M/ q4 p, c: ^, e" \
# [+ V3 {  N/ B* T2 i" j
  
6 v. g/ @* \, K) d0 Q! [1 {; C  AddTransition( initialState1, initialState2,
% s3 ^1 g* p0 a% \& B! P! L2 w! H                 IsOutputSetCondition (_IndicationPoint1),
/ d0 x: h4 n9 S# g- i: u                 Action ((ActionMethod) &CreateLineCmd::ActionOne));9 U" ^! y" N9 z0 a8 w% u& P
" q5 l! G) |; K7 Z, Z
  AddTransition( initialState2, NULL, * U9 J! c. p6 e: @" e
   IsOutputSetCondition (_IndicationPoint2),2 W6 [" m5 S" d# c
   Action ((ActionMethod) &CreateLineCmd::ActionTwo));; M2 R6 O! h0 H* T  R4 q9 Q
}
. w8 b5 r( a- C5 I* s  j) G! w, y5 @- \( d6 S
//-------------------------------------------------------------------------
" c& ~5 ~6 M6 j( L7 s// ActionOne ()
, f* I. ~" N- p6 |( n$ o& U//-------------------------------------------------------------------------* a, L$ c2 I1 \, ^$ t& Q- ^
CATBoolean CreateLineCmd::ActionOne( void *data )3 m7 s* E8 m8 F' d
{0 R! w1 ~- l9 X0 s- V
  // TODO: Define the action associated with the transition # }7 M- ^% u1 U/ E1 {6 U) u
  // ------------------------------------------------------
- H  t5 Y1 ?- ?0 I7 P( U" N4 F  CATMathPoint2D point2D = _IndicationPoint1->GetValue();//获得一个2D的点
' A: A& ^# P8 B& l' J$ U: l  CATMathPoint Point3D;( j, ?( w: f/ x# j6 F5 y
  CATMathPlane Plane = _IndicationPoint1->GetMathPlane();: s4 t1 U' S+ u3 ~, v8 a
  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点' ]: ^" t- X" X' B
  //设置Container(非根节点)& U' b2 v3 q# P. V# P
  //获得Editor( R, ?7 f( Z# L
  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
  R8 R0 ^& y& ^  //得到当前对象的文档
" G0 y. y2 W) T+ ?' T  CATDocument * pDocument = NULL ;
) Z6 G+ k4 V# r; T  //取得当前活动对象
- X5 U, m7 [. m% v  T1 o6 U  CATPathElement activePath = pEditor->GetUIActiveObject();
* J, x/ i. `0 D) ^) F2 }3 y  //取得当前活动的product
8 b, I0 c( q& O( @9 n  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
0 s  \- n0 n$ J" W  //当前活动对象不存在" ^/ k/ P( @& e7 ~
  if (pActiveProduct == NULL)# C0 ]+ L* E: h+ @" h  _
  {5 e1 y$ \7 G8 S0 U5 O- u
    pDocument = pEditor->GetDocument();1 ]0 ]- J& [, w8 c* ^
  }
- `" d4 U8 ]/ v5 N3 V  else$ U  K% {  Q$ K
  {
- ?: Z2 N$ b0 T/ Y9 x1 l' L5 F    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
6 ^0 P$ p6 p2 u/ O( v/ o+ q    //当前对象的引用对象是否存在
8 b  Q) |1 G# V* ~: t    if ( NULL_var == spRef )3 b) m- A# N( E( x) D
    {3 z) M8 P* s9 j$ V: v) f
      return FALSE;
1 ^: T4 b: g7 v, G! X/ P    }7 X- Z3 ?, A7 E
    //当前对象的链接对象
1 Z; h# t2 R7 O1 v    CATILinkableObject * piLinkableObject = NULL;
3 S$ O+ z' m0 o1 A3 z2 N; i( y3 [( `    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
2 j  r2 D% E1 s, L/ I5 p    if ( FAILED(rc) )3 `+ w: J3 {2 O; I, l( {' M
    {; ]0 M2 i* [. h: _; C
      piLinkableObject->Release();* T" k' F; O0 c% g
      piLinkableObject = NULL ;
, z- Z0 N5 v8 |* S+ x9 d      return FALSE;
+ A* h# g, q6 c. v$ ~    }0 o, d( x% h, c4 f& [& `/ e
    //得到当前对象的文档4 O( t6 ?; M9 Q
    pDocument = piLinkableObject->GetDocument();: r; A8 u- o  {* y8 h
    piLinkableObject->Release();) z  e* J: }1 I) q* n. k2 c
    piLinkableObject = NULL ;- w. t0 E& ~) u" Y1 b+ W
    if ( NULL == pDocument)
3 M- v0 }2 S$ \5 k/ Z    {: \$ M( O2 Z  w! g1 Z8 e6 N5 H
      return FALSE;
) @. Z- n- P( H9 A; W8 T    }
$ Z7 O! u3 K2 x  [% S3 w0 M  }
; }! J- r: a8 [% N. {  //得到文档容器集
, v! z; X. _; D: q( F  CATIContainerOfDocument * pIContainerOfDocument = NULL;4 F! Z7 a1 a/ ]# T
  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);. m! b1 t. M% E6 B6 t  j2 L' k0 G8 T
  if (FAILED(rc))
+ q0 S+ N2 S' B1 W  x  {0 M4 |1 I7 P: |4 k# s
    //pIContainerOfDocument->Release();2 D5 g2 V0 M& f0 [; N
    pIContainerOfDocument = NULL ;; b, A' v. Q& ^- z, A
    return FALSE;
' d1 N7 f# G$ E- z7 A6 o  }& Z- P. x6 U+ j( b/ m8 u* {! P: E5 {8 c
  //获得Document- ~* \$ m+ W5 t& U
  CATIContainer* _pContainer = NULL; / A. `" ?, e: p' v8 @# J; v$ C, C
  //获得SpecContainer, z+ A2 b4 i* p! X) r( c
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);' L7 J0 V3 V' q! I5 X5 e, B
  cout << "container ok" <<endl;0 T3 m# w/ ?8 }5 @: X" V3 e/ `
3 ^' z2 p' @2 ^  W7 ~
  //GSM工厂
( j" _4 i; M' Q9 j- V  CATIGSMFactory_var spGSMFactory = NULL_var;1 {# T0 N' n5 m" I# u
  //设置工厂  
, a# L# [0 {7 Q6 i2 [; g  spGSMFactory = _pContainer;         7 ~; C; C8 B) a- ]3 P
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);
0 T5 N+ ]: f5 c# O' Y  spSpecPoint1= spPoint;     
0 _( c% Y) }1 }. L* B( |  CATIGSMProceduralView_var spSndPntObj = spSpecPoint1;' {2 Q8 \2 R. X
  //*将点显示在屏幕上
6 Y( u( I& J' K! R/ k& B' f  spSndPntObj->InsertInProceduralView();' H  O/ R7 w2 h  s  H' O
cout << "create point ok" <<endl;* a: C9 N4 C% t) J. F  M
  spSpecPoint1->Update();
! ?% b$ j. D1 W/ @0 Scout << "update point ok" <<endl;+ M  ]" ]' ]1 W& ]0 Z; ?
  return TRUE;$ J9 J/ \  f. t+ Z
}! z; y+ Y. U/ i' \
4 m) p; D, R; ~% J0 r

  E6 O9 K. f# q. p$ E- F
) d/ y0 j9 D: k# j8 _CATBoolean CreateLineCmd::ActionTwo( void *data )0 J' T' j( N. ]
{  V; C4 ^) J, g% i9 k9 [# h7 I- Y
// TODO: Define the action associated with the transition - E! Y, X6 l$ _6 ~  ?3 M
// ------------------------------------------------------
, d) J3 D0 J0 l: K6 N    CATMathPoint2D point2D = _IndicationPoint2->GetValue();//获得一个2D的点
; |! l7 \5 ]/ _* G% T; X: \/ f  CATMathPoint Point3D;" a9 H0 H% z+ E2 o& j/ D: x
  CATMathPlane Plane = _IndicationPoint2->GetMathPlane();
! J1 S) k" \1 W5 g. |( E0 x, K  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点
1 F8 [% M* d+ n3 h5 C  //设置Container(非根节点); ~9 B  Q$ ]2 n' R! W' h3 f. |
  //获得Editor1 S& B2 x2 B6 O6 X4 o: F: h
  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
. @9 h$ [, y0 ?  //得到当前对象的文档* c1 X0 E* j6 i& f% ?: V
  CATDocument * pDocument = NULL ;" @8 t& J9 z$ r
  //取得当前活动对象
9 Y( u: i# X, ~  CATPathElement activePath = pEditor->GetUIActiveObject();
5 n8 G2 r6 B. {& D  //取得当前活动的product
  I3 Q$ n% o$ m$ {7 k' k0 z  i  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
( z* Q" q  N! N! n$ |5 H/ s  //当前活动对象不存在
! K" }) i6 ]. J( e1 J  j  if (pActiveProduct == NULL)& T7 Y2 G) I" B8 d: z& Z4 k! @7 \
  {. \( v2 J* u6 H, r) g7 i# e
    pDocument = pEditor->GetDocument();
! h8 h) B) w8 J/ x  }
! I- q* j& A3 L  else0 Y! Y6 L+ B* S* x
  {
2 e# ~: K6 `1 ?4 D; S    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
; [, z; ?0 `8 k: g7 }# y- n7 I" |    //当前对象的引用对象是否存在
* p- n0 V+ W/ O$ H    if ( NULL_var == spRef ); ^7 f' X8 p6 s  o$ B( Y5 U
    {+ x9 B$ v  `. T
      return FALSE;
  J( [1 o1 D( |1 H/ U    }) I0 {0 A4 Z% E4 e# i+ t' |
    //当前对象的链接对象6 f# S" o% l1 U& d
    CATILinkableObject * piLinkableObject = NULL;
4 A9 v& b2 ?% X  w# Y9 q2 B1 g4 P6 W9 e    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                              h7 {) x  |/ d$ {$ F' G9 F! o& X
    if ( FAILED(rc) )' P: x2 Q6 K- [9 `) w5 P
    {. G+ T3 g# D/ U5 f' f; z% w
      piLinkableObject->Release();
: W# V" _1 c, j7 Y; Q  m: P: S1 ^+ t      piLinkableObject = NULL ;
3 c0 a# ~8 @" _. ^6 C& m      return FALSE;
# f" j& E( Q8 p7 k8 F8 c    }
  w  x0 d( \% v- ?- \1 @    //得到当前对象的文档
6 n+ Y; E/ q9 D5 @& D, S    pDocument = piLinkableObject->GetDocument();
, U* n# n2 t( Z0 k$ P/ b    piLinkableObject->Release();
7 Z5 B; `5 O; _! o5 z0 P2 j    piLinkableObject = NULL ;' H, z7 |2 }/ T+ T: `8 ^) {3 ^
    if ( NULL == pDocument)
- ~8 j4 W5 u- l- f7 _    {
  j# C! x. i1 F      return FALSE;
- W9 m- ^4 o7 s3 Y3 m( t    }, E4 r: Q2 ]$ e! A) F( h) R
  }0 p# o  \" l% W% K$ I+ v
  //得到文档容器集& X4 @8 x5 I( {( Z
  CATIContainerOfDocument * pIContainerOfDocument = NULL;
/ G3 y3 h! e8 ^9 J/ S' r  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
2 n0 Z% S; i) x5 M1 M  if (FAILED(rc)), v: C& }; _/ r( s9 ~' [2 s: c2 ?! q
  {
" B1 R2 {7 o! Z2 n+ F# z9 A. m    //pIContainerOfDocument->Release();
! b+ V$ T* b, Q1 Q) w# q; L/ ~. E: Q* L8 g    pIContainerOfDocument = NULL ;$ Q9 c0 U; u0 i$ D& S$ y
    return FALSE;
+ o. @7 L: K* W9 h& ^9 A  }
& M3 w: Z! j& j* c# t; z: l! H  //获得Document8 O) p) Q# O. F8 }+ I
  CATIContainer* _pContainer = NULL; . N% F1 m; P& A3 Y# u
  //获得SpecContainer
, @; r- q0 A( ~  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);
; L3 V2 B8 y6 J- d8 N) N7 l. v ) d1 S5 A( O8 o4 r) t* {
  //GSM工厂
1 i7 h( E( q& U$ L1 q/ p9 ]  CATIGSMFactory_var spGSMFactory = NULL_var;
3 J' _+ B% E3 n  b9 P3 {  //设置工厂  
* F. q; ?- C" ?  spGSMFactory = _pContainer;         # n' ]' o5 ?, x# T, b
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);+ X3 d4 Q$ F4 M5 U/ U) E/ z) B3 c
  CATISpecObject_var spSpecPoint2= spPoint;     
% f. v1 j3 k. `( m' l1 z  CATIGSMProceduralView_var spSndPntObj = spSpecPoint2;
9 B- m) A6 s2 j; U4 d+ Y  //*将点显示在屏幕上
! E) F! }1 h8 b* J+ g, J8 Q  spSndPntObj->InsertInProceduralView();
& g  r1 x1 d; m- \" z. [- Q* ~! ?  spSpecPoint2->Update();
9 i- m' @9 o: y$ U  //生成线3 Z, _, c$ D9 W: j: O
  CATIGSMLinePtPt_var spLine = spGSMFactory->CreateLine(spSpecPoint1, spSpecPoint2, NULL_var);
! z" O# F" A; w# m0 y  CATISpecObject_var spSpecLine= spLine;     1 V3 B. k& n$ _
  CATIGSMProceduralView_var spSndPntObjLine = spSpecLine;2 F/ N. g( w! O$ N4 I1 N; u
  //*将线显示在屏幕上- J" a3 r0 [3 f  X" c
  spSndPntObjLine->InsertInProceduralView();
. `8 Q  M: w3 e+ L% A6 r  spSpecLine->Update();  |1 j) q/ S- {4 _9 j
! N( A7 y0 k# k' U/ k4 U$ @
return TRUE;+ ^) H! D6 g+ q1 n
}: f2 n1 o) A- I
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