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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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2017-5-6 14:18:38 4148 0

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CATIA二次开发入门教程---16 通过点击屏幕创建线6 p0 Q9 _" n. d1 P6 R5 \" J4 `9 ^" a& }  e

) m  q" k- M! S" G7 {1 C% H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' V: U6 |$ _4 J  a
create line.PNG   F" s& h) S3 `, C8 L# h

5 S1 k* H& i! X( m代码如下:- H' s7 h3 S% K- B
  Z( M: U. }( X5 ]
* f# K; ]5 L7 D$ P0 O  P
//-------------------------------------------------------------------------
4 S" ~: r- v' A  y- `// Constructor' o6 `6 S: M) K+ I1 t( j" M
//-------------------------------------------------------------------------
( X+ A! {, f! }, D9 N6 dCreateLineCmd::CreateLineCmd() :' M5 g" M0 X* w  I5 o  V2 g
  CATStateCommand ("CreateLineCmd", CATDlgEngOneShot, CATCommandModeExclusive) 8 }) ?' i! C& q+ C6 {$ e
//  Valid states are CATDlgEngOneShot and CATDlgEngRepeat
& m6 @1 p; ^! M9 e  ,_IndicationPoint1(NULL) ,_IndicationPoint2(NULL)
) q/ m: |  Q3 ?, l2 N. y) s{
! I# X; H+ f) f* J}
* K# r- k3 W8 k- |# l, x: T0 v//-------------------------------------------------------------------------# B$ U0 M9 p( q9 P9 M
// Destructor
0 N0 P6 h7 \: [  B( i2 j//-------------------------------------------------------------------------' E; c2 H) D1 R/ V7 P) a
CreateLineCmd::~CreateLineCmd()' g# _1 @$ ^4 E: l+ O* a: G# A
{' C" ~5 M& J: H0 q  s& l0 z( y& N( q
   if (_IndicationPoint1!= NULL)   [+ E: Z& [7 b1 A
      _IndicationPoint1->RequestDelayedDestruction();3 D; J* a2 U( n) q( A  `
   if (_IndicationPoint2!= NULL)
' Y, ?8 x4 B9 h: k" N" n2 q    _IndicationPoint2->RequestDelayedDestruction();; }) B4 ]; r' m+ P# `4 D
1 {7 a* ]; f% _' J' S6 \
}
) f' \/ _' {, q' y& X' g% Q9 h+ Y
4 U8 V. r0 p2 P: X! N$ @) v$ {//-------------------------------------------------------------------------
& U% D! C: e1 j// BuildGraph()# w8 H- d2 b5 z
//-------------------------------------------------------------------------! t' {# l) k, k
void CreateLineCmd::BuildGraph()
% N( \! w9 ~- Y2 C, z4 N{/ W' u9 A. n7 t$ Z

- u- N, {; v) s2 m3 |  // TODO: Define the StateChart
$ X  i5 w; i% C1 \  // ---------------------------
( l- M  c5 L3 R$ ]  ~- p9 ?6 ~  _IndicationPoint1 = new CATIndicationAgent ("IndicationOne");
" z! g% C3 Y2 H; X6 C  AddCSOClient(_IndicationPoint1);9 G. ~+ ]+ A& D0 ^8 s
  _IndicationPoint2 = new CATIndicationAgent ("IndicationTwo");1 o) a$ t* P/ _5 o) I
  CATMathPlane PlaneXY;" C% D4 ]# R, `
  _IndicationPoint1 -> SetMathPlane (PlaneXY); 6 o# u! F- U( M9 ]
  _IndicationPoint2 -> SetMathPlane (PlaneXY);
  m" Z% {# w& }6 u  {$ ^  CATDialogState * initialState1 = GetInitialState("select first point");
! N( [! D4 Y9 P  initialState1 -> AddDialogAgent (_IndicationPoint1);
4 K# _, ~5 Y& `% U2 E0 [8 c- X9 T
* z$ q6 ?0 z, ~" l. p  CATDialogState * initialState2 = AddDialogState("select second point"); // add important
  ^# ]% }  Z* K* v5 ^; @$ Z9 C  initialState2 -> AddDialogAgent (_IndicationPoint2);1 V! z8 I, r8 i, q, Z* Z3 E
  J- m' m, C5 J+ w- ~* c' C
  ' H$ ?" A  [. j0 X5 s0 ?
  AddTransition( initialState1, initialState2, - Q8 ?3 ?# C: y) ~# Q
                 IsOutputSetCondition (_IndicationPoint1),  ?! g" ?% u: D; H* g, [9 \$ {
                 Action ((ActionMethod) &CreateLineCmd::ActionOne));& R( `/ M1 {5 e3 y+ ?8 q

3 U: \# J9 e  K  AddTransition( initialState2, NULL, " b9 Q& ?0 ?8 m- C7 _
   IsOutputSetCondition (_IndicationPoint2),9 x3 f1 E( Q  T/ o: F+ A
   Action ((ActionMethod) &CreateLineCmd::ActionTwo));* b  B  ~/ P' G2 z
}+ ^; N% O/ K; C/ E- t
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//-------------------------------------------------------------------------
3 u! c. O% a4 h% _// ActionOne ()2 I$ t0 L' n) x: H
//-------------------------------------------------------------------------' U2 ~9 f2 V1 b, c& f: @) k
CATBoolean CreateLineCmd::ActionOne( void *data )
+ S0 c/ P: h* A3 N2 \{) c- g. A" N5 a
  // TODO: Define the action associated with the transition
+ q' Z7 t2 z) z8 b% Q. ~, W) p4 j" k/ Y3 \  // ------------------------------------------------------
# H2 y) O! f# A) b5 z% D  CATMathPoint2D point2D = _IndicationPoint1->GetValue();//获得一个2D的点) F9 s" E% u& `# d$ f
  CATMathPoint Point3D;; t5 `% r& ]* E; q2 |6 ~
  CATMathPlane Plane = _IndicationPoint1->GetMathPlane();8 g0 P7 M0 [" S$ }# l9 A
  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点; q* ?1 ]! |! _! f% {) o8 j
  //设置Container(非根节点)1 \& e! R$ R. B- q* J
  //获得Editor0 \0 J" m# d: V6 e/ W4 U( d2 H
  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
& E& ?$ k9 r3 j) D. Q' i5 C  //得到当前对象的文档
6 t0 R, d0 G6 u$ @  CATDocument * pDocument = NULL ;
) _1 s/ d1 X6 M# \/ M' D  //取得当前活动对象
5 Z' r6 C, E+ n8 K6 m  CATPathElement activePath = pEditor->GetUIActiveObject();: H: u& v$ t/ U3 @6 ]6 w1 W9 D+ c
  //取得当前活动的product
6 l1 d3 t  S9 T0 n. C7 |7 d  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());8 }- e+ S/ {" L; v3 l* H
  //当前活动对象不存在  x0 E$ j2 C5 Z, k% s& D/ y$ L
  if (pActiveProduct == NULL)+ |7 y3 x$ [2 c/ r+ F! D
  {: ]; z" T+ p; o/ Y$ q# |$ p0 ], F( d# W9 [
    pDocument = pEditor->GetDocument();8 Z1 V  `! H# [
  }1 n5 A3 ]4 I7 t: Y7 o: b" a
  else* |) I: J8 a0 @' i+ J3 f+ o% f$ S
  {! u4 a( D) q9 t  n# [+ U2 z
    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
6 q# C5 O8 `$ Z, X2 P" L    //当前对象的引用对象是否存在  M1 J- e& y/ v" u0 m
    if ( NULL_var == spRef )
/ ^' t/ j# E: ^% G8 ?: S+ n    {) ^) }1 A" i$ u/ g6 Z+ |$ [2 N! k
      return FALSE;' Z9 f4 A" X, V3 j" q; `
    }2 Q, K# [: S) }9 I# S
    //当前对象的链接对象
* w" A9 j6 N. B/ u- q' v6 `" o- t    CATILinkableObject * piLinkableObject = NULL;) P! t# C$ f' ]8 q3 \
    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
1 t( c8 W4 O6 ?+ p* [6 g0 _; z    if ( FAILED(rc) )7 M' v; u: g1 Z" l( V; |
    {
# ]# }& D5 P. S6 J- ^      piLinkableObject->Release();. @1 H3 O2 ^  t4 @3 j" b" e# Y
      piLinkableObject = NULL ;/ a/ N+ X) s: G  x8 i  X4 b. B) x
      return FALSE;8 K, P! |7 S- L* R0 T! [! `+ A) V
    }; o# S0 U1 J# i6 T' ~4 w$ r( n$ ?; O
    //得到当前对象的文档0 f' B6 v. p, h* u# h% i
    pDocument = piLinkableObject->GetDocument();" h/ l+ S/ B! V; d- K) k: b9 N- s( p
    piLinkableObject->Release();7 f: e( L+ k1 p
    piLinkableObject = NULL ;9 ~4 ~: e5 K+ |$ ?1 m
    if ( NULL == pDocument)
0 _: @/ I0 r4 Y& O    {
& I) S; u8 V0 P6 j      return FALSE;
' l3 o  q4 A9 N$ c    }8 O# j8 d- U3 E- ~
  }
# `1 v* m' M1 ?) l$ M0 |- n" f  //得到文档容器集" M( l  i1 P- D$ }' E3 T$ u
  CATIContainerOfDocument * pIContainerOfDocument = NULL;
# s. \( L% b  K9 f. r- A3 k2 v  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
! M2 ~" a; r: s- i  j  if (FAILED(rc))
9 M/ J$ m" d; e/ n, W  {1 G, X" N- C( r# Q/ h; a3 o! }
    //pIContainerOfDocument->Release();2 O5 `0 {9 Z6 h: L+ b
    pIContainerOfDocument = NULL ;; H/ v1 ?) W. u  r; {9 X
    return FALSE;
9 S0 t8 p2 `2 h1 x4 D9 v  }) Y6 i* i% U0 e% g/ Y& S
  //获得Document  {1 \. c+ c* ?0 r# V+ z
  CATIContainer* _pContainer = NULL; & Y( |6 h# \; ^1 @, u' e3 M- i
  //获得SpecContainer* B6 I- @7 ]$ q
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);
* w4 H! Q' Y' ?: j; |9 b  cout << "container ok" <<endl;
( s, r7 J) ~8 h , n& o, j6 L8 ]- s: a* e
  //GSM工厂3 V* I! {  {& A) ~- M
  CATIGSMFactory_var spGSMFactory = NULL_var;7 x$ I0 O3 D' L' G
  //设置工厂  
# s; |6 r3 b( T2 a& O. N* O  spGSMFactory = _pContainer;         
# _3 z; \1 b$ d' q& C) F  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);' J0 l3 {6 ]8 h* O  K. Y+ l
  spSpecPoint1= spPoint;     
9 Z9 [& ?3 g0 u7 J8 o7 `  n  CATIGSMProceduralView_var spSndPntObj = spSpecPoint1;3 U. k/ n9 {# M7 z
  //*将点显示在屏幕上: A9 z7 _9 T+ X' L. E
  spSndPntObj->InsertInProceduralView();
0 ^' h3 ?; t! [0 o. f3 Y cout << "create point ok" <<endl;+ E' r0 f4 b; |; p8 Y
  spSpecPoint1->Update();' B3 U# R. g( n
cout << "update point ok" <<endl;
. r0 c$ Z5 x3 l9 i2 K, g7 Y2 W  return TRUE;
9 P8 v9 x  w+ D* e6 k5 q}
! G, g3 F' e* V8 S# B1 ^9 Z, B$ i4 W* s% Z5 {) w# P

  s4 C+ p# O9 C- `' J1 u% @
6 ^& G+ g4 n+ F! {: |CATBoolean CreateLineCmd::ActionTwo( void *data )
3 B! R+ u5 I9 a, d, H& |# n{/ \7 B8 `1 x$ u1 h' c
// TODO: Define the action associated with the transition 1 Y) F/ w+ Z* ]6 [: ?
// ------------------------------------------------------+ D, ]( z6 y6 a8 E& r
    CATMathPoint2D point2D = _IndicationPoint2->GetValue();//获得一个2D的点
( N1 H; ?( D! b+ a. k  B" c. \  CATMathPoint Point3D;" O0 F) D/ _% {' \  W6 I
  CATMathPlane Plane = _IndicationPoint2->GetMathPlane();: Z3 |& U8 e0 V4 n5 t
  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点; U6 p9 O- P% G* @( J! y7 ]
  //设置Container(非根节点)9 N: y( u! w, g% n+ N
  //获得Editor
2 S' S3 M/ w: w9 B  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();: U) y6 m' K" d* N' z9 n2 E7 ]2 B
  //得到当前对象的文档* z% a, |% g, _- n+ ^7 ^
  CATDocument * pDocument = NULL ;0 k4 P0 f% P; g$ E* n, ?( O# |
  //取得当前活动对象& n$ Q, U$ i" ]+ P
  CATPathElement activePath = pEditor->GetUIActiveObject();
$ b! m$ i! _7 C, Z" I/ v9 d. {  //取得当前活动的product
1 o3 f# R% F3 O# \; t9 I" S  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
2 j* }# ^% C& ^$ k  m) a5 _+ {6 ~  //当前活动对象不存在
+ H+ u- ?2 K* X  if (pActiveProduct == NULL)9 p& i$ v# T5 z( a- Y
  {" K9 ]- [4 ?! E+ O+ X4 o
    pDocument = pEditor->GetDocument();7 `  f; s8 r( M6 _
  }3 [6 ~, Q. D4 }3 i
  else
: {5 K) ]" z& @( p) J  {
3 o. h* D- G7 h) \    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();6 Y$ _6 d' F$ C3 p
    //当前对象的引用对象是否存在2 W( Q/ \. O1 r8 H! q4 N/ a
    if ( NULL_var == spRef )
2 S! l) {7 }  f$ |    {
+ b1 ?7 x( b0 n4 e8 Z2 N9 X      return FALSE;8 c& g' A  q, g# f+ [+ U
    }( V7 C: r1 ^3 m! f) u
    //当前对象的链接对象
7 C/ F3 C/ ]6 r8 W. X6 `    CATILinkableObject * piLinkableObject = NULL;+ }. }" k4 X! m5 S
    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                            3 e  A/ y! i9 G) @( a3 q
    if ( FAILED(rc) )
9 l3 v  ~2 I3 C8 }    {/ l' H# J- E; B
      piLinkableObject->Release();: Z9 w* h6 a+ R; F# C
      piLinkableObject = NULL ;
1 o" {/ w, K: k  M* o$ _1 [& |      return FALSE;& e$ X# }; n! t3 z! x
    }9 x! r6 \: ?$ O( e5 Q0 f5 K. @7 x3 |0 t
    //得到当前对象的文档
! `( @, c7 [  z7 {    pDocument = piLinkableObject->GetDocument();# m& P: O- I( \6 E
    piLinkableObject->Release();9 M' r( {3 q& w
    piLinkableObject = NULL ;
/ R2 `5 O. w; k% p; W6 S+ G' C    if ( NULL == pDocument). I9 J2 B2 B" V5 ^
    {* I; @' E; c; |
      return FALSE;
3 w, W( s2 E+ Y1 _  L: n    }
$ l5 x, D; B8 v  O  }1 C( D( W# q7 U) a! @9 K1 S
  //得到文档容器集  F1 ~) K: e( q( A
  CATIContainerOfDocument * pIContainerOfDocument = NULL;: I$ W, O" X9 `* z3 ?
  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);, ?, w5 l. F3 x0 w" e
  if (FAILED(rc))# J, w1 ]* Y$ D5 E
  {
) m5 H7 v/ f( [, P8 u    //pIContainerOfDocument->Release();
% x" z7 k! V. v; S    pIContainerOfDocument = NULL ;$ k! [, g$ g8 Y+ P' [+ ]* ~+ a1 J
    return FALSE;, j7 ~  a5 a% _! j/ p
  }
9 o* Q, F  s- Z  //获得Document8 ~4 a0 y: ^! o
  CATIContainer* _pContainer = NULL; 6 v0 C: k, K; j1 p, k$ a% }: i
  //获得SpecContainer
3 D- i5 r" `: R7 e7 d" X  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);- i/ p4 l, L5 D- S4 q7 S: n; W, z
" F0 H/ y9 J0 V3 f1 H4 j; v5 j+ B. I
  //GSM工厂
" |( z4 o1 ~' M7 a9 Y& x) L+ `  CATIGSMFactory_var spGSMFactory = NULL_var;/ w9 f1 \& W) V+ ]) T" {8 `6 {  X
  //设置工厂  , G% o: l  O) J8 o0 S/ `
  spGSMFactory = _pContainer;         1 d+ X; C; l, Z4 N
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);3 k( l7 v1 _) q$ \  Z
  CATISpecObject_var spSpecPoint2= spPoint;     . p& t" |4 K3 h1 A/ A& L
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint2;
' H, @; v. R0 w$ U: S  //*将点显示在屏幕上
& K* D& j5 B$ |# J  spSndPntObj->InsertInProceduralView();
8 v0 B/ u2 |: k/ \* g$ ~0 i  spSpecPoint2->Update();
! n, j# S  ~( v0 d2 M3 p  j( p  //生成线
' I8 X/ l" j3 j  CATIGSMLinePtPt_var spLine = spGSMFactory->CreateLine(spSpecPoint1, spSpecPoint2, NULL_var);
4 c0 F/ M1 a5 |! ]3 o6 @" g  CATISpecObject_var spSpecLine= spLine;     
: D; E: l6 c+ U  CATIGSMProceduralView_var spSndPntObjLine = spSpecLine;+ @1 L& b; T  X
  //*将线显示在屏幕上
' p; b7 u& H. T0 C( O  spSndPntObjLine->InsertInProceduralView();
- R0 T! H" W$ _- V( [! Z  spSpecLine->Update();
) k* H% k' O5 @4 n4 ^0 n
3 a/ N* a( @! }1 a6 F+ _ return TRUE;% V1 N3 Y8 ~/ u: H' m: e
}2 m8 R) D8 e9 @" m
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