[u/mrichter/AliRoot.git] / MUON / mapping / AliMpZonePainter.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

// $Id$
// $MpId: AliMpZonePainter.cxx,v 1.8 2006/05/24 13:58:32 ivana Exp $
// Category: graphics
//
// Class AliMpZonePainter
// ----------------------
// Class for drawing a zone into canvas
// Included in AliRoot: 2003/05/02
// Authors: David Guez, IPN Orsay
 
#include "AliMpZonePainter.h"
#include "AliMpGraphContext.h"
#include "AliMpZone.h"
#include "AliMpSubZone.h"
#include "AliMpVRowSegment.h"

#include <TVirtualX.h>
#include <TPad.h>

/// \cond CLASSIMP
ClassImp(AliMpZonePainter)
/// \endcond

//_______________________________________________________________________
AliMpZonePainter::AliMpZonePainter()
  : AliMpVPainter(),
    fZone(0)
{
  /// Default constructor
}

//_______________________________________________________________________
AliMpZonePainter::AliMpZonePainter(AliMpZone *zone)
  : AliMpVPainter(),
    fZone(zone)
{
  /// Standard constructor 

}

//_______________________________________________________________________
AliMpZonePainter::~AliMpZonePainter()
{
  /// Destructor 
}

//_______________________________________________________________________
Int_t AliMpZonePainter::DistancetoPrimitive(Int_t x, Int_t y)
{
  /// Distance to the nearest segment center if (x,y) is inside the zone
  /// 9999 otherwise

  if (fZone->GetNofSubZones()<1) return 9999;
  AliMpGraphContext *gr = AliMpGraphContext::Instance();

  gr->Push();
  InitGraphContext();
  
  TVector2 point = TVector2(gPad->AbsPixeltoX(x), gPad->AbsPixeltoY(y));

  Double_t res=9999.;
  for (Int_t isub=0;isub<fZone->GetNofSubZones();++isub){
    // for each sub-zones
    AliMpSubZone* sub = fZone->GetSubZone(isub);
    for (Int_t iseg=0;iseg<sub->GetNofRowSegments();++iseg){
      //for each row segments
      AliMpVRowSegment* seg = sub->GetRowSegment(iseg);

      TVector2 pos,dim;
      gr->RealToPad(seg->Position(),seg->Dimensions(),pos,dim);

      if ( IsInside(point,pos,dim) ){
	Double_t value = (point-pos).Mod();
	if (value<res) res=value;
      }
    }
  }
  gr->Pop();
  return (Int_t)res;
}

//_______________________________________________________________________
void AliMpZonePainter::DumpObject()
{
  /// Dump the owned object

  fZone->Dump();
}

//_______________________________________________________________________
TVector2 AliMpZonePainter::GetPosition() const
{
  //// Get the owned object's position

  if (fZone->GetNofSubZones()<1) return TVector2(0.,0.);

  TVector2 bl(9999,9999),ur(-9999,-9999);

  for (Int_t isub=0;isub<fZone->GetNofSubZones();++isub){
    // for each sub-zones
    AliMpSubZone* sub = fZone->GetSubZone(isub);
    for (Int_t iseg=0;iseg<sub->GetNofRowSegments();++iseg){
      //for each row segments
      AliMpVRowSegment* seg = sub->GetRowSegment(iseg);

      // update the bottom-left corner
      if (bl.X()>seg->Position().X()-seg->Dimensions().X())
	bl.Set(seg->Position().X()-seg->Dimensions().X(),bl.Y());
      if (bl.Y()>seg->Position().Y()-seg->Dimensions().Y())
	bl.Set(bl.X(),seg->Position().Y()-seg->Dimensions().Y());
      // update the upper-right corner
      if (ur.X()<seg->Position().X()+seg->Dimensions().X())
	ur.Set(seg->Position().X()+seg->Dimensions().X(),ur.Y());
      if (ur.Y()<seg->Position().Y()+seg->Dimensions().Y())
	ur.Set(ur.X(),seg->Position().Y()+seg->Dimensions().Y());
    } //iseg
  } //isub
  return (ur+bl)/2.;
}

//_______________________________________________________________________
TVector2 AliMpZonePainter::GetDimensions() const
{
  //// Get the owned object's dimensions

  if (fZone->GetNofSubZones()<1) return TVector2(0.,0.);

  TVector2 bl(9999,9999),ur(-9999,-9999);

  for (Int_t isub=0;isub<fZone->GetNofSubZones();++isub){
    // for each sub-zones
    AliMpSubZone* sub = fZone->GetSubZone(isub);
    for (Int_t iseg=0;iseg<sub->GetNofRowSegments();++iseg){
      //for each row segments
      AliMpVRowSegment* seg = sub->GetRowSegment(iseg);

      // update the bottom-left corner
      if (bl.X()>seg->Position().X()-seg->Dimensions().X())
	bl.Set(seg->Position().X()-seg->Dimensions().X(),bl.Y());
      if (bl.Y()>seg->Position().Y()-seg->Dimensions().Y())
	bl.Set(bl.X(),seg->Position().Y()-seg->Dimensions().Y());
      // update the upper-right corner
      if (ur.X()<seg->Position().X()+seg->Dimensions().X())
	ur.Set(seg->Position().X()+seg->Dimensions().X(),ur.Y());
      if (ur.Y()<seg->Position().Y()+seg->Dimensions().Y())
	ur.Set(ur.X(),seg->Position().Y()+seg->Dimensions().Y());
    } //iseg
  } //isub
  return (ur-bl)/2.;
}

//_______________________________________________________________________
void AliMpZonePainter::Draw(Option_t *option)
{
/// Draw the sector on the current pad
/// The first letter of \a option is treated as follows:
/// - case "S" : each sub zones are drawn separately
/// - case ""  : the whole zone is drawn at once
/// in both cases, the rest of the option is passed
/// as argument to the Draw function of respectively
/// zone or row objects.

  AliMpGraphContext *gr = AliMpGraphContext::Instance();
  if (!fZone) return;

  gr->Push();
  InitGraphContext();
  switch (option[0]){
  case 'S':
    {
      for (Int_t iSubZone=0;iSubZone<fZone->GetNofSubZones();++iSubZone){
	AliMpSubZone *subZone = fZone->GetSubZone(iSubZone);
	gr->Push();

	Double_t blx=  9999,  bly=  9999;
	Double_t urx= -9999,  ury= -9999;

	  for (Int_t iRowSeg=0;iRowSeg<subZone->GetNofRowSegments();++iRowSeg){
	    AliMpVRowSegment *rowSegment = subZone->GetRowSegment(iRowSeg);

	    TVector2 bl = rowSegment->Position();
	    bl-=rowSegment->Dimensions();
	    TVector2 ur = rowSegment->Position();
	    ur+=rowSegment->Dimensions();
	    
	    if (bl.X()<blx) blx=bl.X();
	    if (bl.Y()<bly) bly=bl.Y();
	    if (ur.X()>urx) urx=ur.X();
	    if (ur.Y()>ury) ury=ur.Y();
	  }
	  TVector2 position ( (urx+blx)/2.,(ury+bly)/2. );
	  TVector2 dimensions( (urx-blx)/2.,(ury-bly)/2. );
      
	  gr->SetPadPosForReal(position,dimensions);
	  gr->SetColor((fZone->GetID()-1)*5+iSubZone+2);
	  DrawObject(subZone,option+1);
      
	  gr->Pop();
      }
    }
    break;
  default: AppendPad(option);
  }
  gr->Pop();
}

//_______________________________________________________________________
void AliMpZonePainter::Paint(Option_t *option)
{
//// Paint the object

  AliMpGraphContext *gr = AliMpGraphContext::Instance();
  if (!fZone) return;
  if (fZone->GetNofSubZones()<1) return;
  gr->Push();
  gPad->Range(0.,0.,1.,1.);

  Int_t col=gVirtualX->GetFillColor();
  InitGraphContext();
  
  gVirtualX->SetFillColor(GetColor());
  Float_t textSize =   gVirtualX->GetTextSize();
  for (Int_t iSubZone=0;iSubZone<fZone->GetNofSubZones();++iSubZone){
    AliMpSubZone *subZone = fZone->GetSubZone(iSubZone);
    for (Int_t iRowSeg=0;iRowSeg<subZone->GetNofRowSegments();++iRowSeg){
      AliMpVRowSegment *rowSegment = subZone->GetRowSegment(iRowSeg);
      TVector2 pos,dim;
      gr->RealToPad(rowSegment->Position(),rowSegment->Dimensions(),
		    pos,dim);
      gPad->PaintBox(pos.X()-dim.X(),pos.Y()-dim.Y(),
		     pos.X()+dim.X(),pos.Y()+dim.Y());
      if (option[0]=='T'){
	gVirtualX->SetTextSize(15);
	gPad->PaintText(pos.X()-0.01,pos.Y()-0.01,
			Form("%d",fZone->GetID()));
      }
    }
  }
  gVirtualX->SetTextSize(textSize);
  gVirtualX->SetFillColor(col);
  gr->Pop();
}
Commit	Line	Data
dee1d5f1	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
5f91c9e8	16	// $Id$
13985652	17	// $MpId: AliMpZonePainter.cxx,v 1.8 2006/05/24 13:58:32 ivana Exp $
5f91c9e8	18	// Category: graphics
	19	//
	20	// Class AliMpZonePainter
	21	// ----------------------
	22	// Class for drawing a zone into canvas
dbe945cc	23	// Included in AliRoot: 2003/05/02
5f91c9e8	24	// Authors: David Guez, IPN Orsay
	25
	26	#include "AliMpZonePainter.h"
	27	#include "AliMpGraphContext.h"
	28	#include "AliMpZone.h"
	29	#include "AliMpSubZone.h"
	30	#include "AliMpVRowSegment.h"
5f91c9e8	31
2c605e66	32	#include <TVirtualX.h>
	33	#include <TPad.h>
	34
13985652	35	/// \cond CLASSIMP
5f91c9e8	36	ClassImp(AliMpZonePainter)
13985652	37	/// \endcond
5f91c9e8	38
	39	//_______________________________________________________________________
	40	AliMpZonePainter::AliMpZonePainter()
	41	: AliMpVPainter(),
	42	fZone(0)
	43	{
dee1d5f1	44	/// Default constructor
5f91c9e8	45	}
	46
	47	//_______________________________________________________________________
	48	AliMpZonePainter::AliMpZonePainter(AliMpZone *zone)
	49	: AliMpVPainter(),
	50	fZone(zone)
	51	{
dee1d5f1	52	/// Standard constructor
5f91c9e8	53
	54	}
	55
	56	//_______________________________________________________________________
2998a151	57	AliMpZonePainter::~AliMpZonePainter()
2998a151	58	{
dee1d5f1	59	/// Destructor
2998a151	60	}
	61
	62	//_______________________________________________________________________
5f91c9e8	63	Int_t AliMpZonePainter::DistancetoPrimitive(Int_t x, Int_t y)
5f91c9e8	64	{
dee1d5f1	65	/// Distance to the nearest segment center if (x,y) is inside the zone
	66	/// 9999 otherwise
	67
5f91c9e8	68	if (fZone->GetNofSubZones()<1) return 9999;
	69	AliMpGraphContext *gr = AliMpGraphContext::Instance();
	70
	71	gr->Push();
	72	InitGraphContext();
	73
	74	TVector2 point = TVector2(gPad->AbsPixeltoX(x), gPad->AbsPixeltoY(y));
	75
	76	Double_t res=9999.;
	77	for (Int_t isub=0;isub<fZone->GetNofSubZones();++isub){
	78	// for each sub-zones
	79	AliMpSubZone* sub = fZone->GetSubZone(isub);
	80	for (Int_t iseg=0;iseg<sub->GetNofRowSegments();++iseg){
	81	//for each row segments
	82	AliMpVRowSegment* seg = sub->GetRowSegment(iseg);
	83
	84	TVector2 pos,dim;
	85	gr->RealToPad(seg->Position(),seg->Dimensions(),pos,dim);
	86
	87	if ( IsInside(point,pos,dim) ){
	88	Double_t value = (point-pos).Mod();
	89	if (value<res) res=value;
	90	}
	91	}
	92	}
	93	gr->Pop();
	94	return (Int_t)res;
	95	}
	96
	97	//_______________________________________________________________________
	98	void AliMpZonePainter::DumpObject()
	99	{
dee1d5f1	100	/// Dump the owned object
5f91c9e8	101
dee1d5f1	102	fZone->Dump();
5f91c9e8	103	}
	104
	105	//_______________________________________________________________________
	106	TVector2 AliMpZonePainter::GetPosition() const
	107	{
dee1d5f1	108	//// Get the owned object's position
5f91c9e8	109
	110	if (fZone->GetNofSubZones()<1) return TVector2(0.,0.);
	111
	112	TVector2 bl(9999,9999),ur(-9999,-9999);
	113
	114	for (Int_t isub=0;isub<fZone->GetNofSubZones();++isub){
	115	// for each sub-zones
	116	AliMpSubZone* sub = fZone->GetSubZone(isub);
	117	for (Int_t iseg=0;iseg<sub->GetNofRowSegments();++iseg){
	118	//for each row segments
	119	AliMpVRowSegment* seg = sub->GetRowSegment(iseg);
	120
	121	// update the bottom-left corner
	122	if (bl.X()>seg->Position().X()-seg->Dimensions().X())
	123	bl.Set(seg->Position().X()-seg->Dimensions().X(),bl.Y());
	124	if (bl.Y()>seg->Position().Y()-seg->Dimensions().Y())
	125	bl.Set(bl.X(),seg->Position().Y()-seg->Dimensions().Y());
	126	// update the upper-right corner
	127	if (ur.X()<seg->Position().X()+seg->Dimensions().X())
	128	ur.Set(seg->Position().X()+seg->Dimensions().X(),ur.Y());
	129	if (ur.Y()<seg->Position().Y()+seg->Dimensions().Y())
	130	ur.Set(ur.X(),seg->Position().Y()+seg->Dimensions().Y());
	131	} //iseg
	132	} //isub
	133	return (ur+bl)/2.;
	134	}
	135
	136	//_______________________________________________________________________
	137	TVector2 AliMpZonePainter::GetDimensions() const
	138	{
dee1d5f1	139	//// Get the owned object's dimensions
5f91c9e8	140
	141	if (fZone->GetNofSubZones()<1) return TVector2(0.,0.);
	142
	143	TVector2 bl(9999,9999),ur(-9999,-9999);
	144
	145	for (Int_t isub=0;isub<fZone->GetNofSubZones();++isub){
	146	// for each sub-zones
	147	AliMpSubZone* sub = fZone->GetSubZone(isub);
	148	for (Int_t iseg=0;iseg<sub->GetNofRowSegments();++iseg){
	149	//for each row segments
	150	AliMpVRowSegment* seg = sub->GetRowSegment(iseg);
	151
	152	// update the bottom-left corner
	153	if (bl.X()>seg->Position().X()-seg->Dimensions().X())
	154	bl.Set(seg->Position().X()-seg->Dimensions().X(),bl.Y());
	155	if (bl.Y()>seg->Position().Y()-seg->Dimensions().Y())
	156	bl.Set(bl.X(),seg->Position().Y()-seg->Dimensions().Y());
	157	// update the upper-right corner
	158	if (ur.X()<seg->Position().X()+seg->Dimensions().X())
	159	ur.Set(seg->Position().X()+seg->Dimensions().X(),ur.Y());
	160	if (ur.Y()<seg->Position().Y()+seg->Dimensions().Y())
	161	ur.Set(ur.X(),seg->Position().Y()+seg->Dimensions().Y());
	162	} //iseg
	163	} //isub
	164	return (ur-bl)/2.;
	165	}
	166
	167	//_______________________________________________________________________
	168	void AliMpZonePainter::Draw(Option_t *option)
	169	{
dee1d5f1	170	/// Draw the sector on the current pad
13985652	171	/// The first letter of \a option is treated as follows:
dee1d5f1	172	/// - case "S" : each sub zones are drawn separately
	173	/// - case "" : the whole zone is drawn at once
	174	/// in both cases, the rest of the option is passed
	175	/// as argument to the Draw function of respectively
	176	/// zone or row objects.
5f91c9e8	177
	178	AliMpGraphContext *gr = AliMpGraphContext::Instance();
	179	if (!fZone) return;
	180
	181	gr->Push();
	182	InitGraphContext();
	183	switch (option[0]){
	184	case 'S':
	185	{
	186	for (Int_t iSubZone=0;iSubZone<fZone->GetNofSubZones();++iSubZone){
	187	AliMpSubZone *subZone = fZone->GetSubZone(iSubZone);
	188	gr->Push();
	189
	190	Double_t blx= 9999, bly= 9999;
	191	Double_t urx= -9999, ury= -9999;
	192
	193	for (Int_t iRowSeg=0;iRowSeg<subZone->GetNofRowSegments();++iRowSeg){
	194	AliMpVRowSegment *rowSegment = subZone->GetRowSegment(iRowSeg);
	195
	196	TVector2 bl = rowSegment->Position();
	197	bl-=rowSegment->Dimensions();
	198	TVector2 ur = rowSegment->Position();
	199	ur+=rowSegment->Dimensions();
	200
	201	if (bl.X()<blx) blx=bl.X();
	202	if (bl.Y()<bly) bly=bl.Y();
	203	if (ur.X()>urx) urx=ur.X();
	204	if (ur.Y()>ury) ury=ur.Y();
	205	}
	206	TVector2 position ( (urx+blx)/2.,(ury+bly)/2. );
	207	TVector2 dimensions( (urx-blx)/2.,(ury-bly)/2. );
	208
	209	gr->SetPadPosForReal(position,dimensions);
	210	gr->SetColor((fZone->GetID()-1)*5+iSubZone+2);
	211	DrawObject(subZone,option+1);
	212
	213	gr->Pop();
	214	}
	215	}
	216	break;
	217	default: AppendPad(option);
	218	}
	219	gr->Pop();
	220	}
	221
	222	//_______________________________________________________________________
	223	void AliMpZonePainter::Paint(Option_t *option)
	224	{
dee1d5f1	225	//// Paint the object
dee1d5f1	226
5f91c9e8	227	AliMpGraphContext *gr = AliMpGraphContext::Instance();
	228	if (!fZone) return;
	229	if (fZone->GetNofSubZones()<1) return;
	230	gr->Push();
	231	gPad->Range(0.,0.,1.,1.);
	232
	233	Int_t col=gVirtualX->GetFillColor();
	234	InitGraphContext();
	235
	236	gVirtualX->SetFillColor(GetColor());
	237	Float_t textSize = gVirtualX->GetTextSize();
	238	for (Int_t iSubZone=0;iSubZone<fZone->GetNofSubZones();++iSubZone){
	239	AliMpSubZone *subZone = fZone->GetSubZone(iSubZone);
	240	for (Int_t iRowSeg=0;iRowSeg<subZone->GetNofRowSegments();++iRowSeg){
	241	AliMpVRowSegment *rowSegment = subZone->GetRowSegment(iRowSeg);
	242	TVector2 pos,dim;
	243	gr->RealToPad(rowSegment->Position(),rowSegment->Dimensions(),
	244	pos,dim);
	245	gPad->PaintBox(pos.X()-dim.X(),pos.Y()-dim.Y(),
	246	pos.X()+dim.X(),pos.Y()+dim.Y());
	247	if (option[0]=='T'){
	248	gVirtualX->SetTextSize(15);
	249	gPad->PaintText(pos.X()-0.01,pos.Y()-0.01,
	250	Form("%d",fZone->GetID()));
	251	}
	252	}
	253	}
	254	gVirtualX->SetTextSize(textSize);
	255	gVirtualX->SetFillColor(col);
	256	gr->Pop();
	257	}