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4 * Author: The ALICE Off-line Project. *
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14 **************************************************************************/
17 // $MpId: AliMpRowSegmentLSpecial.cxx,v 1.7 2006/05/24 13:58:46 ivana Exp $
20 //-----------------------------------------------------------------------------
21 // Class AliMpRowSegmentLSpecial
22 // -----------------------------
23 // Class describing a special inner row segment composed of the
25 // Included in AliRoot: 2003/05/02
26 // Authors: David Guez, Ivana Hrivnacova; IPN Orsay
27 //-----------------------------------------------------------------------------
29 #include <Riostream.h>
32 #include "AliMpRowSegmentLSpecial.h"
34 #include "AliMpPadRow.h"
35 #include "AliMpVPadRowSegment.h"
36 #include "AliMpMotif.h"
37 #include "AliMpMotifType.h"
38 #include "AliMpMotifMap.h"
39 #include "AliMpMotifPosition.h"
40 #include "AliMpConstants.h"
41 #include "AliMpEncodePair.h"
46 ClassImp(AliMpRowSegmentLSpecial)
49 //______________________________________________________________________________
50 AliMpRowSegmentLSpecial::AliMpRowSegmentLSpecial(AliMpRow* row, Double_t offsetX)
51 : AliMpVRowSegmentSpecial(row, offsetX)
53 /// Standard constructor
56 //______________________________________________________________________________
57 AliMpRowSegmentLSpecial::AliMpRowSegmentLSpecial()
58 : AliMpVRowSegmentSpecial()
60 /// Default constructor
63 //______________________________________________________________________________
64 AliMpRowSegmentLSpecial::~AliMpRowSegmentLSpecial()
73 //______________________________________________________________________________
75 AliMpRowSegmentLSpecial::FindMostRightPadRowSegment(Int_t motifPositionId) const
77 /// Find the most right pad row segment with this motifPositionId.
79 AliMpVPadRowSegment* found = 0;
81 for (Int_t i=0; i<GetNofPadRows(); i++) {
82 AliMpPadRow* padRow = GetPadRow(i);
84 for (Int_t j=0; j<padRow->GetNofPadRowSegments(); j++) {
85 AliMpVPadRowSegment* padRowSegment = padRow->GetPadRowSegment(j);
87 if ( padRowSegment->GetMotifPositionId() == motifPositionId &&
88 (!found || padRowSegment->RightBorderX() > found->RightBorderX()))
90 found = padRowSegment;
101 //______________________________________________________________________________
102 TVector2 AliMpRowSegmentLSpecial::MotifCenterSlow(Int_t motifPositionId) const
104 /// Return the coordinates of the motif specified with
105 /// the given position identifier. \n
106 /// !! Applicable only for motifs that have their most down pad in
107 /// this row segment.
109 // Find the first (left, down) pad row segment with this motifPositionId.
110 AliMpVPadRowSegment* downPadRowSegment
111 = FindPadRowSegment(motifPositionId);
112 AliMpVPadRowSegment* rightPadRowSegment
113 = FindMostRightPadRowSegment(motifPositionId);
115 // Check if the motifPositionId is present
116 if (!downPadRowSegment || !rightPadRowSegment) {
117 AliErrorStream() << "Outside row segment region" << endl;
121 // Check if both pad row segments have the same motif
122 if (downPadRowSegment->GetMotif() != rightPadRowSegment->GetMotif()) {
123 AliFatal("Outside row segment region");
127 // Get position of found row segment
128 Double_t x = rightPadRowSegment->RightBorderX();
129 Double_t y = GetRow()->LowBorderY() ;
131 for (Int_t i=0; i<downPadRowSegment->GetPadRow()->GetID(); i++)
132 y += GetPadRow(i)->HalfSizeY()*2.;
134 // Add motifs dimensions
135 x -= downPadRowSegment->GetMotif()->Dimensions().X();
136 y += downPadRowSegment->GetMotif()->Dimensions().Y();
138 return TVector2(x, y);
145 //______________________________________________________________________________
146 void AliMpRowSegmentLSpecial::UpdatePadsOffset()
148 /// Set low indices limit to the pad offset calculated
149 /// from the neighbour normal segment.
151 // Get the neighbour row segment
152 // (the first normal segment)
153 AliMpVRowSegment* neighbour = GetRow()->GetRowSegment(1);
155 // Get the the pads offset of the neighbour row segment
156 // (the first normal segment)
157 MpPair_t offset = neighbour->GetLowIndicesLimit();
159 // Find max nof pads in a row
160 Int_t maxNofPads = MaxNofPadsInRow();
163 SetLowIndicesLimit(offset - AliMp::Pair(maxNofPads, 0));
165 // Reset limits in the neighbour row segment
166 // (pad offset is now included in the special segment)
167 neighbour->SetLowIndicesLimit(0, neighbour->GetLowLimitIy());
170 //______________________________________________________________________________
171 Double_t AliMpRowSegmentLSpecial::LeftBorderX() const
173 /// Return the x coordinate of the left row segment border
174 /// in the global coordinate system.
176 Double_t leftBorder = DBL_MAX;
177 for (Int_t i=0; i<GetNofPadRows(); i++) {
178 AliMpPadRow* padRow = GetPadRow(i);
180 = padRow->GetPadRowSegment(padRow->GetNofPadRowSegments()-1)->LeftBorderX();
182 if (border < leftBorder) leftBorder = border;
188 //______________________________________________________________________________
189 Double_t AliMpRowSegmentLSpecial::RightBorderX() const
191 /// Returns the x coordinate of the right row segment border
192 /// in the global coordinate system.
194 Double_t sameBorder = GetOffsetX();
197 Double_t rightBorder = -DBL_MAX;
198 for (Int_t i=0; i<GetNofPadRows(); i++) {
199 AliMpPadRow* padRow = GetPadRow(i);
200 Double_t border = padRow->GetPadRowSegment(0)->RightBorderX();
201 if (border > rightBorder) rightBorder = border;
204 if (TMath::Abs(GetOffsetX() - rightBorder) > 1.e-04) {
205 AliErrorStream() << "WrongBorder" << endl;
212 //______________________________________________________________________________
213 TVector2 AliMpRowSegmentLSpecial::Position() const
215 /// Return the position of the row segment centre.
216 /// The centre is defined as the centre of the rectangular
217 /// row segment envelope.
219 Double_t x = GetOffsetX() - Dimensions().X();
220 Double_t y = GetRow()->Position().Y();
222 return TVector2(x, y);
225 #include <Riostream.h>
226 //______________________________________________________________________________
227 Int_t AliMpRowSegmentLSpecial::SetIndicesToMotifPosition(Int_t i, MpPair_t indices)
229 /// Set global indices to i-th motif position and returns next index in x.
231 // Get motif position
232 AliMpMotifPosition* motifPosition
233 = GetRow()->GetMotifMap()->FindMotifPosition(GetMotifPositionId(i));
237 = AliMp::Pair(GetLowLimitIx() + AliMpConstants::StartPadIndex(),
238 AliMp::PairSecond(indices))
239 + FindRelativeLowIndicesOf(GetMotifPositionId(i));
241 if (! motifPosition->IsHighLimitValid()) {
242 motifPosition->SetLowIndicesLimit(low);
245 if ( motifPosition->GetLowLimitIx() > AliMp::PairFirst(low) )
246 motifPosition->SetLowIndicesLimit(
247 AliMp::PairFirst(low),
248 motifPosition->GetLowLimitIy());
250 if ( motifPosition->GetLowLimitIy() > AliMp::PairSecond(low) )
251 motifPosition->SetLowIndicesLimit(
252 motifPosition->GetLowLimitIx(),
253 AliMp::PairSecond(low) );
257 AliMpMotifType* motifType = motifPosition->GetMotif()->GetMotifType();
259 = motifPosition->GetLowIndicesLimit()
260 + AliMp::Pair(motifType->GetNofPadsX()-1, motifType->GetNofPadsY()-1);
262 motifPosition->SetHighIndicesLimit(high);
264 // Increment index only if last motif position is processed
265 if ( i != GetNofMotifs()-1 )
266 return AliMp::PairFirst(indices);
269 return AliMp::PairFirst(indices) + MaxNofPadsInRow();
270 //return MaxNofPadsInRow();
272 //______________________________________________________________________________
273 void AliMpRowSegmentLSpecial::SetGlobalIndices(AliMpRow* rowBefore)
275 /// Set indices limits
276 /// The limits are defined as the limits of the smallest rectangle which
277 /// includes all pads of this special row segment.
280 Int_t ixl = GetLowLimitIx() + AliMpConstants::StartPadIndex();
281 // the pads offset was already defined by Reader
284 Int_t ixh = ixl + MaxNofPadsInRow() - 1;
287 Int_t iyl = AliMpConstants::StartPadIndex();
289 //if (constPadSizeDirection == kY) {
290 iyl = rowBefore->GetHighLimitIy()+1;
294 AliMpVRowSegment* seg = rowBefore->FindRowSegment(ixl);
295 AliMpMotifPosition* motPos = rowBefore->FindMotifPosition(seg, ixl);
297 Fatal("SetGlobalIndices", "Motif position in rowBefore not found.");
298 iyl = motPos->GetHighLimitIy()+1;
304 Int_t iyh = iyl + GetNofPadRows() - 1;
306 SetLowIndicesLimit(ixl, iyl);
307 SetHighIndicesLimit(ixh, iyh);