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0145e89a | 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 | ||
16 | // $Id$ | |
17 | ||
18 | #include "AliMUONPainterContour.h" | |
19 | ||
20 | #include "AliMpArea.h" | |
21 | #include "AliLog.h" | |
22 | #include <Riostream.h> | |
23 | #include <TGeoMatrix.h> | |
24 | #include <TMath.h> | |
25 | #include <TObjArray.h> | |
26 | #include <TPolyLine.h> | |
27 | #include <TString.h> | |
28 | #include <TVector2.h> | |
29 | #include <TVirtualX.h> | |
30 | #include <float.h> | |
31 | ||
32 | ///\class AliMUONPainterContour | |
33 | /// | |
34 | /// Contour for one painter. A contour is a set of TPolyLine (one polyline | |
35 | /// per closed shape). | |
36 | /// | |
37 | ///\author Laurent Aphecetche, Subatech | |
38 | ||
39 | ///\cond CLASSIMP | |
40 | ClassImp(AliMUONPainterContour) | |
41 | ///\endcond | |
42 | ||
43 | //_____________________________________________________________________________ | |
44 | AliMUONPainterContour::AliMUONPainterContour(const char* name) : TNamed(name,""), | |
45 | fPolyLines(new TObjArray), | |
46 | fXmin(FLT_MAX), | |
47 | fXmax(-FLT_MAX), | |
48 | fYmin(FLT_MAX), | |
49 | fYmax(-FLT_MAX) | |
50 | { | |
51 | /// ctor | |
52 | fPolyLines->SetOwner(kTRUE); | |
53 | } | |
54 | ||
55 | //_____________________________________________________________________________ | |
56 | AliMUONPainterContour::AliMUONPainterContour(const char* name, const AliMpArea& area) | |
57 | : TNamed(name,""), | |
58 | fPolyLines(new TObjArray), | |
59 | fXmin(area.LeftBorder()), | |
60 | fXmax(area.RightBorder()), | |
61 | fYmin(area.DownBorder()), | |
62 | fYmax(area.UpBorder()) | |
63 | { | |
64 | /// ctor | |
65 | fPolyLines->SetOwner(kTRUE); | |
66 | TPolyLine* line = new TPolyLine(5); | |
67 | Double_t x = area.Position().X(); | |
68 | Double_t y = area.Position().Y(); | |
69 | Double_t dx = area.Dimensions().X(); | |
70 | Double_t dy = area.Dimensions().Y(); | |
71 | line->SetPoint(0,x-dx,y-dy); | |
72 | line->SetPoint(1,x-dx,y+dy); | |
73 | line->SetPoint(2,x+dx,y+dy); | |
74 | line->SetPoint(3,x+dx,y-dy); | |
75 | line->SetPoint(4,x-dx,y-dy); | |
76 | ||
77 | fPolyLines->AddLast(line); | |
78 | } | |
79 | ||
80 | //______________________________________________________________________________ | |
81 | AliMUONPainterContour::AliMUONPainterContour(const AliMUONPainterContour& rhs) | |
82 | : TNamed(rhs), | |
83 | fPolyLines(0x0), | |
84 | fXmin(FLT_MAX), | |
85 | fXmax(-FLT_MAX), | |
86 | fYmin(FLT_MAX), | |
87 | fYmax(-FLT_MAX) | |
88 | { | |
89 | /// Copy constructor. | |
90 | ||
91 | ((AliMUONPainterContour&)rhs).Copy(*this); | |
92 | } | |
93 | ||
94 | //______________________________________________________________________________ | |
95 | AliMUONPainterContour& | |
96 | AliMUONPainterContour::operator=(const AliMUONPainterContour& rhs) | |
97 | { | |
98 | /// Assignment operator | |
99 | if ( this != &rhs ) | |
100 | { | |
101 | delete fPolyLines; | |
102 | fPolyLines = 0; | |
103 | rhs.Copy(*this); | |
104 | } | |
105 | return *this; | |
106 | } | |
107 | ||
108 | //_____________________________________________________________________________ | |
109 | AliMUONPainterContour::~AliMUONPainterContour() | |
110 | { | |
111 | /// dtor | |
112 | delete fPolyLines; | |
113 | } | |
114 | ||
115 | //_____________________________________________________________________________ | |
116 | void | |
117 | AliMUONPainterContour::AdoptPolyLine(TPolyLine* line) | |
118 | { | |
119 | /// Adopt one polyline into our array of polylines | |
120 | fPolyLines->AddLast(line); | |
121 | for ( Int_t i = 0; i <= line->GetLastPoint(); ++i ) | |
122 | { | |
123 | Double_t x = line->GetX()[i]; | |
124 | Double_t y = line->GetY()[i]; | |
125 | fXmin = TMath::Min(fXmin,x); | |
126 | fXmax = TMath::Max(fXmax,x); | |
127 | fYmin = TMath::Min(fYmin,y); | |
128 | fYmax = TMath::Max(fYmax,y); | |
129 | } | |
130 | } | |
131 | ||
132 | //_____________________________________________________________________________ | |
133 | AliMpArea | |
134 | AliMUONPainterContour::Area() const | |
135 | { | |
136 | /// Return the area covered by this contour (i.e. the area that | |
137 | /// contains all the poylines) | |
138 | ||
139 | return AliMpArea( TVector2( (fXmax+fXmin)/2.0, (fYmax+fYmin)/2.0 ), | |
140 | TVector2( TMath::Abs(fXmax-fXmin)/2.0, TMath::Abs(fYmax-fYmin)/2.0 ) ); | |
141 | } | |
142 | ||
143 | //______________________________________________________________________________ | |
144 | void AliMUONPainterContour::Copy(TObject& obj) const | |
145 | { | |
146 | /// Copy this to obj | |
147 | ||
148 | AliMUONPainterContour& rhs = static_cast<AliMUONPainterContour&>(obj); | |
149 | TNamed::Copy(rhs); | |
150 | rhs.fPolyLines = new TObjArray; | |
151 | rhs.fPolyLines->SetOwner(kTRUE); | |
152 | TIter next(fPolyLines); | |
153 | TPolyLine* line; | |
154 | while ( ( line = static_cast<TPolyLine*>(next()) ) ) | |
155 | { | |
156 | rhs.fPolyLines->AddLast(line->Clone()); | |
157 | } | |
158 | rhs.fXmin = fXmin; | |
159 | rhs.fXmax = fXmax; | |
160 | rhs.fYmin = fYmin; | |
161 | rhs.fYmax = fYmax; | |
162 | } | |
163 | ||
164 | //_____________________________________________________________________________ | |
165 | Bool_t | |
166 | AliMUONPainterContour::IsInside(Double_t x, Double_t y) const | |
167 | { | |
168 | /// Whether the point (x,y) is inside one of ours polylines | |
169 | // if ( x >= fXmin && x <= fXmax && y >= fYmin && y <= fYmax ) | |
170 | { | |
171 | TIter next(fPolyLines); | |
172 | TPolyLine* line; | |
173 | while ( ( line = static_cast<TPolyLine*>(next()) ) ) | |
174 | { | |
175 | if ( TMath::IsInside(x,y,line->Size(),line->GetX(),line->GetY() ) ) | |
176 | { | |
177 | return kTRUE; | |
178 | } | |
179 | } | |
180 | } | |
181 | return kFALSE; | |
182 | } | |
183 | ||
184 | //_____________________________________________________________________________ | |
185 | void | |
186 | AliMUONPainterContour::Offset(const TVector2& offset) | |
187 | { | |
188 | /// Offset all lines by a given offset | |
189 | ||
190 | TIter next(fPolyLines); | |
191 | TPolyLine* line; | |
192 | ||
193 | while ( ( line = static_cast<TPolyLine*>(next()) ) ) | |
194 | { | |
195 | for ( Int_t i = 0; i <= line->GetLastPoint(); ++i ) | |
196 | { | |
197 | Double_t x = line->GetX()[i]; | |
198 | Double_t y = line->GetY()[i]; | |
199 | x += offset.X(); | |
200 | y += offset.Y(); | |
201 | line->SetPoint(i,x,y); | |
202 | } | |
203 | } | |
204 | ||
205 | fXmin += offset.X(); | |
206 | fXmax += offset.X(); | |
207 | fYmin += offset.Y(); | |
208 | fYmax += offset.Y(); | |
209 | } | |
210 | ||
211 | //_____________________________________________________________________________ | |
212 | void | |
213 | AliMUONPainterContour::PaintArea(Int_t fillColor, Int_t fillStyle) | |
214 | { | |
215 | /// Paint a filled contour | |
216 | ||
217 | Int_t fc = gVirtualX->GetFillColor(); | |
218 | Int_t fs = gVirtualX->GetFillStyle(); | |
219 | ||
220 | TIter next(fPolyLines); | |
221 | TPolyLine* line; | |
222 | ||
223 | while ( ( line = static_cast<TPolyLine*>(next()) ) ) | |
224 | { | |
225 | line->SetFillColor(fillColor); | |
226 | line->SetFillStyle(fillStyle); | |
227 | line->Paint("F"); | |
228 | } | |
229 | ||
230 | gVirtualX->SetFillColor(fc); | |
231 | gVirtualX->SetFillStyle(fs); | |
232 | } | |
233 | ||
234 | //_____________________________________________________________________________ | |
235 | void | |
236 | AliMUONPainterContour::PaintOutline(Int_t lineColor, Int_t lineWidth) | |
237 | { | |
238 | /// Paint the outline of this contour | |
239 | ||
240 | Int_t lc = gVirtualX->GetLineColor(); | |
241 | Int_t lw = gVirtualX->GetLineWidth(); | |
242 | ||
243 | TIter next(fPolyLines); | |
244 | TPolyLine* line; | |
245 | ||
246 | while ( ( line = static_cast<TPolyLine*>(next()) ) ) | |
247 | { | |
248 | line->SetLineColor(lineColor); | |
249 | line->SetLineWidth(lineWidth); | |
250 | line->Paint(); | |
251 | } | |
252 | ||
253 | gVirtualX->SetLineColor(lc); | |
254 | gVirtualX->SetLineWidth(lw); | |
255 | } | |
256 | ||
257 | //_____________________________________________________________________________ | |
258 | void | |
259 | AliMUONPainterContour::Print(Option_t* opt) const | |
260 | { | |
261 | /// Printout | |
262 | ||
263 | cout << GetName() << " Ngroups=" << fPolyLines->GetLast()+1; | |
264 | TString sopt(opt); | |
265 | sopt.ToUpper(); | |
266 | ||
267 | TIter next(fPolyLines); | |
268 | TPolyLine* line; | |
269 | while ( ( line = static_cast<TPolyLine*>(next()) ) ) | |
270 | { | |
271 | cout << " (" << line->Size() << ")"; | |
272 | if ( sopt.Contains("FULL") ) | |
273 | { | |
274 | cout << endl; | |
275 | for ( Int_t i = 0; i < line->Size(); ++i ) | |
276 | { | |
277 | Double_t x = line->GetX()[i]; | |
278 | Double_t y = line->GetY()[i]; | |
279 | cout << Form("Point %3d = %7.3f %7.3f",i,x,y) << endl; | |
280 | } | |
281 | } | |
282 | } | |
283 | cout << endl; | |
284 | } | |
285 | ||
286 | //_____________________________________________________________________________ | |
287 | void | |
288 | AliMUONPainterContour::Transform(const TGeoHMatrix& matrix) | |
289 | { | |
290 | /// Transform the polylines using the given transformation | |
291 | ||
292 | TIter next(fPolyLines); | |
293 | TPolyLine* line; | |
294 | while ( ( line = static_cast<TPolyLine*>(next()) ) ) | |
295 | { | |
296 | for ( Int_t i = 0; i < line->Size(); ++i ) | |
297 | { | |
298 | Double_t pl[3] = { line->GetX()[i], line->GetY()[i], 0 }; | |
299 | Double_t pg[3] = { 0., 0., 0. }; | |
300 | matrix.LocalToMaster(pl, pg); | |
301 | line->SetPoint(i,pg[0],pg[1]); | |
302 | } | |
303 | } | |
304 | ||
305 | ||
306 | Double_t pl[3] = { fXmin,fYmin, 0 }; | |
307 | Double_t pg[3] = { 0., 0., 0. }; | |
308 | matrix.LocalToMaster(pl, pg); | |
309 | ||
310 | fXmin = pg[0]; | |
311 | fYmin = pg[1]; | |
312 | ||
313 | pl[0] = fXmax; | |
314 | pl[1] = fYmax; | |
315 | ||
316 | matrix.LocalToMaster(pl, pg); | |
317 | fXmax = pg[0]; | |
318 | fYmax= pg[1]; | |
319 | } |