1 /**************************************************************************
2 * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. *
3 * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for *
4 * full copyright notice. *
5 **************************************************************************/
6 // Author: Mihai Niculescu 2013
10 * This script creates a collage containing all OpenGL views from a running AliEve
12 * Given Collage size (width, height), the size for all OpenGL
13 * views are computed using the same aspect ratio (width/height) as the main 3D View
17 #include <TGLViewer.h>
18 #include <TEveViewer.h>
19 #include <TEveManager.h>
22 #include <TTimeStamp.h>
24 #include <STEER/ESD/AliESDEvent.h>
25 #include <STEER/ESD/AliESDRun.h>
26 #include <STEER/STEER/AliGRPObject.h>
27 #include <STEER/CDB/AliCDBEntry.h>
28 #include <STEER/CDB/AliCDBManager.h>
29 #include <RAW/AliRawReader.h>
30 #include <RAW/AliRawEventHeaderBase.h>
31 #include <EVE/EveBase/AliEveEventManager.h>
33 TString getEventInfo();
35 /***********Save all OpenGL views into one picture
36 compositeImgFileName - save final image to this file
37 showLiveBar - whether to show the LIVE bar, useful when not online (using offline)
38 width - of the collage image
39 height -of the collage image
41 void saveViews(const char* compositeImgFileName="views.png", Bool_t showLiveBar=kTRUE, Int_t width = 1440, Int_t height= 900)
43 Info("saveViews.C", "saving views to [%s]", compositeImgFileName);
45 Int_t heightInfoBar = 65; // hold height of the Information bar
47 TASImage* compositeImg=0; // this holds the final image
48 TASImage* tempImg=0; // temporary used for loading images
50 TEveViewerList* viewers = gEve->GetViewers();
51 Int_t Nviewers = viewers->NumChildren()-2; // remark: 3D view is counted twice
53 compositeImg = new TASImage(width, height);
56 Int_t width3DView = TMath::FloorNint((float)Nviewers*width/(float)(Nviewers+1)); // the width of the 3D view
57 Int_t height3DView= height-heightInfoBar; // the height of the 3D view
58 Float_t aspectRatio = (float)width3DView/(float)height3DView; // 3D View aspect ratio
61 Int_t heightChildView = TMath::FloorNint((float)height3DView/(float)Nviewers);
62 Int_t widthChildView = TMath::FloorNint(aspectRatio*heightChildView); // has the same aspect ratio as the 3D view
64 int index=0; // iteration counter
65 int x = width3DView; // x position of the child view
66 int y = 0;// y position of the child view
67 TString viewFilename; // save view to this file
68 for(TEveElement::List_i i = (++viewers->BeginChildren()); i != viewers->EndChildren(); i++){ // NB: this skips the first children (first 3D View)
69 TEveViewer* view = ((TEveViewer*)*i);
70 viewFilename = Form("view-%d.png", index);
72 // Save OpenGL views in files
74 view->GetGLViewer()->SavePictureUsingFBO(viewFilename, width3DView, height3DView);
77 view->GetGLViewer()->SavePictureUsingFBO(viewFilename, widthChildView, heightChildView);
80 tempImg = new TASImage(viewFilename);
82 // copy view image in the composite image
84 tempImg->CopyArea(compositeImg, 0,0, width3DView, height3DView);
87 tempImg->CopyArea(compositeImg, 0,0, widthChildView, heightChildView, x,y);
89 // draw a border around child views
90 compositeImg->DrawRectangle(x,y, widthChildView, heightChildView, "#C0C0C0");
94 final touches inside loop
97 if(index>0) // skip 3D View
103 // Create a glow (bloom) effect
104 tempImg = (TASImage*)compositeImg->Clone("tempImg");
105 tempImg->Blur(10.0,10.0);
106 compositeImg->Merge(tempImg, "lighten");
107 delete tempImg; tempImg = 0;
113 TString tNow = ts.AsString("s"); // display date & time
115 compositeImg->Gradient( 90, "#EAEAEA #D2D2D2 #FFFFFF", 0, 75, 0, 239, 95);
116 compositeImg->Gradient( 90, "#D6D6D6 #242424 #000000", 0, 155, 60, 152, 26);
117 compositeImg->BeginPaint();
118 compositeImg->DrawRectangle(50,0, 264, 94);
119 compositeImg->DrawText(162, 6, "LIVE", 70, "#FF2D00", "FreeSansBold.otf");
120 compositeImg->DrawText(162, 65, tNow, 16, "#FFFFFF", "arial.ttf");
121 compositeImg->EndPaint();
123 tempImg = new TASImage( Form("%s/picts/2012-Jul-04-4_Color_Logo_small_CB.png", gSystem->Getenv("ALICE_ROOT")) );
124 tempImg->Scale(64,86);
125 //tempImg->CopyArea(compositeImg, 0,0, 236, 319, 59, 4);
126 compositeImg->Merge(tempImg, "alphablend", 82, 4);
127 delete tempImg; tempImg = 0;
130 // show Information bar
132 stringInfo = getEventInfo();
133 compositeImg->Gradient( 90, "#1B58BF #1D5CDF #0194FF", 0, 0, height-heightInfoBar, width, heightInfoBar);
134 compositeImg->BeginPaint();
135 compositeImg->DrawText(10, height-heightInfoBar+15, stringInfo, 28, "#FFFFFF", "FreeSansBold.otf");
136 compositeImg->EndPaint();
139 // write composite image to disk
140 compositeImg->CopyArea(compositeImg, 0,0, width, height);
141 compositeImg->WriteImage(compositeImgFileName);
148 // This function retrieves a string containing some information regarding the current event
149 TString getEventInfo()
151 // For general public please show as less or technical information as possible
153 TString rawInfo, esdInfo;
155 if (!AliEveEventManager::HasRawReader())
161 AliRawReader* rawReader = AliEveEventManager::AssertRawReader();
162 if(!rawReader) return "";
163 rawInfo.Form("Run: %d Event#: %d (%s)",
164 rawReader->GetRunNumber(),
165 AliEveEventManager::CurrentEventId(),
166 AliRawEventHeaderBase::GetTypeName(rawReader->GetType())
172 if (!AliEveEventManager::HasESD())
178 AliESDEvent* esd = AliEveEventManager::AssertESD();
180 esdInfo.Form("Colliding: %s Run: %d Event: %d (%s)",
181 esd->GetESDRun()->GetBeamType(),
183 AliEveEventManager::CurrentEventId(),
184 AliRawEventHeaderBase::GetTypeName(esd->GetEventType())