EVE/Alieve/TPCSector3DGL.cxx

   1 // $Header$
   2
   3 #include "TPCSector3DGL.h"
   4 #include <Alieve/TPCSector3D.h>
   5
   6 #include <Reve/BoxSetGL.h>
   7
   8 #include <TGLDrawFlags.h>
   9
  10 #ifdef WIN32
  11 #include "Windows4root.h"
  12 #endif
  13 #include <GL/gl.h>
  14 #include <GL/glu.h>
  15
  16 using namespace Reve;
  17 using namespace Alieve;
  18
  19 //______________________________________________________________________
  20 // TPCSector3DGL
  21 //
  22
  23 ClassImp(TPCSector3DGL)
  24
  25 TPCSector3DGL::TPCSector3DGL() : fSector(0), fBoxRnr(0)
  26 {
  27   // fCached = false; // Disable display list.
  28   fRTS = 0;
  29 }
  30
  31 TPCSector3DGL::~TPCSector3DGL()
  32 {
  33   delete fBoxRnr;
  34 }
  35
  36 /**************************************************************************/
  37
  38 Bool_t TPCSector3DGL::SetModel(TObject* obj)
  39 {
  40 #if ROOT_VERSION_CODE <= ROOT_VERSION(5,11,2)
  41   if(set_model(obj, "Alieve::TPCSector3D")) {
  42 #elif ROOT_VERSION_CODE <= ROOT_VERSION(5,13,0)
  43   if(SetModelCheckClass(obj, "Alieve::TPCSector3D")) {
  44 #else
  45   if(SetModelCheckClass(obj, Alieve::TPCSector3D::Class())) {
  46 #endif
  47     fSector = (TPCSector3D*) fExternalObj;
  48     if(fBoxRnr == 0) {
  49       fBoxRnr = new BoxSetGL;
  50       fBoxRnr->SetModel(&fSector->fBoxSet);
  51     }
  52     return kTRUE;
  53   }
  54   return kFALSE;
  55 }
  56
  57 void TPCSector3DGL::SetBBox()
  58 {
  59 #if ROOT_VERSION_CODE <= ROOT_VERSION(5,11,2)
  60   set_axis_aligned_bbox(((TPCSector3D*)fExternalObj)->AssertBBox());
  61 #else
  62   SetAxisAlignedBBox(((TPCSector3D*)fExternalObj)->AssertBBox());
  63 #endif
  64 }
  65
  66 /**************************************************************************/
  67
  68 void TPCSector3DGL::DirectDraw(const TGLDrawFlags & flags) const
  69 {
  70   // printf("TPCSector3DGL::DirectDraw Style %d, LOD %d\n", flags.Style(), flags.LOD());
  71
  72   if(fRTS < fSector->fRTS) {
  73     fSector->UpdateBoxes();
  74     fRTS = fSector->fRTS;
  75   }
  76
  77   Bool_t hasData = (fSector->GetSectorData() != 0);
  78
  79   if(hasData)
  80     fBoxRnr->Render(flags);
  81
  82   glPushAttrib(GL_CURRENT_BIT | GL_POINT_BIT | GL_ENABLE_BIT);
  83   glDisable(GL_LIGHTING);
  84   UChar_t col[4];
  85
  86   if(hasData && fSector->fPointSetOn) {
  87     glEnable(GL_BLEND);
  88     glEnable(GL_POINT_SMOOTH);
  89     glPointSize(fSector->fPointSize);
  90
  91     glPushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
  92     glEnableClientState(GL_VERTEX_ARRAY);
  93
  94     const Reve::PointSetArray& psa = fSector->fPointSetArray;
  95     for(Int_t b=0; b<psa.GetNBins(); ++b) {
  96       Reve::PointSet* ps = psa.GetBin(b);
  97       if(ps->Size() > 0) {
  98         ColorFromIdx(ps->GetMarkerColor(), col);
  99         glColor4ubv(col);
 100
 101         glVertexPointer(3, GL_FLOAT, 0, ps->GetP());
 102         glDrawArrays(GL_POINTS, 0, ps->Size());
 103       }
 104     }
 105
 106     glPopClientAttrib();
 107   }
 108
 109   if(fSector->fRnrFrame) {
 110     ColorFromIdx(fSector->fFrameColor, col);
 111     glColor4ubv(col);
 112
 113     if(fSector->fRnrInn)
 114       DrawSegmentFrame(TPCSectorData::GetInnSeg(),  0, 2);
 115     if(fSector->fRnrOut1)
 116       DrawSegmentFrame(TPCSectorData::GetOut1Seg(), 2, 1);
 117     if(fSector->fRnrOut2)
 118       DrawSegmentFrame(TPCSectorData::GetOut2Seg(), 2, 2);
 119   }
 120
 121   glPopAttrib();
 122 }
 123
 124 void TPCSector3DGL::DrawSegmentFrame(const TPCSectorData::SegmentInfo& s,
 125                                      Int_t botExtraPads, Int_t topExtraPads) const
 126 {
 127   Float_t xl, xh, yl, yh, zl, zh;
 128   xl = 0.5*s.GetPadWidth()*(TPCSectorData::GetNPadsInRow(s.GetFirstRow()) + botExtraPads);
 129   xh = 0.5*s.GetPadWidth()*(TPCSectorData::GetNPadsInRow(s.GetLastRow())  + topExtraPads);
 130   yl = s.GetRLow();
 131   yh = yl + s.GetNRows()*s.GetPadHeight();
 132   zl = 0;
 133   zh = TPCSectorData::GetZLength();
 134
 135   glBegin(GL_LINE_LOOP);
 136   glVertex3f( xl, yl, zl);  glVertex3f( xh, yh, zl);
 137   glVertex3f(-xh, yh, zl);  glVertex3f(-xl, yl, zl);
 138   glEnd();
 139   glBegin(GL_LINE_LOOP);
 140   glVertex3f( xl, yl, zh);  glVertex3f( xh, yh, zh);
 141   glVertex3f(-xh, yh, zh);  glVertex3f(-xl, yl, zh);
 142   glEnd();
 143   glBegin(GL_LINES);
 144   glVertex3f( xl, yl, zl);  glVertex3f( xl, yl, zh);
 145   glVertex3f( xh, yh, zl);  glVertex3f( xh, yh, zh);
 146   glVertex3f(-xh, yh, zl);  glVertex3f(-xh, yh, zh);
 147   glVertex3f(-xl, yl, zl);  glVertex3f(-xl, yl, zh);
 148   glEnd();
 149 }