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() :
  26   TGLObject(),
  27   fSector(0), fBoxRnr(0),
  28   fRTS(0)
  29 {
  30   // fCached = false; // Disable display list.
  31 }
  32
  33 TPCSector3DGL::~TPCSector3DGL()
  34 {
  35   delete fBoxRnr;
  36 }
  37
  38 /**************************************************************************/
  39
  40 Bool_t TPCSector3DGL::SetModel(TObject* obj)
  41 {
  42 #if ROOT_VERSION_CODE <= ROOT_VERSION(5,11,2)
  43   if(set_model(obj, "Alieve::TPCSector3D")) {
  44 #elif ROOT_VERSION_CODE <= ROOT_VERSION(5,13,0)
  45   if(SetModelCheckClass(obj, "Alieve::TPCSector3D")) {
  46 #else
  47   if(SetModelCheckClass(obj, Alieve::TPCSector3D::Class())) {
  48 #endif
  49     fSector = (TPCSector3D*) fExternalObj;
  50     if(fBoxRnr == 0) {
  51       fBoxRnr = new BoxSetGL;
  52       fBoxRnr->SetModel(&fSector->fBoxSet);
  53     }
  54     return kTRUE;
  55   }
  56   return kFALSE;
  57 }
  58
  59 void TPCSector3DGL::SetBBox()
  60 {
  61 #if ROOT_VERSION_CODE <= ROOT_VERSION(5,11,2)
  62   set_axis_aligned_bbox(((TPCSector3D*)fExternalObj)->AssertBBox());
  63 #else
  64   SetAxisAlignedBBox(((TPCSector3D*)fExternalObj)->AssertBBox());
  65 #endif
  66 }
  67
  68 /**************************************************************************/
  69
  70 void TPCSector3DGL::DirectDraw(const TGLDrawFlags & flags) const
  71 {
  72   // printf("TPCSector3DGL::DirectDraw Style %d, LOD %d\n", flags.Style(), flags.LOD());
  73
  74   if(fRTS < fSector->fRTS) {
  75     fSector->UpdateBoxes();
  76     fRTS = fSector->fRTS;
  77   }
  78
  79   Bool_t hasData = (fSector->GetSectorData() != 0);
  80
  81   if(hasData)
  82     fBoxRnr->Render(flags);
  83
  84   glPushAttrib(GL_CURRENT_BIT | GL_POINT_BIT | GL_ENABLE_BIT);
  85   glDisable(GL_LIGHTING);
  86   UChar_t col[4];
  87
  88   if(hasData && fSector->fPointSetOn) {
  89     glEnable(GL_BLEND);
  90     glEnable(GL_POINT_SMOOTH);
  91     glPointSize(fSector->fPointSize);
  92
  93     glPushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
  94     glEnableClientState(GL_VERTEX_ARRAY);
  95
  96     const Reve::PointSetArray& psa = fSector->fPointSetArray;
  97     for(Int_t b=0; b<psa.GetNBins(); ++b) {
  98       Reve::PointSet* ps = psa.GetBin(b);
  99       if(ps->Size() > 0) {
 100         ColorFromIdx(ps->GetMarkerColor(), col);
 101         glColor4ubv(col);
 102
 103         glVertexPointer(3, GL_FLOAT, 0, ps->GetP());
 104         glDrawArrays(GL_POINTS, 0, ps->Size());
 105       }
 106     }
 107
 108     glPopClientAttrib();
 109   }
 110
 111   if(fSector->fRnrFrame) {
 112     ColorFromIdx(fSector->fFrameColor, col);
 113     glColor4ubv(col);
 114
 115     if(fSector->fRnrInn)
 116       DrawSegmentFrame(TPCSectorData::GetInnSeg(),  0, 2);
 117     if(fSector->fRnrOut1)
 118       DrawSegmentFrame(TPCSectorData::GetOut1Seg(), 2, 1);
 119     if(fSector->fRnrOut2)
 120       DrawSegmentFrame(TPCSectorData::GetOut2Seg(), 2, 2);
 121   }
 122
 123   glPopAttrib();
 124 }
 125
 126 void TPCSector3DGL::DrawSegmentFrame(const TPCSectorData::SegmentInfo& s,
 127                                      Int_t botExtraPads, Int_t topExtraPads) const
 128 {
 129   Float_t xl, xh, yl, yh, zl, zh;
 130   xl = 0.5*s.GetPadWidth()*(TPCSectorData::GetNPadsInRow(s.GetFirstRow()) + botExtraPads);
 131   xh = 0.5*s.GetPadWidth()*(TPCSectorData::GetNPadsInRow(s.GetLastRow())  + topExtraPads);
 132   yl = s.GetRLow();
 133   yh = yl + s.GetNRows()*s.GetPadHeight();
 134   zl = 0;
 135   zh = TPCSectorData::GetZLength();
 136
 137   glBegin(GL_LINE_LOOP);
 138   glVertex3f( xl, yl, zl);  glVertex3f( xh, yh, zl);
 139   glVertex3f(-xh, yh, zl);  glVertex3f(-xl, yl, zl);
 140   glEnd();
 141   glBegin(GL_LINE_LOOP);
 142   glVertex3f( xl, yl, zh);  glVertex3f( xh, yh, zh);
 143   glVertex3f(-xh, yh, zh);  glVertex3f(-xl, yl, zh);
 144   glEnd();
 145   glBegin(GL_LINES);
 146   glVertex3f( xl, yl, zl);  glVertex3f( xl, yl, zh);
 147   glVertex3f( xh, yh, zl);  glVertex3f( xh, yh, zh);
 148   glVertex3f(-xh, yh, zl);  glVertex3f(-xh, yh, zh);
 149   glVertex3f(-xl, yl, zl);  glVertex3f(-xl, yl, zh);
 150   glEnd();
 151 }