GEODB/AliGTRD1.cxx

   1 // -*- C++ -*-
   2 //
   3 // 1998/10/19
   4 // ---------------------------------------------------------------------------
   5 //
   6 // AliGTRD1 Class
   7 //
   8 // This file is part of the ALICE Geometry Database .
   9 //
  10 // Author:  Joana E. Santo & company...
  11 //
  12 // ---------------------------------------------------------------------------
  13
  14 #include <TView.h>
  15 #include <TCanvas.h>
  16 #include <TVirtualPad.h>
  17 #include <iostream.h>
  18 #include <TGLKernelABC.h>
  19 #include "AliGTRD1.h"
  20 #include <TROOT.h>
  21
  22 ClassImp(AliGTRD1)
  23
  24 //-------------------------------------------------------------------------
  25
  26 AliGTRD1::AliGTRD1(Text_t *name, Text_t *title, Float_t dx1, Float_t dx2, Float_t dy, Float_t dz) : AliGShape(name, title)
  27 {
  28 //*-*-*-*-*-*-*-*-*-*-*-*-*AliGTRD1 shape normal constructor*-*-*-*-*-*-*-*-*-*-*-*-*
  29 //*-*                      =============================
  30
  31     fDx2 = dx2;
  32     fDx1 = dx1;
  33     fDy  = dy;
  34     fDz  = dz;
  35 }
  36
  37 //-------------------------------------------------------------------------
  38
  39 AliGTRD1::AliGTRD1()
  40 {
  41     /* Default Constructor */
  42
  43     fDx2   = 0;
  44     fName  = "";
  45     fTitle = "";
  46 }
  47
  48 //-------------------------------------------------------------------------
  49
  50 AliGTRD1::AliGTRD1( AliGTRD1* trd1 )
  51 {
  52     /* Copy Constructor */
  53     fColor     = trd1->fColor;
  54     fDx1       = trd1->fDx1;
  55     fDx2       = trd1->fDx2;
  56     fDy        = trd1->fDy;
  57     fDz        = trd1->fDz;
  58     fName      = trd1->fName;
  59     fTitle     = trd1->fTitle;
  60 }
  61
  62 //----------------------------------------------------------------------------
  63
  64 void AliGTRD1::SetPoints(Float_t *buff)
  65 {
  66 //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*Create AliGTRD1 points*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
  67 //*-*                            ==================
  68
  69     Float_t dx1, dx2, dy, dz;
  70
  71     dx1 = fDx1;
  72     dx2 = fDx2;
  73     dy  = fDy;
  74     dz  = fDz;
  75
  76     if (buff) {
  77         buff[ 0] = -dx1;  buff[ 1] = -dy;  buff[ 2] = -dz;
  78         buff[ 3] =  dx1;  buff[ 4] = -dy;  buff[ 5] = -dz;
  79         buff[ 6] =  dx1;  buff[ 7] =  dy;  buff[ 8] = -dz;
  80         buff[ 9] = -dx1;  buff[10] =  dy;  buff[11] = -dz;
  81         buff[12] = -dx2;  buff[13] = -dy;  buff[14] =  dz;
  82         buff[15] =  dx2;  buff[16] = -dy;  buff[17] =  dz;
  83         buff[18] =  dx2;  buff[19] =  dy;  buff[20] =  dz;
  84         buff[21] = -dx2;  buff[22] =  dy;  buff[23] =  dz;
  85     }
  86 }
  87
  88 //-------------------------------------------------------------------------
  89
  90 void AliGTRD1::Paint(Option_t *option)
  91 {
  92     SetLineColor( GetCol() );
  93
  94     const Int_t numpoints = 8;
  95
  96     //*-* Allocate memory for points *-*
  97
  98     Float_t *points = new Float_t[3*numpoints];
  99     if (!points) return;
 100
 101     SetPoints(points);
 102
 103     if (gPad->GetView3D()) PaintGLPoints(points);
 104
 105     //==  for (Int_t i = 0; i < numpoints; i++)
 106     //            gNode->Local2Master(&points[3*i],&points[3*i]);
 107
 108     Int_t c = ((GetLineColor() % 8) - 1) * 4;     // Basic colors: 0, 1, ... 7
 109     if (c < 0) c = 0;
 110
 111     //*-* Allocate memory for segments *-*
 112
 113     X3DBuffer *buff = new X3DBuffer;
 114     if (buff) {
 115         buff->numPoints = 8;
 116         buff->numSegs   = 12;
 117         buff->numPolys  = 6;
 118     }
 119
 120 //*-* Allocate memory for points *-*
 121
 122     buff->points = points;
 123     buff->segs = new Int_t[buff->numSegs*3];
 124
 125     if (buff->segs) {
 126         buff->segs[ 0] = c;    buff->segs[ 1] = 0;    buff->segs[ 2] = 1;
 127         buff->segs[ 3] = c+1;  buff->segs[ 4] = 1;    buff->segs[ 5] = 2;
 128         buff->segs[ 6] = c+1;  buff->segs[ 7] = 2;    buff->segs[ 8] = 3;
 129         buff->segs[ 9] = c;    buff->segs[10] = 3;    buff->segs[11] = 0;
 130         buff->segs[12] = c+2;  buff->segs[13] = 4;    buff->segs[14] = 5;
 131         buff->segs[15] = c+2;  buff->segs[16] = 5;    buff->segs[17] = 6;
 132         buff->segs[18] = c+3;  buff->segs[19] = 6;    buff->segs[20] = 7;
 133         buff->segs[21] = c+3;  buff->segs[22] = 7;    buff->segs[23] = 4;
 134         buff->segs[24] = c;    buff->segs[25] = 0;    buff->segs[26] = 4;
 135         buff->segs[27] = c+2;  buff->segs[28] = 1;    buff->segs[29] = 5;
 136         buff->segs[30] = c+1;  buff->segs[31] = 2;    buff->segs[32] = 6;
 137         buff->segs[33] = c+3;  buff->segs[34] = 3;    buff->segs[35] = 7;
 138     }
 139
 140 //*-* Allocate memory for polygons *-*
 141
 142     buff->polys = new Int_t[buff->numPolys*6];
 143
 144     if (buff->polys) {
 145         buff->polys[ 0] = c;   buff->polys[ 1] = 4;  buff->polys[ 2] = 0;
 146         buff->polys[ 3] = 9;   buff->polys[ 4] = 4;  buff->polys[ 5] = 8;
 147         buff->polys[ 6] = c+1; buff->polys[ 7] = 4;  buff->polys[ 8] = 1;
 148         buff->polys[ 9] = 10;  buff->polys[10] = 5;  buff->polys[11] = 9;
 149         buff->polys[12] = c;   buff->polys[13] = 4;  buff->polys[14] = 2;
 150         buff->polys[15] = 11;  buff->polys[16] = 6;  buff->polys[17] = 10;
 151         buff->polys[18] = c+1; buff->polys[19] = 4;  buff->polys[20] = 3;
 152         buff->polys[21] = 8;   buff->polys[22] = 7;  buff->polys[23] = 11;
 153         buff->polys[24] = c+2; buff->polys[25] = 4;  buff->polys[26] = 0;
 154         buff->polys[27] = 3;   buff->polys[28] = 2;  buff->polys[29] = 1;
 155         buff->polys[30] = c+3; buff->polys[31] = 4;  buff->polys[32] = 4;
 156         buff->polys[33] = 5;   buff->polys[34] = 6;  buff->polys[35] = 7;
 157     }
 158
 159     //*-* Paint in the pad
 160     Bool_t rangeView = strcmp(option,"range")==0 ? kTRUE : kFALSE;
 161     PaintShape(buff,rangeView);
 162
 163     if (strstr(option, "x3d")) {
 164         if(buff && buff->points && buff->segs)
 165             FillX3DBuffer(buff);
 166         else {
 167             gSize3D.numPoints -= buff->numPoints;
 168             gSize3D.numSegs   -= buff->numSegs;
 169             gSize3D.numPolys  -= buff->numPolys;
 170         }
 171     }
 172
 173     delete [] points;
 174     if (buff->segs)     delete [] buff->segs;
 175     if (buff->polys)    delete [] buff->polys;
 176     if (buff)           delete    buff;
 177 }
 178