boxset.C

Go to the documentation of this file.

/// \file
/// \ingroup tutorial_eve
/// Demonstrates usage of TEveBoxSet class.
///
/// \image html eve_boxset.png
/// \macro_code
///
/// \author Matevz Tadel
 
TEveBoxSet *boxset(Float_t x = 0, Float_t y = 0, Float_t z = 0, Int_t num = 100, Bool_t registerSet = kTRUE)
{
   TEveManager::Create();
 
   TRandom r(0);
 
   auto pal = new TEveRGBAPalette(0, 130);
 
   auto frm = new TEveFrameBox();
   frm->SetAABoxCenterHalfSize(0, 0, 0, 12, 12, 12);
   frm->SetFrameColor(kCyan);
   frm->SetBackColorRGBA(120, 120, 120, 20);
   frm->SetDrawBack(kTRUE);
 
   auto q = new TEveBoxSet("BoxSet");
   q->SetPalette(pal);
   q->SetFrame(frm);
   q->Reset(TEveBoxSet::kBT_AABox, kFALSE, 64);
   for (Int_t i = 0; i < num; ++i) {
      q->AddBox(r.Uniform(-10, 10), r.Uniform(-10, 10), r.Uniform(-10, 10), r.Uniform(0.2, 1), r.Uniform(0.2, 1),
                r.Uniform(0.2, 1));
      q->DigitValue(r.Uniform(0, 130));
   }
   q->RefitPlex();
 
   TEveTrans &t = q->RefMainTrans();
   t.SetPos(x, y, z);
 
   // Uncomment these two lines to get internal highlight / selection.
   q->SetPickable(1);
   q->SetAlwaysSecSelect(1);
 
   if (registerSet) {
      gEve->AddElement(q);
      gEve->Redraw3D(kTRUE);
   }
 
   return q;
}
 
TEveBoxSet *boxset_colisval(Float_t x = 0, Float_t y = 0, Float_t z = 0, Int_t num = 100, Bool_t registerSet = kTRUE)
{
   TEveManager::Create();
 
   TRandom r(0);
 
   auto q = new TEveBoxSet("BoxSet");
   q->Reset(TEveBoxSet::kBT_AABox, kTRUE, 64);
   for (Int_t i = 0; i < num; ++i) {
      q->AddBox(r.Uniform(-10, 10), r.Uniform(-10, 10), r.Uniform(-10, 10), r.Uniform(0.2, 1), r.Uniform(0.2, 1),
                r.Uniform(0.2, 1));
      q->DigitColor(r.Uniform(20, 255), r.Uniform(20, 255), r.Uniform(20, 255), r.Uniform(20, 255));
   }
   q->RefitPlex();
 
   TEveTrans &t = q->RefMainTrans();
   t.SetPos(x, y, z);
 
   if (registerSet) {
      gEve->AddElement(q);
      gEve->Redraw3D(kTRUE);
   }
 
   return q;
}
 
TEveBoxSet *
boxset_single_color(Float_t x = 0, Float_t y = 0, Float_t z = 0, Int_t num = 100, Bool_t registerSet = kTRUE)
{
   TEveManager::Create();
 
   TRandom r(0);
 
   auto q = new TEveBoxSet("BoxSet");
   q->UseSingleColor();
   q->SetMainColor(kCyan - 2);
   q->SetMainTransparency(50);
   q->Reset(TEveBoxSet::kBT_AABox, kFALSE, 64);
   for (Int_t i = 0; i < num; ++i) {
      q->AddBox(r.Uniform(-10, 10), r.Uniform(-10, 10), r.Uniform(-10, 10), r.Uniform(0.2, 1), r.Uniform(0.2, 1),
                r.Uniform(0.2, 1));
   }
   q->RefitPlex();
 
   TEveTrans &t = q->RefMainTrans();
   t.SetPos(x, y, z);
 
   if (registerSet) {
      gEve->AddElement(q);
      gEve->Redraw3D(kTRUE);
   }
 
   return q;
}
 
TEveBoxSet *boxset_freebox(Int_t num = 100, Bool_t registerSet = kTRUE)
{
   TEveManager::Create();
 
   TRandom r(0);
 
   auto pal = new TEveRGBAPalette(0, 130);
 
   auto q = new TEveBoxSet("BoxSet");
   q->SetPalette(pal);
   q->Reset(TEveBoxSet::kBT_FreeBox, kFALSE, 64);
 
#define RND_BOX(x) (Float_t) r.Uniform(-(x), (x))
 
   Float_t verts[24];
   for (Int_t i = 0; i < num; ++i) {
      Float_t x = RND_BOX(10);
      Float_t y = RND_BOX(10);
      Float_t z = RND_BOX(10);
      Float_t a = r.Uniform(0.2, 0.5);
      Float_t d = 0.05;
      Float_t verts[24] = {x - a + RND_BOX(d), y - a + RND_BOX(d), z - a + RND_BOX(d), x - a + RND_BOX(d),
                           y + a + RND_BOX(d), z - a + RND_BOX(d), x + a + RND_BOX(d), y + a + RND_BOX(d),
                           z - a + RND_BOX(d), x + a + RND_BOX(d), y - a + RND_BOX(d), z - a + RND_BOX(d),
                           x - a + RND_BOX(d), y - a + RND_BOX(d), z + a + RND_BOX(d), x - a + RND_BOX(d),
                           y + a + RND_BOX(d), z + a + RND_BOX(d), x + a + RND_BOX(d), y + a + RND_BOX(d),
                           z + a + RND_BOX(d), x + a + RND_BOX(d), y - a + RND_BOX(d), z + a + RND_BOX(d)};
      q->AddBox(verts);
      q->DigitValue(r.Uniform(0, 130));
   }
   q->RefitPlex();
 
#undef RND_BOX
 
   // Uncomment these two lines to get internal highlight / selection.
   q->SetPickable(1);
   q->SetAlwaysSecSelect(1);
 
   if (registerSet) {
      gEve->AddElement(q);
      gEve->Redraw3D(kTRUE);
   }
 
   return q;
}
 
TEveBoxSet *boxset_hex(Float_t x = 0, Float_t y = 0, Float_t z = 0, Int_t num = 100, Bool_t registerSet = kTRUE)
{
   TEveManager::Create();
 
   TRandom r(0);
 
   auto q = new TEveBoxSet("BoxSet");
   q->Reset(TEveBoxSet::kBT_Hex, kTRUE, 64);
 
   for (Int_t i = 0; i < num; ++i) {
      q->AddHex(TEveVector(r.Uniform(-10, 10), r.Uniform(-10, 10), r.Uniform(-10, 10)), r.Uniform(0.2, 1),
                r.Uniform(0, 60), r.Uniform(0.2, 5));
      q->DigitColor(r.Uniform(20, 255), r.Uniform(20, 255), r.Uniform(20, 255), r.Uniform(20, 255));
   }
   q->RefitPlex();
 
   q->SetPickable(true);
   q->SetAlwaysSecSelect(true);
 
   TEveTrans &t = q->RefMainTrans();
   t.SetPos(x, y, z);
 
   if (registerSet) {
      gEve->AddElement(q);
      gEve->Redraw3D(kTRUE);
   }
 
   return q;
}