BDSGeometryFactoryBase.cc

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) BDSIM Collaboration, 2001 - 2026.
 
This file is part of BDSIM.
 
BDSIM is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published 
by the Free Software Foundation version 3 of the License.
 
BDSIM is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with BDSIM.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "BDSColours.hh"
#include "BDSColourFromMaterial.hh"
#include "BDSGeometryExternal.hh"
#include "BDSGeometryFactoryBase.hh"
#include "BDSGlobalConstants.hh"
#include "BDSSDType.hh"
#include "BDSUtilities.hh"
 
#include "globals.hh"
#include "G4AssemblyVolume.hh"
#include "G4Colour.hh"
#include "G4LogicalVolume.hh"
#include "G4RotationMatrix.hh"
#include "G4String.hh"
#include "G4VisAttributes.hh"
#include "G4VPhysicalVolume.hh"
 
#include <algorithm>
#include <map>
#include <set>
#include <vector>
 
BDSGeometryFactoryBase::BDSGeometryFactoryBase()
{
  CleanUpBase();
}
 
BDSGeometryFactoryBase::~BDSGeometryFactoryBase()
{;}
 
std::set<G4VisAttributes*> BDSGeometryFactoryBase::ApplyColourMapping(const std::set<G4LogicalVolume*>& lvsIn,
                                                                      const std::map<G4String, G4Colour*>& mapping,
                                                                      G4bool                         autoColour,
                                                                      const G4String&                prefixToStripFromName)
{
  std::set<G4VisAttributes*> visAttributes; // empty set
 
  // no mapping, just return.
  if (mapping.empty() && !autoColour)
    {return visAttributes;}
 
  if (mapping.size() == 1)
    {// only one colour for all - simpler
      G4VisAttributes* vis = new G4VisAttributes(*BDSColours::Instance()->GetColour("gdml"));
      vis->SetVisibility(true);
      visAttributes.insert(vis);
      for (auto lv : lvsIn)
        {lv->SetVisAttributes(*vis);}
      return visAttributes;
    }
 
  // else iterate over all lvs and required vis attributes
  // prepare required vis attributes
  std::map<G4String, G4VisAttributes*> attMap;
  for (const auto& it : mapping)
    {
      G4VisAttributes* vis = new G4VisAttributes(*(it.second));
      vis->SetVisibility(true);
      visAttributes.insert(vis);
      attMap[it.first] = vis;
    }
 
  for (auto lv : lvsIn)
    {// iterate over all volumes
      const G4String& name = lv->GetName();
      for (const auto& it : attMap)
        {// iterate over all mappings to find first one that matches substring
          if (BDS::StrContains(name, it.first))
            {
              lv->SetVisAttributes(it.second);
              break;
            }
        }
    }
  
  if (autoColour)
    {
      for (auto lv : lvsIn)
        {
          const G4VisAttributes* existingVis = lv->GetVisAttributes();
          if (!existingVis)
            {
              G4Colour* c = BDSColourFromMaterial::Instance()->GetColour(lv->GetMaterial(), prefixToStripFromName);
              G4VisAttributes* vis = new G4VisAttributes(*c);
              vis->SetVisibility(true);
              visAttributes.insert(vis);
              lv->SetVisAttributes(vis);
            }
        }
    }
  return visAttributes;
}
 
void BDSGeometryFactoryBase::ApplyUserLimits(const std::set<G4LogicalVolume*>& lvsIn,
                                             G4UserLimits* userLimits)
{
  for (auto& lv : lvsIn)
    {lv->SetUserLimits(userLimits);}
}
 
void BDSGeometryFactoryBase::ApplySensitivity(BDSGeometryExternal* result,
                                              const std::set<G4LogicalVolume*>& allLogicalVolumesIn,
                                              BDSSDType generalSensitivity,
                                              const std::set<G4LogicalVolume*>& vacuumLogicalVolumes,
                                              BDSSDType vacuumSensitivity)
{
  std::map<G4LogicalVolume*, BDSSDType> sensitivityMapping;
  std::set<G4LogicalVolume*> notVacuumVolumes;
  std::set_difference(allLogicalVolumesIn.begin(),
                      allLogicalVolumesIn.end(),
                      vacuumLogicalVolumes.begin(),
                      vacuumLogicalVolumes.end(),
                      std::inserter(notVacuumVolumes, notVacuumVolumes.begin()));
  for (auto lv : notVacuumVolumes)
    {sensitivityMapping[lv] = generalSensitivity;}
  for (auto lv : vacuumLogicalVolumes)
    {sensitivityMapping[lv] = vacuumSensitivity;}
  result->RegisterSensitiveVolume(sensitivityMapping);
}
 
void BDSGeometryFactoryBase::CleanUp()
{
  CleanUpBase();
}
 
G4String BDSGeometryFactoryBase:: PreprocessedName(const G4String& objectName,
                                                   const G4String& /*acceleratorComponentName*/) const
{return objectName;}
 
std::set<G4LogicalVolume*> BDSGeometryFactoryBase::GetVolumes(const std::set<G4LogicalVolume*>& allLVs,
                                                              std::vector<G4String>*            volumeNames,
                                                              G4bool                            preprocessFile,
                                                              const G4String&                   componentName) const
{
  if (!volumeNames)
    {return std::set<G4LogicalVolume*>();}
  
  std::vector<G4String> expectedVolumeNames;
  if (preprocessFile)
    {
      // transform the names to those the preprocessor would produce
      expectedVolumeNames.resize(volumeNames->size());
      std::transform(volumeNames->begin(),
                     volumeNames->end(),
                     expectedVolumeNames.begin(),
                     [&](const G4String& n){return PreprocessedName(n, componentName);});
    }
  else
    {expectedVolumeNames = *volumeNames;}
  
  std::set<G4LogicalVolume*> volsMatched;
  for (const auto& en : expectedVolumeNames)
    {
      for (auto lv : allLVs)
        {
          if (lv->GetName() == en)
            {volsMatched.insert(lv);}
        }
    }
  return volsMatched;
}
 
void BDSGeometryFactoryBase::CleanUpBase()
{
  FactoryBaseCleanUp();
  xmin = 0;
  xmax = 0;
  ymin = 0;
  ymax = 0;
  zmin = 0;
  zmax = 0;
}
 
void BDSGeometryFactoryBase::ExpandExtent(const BDSExtent& ext)
{
  xmin = std::min(ext.XNeg(), xmin);
  xmax = std::max(ext.XPos(), xmax);
  ymin = std::min(ext.YNeg(), ymin);
  ymax = std::max(ext.YPos(), ymax);
  zmin = std::min(ext.ZNeg(), zmin);
  zmax = std::max(ext.ZPos(), zmax);
}
 
void BDSGeometryFactoryBase::ExpandExtent(G4double x0, G4double rx,
                                          G4double y0, G4double ry,
                                          G4double z0, G4double rz)
{
  xmin = std::min(x0-rx, xmin);
  xmax = std::max(x0+rx, xmax);
  ymin = std::min(y0-ry, ymin);
  ymax = std::max(y0+ry, ymax);
  zmin = std::min(z0-rz, zmin);
  zmax = std::max(z0+rz, zmax);
}
 
void BDSGeometryFactoryBase::ExpandExtent(G4double x0, G4double xLow, G4double xHigh,
                                          G4double y0, G4double yLow, G4double yHigh,
                                          G4double z0, G4double zLow, G4double zHigh)
{
  xmin = std::min(x0+xLow,  xmin);
  xmax = std::max(x0+xHigh, xmax);
  ymin = std::min(y0+yLow,  ymin);
  ymax = std::max(y0+yHigh, ymax);
  zmin = std::min(z0+zLow,  zmin);
  zmax = std::max(z0+zHigh, zmax);
}