SCT_Clamp.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#include "SCT_Clamp.h"
 
#include "SCT_MaterialManager.h"
 
#include "SCT_GeometryManager.h"
#include "SCT_BarrelParameters.h"
 
#include "GeoModelKernel/GeoTube.h"
#include "GeoModelKernel/GeoLogVol.h"
#include "GeoModelKernel/GeoPhysVol.h"
#include "GeoModelKernel/Units.h"
 
 
SCT_Clamp::SCT_Clamp(const std::string & name, int iLayer,
                     double innerRadius,
                     InDetDD::SCT_DetectorManager* detectorManager,
                     SCT_GeometryManager* geometryManager,
                     SCT_MaterialManager* materials)
  : SCT_SharedComponentFactory(name, detectorManager, geometryManager, materials),
    m_iLayer(iLayer), m_innerRadius(innerRadius)
{
  getParameters();
  m_physVolume = SCT_Clamp::build();
}
 
 
void 
SCT_Clamp::getParameters()
{
  const SCT_BarrelParameters * parameters = m_geometryManager->barrelParameters();
      
  m_materialName    = parameters->clampMaterial(m_iLayer);
  m_length      = parameters->clampDeltaZ(m_iLayer);
  m_radialWidth = parameters->clampDeltaR(m_iLayer);
 
  m_outerRadius = m_innerRadius + m_radialWidth;
}
 
GeoVPhysVol * 
SCT_Clamp::build() 
{
  // Make the clamp. A simple tube.
 
  const GeoTube * clampShape = new GeoTube(m_innerRadius, m_outerRadius, 0.5 * m_length);
  m_material = m_materials->getMaterialForVolume(m_materialName, clampShape->volume());
  if(!m_material) {m_material = m_materials->getMaterial(m_materialName);}
  const GeoLogVol * clampLog = new GeoLogVol(getName(), clampShape, m_material);
 
  GeoPhysVol * clamp = new GeoPhysVol(clampLog);
 
  return clamp;
}