/** Update the shape cache if necessary
* @param det :: a pointer to the detector to query
* @param detRadius :: An output parameter that contains the detector radius
* @param detAxis :: An output parameter that contains the detector axis vector
*/
void DetectorEfficiencyCor::getDetectorGeometry(const Geometry::IDetector_const_sptr & det, double & detRadius, V3D & detAxis)
{
boost::shared_ptr<const Object> shape_sptr = det->shape();
if(!shape_sptr->hasValidShape())
{
throw Exception::NotFoundError("Shape", "Detector has no shape");
}
std::map<const Geometry::Object *, std::pair<double, Kernel::V3D> >::const_iterator it =
m_shapeCache.find(shape_sptr.get());
if( it == m_shapeCache.end() )
{
double xDist = distToSurface( V3D(DIST_TO_UNIVERSE_EDGE, 0, 0), shape_sptr.get() );
double zDist = distToSurface( V3D(0, 0, DIST_TO_UNIVERSE_EDGE), shape_sptr.get() );
if ( std::abs(zDist - xDist) < 1e-8 )
{
detRadius = zDist/2.0;
detAxis = V3D(0,1,0);
// assume radi in z and x and the axis is in the y
PARALLEL_CRITICAL(deteff_shapecachea)
{
m_shapeCache.insert(std::pair<const Object *,std::pair<double, V3D> >(shape_sptr.get(), std::pair<double, V3D>(detRadius, detAxis)));
}
return;
}
/**
* Update the shape cache if necessary
* @param det :: a pointer to the detector to query
* @param detRadius :: An output parameter that contains the detector radius
* @param detAxis :: An output parameter that contains the detector axis vector
*/
void He3TubeEfficiency::getDetectorGeometry(\
Geometry::IDetector_const_sptr det,
double & detRadius, Kernel::V3D & detAxis)
{
boost::shared_ptr<const Geometry::Object> shape_sptr = det->shape();
std::map<const Geometry::Object *, std::pair<double, Kernel::V3D> >::const_iterator it =
this->shapeCache.find(shape_sptr.get());
if( it == this->shapeCache.end() )
{
double xDist = distToSurface( Kernel::V3D(DIST_TO_UNIVERSE_EDGE, 0, 0),
shape_sptr.get() );
double zDist = distToSurface( Kernel::V3D(0, 0, DIST_TO_UNIVERSE_EDGE),
shape_sptr.get() );
if ( std::abs(zDist - xDist) < 1e-8 )
{
detRadius = zDist / 2.0;
detAxis = Kernel::V3D(0, 1, 0);
// assume radii in z and x and the axis is in the y
PARALLEL_CRITICAL(deteff_shapecachea)
{
this->shapeCache.insert(std::pair<const Geometry::Object *,
std::pair<double, Kernel::V3D> >(shape_sptr.get(),
std::pair<double, Kernel::V3D>(detRadius, detAxis)));
}
return;
}
