/data/refman/pasoursint/CMSSW_5_3_9_patch3/src/DataFormats/GeometryCommonDetAlgo/src/TransverseBoundPlaneFactory.cc

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//#include "Utilities/Configuration/interface/Architecture.h"

#include "DataFormats/GeometryCommonDetAlgo/interface/TransverseBoundPlaneFactory.h"

BoundPlane* 
TransverseBoundPlaneFactory::operator()(const Surface::GlobalPoint& origin,
                                        const Surface::GlobalVector& dir) const {

  // z axis perpendicular to transverse momentum
  GlobalVector zAxis = GlobalVector(dir.x(), dir.y(), 0.).unit();

  // y axis coincides with global z
  GlobalVector yAxis(0., 0., 1.);

  // x axis obtained by cross product
  GlobalVector xAxis = (yAxis.cross(zAxis)).unit();

  Surface::RotationType rot( xAxis.x(), xAxis.y(), xAxis.z(),
                             yAxis.x(), yAxis.y(), yAxis.z(),
                             zAxis.x(), zAxis.y(), zAxis.z());

  //  Surface::RotationType rot(yAxis, zAxis);

  return new BoundPlane( origin, rot);
}