template <typename PointT> void
pcl::people::GroundBasedPeopleDetectionApp<PointT>::setTransformation (const Eigen::Matrix3f& transformation)
{
  if (!transformation.isUnitary())
  {
	PCL_ERROR ("[pcl::people::GroundBasedPeopleDetectionApp::setCloudTransform] The cloud transformation matrix must be an orthogonal matrix!\n");
  }

  transformation_ = transformation;
  transformation_set_ = true;
  applyTransformationGround();
  applyTransformationIntrinsics();
}