itkAzimuthElevationToCartesianTransform.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkAzimuthElevationToCartesianTransform.h,v $
  Language:  C++
  Date:      $Date: 2002/09/11 19:39:03 $
  Version:   $Revision: 1.11 $

  Copyright (c) 2002 Insight Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/

#ifndef __itkAzimuthElevationToCartesianTransform_h
#define __itkAzimuthElevationToCartesianTransform_h

#include "itkAffineTransform.h"
#include "vnl/vnl_math.h"

namespace itk
{


template < class TScalarType=float,  // Data type for scalars (e.g. float or double)
           unsigned int NDimensions=3 >
class AzimuthElevationToCartesianTransform : 
                            public AffineTransform< TScalarType, NDimensions >
{
public:
  typedef AzimuthElevationToCartesianTransform  Self;
  typedef AffineTransform<  TScalarType, NDimensions >  Superclass;
  typedef SmartPointer<Self>        Pointer;
  typedef SmartPointer<const Self>  ConstPointer;
  
  itkStaticConstMacro(SpaceDimension, unsigned int, NDimensions);
  itkStaticConstMacro(ParametersDimension, unsigned int,
                      NDimensions * (NDimensions+1) );

  itkTypeMacro( AzimuthElevationToCartesianTransform, AffineTransform);

  itkNewMacro( Self );

  typedef typename Superclass::ParametersType  ParametersType;

  typedef typename Superclass::JacobianType  JacobianType;

  typedef typename Superclass::ScalarType ScalarType;

  typedef  typename Superclass::InputPointType     InputPointType;
  typedef  typename Superclass::OutputPointType    OutputPointType;
  
  typedef Matrix<TScalarType, itkGetStaticConstMacro(SpaceDimension),
                 itkGetStaticConstMacro(SpaceDimension)> MatrixType;

  void SetAzimuthElevationToCartesianParameters( const double sampleSize, 
                                                 const double blanking,
                                                 const long maxAzimuth, 
                                                 const long maxElevation, 
                                                 const double azimuthAngleSeparation,
                                                 const double elevationAngleSeparation);

  void SetAzimuthElevationToCartesianParameters( const double sampleSize, 
                                                 const double blanking,
                                                 const long maxAzimuth, 
                                                 const long maxElevation);
  
  OutputPointType     TransformPoint (const InputPointType  &point ) const;

  inline InputPointType      BackTransform(const OutputPointType  &point ) const;
  InputPointType  BackTransformPoint(const OutputPointType  &point) const;

  void PrintSelf(std::ostream &s, Indent indent) const;
    
  void SetForwardAzimuthElevationToCartesian();

  void SetForwardCartesianToAzimuthElevation();

  OutputPointType TransformAzElToCartesian(const InputPointType &point) const; 

  OutputPointType TransformCartesianToAzEl(const OutputPointType &point) const;

  itkSetMacro(MaxAzimuth, long);

  itkSetMacro(MaxElevation, long);

  itkSetMacro(RadiusSampleSize, double);

  itkSetMacro(AzimuthAngularSeparation, double);

  itkSetMacro(ElevationAngularSeparation, double);

  itkSetMacro(FirstSampleDistance, double);

protected:
  AzimuthElevationToCartesianTransform();      

  virtual ~AzimuthElevationToCartesianTransform();

private:
  AzimuthElevationToCartesianTransform(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  long    m_MaxAzimuth;
  long    m_MaxElevation;
  double  m_RadiusSampleSize;
  double  m_AzimuthAngularSeparation;
  double  m_ElevationAngularSeparation;
  double  m_FirstSampleDistance;
  bool    m_ForwardAzimuthElevationToPhysical;

}; //class AzimuthElevationToCartesianTransform


}  // namespace itk


#ifndef ITK_MANUAL_INSTANTIATION
#include "itkAzimuthElevationToCartesianTransform.txx"
#endif

#endif /* __itkAzimuthElevationToCartesianTransform_h */

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