iProjectorIRIS.hh

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/*
This file is part of CASToR.

    CASToR is free software: you can redistribute it and/or modify it under the
    terms of the GNU General Public License as published by the Free Software
    Foundation, either version 3 of the License, or (at your option) any later
    version.

    CASToR is distributed in the hope that it will be useful, but WITHOUT ANY
    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    details.

    You should have received a copy of the GNU General Public License along with
    CASToR (in file GNU_GPL.TXT). If not, see <http://www.gnu.org/licenses/>.

Copyright 2017-2018 all CASToR contributors listed below:

    --> current contributors: Thibaut MERLIN, Simon STUTE, Didier BENOIT, Claude COMTAT, Marina FILIPOVIC, Mael MILLARDET
    --> past contributors: Valentin VIELZEUF

This is CASToR version 2.0.
*/

#ifndef IPROJECTORIRIS_HH
#define IPROJECTORIRIS_HH 1

#include "gVariables.hh"
#include "sAddonManager.hh"
#include "vProjector.hh"
#include "sRandomNumberGenerator.hh"

class iProjectorIRIS : public vProjector
{
  // -------------------------------------------------------------------
  // Constructor & Destructor
  public:
    iProjectorIRIS();
    ~iProjectorIRIS();


  // -------------------------------------------------------------------
  // Public member functions
  public:
    // Function for automatic insertion (put the class name as the parameter and do not add semi-column at the end of the line)
    FUNCTION_PROJECTOR(iProjectorIRIS)
    int ReadConfigurationFile(const string& a_configurationFile);
    int ReadOptionsList(const string& a_optionsList);
    INTNB EstimateMaxNumberOfVoxelsPerLine();


  // -------------------------------------------------------------------
  // Private member functions
  private:
    void ShowHelpSpecific();
    int CheckSpecificParameters();
    int InitializeSpecific();
    int ProjectWithoutTOF( int a_direction, oProjectionLine* ap_ProjectionLine );
    int ProjectWithTOFPos( int a_direction, oProjectionLine* ap_ProjectionLine );
    int ProjectWithTOFBin( int a_direction, oProjectionLine* ap_ProjectionLine );
    int ComputeIDRF_CDF(int a_angleId);
    int GenerateIRISRdmPos(float ap_generatedPos[3], float a_alpha, float a_beta);
    int FindGreaterValue(float *ap_val, float a_key, int a_maxValue, int a_minStart=0, int a_maxStart=0);


  // -------------------------------------------------------------------
  // Data members
  private:
    // IDRFs parameters
    string* mp_pathToIDRFFiles;    
    float*  mp_IDRF;               
    float** m2p_IDRF_CDFs;         
    int m_nbLinesPerLOR;           
    int m_nVoxDepthIDRF;           
    int m_nVoxTransaxialIDRF;      
    int m_nVoxAxialIDRF;           
    int m_nVoxXYZIDRF;             
    int m_nBetaAnglesIDRF;         
    int m_nAlphaAnglesIDRF;        
    FLTNB m_sizeVoxDepthIDRF;      
    FLTNB m_sizeVoxTransaxialIDRF; 
    FLTNB m_sizeVoxAxialIDRF;      
    FLTNB m_stepBetaAnglesIDRF;    
    FLTNB m_stepAlphaAnglesIDRF;   
};


// Class for automatic insertion (set here the visible projector's name as the first parameter,
// put the class name as the second parameter and do NOT add semi-colon at the end of the line)
CLASS_PROJECTOR(IRIS,iProjectorIRIS)

#endif