steerable.h

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/***************************************************************************
 *
 * Authors:     Manuel Sanchez Pau 
 *              Carlos Oscar Sanchez Sorzano
 *
 * Unidad de  Bioinformatica of Centro Nacional de Biotecnologia , CSIC
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307  USA
 *
 *  All comments concerning this program package may be sent to the
 *  e-mail address 'xmipp@cnb.csic.es'
 ***************************************************************************/

#ifndef STEERABLE_H
#define STEERABLE_H

#include <core/multidim_array.h>
#include <vector>



class MissingWedge
{
public:
    double rotPos;
    double tiltPos;
    double rotNeg;
    double tiltNeg;
public:

    MissingWedge()
    {
        rotPos = 0.;
        tiltPos = 0.;
        rotNeg = 0.;
        tiltNeg = 0.;
    }

    void removeWedge(MultidimArray<double> &V) const;
};

class Steerable
{
public:
    // Basis functions for the steerability
    std::vector< MultidimArray<double> > basis;

    // Missing wedge
    const MissingWedge *MW;
public:
    Steerable(double sigma, MultidimArray<double> &Vtomograph,
        double deltaAng, const std::string &filterType,
        const MissingWedge *_MW);
    
    void buildBasis(const MultidimArray<double> &Vtomograph, double sigma);

    void generate1DFilters(double sigma,
        const MultidimArray<double> &Vtomograph,
        std::vector< MultidimArray<double> > &hx1,
        std::vector< MultidimArray<double> > &hy1,
        std::vector< MultidimArray<double> > &hz1);

    void generate3DFilter(MultidimArray<double>& h3D,
    std::vector< MultidimArray<double> > &hx1,
    std::vector< MultidimArray<double> > &hy1,
    std::vector< MultidimArray<double> > &hz1);

    void singleFilter(const MultidimArray<double>& Vin,
        MultidimArray<double> &hx1, MultidimArray<double> &hy1,
        MultidimArray<double> &hz1, MultidimArray<double> &Vout);
};
#endif