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/********************************************************************************************

/********************************************************************************************

**    iLand - an individual based forest landscape and disturbance model

**    iLand - an individual based forest landscape and disturbance model

**    http://iland.boku.ac.at

**    http://iland.boku.ac.at

**    Copyright (C) 2009-  Werner Rammer, Rupert Seidl

**    Copyright (C) 2009-  Werner Rammer, Rupert Seidl

**

**

**    This program is free software: you can redistribute it and/or modify

**    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

**    it under the terms of the GNU General Public License as published by

**    the Free Software Foundation, either version 3 of the License, or

**    the Free Software Foundation, either version 3 of the License, or

**    (at your option) any later version.

**    (at your option) any later version.

**

**

**    This program is distributed in the hope that it will be useful,

**    This program is distributed in the hope that it will be useful,

**    but WITHOUT ANY WARRANTY; without even the implied warranty of

**    but WITHOUT ANY WARRANTY; without even the implied warranty of

**    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

**    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

**    GNU General Public License for more details.

**    GNU General Public License for more details.

**

**

**    You should have received a copy of the GNU General Public License

**    You should have received a copy of the GNU General Public License

**    along with this program.  If not, see <http://www.gnu.org/licenses/>.

**    along with this program.  If not, see <http://www.gnu.org/licenses/>.

********************************************************************************************/

********************************************************************************************/

#ifndef SEEDDISPERSAL_H

#ifndef SEEDDISPERSAL_H

#define SEEDDISPERSAL_H

#define SEEDDISPERSAL_H

#include <QHash>

#include <QHash>

#include "grid.h"

#include "grid.h"

class Species;

class Species;

class SeedDispersal

class SeedDispersal

{

{

public:

public:

    SeedDispersal(Species *species=0): mIndexFactor(10), mSetup(false), mSpecies(species) {}

    SeedDispersal(Species *species=0): mIndexFactor(10), mSetup(false), mSpecies(species) {}

    ~SeedDispersal();

    ~SeedDispersal();

    bool isSetup() const { return mSetup; }

    bool isSetup() const { return mSetup; }

    void setup();

    void setup();

    //

    //

    static void setupExternalSeeds();

    static void setupExternalSeeds();

    static void finalizeExternalSeeds();

    static void finalizeExternalSeeds();

    // access

    // access

    const Grid<float> &seedMap() const { return mSeedMap; } ///< access to the seedMap

    const Grid<float> &seedMap() const { return mSeedMap; } ///< access to the seedMap

    const Species *species() const {return mSpecies; }

    const Species *species() const {return mSpecies; }

    /// setMatureTree is called by individual (mature) trees. This actually fills the initial state of the seed map.

    /// setMatureTree is called by individual (mature) trees. This actually fills the initial state of the seed map.

    void setMatureTree(const QPoint &lip_index, double leaf_area) {

    void setMatureTree(const QPoint &lip_index, double leaf_area) {

        if (mProbMode)

        if (mProbMode)

            mSeedMap.valueAtIndex(lip_index.x()/mIndexFactor, lip_index.y()/mIndexFactor)=1.f;

            mSeedMap.valueAtIndex(lip_index.x()/mIndexFactor, lip_index.y()/mIndexFactor)=1.f;

        else

        else

            mSourceMap.valueAtIndex(lip_index.x()/mIndexFactor, lip_index.y()/mIndexFactor) += leaf_area;

            mSourceMap.valueAtIndex(lip_index.x()/mIndexFactor, lip_index.y()/mIndexFactor) += leaf_area;

    }

    }

    /// extra seed rain of serotinous species at 'position_index'

    /// extra seed rain of serotinous species at 'position_index'

    void seedProductionSerotiny(const QPoint &position_index);

    void seedProductionSerotiny(const QPoint &position_index);

    // operations

    // operations

    void clear(); ///< clears the grid

    void clear(); ///< clears the grid

    void execute(); ///< execute the seed dispersal

    void execute(); ///< execute the seed dispersal

    bool edgeDetection(Grid<float> *seed_map = 0); ///< phase 1: detect edges in the image; returns false if *no* pixel is 'lit'

    bool edgeDetection(Grid<float> *seed_map = 0); ///< phase 1: detect edges in the image; returns false if *no* pixel is 'lit'

    void distribute(Grid<float> *seed_map = 0); ///< phase 2: distribute seeds

    void distribute(Grid<float> *seed_map = 0); ///< phase 2: distribute seeds

    // functions for non-probability mode

    // functions for non-probability mode

    void distributeSeeds(Grid<float> *seed_map=0);

    void distributeSeeds(Grid<float> *seed_map=0);

    // debug and helpers

    // debug and helpers

    void loadFromImage(const QString &fileName); ///< debug function...

    void loadFromImage(const QString &fileName); ///< debug function...

    void dumpMapNextYear(QString file_name) { mDumpNextYearFileName = file_name; }

    void dumpMapNextYear(QString file_name) { mDumpNextYearFileName = file_name; }

private:

private:

    void createKernel(Grid<float> &kernel, const double max_seed, const double scale_area); ///< initializes / creates the kernel

    void createKernel(Grid<float> &kernel, const double max_seed, const double scale_area); ///< initializes / creates the kernel

    double setupLDD(); ///< initialize long distance seed dispersal

    double setupLDD(); ///< initialize long distance seed dispersal

    double treemig(const double &distance);

    double treemig(const double &distance);

    // numerical integration of the treemig function up to a radius 'max_distance'

    // numerical integration of the treemig function up to a radius 'max_distance'

    double treemig_centercell(const double &max_distance);

    double treemig_centercell(const double &max_distance);

    double treemig_distanceTo(const double value);

    double treemig_distanceTo(const double value);

    bool mProbMode; ///< if 'true', seed dispersal uses probabilities to distribute (old version)

    bool mProbMode; ///< if 'true', seed dispersal uses probabilities to distribute (old version)

    double mTM_as1, mTM_as2, mTM_ks; ///< seed dispersal paramaters (treemig)

    double mTM_as1, mTM_as2, mTM_ks; ///< seed dispersal paramaters (treemig)

    double mTM_fecundity_cell; ///< maximum seeds per source cell

    double mTM_fecundity_cell; ///< maximum seeds per source cell

    double mTM_occupancy; ///< seeds required per destination regeneration pixel

    double mTM_occupancy; ///< seeds required per destination regeneration pixel

    double mNonSeedYearFraction; ///< fraction of the seed production in non-seed-years

    double mNonSeedYearFraction; ///< fraction of the seed production in non-seed-years

    double mKernelThresholdArea, mKernelThresholdLDD; ///< value of the kernel function that is the threhold for full coverage and LDD, respectively

    double mKernelThresholdArea, mKernelThresholdLDD; ///< value of the kernel function that is the threhold for full coverage and LDD, respectively

    int mIndexFactor; ///< multiplier between light-pixel-size and seed-pixel-size

    int mIndexFactor; ///< multiplier between light-pixel-size and seed-pixel-size

    Grid<float> mSeedMap; ///< (large) seedmap. Is filled by individual trees and then processed

    Grid<float> mSeedMap; ///< (large) seedmap. Is filled by individual trees and then processed

    Grid<float> mSourceMap; ///< (large) seedmap used to denote the sources

    Grid<float> mSourceMap; ///< (large) seedmap used to denote the sources

    Grid<float> mKernelSeedYear; ///< species specific "seed kernel" (small) for seed years

    Grid<float> mKernelSeedYear; ///< species specific "seed kernel" (small) for seed years

    Grid<float> mKernelNonSeedYear; ///< species specific "seed kernel" (small) for non-seed-years

    Grid<float> mKernelNonSeedYear; ///< species specific "seed kernel" (small) for non-seed-years

    Grid<float> mKernelSerotiny; ///< seed kernel for extra seed rain

    Grid<float> mKernelSerotiny; ///< seed kernel for extra seed rain

    Grid<float> mSeedMapSerotiny; ///< seed map that keeps track of serotiny events

    Grid<float> mSeedMapSerotiny; ///< seed map that keeps track of serotiny events

    QVector<double> mLDDDistance; ///< long distance dispersal distances (e.g. the "rings")

    QVector<double> mLDDDistance; ///< long distance dispersal distances (e.g. the "rings")

    QVector<double> mLDDDensity;  ///< long distance dispersal # of cells that should be affected in each "ring"

    QVector<double> mLDDDensity;  ///< long distance dispersal # of cells that should be affected in each "ring"

    int mLDDRings; ///< # of rings (with equal probability) for LDD

    int mLDDRings; ///< # of rings (with equal probability) for LDD

    float mLDDSeedlings; ///< each LDD pixel has this probability

    float mLDDSeedlings; ///< each LDD pixel has this probability

    bool mHasPendingSerotiny; ///< true if active (unprocessed) pixels are on the extra-serotiny map

    bool mHasPendingSerotiny; ///< true if active (unprocessed) pixels are on the extra-serotiny map

    bool mSetup;

    bool mSetup;

    Species *mSpecies;

    Species *mSpecies;

    bool mDumpSeedMaps; ///< if true, seedmaps are stored as images

    bool mDumpSeedMaps; ///< if true, seedmaps are stored as images

    bool mHasExternalSeedInput; ///< if true, external seeds are modelled for the species

    bool mHasExternalSeedInput; ///< if true, external seeds are modelled for the species

    QString mDumpNextYearFileName; ///< debug output - dump of the content of the grid to a file during the next execution

    QString mDumpNextYearFileName; ///< debug output - dump of the content of the grid to a file during the next execution

    int mExternalSeedDirection; ///< direction of external seeds

    int mExternalSeedDirection; ///< direction of external seeds

    int mExternalSeedBuffer; ///< how many 20m pixels away from the simulation area should the seeding start?

    int mExternalSeedBuffer; ///< how many 20m pixels away from the simulation area should the seeding start?

    double mExternalSeedBackgroundInput; ///< background propability for this species; if set, then a certain seed availability is provided for the full area

    double mExternalSeedBackgroundInput; ///< background propability for this species; if set, then a certain seed availability is provided for the full area

    // external seeds

    // external seeds

    Grid<float> mExternalSeedMap; ///< for more complex external seed input, this map holds that information

    Grid<float> mExternalSeedMap; ///< for more complex external seed input, this map holds that information

    void setupExternalSeedsForSpecies(Species *species); ///< setup of special external seed input

    void setupExternalSeedsForSpecies(Species *species); ///< setup of special external seed input

    static Grid<float> *mExternalSeedBaseMap; ///< static intermediate data while setting up external seeds

    static Grid<float> *mExternalSeedBaseMap; ///< static intermediate data while setting up external seeds

    static QHash<QString, QVector<double> > mExtSeedData; ///< holds definition of species and percentages for external seed input

    static QHash<QString, QVector<double> > mExtSeedData; ///< holds definition of species and percentages for external seed input

    static int mExtSeedSizeX, mExtSeedSizeY; ///< size of the sectors used to specify external seed input

    static int mExtSeedSizeX, mExtSeedSizeY; ///< size of the sectors used to specify external seed input

};

};

#endif // SEEDDISPERSAL_H

#endif // SEEDDISPERSAL_H