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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 RESOURCEUNIT_H

#ifndef RESOURCEUNIT_H

#define RESOURCEUNIT_H

#define RESOURCEUNIT_H

#include "tree.h"

#include "tree.h"

#include "resourceunitspecies.h"

#include "resourceunitspecies.h"

#include "standstatistics.h"

#include "standstatistics.h"

#include <QtCore/QVector>

#include <QtCore/QVector>

#include <QtCore/QRectF>

#include <QtCore/QRectF>

class SpeciesSet;

class SpeciesSet;

class Climate;

class Climate;

class WaterCycle;

class WaterCycle;

class Snag;

class Snag;

class Soil;

class Soil;

struct SaplingCell;

struct SaplingCell;

struct ResourceUnitVariables

struct ResourceUnitVariables

{

{

    ResourceUnitVariables(): nitrogenAvailable(0.), cumCarbonUptake(0.), cumCarbonToAtm(0.), cumNEP(0.), carbonUptake(0.), carbonToAtm(0.), NEP(0.) {}

    ResourceUnitVariables(): nitrogenAvailable(0.), cumCarbonUptake(0.), cumCarbonToAtm(0.), cumNEP(0.), carbonUptake(0.), carbonToAtm(0.), NEP(0.) {}

    double nitrogenAvailable; ///< nitrogen content (kg/m2/year)

    double nitrogenAvailable; ///< nitrogen content (kg/m2/year)

    double cumCarbonUptake; ///< NPP  (kg C/ha)

    double cumCarbonUptake; ///< NPP  (kg C/ha)

    double cumCarbonToAtm; ///< total flux of carbon to atmosphere (kg C/ha)

    double cumCarbonToAtm; ///< total flux of carbon to atmosphere (kg C/ha)

    double cumNEP; ///< cumulative ecosystem productivity (kg C/ha), i.e. cumulative(NPP-losses(atm,harvest)

    double cumNEP; ///< cumulative ecosystem productivity (kg C/ha), i.e. cumulative(NPP-losses(atm,harvest)

    double carbonUptake, carbonToAtm, NEP; ///< values of the current year (NPP, flux to atmosphere, net ecosystem prod., all values in kgC/ha)

    double carbonUptake, carbonToAtm, NEP; ///< values of the current year (NPP, flux to atmosphere, net ecosystem prod., all values in kgC/ha)

};

};

class ResourceUnit

class ResourceUnit

{

{

public:

public:

    ResourceUnit(const int index);

    ResourceUnit(const int index);

    ~ResourceUnit();

    ~ResourceUnit();

    // setup/maintenance

    // setup/maintenance

    void setup(); ///< setup operations after the creation of the model space.

    void setup(); ///< setup operations after the creation of the model space.

    void setSpeciesSet(SpeciesSet *set);

    void setSpeciesSet(SpeciesSet *set);

    void setClimate(Climate* climate) { mClimate = climate; }

    void setClimate(Climate* climate) { mClimate = climate; }

    void setBoundingBox(const QRectF &bb);

    void setBoundingBox(const QRectF &bb);

    void setID(const int id) { mID = id; }

    void setID(const int id) { mID = id; }

    // access to elements

    // access to elements

    const Climate *climate() const { return mClimate; } ///< link to the climate on this resource unit

    const Climate *climate() const { return mClimate; } ///< link to the climate on this resource unit

    SpeciesSet *speciesSet() const { return  mSpeciesSet; } ///< get SpeciesSet this RU links to.

    SpeciesSet *speciesSet() const { return  mSpeciesSet; } ///< get SpeciesSet this RU links to.

    const WaterCycle *waterCycle() const { return mWater; } ///< water model of the unit

    const WaterCycle *waterCycle() const { return mWater; } ///< water model of the unit

    Snag *snag() const { return mSnag; } ///< access the snag object

    Snag *snag() const { return mSnag; } ///< access the snag object

    Soil *soil() const { return mSoil; } ///< access the soil model

    Soil *soil() const { return mSoil; } ///< access the soil model

    SaplingCell *saplingCellArray() const { return mSaplings; } ///< access the array of sapling-cells

    SaplingCell *saplingCellArray() const { return mSaplings; } ///< access the array of sapling-cells

    SaplingCell *saplingCell(const QPoint &lifCoords) const; ///< return a pointer to the 2x2m SaplingCell located at 'lif'

    SaplingCell *saplingCell(const QPoint &lifCoords) const; ///< return a pointer to the 2x2m SaplingCell located at 'lif'

    ResourceUnitSpecies &resourceUnitSpecies(const Species *species); ///< get RU-Species-container of @p species from the RU

    ResourceUnitSpecies &resourceUnitSpecies(const Species *species); ///< get RU-Species-container of @p species from the RU

    const ResourceUnitSpecies *constResourceUnitSpecies(const Species *species) const; ///< get RU-Species-container of @p species from the RU

    const ResourceUnitSpecies *constResourceUnitSpecies(const Species *species) const; ///< get RU-Species-container of @p species from the RU

    ResourceUnitSpecies *resourceUnitSpecies(const int species_index) const { return mRUSpecies[species_index]; } ///< get RU-Species-container with index 'species_index' from the RU

    ResourceUnitSpecies *resourceUnitSpecies(const int species_index) const { return mRUSpecies[species_index]; } ///< get RU-Species-container with index 'species_index' from the RU

    const QList<ResourceUnitSpecies*> &ruSpecies() const { return mRUSpecies; }

    const QList<ResourceUnitSpecies*> &ruSpecies() const { return mRUSpecies; }

    QVector<Tree> &trees() { return mTrees; } ///< reference to the tree list.

    QVector<Tree> &trees() { return mTrees; } ///< reference to the tree list.

    const QVector<Tree> &constTrees() const { return mTrees; } ///< reference to the (const) tree list.

    const QVector<Tree> &constTrees() const { return mTrees; } ///< reference to the (const) tree list.

    Tree *tree(const int index) { return &(mTrees[index]);} ///< get pointer to a tree

    Tree *tree(const int index) { return &(mTrees[index]);} ///< get pointer to a tree

    const ResourceUnitVariables &resouceUnitVariables() const { return mUnitVariables; } ///< access to variables that are specific to resourceUnit (e.g. nitrogenAvailable)

    const ResourceUnitVariables &resouceUnitVariables() const { return mUnitVariables; } ///< access to variables that are specific to resourceUnit (e.g. nitrogenAvailable)

    const StandStatistics &statistics() const {return mStatistics; }

    const StandStatistics &statistics() const {return mStatistics; }

    // properties

    // properties

    int index() const { return mIndex; }

    int index() const { return mIndex; }

    int id() const { return mID; }

    int id() const { return mID; }

    const QRectF &boundingBox() const { return mBoundingBox; }

    const QRectF &boundingBox() const { return mBoundingBox; }

    const QPoint &cornerPointOffset() const { return mCornerOffset; } ///< coordinates on the LIF grid of the upper left corner of the RU

    const QPoint &cornerPointOffset() const { return mCornerOffset; } ///< coordinates on the LIF grid of the upper left corner of the RU

    double area() const { return mPixelCount*100; } ///< get the resource unit area in m2

    double area() const { return mPixelCount*100; } ///< get the resource unit area in m2

    double stockedArea() const { return mStockedArea; } ///< get the stocked area in m2

    double stockedArea() const { return mStockedArea; } ///< get the stocked area in m2

    double stockableArea() const { return mStockableArea; } ///< total stockable area in m2

    double stockableArea() const { return mStockableArea; } ///< total stockable area in m2

    double productiveArea() const { return mEffectiveArea; } ///< TotalArea - Unstocked Area - loss due to BeerLambert (m2)

    double productiveArea() const { return mEffectiveArea; } ///< TotalArea - Unstocked Area - loss due to BeerLambert (m2)

    double leafAreaIndex() const { return stockableArea()?mAggregatedLA / stockableArea():0.; } ///< Total Leaf Area Index

    double leafAreaIndex() const { return stockableArea()?mAggregatedLA / stockableArea():0.; } ///< Total Leaf Area Index

    double leafArea() const { return mAggregatedLA; } ///< total leaf area of resource unit (m2)

    double leafArea() const { return mAggregatedLA; } ///< total leaf area of resource unit (m2)

    double interceptedArea(const double LA, const double LightResponse) { return mEffectiveArea_perWLA * LA * LightResponse; }

    double interceptedArea(const double LA, const double LightResponse) { return mEffectiveArea_perWLA * LA * LightResponse; }

    const double &LRImodifier() const { return mLRI_modification; }

    const double &LRImodifier() const { return mLRI_modification; }

    double averageAging() const { return mAverageAging; } ///< leaf area weighted average aging

    double averageAging() const { return mAverageAging; } ///< leaf area weighted average aging

    // actions

    // actions

    Tree &newTree();  ///< returns a modifiable reference to a free space inside the tree-vector. should be used for tree-init.

    Tree &newTree();  ///< returns a modifiable reference to a free space inside the tree-vector. should be used for tree-init.

    int newTreeIndex(); ///< returns the index of a newly inserted tree

    int newTreeIndex(); ///< returns the index of a newly inserted tree

    void cleanTreeList(); ///< remove dead trees from the tree storage.

    void cleanTreeList(); ///< remove dead trees from the tree storage.

    void treeDied() { mHasDeadTrees = true; } ///< sets the flag that indicates that the resource unit contains dead trees

    void treeDied() { mHasDeadTrees = true; } ///< sets the flag that indicates that the resource unit contains dead trees

    bool hasDiedTrees() const { return mHasDeadTrees; } ///< if true, the resource unit has dead trees and needs maybe some cleanup

    bool hasDiedTrees() const { return mHasDeadTrees; } ///< if true, the resource unit has dead trees and needs maybe some cleanup

    /// addWLA() is called by each tree to aggregate the total weighted leaf area on a unit

    /// addWLA() is called by each tree to aggregate the total weighted leaf area on a unit

    void addWLA(const float LA, const float LRI) { mAggregatedWLA += LA*LRI; mAggregatedLA += LA; }

    void addWLA(const float LA, const float LRI) { mAggregatedWLA += LA*LRI; mAggregatedLA += LA; }

    void addLR(const float LA, const float LightResponse) { mAggregatedLR += LA*LightResponse; }

    void addLR(const float LA, const float LightResponse) { mAggregatedLR += LA*LightResponse; }

    /// function that distributes effective interception area according to the weight of Light response and LeafArea of the indivudal (@sa production())

    /// function that distributes effective interception area according to the weight of Light response and LeafArea of the indivudal (@sa production())

    void calculateInterceptedArea();

    void calculateInterceptedArea();

    void addTreeAging(const double leaf_area, const double aging_factor) { mAverageAging += leaf_area*aging_factor; } ///< aggregate the tree aging values (weighted by leaf area)

    void addTreeAging(const double leaf_area, const double aging_factor) { mAverageAging += leaf_area*aging_factor; } ///< aggregate the tree aging values (weighted by leaf area)

    void addTreeAgingForAllTrees(); ///< calculate average tree aging for all trees of a RU. Used directly after stand initialization.

    void addTreeAgingForAllTrees(); ///< calculate average tree aging for all trees of a RU. Used directly after stand initialization.

    // stocked area calculation

    // stocked area calculation

    void countStockedPixel(bool pixelIsStocked) { mPixelCount++; if (pixelIsStocked) mStockedPixelCount++; }

    void countStockedPixel(bool pixelIsStocked) { mPixelCount++; if (pixelIsStocked) mStockedPixelCount++; }

    void createStandStatistics(); ///< helping function to create an initial state for stand statistics

    void createStandStatistics(); ///< helping function to create an initial state for stand statistics

    void recreateStandStatistics(bool recalculate_stats); ///< re-build stand statistics after some change happened to the resource unit

    void recreateStandStatistics(bool recalculate_stats); ///< re-build stand statistics after some change happened to the resource unit

    void setStockableArea(const double area) { mStockableArea = area; } ///< set stockable area (m2)

    void setStockableArea(const double area) { mStockableArea = area; } ///< set stockable area (m2)

    // snag / snag dynamics

    // snag / snag dynamics

    // snag dynamics, soil carbon and nitrogen cycle

    // snag dynamics, soil carbon and nitrogen cycle

    void snagNewYear() { if (snag()) snag()->newYear(); } ///< clean transfer pools

    void snagNewYear() { if (snag()) snag()->newYear(); } ///< clean transfer pools

    void calculateCarbonCycle(); ///< calculate snag dynamics at the end of a year

    void calculateCarbonCycle(); ///< calculate snag dynamics at the end of a year

    // model flow

    // model flow

    void newYear(); ///< reset values for a new simulation year

    void newYear(); ///< reset values for a new simulation year

    // LIP/LIF-cylcle -> Model

    // LIP/LIF-cylcle -> Model

    void production(); ///< called after the LIP/LIF calc, before growth of individual trees. Production (3PG), Water-cycle

    void production(); ///< called after the LIP/LIF calc, before growth of individual trees. Production (3PG), Water-cycle

    void beforeGrow(); ///< called before growth of individuals

    void beforeGrow(); ///< called before growth of individuals

    // the growth of individuals -> Model

    // the growth of individuals -> Model

    void afterGrow(); ///< called after the growth of individuals

    void afterGrow(); ///< called after the growth of individuals

    void yearEnd(); ///< called at the end of a year (after regeneration??)

    void yearEnd(); ///< called at the end of a year (after regeneration??)

private:

private:

    int mIndex; ///< internal index

    int mIndex; ///< internal index

    int mID; ///< ID provided by external stand grid

    int mID; ///< ID provided by external stand grid

    bool mHasDeadTrees; ///< flag that indicates if currently dead trees are in the tree list

    bool mHasDeadTrees; ///< flag that indicates if currently dead trees are in the tree list

    Climate *mClimate; ///< pointer to the climate object of this RU

    Climate *mClimate; ///< pointer to the climate object of this RU

    SpeciesSet *mSpeciesSet; ///< pointer to the species set for this RU

    SpeciesSet *mSpeciesSet; ///< pointer to the species set for this RU

    WaterCycle *mWater; ///< link to the Soil water calculation engine

    WaterCycle *mWater; ///< link to the Soil water calculation engine

    Snag *mSnag; ///< ptr to snag storage / dynamics

    Snag *mSnag; ///< ptr to snag storage / dynamics

    Soil *mSoil; ///< ptr to CN dynamics soil submodel

    Soil *mSoil; ///< ptr to CN dynamics soil submodel

    QList<ResourceUnitSpecies*> mRUSpecies; ///< data for this ressource unit per species

    QList<ResourceUnitSpecies*> mRUSpecies; ///< data for this ressource unit per species

    QVector<Tree> mTrees; ///< storage container for tree individuals

    QVector<Tree> mTrees; ///< storage container for tree individuals

    SaplingCell *mSaplings; ///< pointer to the array of Sapling-cells for the resource unit

    SaplingCell *mSaplings; ///< pointer to the array of Sapling-cells for the resource unit

    QRectF mBoundingBox; ///< bounding box (metric) of the RU

    QRectF mBoundingBox; ///< bounding box (metric) of the RU

    QPoint mCornerOffset; ///< coordinates on the LIF grid of the upper left corner of the RU

    QPoint mCornerOffset; ///< coordinates on the LIF grid of the upper left corner of the RU

    double mAggregatedLA; ///< sum of leafArea

    double mAggregatedLA; ///< sum of leafArea

    double mAggregatedWLA; ///< sum of lightResponse * LeafArea for all trees

    double mAggregatedWLA; ///< sum of lightResponse * LeafArea for all trees

    double mAggregatedLR; ///< sum of lightresponse*LA of the current unit

    double mAggregatedLR; ///< sum of lightresponse*LA of the current unit

    double mEffectiveArea; ///< total "effective" area per resource unit, i.e. area of RU - non-stocked - beerLambert-loss

    double mEffectiveArea; ///< total "effective" area per resource unit, i.e. area of RU - non-stocked - beerLambert-loss

    double mEffectiveArea_perWLA; ///<

    double mEffectiveArea_perWLA; ///<

    double mLRI_modification;

    double mLRI_modification;

    double mAverageAging; ///< leaf-area weighted average aging f this species on this RU.

    double mAverageAging; ///< leaf-area weighted average aging f this species on this RU.

    float *mSaplingHeightMap; ///< pointer to array that holds max-height for each 2x2m pixel. Note: this information is not persistent

    float *mSaplingHeightMap; ///< pointer to array that holds max-height for each 2x2m pixel. Note: this information is not persistent

    int mPixelCount; ///< count of (Heightgrid) pixels thare are inside the RU

    int mPixelCount; ///< count of (Heightgrid) pixels thare are inside the RU

    int mStockedPixelCount;  ///< count of pixels that are stocked with trees

    int mStockedPixelCount;  ///< count of pixels that are stocked with trees

    double mStockedArea; ///< size of stocked area

    double mStockedArea; ///< size of stocked area

    double mStockableArea; ///< area of stockable area (defined by project setup)

    double mStockableArea; ///< area of stockable area (defined by project setup)

    StandStatistics mStatistics; ///< aggregate values on stand value

    StandStatistics mStatistics; ///< aggregate values on stand value

    ResourceUnitVariables mUnitVariables;

    ResourceUnitVariables mUnitVariables;

    friend class RUWrapper;

    friend class RUWrapper;

};

};

#endif // RESOURCEUNIT_H

#endif // RESOURCEUNIT_H