Sapling Class Reference

saplings from 5cm to 4m More...

#include <sapling.h>

Public Member Functions
	Sapling ()
void	setup (ResourceUnitSpecies *masterRUS)
void	cleanupStorage ()
	maintenance function to clear dead/recruited saplings from storage More...
void	clearStatistics ()
void	newYear ()
void	clear ()
const QVector< SaplingTreeOld > &	saplings () const
void	calculateGrowth ()
	perform growth + mortality + recruitment of all saplings of this RU and species More...
int	addSapling (const QPoint &pos_lif, const float height=0.05f, const int age=1)
	add a new sapling at 'pos_lif' (i.e. More...
void	clearSapling (SaplingTreeOld &tree, const bool remove)
	clear (either remove or kill) a specific sapling More...
void	clearSapling (int index, const bool remove)
void	clearSaplings (const QPoint &position)
	clear saplings on a given position (after recruitment) More...
void	clearSaplings (const QRectF &rectangle, const bool remove_biomass)
	clear saplings within a given rectangle More...
bool	hasSapling (const QPoint &position) const
	return true if sapling is present at position More...
double	heightAt (const QPoint &position) const
	return the height at given position or 0 if position is not occupied More...
int	newSaplings () const
int	diedSaplings () const
int	livingSaplings () const
	get the number More...
int	recruitedSaplings () const
double	livingStemNumber (double &rAvgDbh, double &rAvgHeight, double &rAvgAge) const
	returns the represented (Reineke's Law) number of trees (N/ha) and the mean dbh/height (cm/m) More...
double	averageHeight () const
double	averageAge () const
double	averageDeltaHPot () const
double	averageDeltaHRealized () const
double	representedStemNumber (float height) const
	return the number of trees represented by one sapling of the current species and given 'height' More...
const CNPair &	carbonLiving () const
	state of the living More...
const CNPair &	carbonGain () const
	state of the living More...
void	fillMaxHeightGrid (Grid< float > &grid) const
	fill a grid with the maximum height of saplings per pixel (2x2m). More...
const std::bitset< cPxPerRU *cPxPerRU > &	presentPositions () const

Static Public Member Functions
static void	setRecruitmentVariation (const double variation)
static void	updateBrowsingPressure ()

Friends
class	Snapshot

Detailed Description

saplings from 5cm to 4m

Sapling stores saplings per species and resource unit and computes sapling growth (before recruitment).

http://iland.boku.ac.at/sapling+growth+and+competition Saplings are established in a separate step (

See also

Regeneration). If sapling reach a height of 4m, they are recruited and become "real" iLand-trees. Within the regeneration layer, a cohort-approach is applied.

Constructor & Destructor Documentation

Sapling()

Sapling::Sapling

(

)

Member Function Documentation

addSapling()

int Sapling::addSapling	(	const QPoint &	pos_lif,
		const float	height = 0.05f,
		const int	age = 1
	)

add a new sapling at 'pos_lif' (i.e.

add a sapling at the given position (index on the LIF grid, i.e. 2x2m)

QPoint with LIF-coordiantes) and with (optionally) 'height' (m) and 'age' (years) Returns the index of the newly added sapling.

averageAge()

double Sapling::averageAge ( ) const

inline

averageDeltaHPot()

double Sapling::averageDeltaHPot ( ) const

inline

averageDeltaHRealized()

double Sapling::averageDeltaHRealized ( ) const

inline

averageHeight()

double Sapling::averageHeight ( ) const

inline

calculateGrowth()

void Sapling::calculateGrowth

(

)

perform growth + mortality + recruitment of all saplings of this RU and species

main growth function for saplings.

Statistics are cleared at the beginning of the year.

carbonGain()

const CNPair & Sapling::carbonGain ( ) const

inline

state of the living

carbonLiving()

const CNPair & Sapling::carbonLiving ( ) const

inline

state of the living

cleanupStorage()

void Sapling::cleanupStorage

(

)

maintenance function to clear dead/recruited saplings from storage

clear()

void Sapling::clear ( )

inline

clearSapling() [1/2]

void Sapling::clearSapling	(	int	index,
		const bool	remove
	)

clearSapling() [2/2]

void Sapling::clearSapling	(	SaplingTreeOld &	tree,
		const bool	remove
	)

clear (either remove or kill) a specific sapling

clearSaplings() [1/2]

void Sapling::clearSaplings

(

const QPoint &

position

)

clear saplings on a given position (after recruitment)

clearSaplings() [2/2]

void Sapling::clearSaplings	(	const QRectF &	rectangle,
		const bool	remove_biomass
	)

clear saplings within a given rectangle

clearStatistics()

void Sapling::clearStatistics

(

)

diedSaplings()

int Sapling::diedSaplings ( ) const

inline

fillMaxHeightGrid()

void Sapling::fillMaxHeightGrid

(

Grid< float > &

grid

)

const

fill a grid with the maximum height of saplings per pixel (2x2m).

this function is used for visualization only

hasSapling()

bool Sapling::hasSapling

(

const QPoint &

position

)

const

return true if sapling is present at position

heightAt()

double Sapling::heightAt

(

const QPoint &

position

)

const

return the height at given position or 0 if position is not occupied

retrieve the height of the sapling at the location 'position' (given in LIF-coordinates) this is quite expensive and only done for initialization

livingSaplings()

int Sapling::livingSaplings ( ) const

inline

get the number

livingStemNumber()

double Sapling::livingStemNumber	(	double &	rAvgDbh,
		double &	rAvgHeight,
		double &	rAvgAge
	)		const

returns the represented (Reineke's Law) number of trees (N/ha) and the mean dbh/height (cm/m)

get the represented (Reineke's Law) number of trees (N/ha)

newSaplings()

int Sapling::newSaplings ( ) const

inline

newYear()

void Sapling::newYear ( )

inline

presentPositions()

const std::bitset< cPxPerRU *cPxPerRU > & Sapling::presentPositions ( ) const

inline

recruitedSaplings()

int Sapling::recruitedSaplings ( ) const

inline

representedStemNumber()

double Sapling::representedStemNumber

(

float

height

)

const

return the number of trees represented by one sapling of the current species and given 'height'

saplings()

const QVector< SaplingTreeOld > & Sapling::saplings ( ) const

inline

setRecruitmentVariation()

static void Sapling::setRecruitmentVariation ( const double  variation )

inlinestatic

setup()

void Sapling::setup ( ResourceUnitSpecies *  masterRUS )

inline

updateBrowsingPressure()

void Sapling::updateBrowsingPressure ( )

static

Friends And Related Function Documentation

Snapshot

friend class Snapshot

friend

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The documentation for this class was generated from the following files:

• C:/dev/iland/src/core/sapling.h
• C:/dev/iland/src/core/sapling.cpp