Package net.simplace.sim.components.vapourpressure.fao56

Klasse VapourpressureFromAny

java.lang.Object

net.simplace.sim.model.FWSimComponent

net.simplace.sim.components.vapourpressure.fao56.VapourpressureFromAny

Alle implementierten Schnittstellen:

net.simplace.sim.util.FWSimFieldContainer

public class VapourpressureFromAny
extends net.simplace.sim.model.FWSimComponent

Calculates vapour pressure according to FAO56 methods.

Chosen method depends on input availability, preferential order as below.

Methods and required inputs:

1. From dew point: dew point
2. From maximum and minimum humidity: max and min humidity, and max and min temperature
3. From maximum humidity: max humidity and min temperature
4. From mean humidity: mean humidity, and max and min temperature
5. From minimum temperature: min temperature and (optionally) K_0

Note: If data is missing in weather inputs, calculation method may change without throwing an error. This may be desired when dealing with an incomplete dataset, but undesired when missing data unintendedly changes the calculation method. An INFO message is written to log when the method changes.

References

(FAO 56): Allen, Crop evapotranspiration - Guidelines for computing crop water requirements - FAO Irrigation and drainage paper 56, 1998

Autor:

Roelof Oomen, Gunther Krauss, gk@uni-bonn.de

Component Variables

Content Type	Name	Description	Data Type	Unit	Min Value	Max Value	Default Value
constant	cK_0	Correction for calculation of dew point from minimum temperature in arid climates	DOUBLE	°C	0.0	10.0	0.0
input	iRelHumidityMax	maximum relative humidity	DOUBLE	%	0.0	100.0	-
input	iRelHumidityMean	mean relative humidity	DOUBLE	%	0.0	100.0	-
input	iRelHumidityMin	minimum relative humidity	DOUBLE	%	0.0	100.0	-
input	iTDewpoint	dew point temperature	DOUBLE	°C	-100.0	100.0	-
input	iTMax	maximum daily temperature	DOUBLE	°C	-100.0	100.0	-
input	iTMin	minimum daily temperature	DOUBLE	°C	-100.0	100.0	-
out	ActualVapourPressure	actual vapour pressure	DOUBLE	kPa	-	-	-

Verschachtelte Klassen - Übersicht

Von Klasse geerbte verschachtelte Klassen/Schnittstellen net.simplace.sim.model.FWSimComponent

net.simplace.sim.model.FWSimComponent.TEST_STATE

Feldübersicht

Von Klasse geerbte Felder net.simplace.sim.model.FWSimComponent

iFieldMap, iFrequence, iInputMap, iJexlRule, iMasterComponentGroup, iName, iOrderNumber, isComponentGroup, iSimComponentElement, iSimModel, iVarMap

Konstruktorübersicht

Konstruktoren

Konstruktor	Beschreibung
VapourpressureFromAny()	Empty constructor used by class.forName()

Methodenübersicht

Modifizierer und Typ	Methode	Beschreibung
protected net.simplace.sim.model.FWSimComponent	clone(net.simplace.sim.util.FWSimVarMap aVarMap)
HashMap<String,net.simplace.sim.util.FWSimVariable<?>>	createVariables()	Create the FWSimVariables as interface for this SimComponent
HashMap<String,net.simplace.sim.util.FWSimVariable<?>>	fillTestVariables(int aParamIndex, net.simplace.sim.model.FWSimComponent.TEST_STATE aDefineOrCheck)	called for single component test to check the components algorithm.
protected void	init()	Initializes the fields by getting input and output FWSimVariables from VarMap
protected void	process()	Process the algorithm and write the results back to VarMap

Von Klasse geerbte Methoden net.simplace.sim.model.FWSimComponent

addVariable, bind, checkCondition, createSimComponent, createSimComponent, createSimComponent, createSimComponent, doProcess, getConstantVariables, getContentType, getCreateFormXML, getDescription, getEditFormXML, getFieldMap, getFrequence, getFrequenceRuleScript, getInputs, getInputVariables, getMasterComponentGroup, getName, getOrderNumber, getOutputVariables, getVariable, getVariableField, getVarMap, initialize, isConditionCheck, isVariableAvailable, performLinks, performLinks, readInputs, removeVariable, reset, runComponentTest, setVariablesDefault, toComponentLinkingXML, toDocXML, toGroupXML, toOutputDefinitionXML, toResourcesDataXML, toResourcesDefinitionXML, toString, toXML, writeVarInfos

Von Klasse geerbte Methoden java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Konstruktordetails

VapourpressureFromAny

public VapourpressureFromAny()

Empty constructor used by class.forName()

Methodendetails

createVariables

public HashMap<String,net.simplace.sim.util.FWSimVariable<?>> createVariables()

Create the FWSimVariables as interface for this SimComponent

Angegeben von:

createVariables in Schnittstelle net.simplace.sim.util.FWSimFieldContainer

Angegeben von:

createVariables in Klasse net.simplace.sim.model.FWSimComponent

Siehe auch:

• FWSimComponent.createVariables()

init

protected void init()

Initializes the fields by getting input and output FWSimVariables from VarMap

Angegeben von:

init in Klasse net.simplace.sim.model.FWSimComponent

Siehe auch:

• FWSimComponent.init()

process

protected void process()

Process the algorithm and write the results back to VarMap

Angegeben von:

process in Klasse net.simplace.sim.model.FWSimComponent

Löst aus:

Exception

Siehe auch:

• FWSimComponent.process()

fillTestVariables

public HashMap<String,net.simplace.sim.util.FWSimVariable<?>> fillTestVariables(int aParamIndex,
 net.simplace.sim.model.FWSimComponent.TEST_STATE aDefineOrCheck)

called for single component test to check the components algorithm.

Angegeben von:

fillTestVariables in Klasse net.simplace.sim.model.FWSimComponent

Siehe auch:

• Ungültige Referenz

  net.simplace.sim.util.FWSimFieldContainer#fillTestVariables(int aParamIndex, TEST_STATE aDefineOrCheck)

clone

protected net.simplace.sim.model.FWSimComponent clone(net.simplace.sim.util.FWSimVarMap aVarMap)

Angegeben von:

clone in Klasse net.simplace.sim.model.FWSimComponent

Siehe auch:

• FWSimComponent.clone(net.simplace.sim.util.FWSimVarMap)