io.warp10.script.functions

Class NORMALIZE

java.lang.Object

io.warp10.script.NamedWarpScriptFunction

io.warp10.script.GTSStackFunction

io.warp10.script.functions.NORMALIZE

All Implemented Interfaces:

WarpScriptStackFunction

public class NORMALIZE
extends GTSStackFunction

Normalize numeric GTS instances (replace X by (X-min)/(max -min) or by 1 if max == min)

Constructor Summary

Constructors

Constructor and Description
NORMALIZE(java.lang.String name)

Method Summary

Modifier and Type	Method and Description
protected java.lang.Object	gtsOp(java.util.Map<java.lang.String,java.lang.Object> params, GeoTimeSerie gts) Method to apply to individual GTS instances
protected java.util.Map<java.lang.String,java.lang.Object>	retrieveParameters(WarpScriptStack stack) Method which extracts the parameters from the top of the stack

Methods inherited from class io.warp10.script.GTSStackFunction

apply

Methods inherited from class io.warp10.script.NamedWarpScriptFunction

getName, refSnapshot, setName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

NORMALIZE

public NORMALIZE(java.lang.String name)

Method Detail

retrieveParameters

protected java.util.Map<java.lang.String,java.lang.Object> retrieveParameters(WarpScriptStack stack)
                                                                       throws WarpScriptException

Description copied from class: GTSStackFunction

Method which extracts the parameters from the top of the stack

Specified by:

retrieveParameters in class GTSStackFunction

Throws:

WarpScriptException

gtsOp

protected java.lang.Object gtsOp(java.util.Map<java.lang.String,java.lang.Object> params,
                                 GeoTimeSerie gts)
                          throws WarpScriptException

Description copied from class: GTSStackFunction

Method to apply to individual GTS instances

Specified by:

gtsOp in class GTSStackFunction

Throws:

WarpScriptException