com.imsl.chart
Class TransformDate

java.lang.Object
  com.imsl.chart.TransformDate

All Implemented Interfaces:

Transform

public class TransformDate

extends Object

implements Transform

Defines a transformation along an axis that skips weekend dates.

Constructor Summary

TransformDate()

Method Summary

boolean	isWeekday(GregorianCalendar cal) Returns true if the specified date is a weekday.
double	mapUnitToUser(double unit) Maps points in the interval [0,1] to user coordinates.
double	mapUserToUnit(double user) Maps user coordinate to the interval [0,1].
void	setupMapping(Axis1D axis1d) Initializes the mappings between user and coordinate space.

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformDate

public TransformDate()

Method Detail

isWeekday

public boolean isWeekday(GregorianCalendar cal)

Returns true if the specified date is a weekday.

mapUnitToUser

public double mapUnitToUser(double unit)

Maps points in the interval [0,1] to user coordinates.

Specified by:

mapUnitToUser in interface Transform

mapUserToUnit

public double mapUserToUnit(double user)

Maps user coordinate to the interval [0,1]. The user coordinate interval is specified by the "Window" attribute for the axis with which the transform is associated.

Specified by:

mapUserToUnit in interface Transform

setupMapping

public void setupMapping(Axis1D axis1d)

Initializes the mappings between user and coordinate space.

Specified by:

setupMapping in interface Transform