de.gsi.chart.axes.spi.format

Class DefaultTimeTickUnitSupplier

java.lang.Object

de.gsi.chart.axes.spi.format.DefaultTimeTickUnitSupplier

All Implemented Interfaces:

TickUnitSupplier

public class DefaultTimeTickUnitSupplier
extends Object
implements TickUnitSupplier

Author:

rstein

Field Summary

Fields

Modifier and Type	Field and Description
static String	HIGHRES_FORMAT
static String	HIGHRES_MODE
static int	HIGHRES_MODE_INDICES
static double[]	TICK_UNIT_DEFAULTS We use these for auto ranging to pick a user friendly tick unit.
static String[]	TICK_UNIT_FORMATTER_DEFAULTS These are matching date formatter strings N.B.

Constructor Summary

Constructors

Constructor and Description
DefaultTimeTickUnitSupplier()

Method Summary

Modifier and Type	Method and Description
double	computeTickUnit(double referenceTickUnit) Should return tick unit that is equal or greater to the given reference tick unit.
static int	getTickIndex(double referenceTickUnit) Gets the index in the TICK_UNIT_DEFAULT list, for which the tick unit is just larger or equal to the reference tick unit.

Methods inherited from class java.lang.Object

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

Field Detail

HIGHRES_MODE

public static final String HIGHRES_MODE

See Also:

Constant Field Values

HIGHRES_MODE_INDICES

public static final int HIGHRES_MODE_INDICES

See Also:

Constant Field Values

HIGHRES_FORMAT

public static final String HIGHRES_FORMAT

See Also:

Constant Field Values

TICK_UNIT_DEFAULTS

public static final double[] TICK_UNIT_DEFAULTS

We use these for auto ranging to pick a user friendly tick unit. (must be increasingly bigger)

TICK_UNIT_FORMATTER_DEFAULTS

public static final String[] TICK_UNIT_FORMATTER_DEFAULTS

These are matching date formatter strings N.B. spaces are being replaced with carriage returns '\n'

Constructor Detail

DefaultTimeTickUnitSupplier

public DefaultTimeTickUnitSupplier()

Method Detail

computeTickUnit

public double computeTickUnit(double referenceTickUnit)

Should return tick unit that is equal or greater to the given reference tick unit.

Specified by:

computeTickUnit in interface TickUnitSupplier

Parameters:

referenceTickUnit - reference tick unit

Returns:

the computed unit that is equal or grater to the specified one

getTickIndex

public static int getTickIndex(double referenceTickUnit)

Gets the index in the TICK_UNIT_DEFAULT list, for which the tick unit is just larger or equal to the reference tick unit.

Parameters:

referenceTickUnit - pre-computed tick unit

Returns:

index in the TICK_UNIT_DEFAULT list