org.geotools.ysld.parse

Class ContinuousZoomContext

Object

MedialZoomContext

ContinuousZoomContext

All Implemented Interfaces:

ZoomContext

Direct Known Subclasses:

RatioZoomContext

public abstract class ContinuousZoomContext
extends MedialZoomContext
implements ZoomContext

Zoom Context supporting non-integer levels.

Author:

Kevin Smith, Boundless

Field Summary

Fields inherited from interface ZoomContext

HINT_ID

Constructor Summary

Constructors

Constructor and Description
ContinuousZoomContext()

Method Summary

Modifier and Type	Method and Description
protected double	getMedialScale(int level) Get a scale between the given zoom level and the next
protected abstract double	getScaleDenominator(double level) Find the reciprocal of the scale at a specified zoom level in this context.
double	getScaleDenominator(int level) Find the reciprocal of the scale at a specified zoom level in this context.

Methods inherited from class MedialZoomContext

getRange

Methods inherited from class Object

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

Methods inherited from interface ZoomContext

getRange, isInRange

Constructor Detail

ContinuousZoomContext

public ContinuousZoomContext()

Method Detail

getScaleDenominator

protected abstract double getScaleDenominator(double level)

Find the reciprocal of the scale at a specified zoom level in this context.

Parameters:

level - The level

Returns:

The scale denominator

getScaleDenominator

public double getScaleDenominator(int level)

Find the reciprocal of the scale at a specified zoom level in this context.

Specified by:

getScaleDenominator in interface ZoomContext

Parameters:

level - The level

Returns:

The scale denominator

getMedialScale

protected double getMedialScale(int level)

Get a scale between the given zoom level and the next

Specified by:

getMedialScale in class MedialZoomContext