org.geotools.ysld.parse

Class MedialZoomContext

Object

MedialZoomContext

All Implemented Interfaces:

ZoomContext

Direct Known Subclasses:

ContinuousZoomContext, ListZoomContext

public abstract class MedialZoomContext
extends Object
implements ZoomContext

A zoom context that can find half way points between zoom levels.

Author:

Kevin Smith, Boundless

Field Summary

Fields inherited from interface ZoomContext

HINT_ID

Constructor Summary

Constructors

Constructor and Description
MedialZoomContext()

Method Summary

Modifier and Type	Method and Description
protected abstract double	getMedialScale(int level) Get a scale between the given zoom level and the next
ScaleRange	getRange(Integer min, Integer max) Return a scale range covering the specified zoom level but no others.

Methods inherited from class Object

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

Methods inherited from interface ZoomContext

getScaleDenominator, isInRange

Constructor Detail

MedialZoomContext

public MedialZoomContext()

Method Detail

getMedialScale

protected abstract double getMedialScale(int level)

Get a scale between the given zoom level and the next

getRange

public ScaleRange getRange(@Nullable
                           Integer min,
                           @Nullable
                           Integer max)

Description copied from interface: ZoomContext

Return a scale range covering the specified zoom level but no others.

Specified by:

getRange in interface ZoomContext

Parameters:

min - Minimum zoom level. Absent for open ended.

max - Maximum zoom level. Absent for open ended.

Returns: