Package org.geotools.styling.zoom

Interface ZoomContext

All Known Subinterfaces:

ZoomContext

All Known Implementing Classes:

ContinuousZoomContext, ContinuousZoomContext, ListZoomContext, ListZoomContext, MedialZoomContext, MedialZoomContext, RatioZoomContext, RatioZoomContext

public interface ZoomContext

Represents a mapping between zoom level and scale.

Author:

Kevin Smith, Boundless

Field Summary

Fields

Modifier and Type	Field	Description
static final String	HINT_ID

Method Summary

Modifier and Type	Method	Description
ScaleRange	getRange(Integer min, Integer max)	Return a scale range covering the specified zoom level but no others.
double	getScaleDenominator(int level)	Find the reciprocal of the scale at a specified zoom level in this context.
boolean	isInRange(int level)	Is the given level within the range for which the context has clearly defined scales.

Field Details

HINT_ID

static final String HINT_ID

See Also:

• Constant Field Values

Method Details

getScaleDenominator

double getScaleDenominator(int level)

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

Parameters:

level - The level

Returns:

The scale denominator

getRange

ScaleRange getRange(Integer min,
 Integer max)

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

Parameters:

min - Minimum zoom level. Absent (null) for open ended ranges.

max - Maximum zoom level. Absent (null) for open ended ranges.

isInRange

boolean isInRange(int level)

Is the given level within the range for which the context has clearly defined scales.