org.geotools.ysld.parse

Interface ZoomContext

All Known Implementing Classes:

ContinuousZoomContext, ListZoomContext, MedialZoomContext, RatioZoomContext

public interface ZoomContext

Represents a mapping between zoom level and scale.

Author:

Kevin Smith, Boundless

Field Summary

Fields

Modifier and Type	Field and Description
static String	HINT_ID

Method Summary

Modifier and Type	Method and 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 Detail

HINT_ID

static final String HINT_ID

See Also:

Constant Field Values

Method Detail

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(@Nullable
                    Integer min,
                    @Nullable
                    Integer max)

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

Parameters:

min - Minimum zoom level. Absent for open ended.

max - Maximum zoom level. Absent for open ended.

isInRange

boolean isInRange(int level)

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