Package org.geotools.mbstyle.expression
Class MBHeatmap
- Object
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- ExpressionAbstract
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- FunctionImpl
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- MBExpression
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- MBHeatmap
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- All Implemented Interfaces:
Expression
,Function
public class MBHeatmap extends MBExpression
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Field Summary
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Fields inherited from class MBExpression
colors, decisions, featureData, ff, heatMap, json, lookUp, math, name, parse, ramps, string, transformer, types, variableBindings, zoom
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Fields inherited from class FunctionImpl
functionName
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Fields inherited from interface Expression
NIL
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Constructor Summary
Constructors Constructor Description MBHeatmap(JSONArray json)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Expression
getExpression()
Determines which expression to use.Expression
heatmapDensity()
Gets the kernel density estimation of a pixel in a heatmap layer, which is a relative measure of how many data points are crowded around a particular pixel.-
Methods inherited from class MBExpression
canCreate, create, getName, throwInsufficientArgumentCount, throwUnexpectedArgumentCount, transformExpression, transformLiteral
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Methods inherited from class FunctionImpl
accept, dispatchArguments, equals, evaluate, functionName, getFallbackValue, getFunctionName, getParameters, getParameterValue, getParameterValue, hashCode, setFallbackValue, setName, setParameters, toString
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Methods inherited from class ExpressionAbstract
evaluate
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Methods inherited from interface Expression
evaluate
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Method Detail
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heatmapDensity
public Expression heatmapDensity()
Gets the kernel density estimation of a pixel in a heatmap layer, which is a relative measure of how many data points are crowded around a particular pixel. Can only be used in the heatmap-color property. Example: ["heatmap-density"]: number- Returns:
- heat map density expression
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getExpression
public Expression getExpression() throws MBFormatException
Description copied from class:MBExpression
Determines which expression to use.- Specified by:
getExpression
in classMBExpression
- Throws:
MBFormatException
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