SimpleHexbinChart class

A compact hexbin chart for dense scatter, location-like density, clickstream concentration, cohorts, and operational hotspots.

Inheritance
Available extensions

Constructors

SimpleHexbinChart({Key? key, required List<SimpleHexbinPoint> points, SimpleBarChartStyle style = SimpleBarChartStyle.elegant, double? minX, double? maxX, double? minY, double? maxY, double height = 260, EdgeInsets padding = _defaultPadding, String? xAxisLabel, String? yAxisLabel, Color? binColor, Color? emptyBinColor, Color? gridColor, Color? axisColor, Color? activeColor, List<Color>? palette, TextStyle? labelStyle, TextStyle? valueStyle, bool showGrid = true, bool showValues = false, bool showLegend = true, bool showTooltip = true, bool showActiveBin = true, bool showAxisLabels = true, bool showOutlines = true, bool showEmptyBins = false, bool useLogScale = false, int gridLineCount = 4, double? cellRadius, double minOpacity = 0.28, double maxOpacity = 0.92, SimpleHexbinValueFormatter? valueFormatter, SimpleHexbinValueFormatter? xValueFormatter, SimpleHexbinValueFormatter? yValueFormatter, SimpleHexbinBinTapCallback? onBinTap, SimpleHexbinTooltipBuilder? tooltipBuilder, WidgetBuilder? emptyBuilder, String? semanticLabel, bool excludeFromSemantics = false, Duration animationDuration = const Duration(milliseconds: 700), Curve animationCurve = Curves.easeOutCubic})
const

Properties

activeColor → Color?
final
animationCurve → Curve
final
animationDuration → Duration
final
apiContract → ChartApiContract?

Available on Widget, provided by the ChartWidgetApiContractExtension extension

no setter
axisColor → Color?
final
binColor → Color?
final
cellRadius → double?
final
emptyBinColor → Color?
final
emptyBuilder → WidgetBuilder?
final
excludeFromSemantics → bool
final
gridColor → Color?
final
gridLineCount → int
final
hashCode → int
The hash code for this object.
no setterinherited
height → double
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
labelStyle → TextStyle?
final
maxOpacity → double
final
maxX → double?
final
maxY → double?
final
minOpacity → double
final
minX → double?
final
minY → double?
final
onBinTap → SimpleHexbinBinTapCallback?
final
padding → EdgeInsets
final
palette → List<Color>?
final
points → List<SimpleHexbinPoint>
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
semanticLabel → String?
final
showActiveBin → bool
final
showAxisLabels → bool
final
showEmptyBins → bool
final
showGrid → bool
final
showLegend → bool
final
showOutlines → bool
final
showTooltip → bool
final
showValues → bool
final
style → SimpleBarChartStyle
final
tooltipBuilder → SimpleHexbinTooltipBuilder?
final
useLogScale → bool
final
valueFormatter → SimpleHexbinValueFormatter?
final
valueStyle → TextStyle?
final
xAxisLabel → String?
final
xValueFormatter → SimpleHexbinValueFormatter?
final
yAxisLabel → String?
final
yValueFormatter → SimpleHexbinValueFormatter?
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
recommendsApiField(String field) → bool

Available on Widget, provided by the ChartWidgetApiContractExtension extension

supportsApiField(String field) → bool

Available on Widget, provided by the ChartWidgetApiContractExtension extension

toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited