# Yahoo! UI Library

### charts 3.3.0

Yahoo! UI Library > charts > StackedAreaSplineSeries
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## Class StackedAreaSplineSeries - extends AreaSeries - uses CurveUtil , StackingUtil

StackedAreaSplineSeries creates a stacked area chart with points data points connected by a curve.

### Constructor

StackedAreaSplineSeries `( )`

#### Properties inherited from Plugin.Host:

`PluginHost`

#### Properties inherited from Fills:

`_defaults`

#### Properties inherited from Attribute:

``

#### Properties inherited from CartesianSeries:

`_bottomOrigin, _defaultBorderColors, _defaultFillColors, _defaultLineColors, _defaultPlaneOffset, _defaultSliceColors, _leftOrigin, _xDisplayName, _yDisplayName, GUID`

#### Properties inherited from Base:

`name`

#### Properties inherited from Renderer:

`_styles`

### Methods

#### drawSeries

`protected void drawSeries ( )`
Draws the series.

#### Methods inherited from Plugin.Host:

`_destroyPlugins, _initPlugins, hasPlugin, plug, unplug`

#### Methods inherited from AreaSeries:

`_getDefaultStyles, _setStyles, drawSeries`

#### Methods inherited from Fills:

`_getAreaDefaults, _getClosingPoints, _getStackedClosingPoints, drawAreaSpline, drawFill, drawStackedAreaSpline`

#### Methods inherited from Attribute:

`_addAttrs, _addLazyAttr, _defAttrChangeFn, _fireAttrChange, _getAttr, _getAttrCfg, _getAttrInitVal, _getAttrs, _getStateVal, _isLazyAttr, _normAttrVals, _protectAttrs, _set, _setAttr, _setAttrs, _setAttrVal, _setStateVal, addAttr, addAttrs, attrAdded, get, getAttrs, modifyAttr, removeAttr, reset, set, setAttrs`

#### Methods inherited from EventTarget:

`_getType, _monitor, _parseType, addTarget, after, before, bubble, detach, detachAll, fire, getEvent, getTargets, on, once, parseType, publish, removeTarget, subscribe, unsubscribe, unsubscribeAll`

#### Methods inherited from CartesianSeries:

`_getDefaultColor, _getDefaultStyles, _setCanvas, _toggleVisible, _updateAxisData, _xAxisChangeHandler, _xDataChangeHandler, _yAxisChangeHandler, _yDataChangeHandler, addListeners, draw, render, setAreaData, validate`

#### Methods inherited from Base:

`_aggregateAttrs, _defDestroyFn, _defInitFn, _destroyHierarchy, _filterAttrCfs, _getAttrCfgs, _getClasses, _initHierarchy, _initHierarchyData, _preInitEventCfg, destroy, init, toString`

#### Methods inherited from Renderer:

`_getDefaultStyles, _mergeStyles, _setStyles`

#### Methods inherited from StackingUtil:

`_stackCoordinates`

#### Methods inherited from CurveUtil:

`getControlPoints, getCurveControlPoints`

### Events

#### typeChange

`typeChange ( event )`
Fires when the value for the configuration attribute 'type' is changed. You can listen for the event using the on method if you wish to be notified before the attribute's value has changed, or using the after method if you wish to be notified after the attribute's value has changed.

Parameters:
  `event <Event.Facade>` An Event Facade object with the following attribute specific properties added:
  prevVal
    The value of the attribute, prior to it being set
  newVal
    The value the attribute is to be set to
  attrName
    The name of the attribute being set
  subAttrName
    If setting a property within the attribute's value, the name of the sub-attribute property being set

#### Events inherited from CartesianSeries:

`categoryDisplayNameChange, directionChange, graphChange, graphOrderChange, heightChange, orderChange, renderedChange typeChange valueDisplayNameChange visibleChange xAxisChange xcoordsChange xDataChange xDisplayNameChange xKeyChange xMarkerPlaneChange xMarkerPlaneOffsetChange yAxisChange ycoordsChange yDataChange yDisplayNameChange yKeyChange yMarkerPlaneChange yMarkerPlaneOffsetChange`

#### Events inherited from Base:

`destroy, destroyedChange, init, initializedChange,`

#### Events inherited from Renderer:

`graphicChange, stylesChange`

#### Events inherited from AreaSeries:

`stylesChange, typeChange`

### Configuration Attributes

#### type `- String`

Read-only attribute indicating the type of series.
Default Value: stackedAreaSpline

#### Configuration attributes inherited from CartesianSeries:

`categoryDisplayName, direction, graph, graphOrder, height, order, rendered, type, valueDisplayName, visible, xAxis, xcoords xData xDisplayName xKey xMarkerPlane xMarkerPlaneOffset yAxis ycoords yData yDisplayName yKey yMarkerPlane yMarkerPlaneOffset`

#### Configuration attributes inherited from Base:

`destroyed initialized`

#### Configuration attributes inherited from Renderer:

`graphic styles`

#### Configuration attributes inherited from AreaSeries:

`styles type`

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