Class pvc.options.marks.PieChartWedgeExtensionPoint

Extends WedgeExtensionPoint.

Class Summary
Constructor Attributes	Constructor Name and Description
	PieChartWedgeExtensionPoint The class of the Pie chart's protovis Wedge extension points.

Field Summary
Field Attributes	Field Name and Description
	add Use this extension point to add a new protovis mark to another mark.
	angle The angular span of each slice, in radian units.
	bottom Indicates the distance between this mark's bottom side and its parent's bottom side.
	cursor The mouse cursor to show when the mouse is over.
	endAngle The end angle of each slice, in radian units.
	events The mouse events that the mark can receive.
	fillStyle The fill color.
	ibits Flags that affect the interactivity of the mark.
	imask Bit mask which controls the bits of ibits that should be considered.
	innerRadius The inner radius of each slice, in pixel units.
	innerRadiusEx The inner radius of each slice, in pixel units or as a percentage of the outer radius.
	left Indicates the distance between this mark's left side and its parent's left side.
	lineCap The possible ways to draw the ends of a line or line pattern.
	lineWidth The line width.
	offsetRadius The offset radius of each slice, from the center of the pie, in pixel units or as a percentage of the outer radius.
	outerRadius The outer radius of each slice, in pixel units.
	right Indicates the distance between this mark's right side and its parent's right side.
	startAngle The start angle of each slice, in radian units.
	strokeDasharray The possible stroke patterns.
	strokeStyle The line color.
	top Indicates the distance between this mark's top side and its parent's top side.
	visible Indicates if a mark is visible.

Class Detail

pvc.options.marks.PieChartWedgeExtensionPoint

The class of the Pie chart's protovis Wedge extension points.

See the associated protovis documentation at http://mbostock.github.com/protovis/jsdoc/symbols/pv.Wedge.html.

Field Detail

{function} add

Use this extension point to add a new protovis mark to another mark.

If the extension point refers to a panel mark, the parent of the new mark will be that panel. Otherwise, its parent will be the parent panel of the mark of the extension point.

The following example shows how to add an image to an axis tick:

function yAxisTick(){
    return new pv.Image()
            .url('res/images/arrowYy.png')
            .lineWidth(0)
            .height(7)
            .width(5);
}

Borrowed from:: MarkExtensionPoint

{number} angle

The angular span of each slice, in radian units.

Default Value:: 0

Borrowed from:: WedgeExtensionPoint

{number} bottom

Indicates the distance between this mark's bottom side and its parent's bottom side.

See the associated protovis documentation at http://mbostock.github.com/protovis/jsdoc/symbols/pv.Mark.html#bottom.

Borrowed from:: MarkExtensionPoint

{string} cursor

The mouse cursor to show when the mouse is over. The value is a CSS2 cursor: http://www.w3.org/TR/CSS2/ui.html#propdef-cursor.

See the associated protovis documentation at http://mbostock.github.com/protovis/jsdoc/symbols/pv.Mark.html#cursor.

Borrowed from:: MarkExtensionPoint

{number} endAngle

The end angle of each slice, in radian units.

When unspecified, the end angle is the start angle plus the angular span.

Default Value:: 0

Borrowed from:: WedgeExtensionPoint

{string} events

The mouse events that the mark can receive.

The possible values are: 'none', 'painted' and 'all'.

See the associated protovis documentation at http://mbostock.github.com/protovis/jsdoc/symbols/pv.Mark.html#events.

Borrowed from:: MarkExtensionPoint

{pvc.options.varia.ColorString} fillStyle

The fill color.

Borrowed from:: WedgeExtensionPoint

{number|string} ibits

Flags that affect the interactivity of the mark.

The default value, -1 has all bits with the value "1".

Only the bits for which #imask is "1" are considered.

Bits can be combined by using a "|" character, for example: "Selectable|Hoverable"

The following are the supported bit values:

bit	description
Interactive	The mark can trigger and display interaction.
ShowsActivity	The mark's style can change based on the active scene.
ShowsSelection	The mark's style can change based on whether the datums in its scene are selected.
ShowsTooltip	The mark displays a tooltip when pointed to.
Selectable	The mark can be selected by one of the possible means. Use this to disable this mark from affecting selection, by whatever means.
SelectableByClick	The mark can be selected by clicking on it. Requires the Selectable bit as well.
SelectableByRubberband	The mark can be selected by using the rubber-band.
SelectableByFocusWindow	The mark can be selected when the focus window reveals it.
Hoverable	The mark can be hovered-over and affect its scene's active state.
Clickable	The mark can be clicked and trigger the clickAction handler.
DoubleClickable	The mark can be double-clicked and trigger the doubleClickAction handler.