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ChartElementFunction   

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ChartElementFunction

is an option for charting functions such as BarChart that gives a function to use to generate the primitives for rendering each chart element.

Details

ChartElementFunction->f specifies that each chart element should be rendered with the graphics primitives given by f[region,values,metadata].
ChartElementFunction->"name" uses a named function for generating chart elements.
Lists of built-in named functions for specific charting functions can be obtained from ChartElementData["BarChart"], etc.
In ChartElementFunction->f, the region argument to f is given as follows:

	BarChart,RectangleChart,Histogram,BubbleChart	{{x_min,x_max},{y_min,y_max}}
	BarChart3D,RectangleChart3D,Histogram3D,BubbleChart3D	{{x_min,x_max},{y_min,y_max},{z_min,z_max}}
	PieChart,SectorChart	{{θ_min,θ_max},{r_min,r_max}}
	PieChart3D, SectorChart3D	{{θ_min,θ_max},{r_min,r_max},{z_min,z_max}}

In ChartElementFunction->f, the values argument to f is given as follows:

	BarChart,BarChart3D,PieChart,PieChart3D	y
	RectangleChart,SectorChart	{x,y}
	RectangleChart3D, SectorChart3D,BubbleChart	{x,y,z}
	BubbleChart3D	{x,y,z,w}
	Histogram,Histogram3D	list

In the case of Histogram and Histogram3D the values given are those in the sublist of data associated with each bin.
With input data of form {d₁->m₁,d₂->m₂,…} the metadata associated with d_i is {m_i}. With input data of the form {{d₁->m₁,d₂->m₂,…},…}->m₀ the metadata associated with d_i is {m₀,m_i}.

Examples

Basic Examples (2)

Use a built-in ChartElementFunction:

Construct a custom rendering function:

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