Class: Chart

void Chart( [array $data = false], [string $standard_name = ""], [array $colors = false])

The constructor.

You can pass it an array of Chart_Data objects as data, the name of the visualization and, optional, an array contents the colors in what the Chart data is visualized.

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string encapsulate( string $svg)

This function simply enclosoures the received svg code with the beginning- and ending <svg> or </svg> tags.

Also it includes an <?xml ... ?> header.

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string get( [string $name = false], [array $options = false])

This function returns the svg code for the visualized form of the internal data.

It receives the name of the visualization class to use. As $options, you can pass an array of options forwarded to the visualization class.
The following options are also implemented in this function:
* legend - If set, a legend is also generated. The value is also an array passed to the Chart::makeLegend() function.

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string getColor( integer $id)

This function simply returns a color from the internal coller palette.

Supplied is a number.

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string makeLegend( [array $options = false])

This is an internal function used by the visualization classes to make a legend to the various chart types.

It uses the internal $data structure.
You can pass the following options:
* x & y - X & Y coordinates of the top-left point of the legend

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void makeSVG( [string $name = false], [array $options = false])

This function does the same as get(), with one difference: The returned svg code is capsulated in a <svg>....</svg> element structure, so it returns a completely SVG document.

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array setData( array $data)

This function sets the Chart::$data array to a new value.

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