This template draws a "bar" with a 1-pixel gray border for use in a bar chart.
By default the bar is colored light gray and has an internal width and height of 20 pixels.
{{User:Jonathan Lane Studeman/Barchart/bar}}
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A parameter called color specifies the color of the bar.
{{User:Jonathan Lane Studeman/Barchart/bar|color=powderblue}}
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{{User:Jonathan Lane Studeman/Barchart/bar|color=#B0E0E6}}
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By combining colors with labels (see below), you can easily produce a color key. For example,
{{User:Jonathan Lane Studeman/Barchart/bar|color=red |name=California}}
{{User:Jonathan Lane Studeman/Barchart/bar|color=blue |name=Florida }}
{{User:Jonathan Lane Studeman/Barchart/bar|color=yellow|name=Oregon }}
{{User:Jonathan Lane Studeman/Barchart/bar|color=green |name=Missouri }}
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A parameter called height specifies the internal height of the bar in a vertical bar chart.
{{User:Jonathan Lane Studeman/Barchart/bar
| color = green
| height = 60
}}
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A parameter called width specifies the width of the bar in a horizontal bar chart.
{{User:Jonathan Lane Studeman/Barchart/bar
| color = yellow
| width = 60
}}
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Height and width cannot be used together. However, if bars of a different width are desired in a vertical bar chart, or bars of a different height are desired in a horizontal bar chart, a parameter called size can be used.
{{User:Jonathan Lane Studeman/Barchart/bar
| color = orange
| height = 80
| size = 4
}}
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{{User:Jonathan Lane Studeman/Barchart/bar
| color = red
| width = 80
| size = 4
}}
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Bars can be "stacked," in vertical or horizontal charts, simply by listing them consecutively.
{{User:Jonathan Lane Studeman/Barchart/bar|height=50|color=red}}
{{User:Jonathan Lane Studeman/Barchart/bar|height=30|color=green}}
{{User:Jonathan Lane Studeman/Barchart/bar|height=40|color=blue}}
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{{User:Jonathan Lane Studeman/Barchart/bar|width=50|color=red}}
{{User:Jonathan Lane Studeman/Barchart/bar|width=30|color=green}}
{{User:Jonathan Lane Studeman/Barchart/bar|width=40|color=blue}}
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Labels can be applied to bars using the parameters label and/or value and/or name.
A label is applied below the bar.
{{User:Jonathan Lane Studeman/Barchart/bar
| label = Oranges
| height = 80
}}
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{{User:Jonathan Lane Studeman/Barchart/bar
| label = Apples
| width = 80
}}
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A value is a label with a smaller font-size and that might be used to display a number that is represented by the bar.
This so-called value of the bar is displayed above the bar in a vertical bar chart, and to the right of the bar in a horizontal bar chart.
{{User:Jonathan Lane Studeman/Barchart/bar
| height = 80
| label = Oranges
| value = 80,000
}}
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{{User:Jonathan Lane Studeman/Barchart/bar
| width = 80
| label = Apples
| value = 80,000
}}
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The value does not have to be a number.
However, for the sake of simplicity in a vertical bar chart (only), the height can be omitted if a numerical value is provided.
{|
|- valign="bottom"
| {{User:Jonathan Lane Studeman/Barchart/bar | value = 80}}
| {{User:Jonathan Lane Studeman/Barchart/bar | value = 23}}
| {{User:Jonathan Lane Studeman/Barchart/bar | value = 42}}
| {{User:Jonathan Lane Studeman/Barchart/bar | value = 13}}
| {{User:Jonathan Lane Studeman/Barchart/bar | value = 66}}
|}
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A name is the final type of label that is available. Just like a value, it has a smaller font-size and might be used to display a number represented by the bar.
The only difference is its placement. The name, if any, is displayed to the right of the bar in a vertical bar chart, and above the bar in a horizontal bar chart.
{{User:Jonathan Lane Studeman/Barchart/bar
| height = 80
| name = 80,000
}}
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{{User:Jonathan Lane Studeman/Barchart/bar
| width = 80
| name = 80,000
}}
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A name, instead of a label, may be useful when stacking bars.
'''Apples'''
{{User:Jonathan Lane Studeman/Barchart/bar
| height = 50
| color = red
| name = Florida
}}
{{User:Jonathan Lane Studeman/Barchart/bar
| height = 80
| color = green
| name = California
}}
{{User:Jonathan Lane Studeman/Barchart/bar
| height = 40
| color = blue
| name = Oregon
}}
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Apples
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But a stacked color key is usually better. (Notice how only the bottom bar is given a label.)
{|
|<!-----------------------
-- stack of bars --
------------------------->
{{User:Jonathan Lane Studeman/Barchart/bar|height=50|color=red }}
{{User:Jonathan Lane Studeman/Barchart/bar|height=80|color=green }}
{{User:Jonathan Lane Studeman/Barchart/bar|height=40|color=blue|label='''Apples'''}}
|<!----------------------
-- color key --
------------------------>
{{User:Jonathan Lane Studeman/Barchart/bar|color=red |name=Florida }}
{{User:Jonathan Lane Studeman/Barchart/bar|color=green |name=California}}
{{User:Jonathan Lane Studeman/Barchart/bar|color=blue |name=Oregon }}
|}
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{{User:Jonathan Lane Studeman/Barchart/bar| width = 50| color = red | name = Florida }}
{{User:Jonathan Lane Studeman/Barchart/bar| width = 80| color = green | name = California}}
{{User:Jonathan Lane Studeman/Barchart/bar| width = 40| color = blue | name = Oregon }}
'''Oranges'''
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Oranges
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