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Item6716: Add ability to specify constant values in legend

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Extension ChartPlugin Normal Closed   n/a  

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Detail

Need ability to specify constant legend values instead of being forced to use table data.

-- TWiki:Main/TaitCyrus - 2011-05-06

This change affects not just legend, but also any plugin parameter that allows for a spreadsheet range to be specified (data, data2, xaxis, and datalegend). Now a constant can be specified in addition to spreadsheet ranges.

For example specifying: data="R1:C1..R10:C1,0" would draw 2 lines. The first is from R1:C1..R10:C1 and the second would be a line with the constant value = 0 with 10 data points (to match the number of data points specified in the first line). This would allow you to highlight the value 0 if some of your data is < 0 and other data is > 0.

Or say that you want to use a data legend that is different from any data that might appear in a table cell, so you could do something like: legend="R1:C1..R1..C4,--avg--" which would create 4 data legends from the table and a 5th data legend as the constant =--avg--.

This also allows for creating a chart that doesn't get any data from a table. For example specifying data="1, 2, 3, 4, 5" would create a line with 5 points on it with the specified values. This feature allows for easily creating sparkline, sparkbar, and sparkarea.

-- TaitCyrus - 2011-05-11

ItemTemplate
Summary Add ability to specify constant values in legend
ReportedBy TWiki:Main.TaitCyrus
Codebase

SVN Range TWiki-5.1.0-trunk, Tue, 19 Apr 2011, build 21041
AppliesTo Extension
Component ChartPlugin
Priority Normal
CurrentState Closed
WaitingFor

Checkins TWikirev:21208
TargetRelease n/a
ReleasedIn

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Topic revision: r3 - 2011-05-11 - TaitCyrus
 
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