[Piwik-trac] [Piwik] #291: Period compare mode

[Piwik]

#291: Period compare mode
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  Reporter:  mauser       |       Owner:  mauser        
      Type:  New feature  |      Status:  new           
  Priority:  major        |   Milestone:  Stable release
 Component:  Core         |     Version:                
Resolution:               |    Keywords:                
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Changes (by mauser):

  * owner:  => mauser

Old description:

> To add this feature we need a new calendar that supports "compare mode" -
> choosing 2 dates & periods to compare (#290) and DataTable_Compare (#289)
>
> We add 2 additional vars in url:
>  * period_compare
>  * period_date
>
> In period compare mode we display all graphs comparing data from 2
> periods.
>
> Note: When we switch to Pie chart or Bar graph we can display 2 graphs
> for different periods, but this should be added in visualization layer.

New description:

 To add this feature we need a new calendar that supports "compare mode" -
 choosing 2 dates & periods to compare (#290) and DataTable_Compare (#289)

 We add 2 additional vars in url:
  * period_compare
  * period_date

 In period compare mode we display all graphs comparing data from 2
 periods.

 Note: When we switch to Pie chart or Bar graph we can display 2 graphs for
 different periods, but this should be added in visualization layer.

 Examples:
 [to be added]

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Ticket URL: <http://dev.piwik.org/trac/ticket/291#comment:1>
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