[QGIS-trac] [Quantum GIS] #2514: diagram overlay: does not work with negative values

[Quantum GIS]

#2514: diagram overlay: does not work with negative values
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   Reporter:  lutra                             |              Owner:  nobody       
       Type:  bug                               |             Status:  new          
   Priority:  major: does not work as expected  |          Milestone:  Version 1.5.0
  Component:  MapCanvas                         |            Version:  HEAD         
   Keywords:                                    |   Platform_version:               
   Platform:  All                               |           Must_fix:  No           
Status_info:  0                                 |  
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 if a column with negative values is added to the diagram overlay
 configurations then is discarded and not show in the resulting graphic.

 Testeson qgis trunk.

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Ticket URL: <https://trac.osgeo.org/qgis/ticket/2514>
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