Re: [jCharts-users] Problem in Image map generation

[Nathaniel G. A. <nat...@ya...>]

i checked in some changes for this under the krysalis-jcharts module.  I still need to do some
testing for user defined scales that do not show zero on the y-axis.


--- Travis Reeder <tra...@ec...> wrote:
> Probably easiest if you do it, but I looked and I think it's here in 
> verticalPlot():
> 
> if( rectangle.height != 0 )
>                 {
>                     g2d.fill( rectangle );
> 
>                     if( barChartProperties.getShowOutlinesFlag() )
>                     {
>                         barChartProperties.getBarOutlineStroke().draw( 
> g2d, rectangle );
>                         g2d.setPaint( iAxisChartDataSet.getPaint( 0 ) );
>                     }
> 
>                     //---if we are generating an ImageMap, store the 
> image coordinates
>                     if( axisChart.getGenerateImageMapFlag() )
>                     {
>                         String label;
>                         if( axisChart.getXAxis().getAxisLabelsGroup() != 
> null )
>                         {
>                             label = 
> axisChart.getXAxis().getAxisLabelsGroup().getTextTag( i ).getText();
>                         }
>                         else
>                         {
>                             label = null;
>                         }
> 
>                        * axisChart.getImageMap().addImageMapArea( new 
> RectMapArea( rectangle,
>                                                                         
>                              iAxisChartDataSet.getValue( 0, i ),
>                                                                         
>                              label,
>                                                                         
>                              iAxisChartDataSet.getLegendLabel( 0 ) ) );*
>                     }
>                 }
> 
> Should move that addImageMapArea out of the:   if( rectangle.height != 0 
> ) { block so it adds regardless.
> 
> Travis
> 
> Nathaniel G. Auvil wrote:
> 
> >oh i see...that is not good. Nothing gets added to that List when the value is zero. I will try
> to
> >look at this tonight.  The only file which needs a fix for you is BarChart.java if you want to
> >look at it before I can do it.
> >
> >
> >
> >--- Travis Reeder <tra...@ec...> wrote:
> >  
> >
> >>Well nothing, it's not really that it needs to be clicked on, but the 
> >>iterator no longer matches the graph.  It would be nice to have it at 
> >>least return something and you could check the imageMapArea.getValue or 
> >>something to know whether to output that portion of the map html or some 
> >>way at least to know that it skipped a column.
> >>ex:
> >>
> >>ImageMapArea imageMapArea= (ImageMapArea) iterator.next();
> >>    if(imageMapArea.getValue() > 0){
> >>	...  do the rest here
> >>	imageMapArea.toHTML()....
> >>   }
> >>
> >>
> >>Maybe your idea of clicking on the x-axis is a perfect idea, then you don't even have to check
> >>and it would be backwards compatible.
> >>
> >>Travis
> >>
> >>
> >>Nathaniel G. Auvil wrote:
> >>
> >>    
> >>
> >>>what would you click on if there is nothing drawn? The axis?
> >>>
> >>>
> >>>--- Travis Reeder <tra...@ec...> wrote:
> >>> 
> >>>
> >>>      
> >>>
> >>>>If a bar is 0 value, then it seems like no ImageMapArea is is returned 
> >>>>for that bar.  This is problematic when the bars link to dynamic values 
> >>>>for example:
> >>>>
> >>>>ImageMapArea imageMapArea= (ImageMapArea) iterator.next();
> >>>>   html.append( "href=\"processList.jsf?status=" );
> >>>>   html.append( matchingStatusCodes[mapCount] );
> >>>>   html.append( "\"" );
> >>>>
> >>>>
> >>>>Any ideas to get around that?
> >>>>
> >>>>Travis
> >>>>
> >>>>
> >>>>   
> >>>>
> >>>>        
> >>>>
> >>>
> >>>	
> >>>		
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> >>>
> >>>      
> >>>
> >
> >
> >
> >	
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> 


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