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  Pie chart custom format for legend and sector labels
Posted by Charlie Brown on Sep-18-2014 16:25
| Reply | Monitor
Hi Peter,
Thanks for your reply.
However the legendBox.setText sets for all the items in my legend box, with the last entry
in my array of sectorLabel and longLabels.

I do it as follows:

          LegendBox legend = c.getLegend();
          for (int i = 0; i < longLabels.length; i++) {
            legend.setText("{"+sectorLabel[i]+"}"+"({"+longLabels[i]+"})");
          }

Regards
Charlie

  Re: Pie chart custom format for legend and sector labels
Posted by Peter Kwan on Sep-19-2014 00:09
| Reply | Monitor
Hi Charlie,

The code should be:

c.setData(myData, sectorLabel);
c.addExtraField(longLabels);

c.getLegend().setText("{label} ({field0})");

There is no need to use a loop. When ChartDirector sees the line, it will replace the {label}
with the actual sector label for that sector, and the {field0} with the extra field for that
sector. It should be entered exactly as "{label} ({field0})".

Hope this can help.

Regards
Peter Kwan

  Re: Pie chart custom format for legend and sector labels
Posted by Charlie Brown on Sep-19-2014 19:17
| Reply | Monitor
Hi Peter,

Setting of legend works like a charm. Thank you.
However my sector labels are always showing the same value (last entry of myLabels)

This is how I do:

double myData[] = {17.5, 14.370000000000001, 14.360999999999999,
13.478000000000002, 12.936, 14.056999999999999, 10.062, 12.0};

String myLabels[] = {"14-07-09 23:07", "14-08-09 23:07", "14-07-10 23:07", "14-07-12
23:07", "14-08-13 23:08", "14-08-14 23:08", "14-09-14 23:08", "14-10-14 23:08"}

String myLongLabels  ={"long label1", "long label2", "long label3", "long label4", "long
label5", "long label6", "long label7", "long label8"}

PieChart c = new PieChart(.......);

c.setData(myData, myLabels);

c.addExtraField(myLongLabels);

LegendBox b = c.addLegend(........);

b.setText("{label}({field0})");

Now all the legend texts are appearing correctly. But the all the sectors are having the last
entry of myLabels 14-10-14 23:08.

  Re: Pie chart custom format for legend and sector labels
Posted by Charlie Brown on Sep-19-2014 20:03
| Reply | Monitor
I found the solution to my problem.

I had to set the labelFormat as follows:

double myData[] = {17.5, 14.370000000000001, 14.360999999999999,
13.478000000000002, 12.936, 14.056999999999999, 10.062, 12.0};

String myLabels[] = {"14-07-09 23:07", "14-08-09 23:07", "14-07-10 23:07", "14-07-12
23:07", "14-08-13 23:08", "14-08-14 23:08", "14-09-14 23:08", "14-10-14 23:08"}

String myLongLabels  ={"long label1", "long label2", "long label3", "long label4", "long
label5", "long label6", "long label7", "long label8"}

PieChart c = new PieChart(.......);

#write down exactly "{label}" in the following statement.
c.setLabelFormat("{label}");

c.setData(myData, myLabels);

c.addExtraField(myLongLabels);

LegendBox b = c.addLegend(........);

b.setText("{label}({field0})");