Chart « PieChart « JFreeChart Q&A





1. removing labels from JFree pie chart    stackoverflow.com

Im new to JFree charts, im created a piechart using JFree chart. Now i want to remove the labels from the chart

2. How to reduce gap/space between chart border and pie chart    stackoverflow.com

I want to increase the width of pie chart by reducing the gap between the chart border and chart. how to achieve this. Thanks in advance

3. Changing the content of labels in 3D Pie Charts    jfree.org

Hi, Apologies in advance for the simplicity of this question. I have been thrown a hospital pass with some chart-based reports, and would like some assistance with the following. When I produce my 3D pie chart, the labels are overlapped and thus illegible in many cases. I'd like to reduce the content of the label from say, 'Awaiting Executive Determination - ...

4. Combination of pie charts    jfree.org

5. Pie Charts    jfree.org

6. Dynamic Pie Charts    jfree.org

I am in need of some information. Are dynamic pie charts feasible? I have been unsuccessful thus far, and before I devote too much time to it, I'd like to know if it is possible. Please note, that I am -not- a UI person, so I am totally Swing ignorant. I don't suppose anyone has a sample program that does dynamic ...

7. Where do I find simple examples of each chart, not only pie?    jfree.org

Hi, I have used JFreeChart with JasperReports for many years, but only to create pie charts in my systems. Now, I have to create many kind of charts (Bar3D, Line, etc) for a "dw-like system", and I didn't find in JFreeChart site, JFreeChart zip source code, JasperReports zip source code and either Google simple examples to create a Dataset to feed ...

9. SQL query Drill Down on Pie charts    jfree.org

Hi all, I'm trying to build a Pie chart with a SQL query drill down. I'm working with jfreechart inside a jetspeed portlet, so how can I do to make StandardPieURLGenerator (or something like this) call the query servlet, and pass it the correct filter parameters? Thx in advance. ddefrancesco Roma - Italy





10. Pie Charts    jfree.org

11. Remove labels from the pie charts    jfree.org

12. rotating the 3d pie charts    jfree.org

13. Positioning Legend for Pie Charts    jfree.org

14. Combine pie charts with other types of chart...    jfree.org

Hi... Is there a way to combine pie plot with other types of plot? I want o do it, even if they dont share the same domain/range... Could be something like using MultiplePiePlot, but not only with pie plots. Another thing (kind of related), I want to create a chart just like PeriodAxisDemo1, but when the user selects a value (with ...

15. Pie Charts - label in slice and can pie charts do?    jfree.org

All three questions are shown in a png file here. 1) How can I set the labels to be places in the slice and with no background or border - just the text drawn and with no line to them? I tried setLabelGap(-0.2) but that was not great placement and it still had a line drawn to the which was weird. ...

16. Pie 3D chart -- legend & title    jfree.org

Hi all -- I was successfully able to move the legend on a Pie 3D chart to the right side with: LegendTitle legend = (LegendTitle) chart.getLegend(); legend.setPosition(RectangleEdge.RIGHT); However, with that, the chart's subtitle is no longer centered on the page. The title itself is centered correctly, but the subtitle is offset somewhat to the left. It appears that the subtitle may ...





17. Multi-Level Pie Charts    jfree.org

Hi Guys, Do you have any plans to introduce a multi-level pie chart to the JFreeChart product? Example: "h t t p:/ / linux.byexamples.com/wp-content/uploads/2007/04/baobab.png" These charts are sometimes referred to as "Radial Maps" or "Radial Tree Maps". They are an excellent way of expressing data that has a hierarchical structure where you are looking for excessively large values; they are often ...

18. Percentages in pie charts to equal 100%, even with rounding?    jfree.org

Hi all -- I know how to add percentages to legends and labels in pie charts. My question is, due to rounding I'm not always getting exactly 100%. Is there some way around this without cheating and force-feeding values? We're only talking about .03% of error, but this is still important to the end user. Thank you & Merry Christmas! - ...

19. A chart between a pie and a radar/spider diagram ?    jfree.org

Hello, I need to draw a chart between a spider/radar chart and a pie diagram, in which each slice isn't determined by the angle, but by the radius of the arc of circle (each slice has a distinct radius). I haven't found anything about a such diagram in the documentation. Is jFreeCharts able the draw this ? If yes, what the ...

20. Linkable Pie Charts    jfree.org

21. Label placement on pie charts    jfree.org

are there any methods to control the label placement on pie charts? I'm finding that if my pie chart has a few small slices near the top or bottom that the labels will all be forced in a small area (one of the lower corners) and if the labels are large they are sometimes cut off the page.

22. Getting the height of the chart after creation for PieChart    jfree.org

Hi, I create a PieChart and the no of dataitems used to draw the chart is assigned at runtime. If the chart has 10 items, the chart height assigned is enough for all the labels to be displayed. When the no of dataitems are more then the labels of the Pie chart go out of the scope of the chart image ...