I am using JFreeChart and want to be able to change the label on the range axis from a number to something more meaningful for the domain I am in. I only see options for customizing the look of the label and no way to override the content of the label based on the position of the tick. Does anyone know how to override the text of the t...
hi!i am trying to display a chart within a panel such that i need to divide the chart into 2 halves...the line in the middle is a reference line from where i need to take 30 pixels above and below...plz help ...
Any ideas? There is no setRadiusLabelsVisible(...) or setLabelGenerator(null) method which exists for at least some of the other charts. :) ...
Currently, the PolarChart joins all the coordinates with lines creating a polygon. I just want it to plot each point with a dot and NOT join them together. Is this possible? I have tried using translateValueThetaRadiusToJava2D() and Graphics2D to draw circles but it's very clunky and contrived. Any suggestions welcome! ...
I've got a stream of incoming data that I would like to plot using a simple histogram. I don't know the range of values, or the proper resolution or bin width to use for the histogram. SimpleHistogramDataset provides some of this functionality, but I don't want to have to deal with catching exceptions in order to add new bins if the new...
I want the label of one of my axis to be two words, each aligned to the beginning and end of said axis - I've been doing this by inserting spaces in the Axis label, but it's a crappy solution. Is there a way to align label text for a JFreeChart chart? Thanks for any replies! ...
Anybody that has experience using Jfreechart, is there a way to change the color of my labels for my XY axes. Right now I'm using a XYPlot and I want to change the color of the labels on my axes. Is there a way to do this? Thanks ...
I am having trouble with setting up the open source library JFreeChart for creating charts using Java. This is the process I have followed so far in trying to set it up: I downloaded the latest version from their download page http://sourceforge.net/projects/jfreechart/files/. I then unpacked the jfreechart-1.0.13.zip in the directory...
Using series.add(180, 1); produces a perfectly valid chart like this (little red dot at the bottom with some PolarItemRenderer Mods!) but using series.add(3000/(6000/360), 1); produces this beast: I assume it's because somewhere, 6000/360 = 16.6... is getting rounded? How can I stop this happening? Thanks :) ...
I am using Struts2. I need to display JFreeChart in a web page. Can any body help me on that? Edit: it is getting displayed in binary format. public String execute() throws Exception { System.out.println("Refresh bar Chart"); response.setContentType("image/png"); OutputStream outstream = response.getOutputStream(); try ...
Recently, I had use JXLayer, to overlay two moving yellow message boxes, on the top of JFreeChart http://yccheok.blogspot.com/2010/02/investment-flow-chart.html I was wondering, had anyone experience using JXLayer + JHotdraw, to overlay all sorts of figures (Re-sizable text box, straight line, circle...), on the top of JFreeChart. I j...
Right now I'm using JFreeChart in order to create a dynamic chart. However the chart is significantly slowing down my GUI. I was just wondering, is jfreechart generally heavy in the graphics department (my computer is not fast at all). Or is there a way to configure the ChartPanel to better optimize dynamic charting. ...
Firstly, I went here ( http://code.google.com/p/struts2-examples/downloads/list and I downloaded Hello_World_Struts2_Mvn.zip) and I run that example. After that, I went here (http://struts.apache.org/2.x/docs/jfreechart-plugin.html), I add the dependencies for commons-lang-2.5.jar, jcommon-1.0.16.jar and jfreechart-1.0.13.jar and I mo...
Right now I want to create a time series graph in jfreechart. However the examples online only have charts using classes like "Day", "Month", and so on. So I want to essentially create a XY line chart. However the problem I'm having is that Jfreechart doesn't connect the data points in the order in which they were added. Also it doesn't ...
Hi, I'm doing a GUI that has a XYPlot (from the JFreeChart package) and when I click a button I'm trying to add some values. I add them correctly to the XYSeries that are inside the XYPlot, but the GUI doesn't change. It only changes when y maximize or minimize. Is there some kind of repaint to do this? I have been looking for it and I ...
I'm trying to generate graphs using JFreeChart. I added record in web.xml, installed jfreechart library. Compiled servlet. Below code of servlet has shown: import java.io.IOException; import java.io.OutputStream; import java.io.File; import javax.servlet.*; import javax.servlet.http.*; import java.awt.Color; import org.jfree.chart.Char...
Hi, I am new to using JFreeChart and I'm sure there is a simple solution to my problem . . PROBLEM: I have a chart that shows multiple "events types" along the date X axis. The Y axis shows the "event category". My problem is that only the latest date of an event type is shown for each category. In the example below The chart shows da...
I am using jfreechart (specially ChartFactory.createTimeSeriesChart()). Is there a way to signal events like Google Finance charts, see the A, B, C etc on the right and in the chart. ...
Hi! I've got the following chart made with JFreeChart: Is it possible (and if it is how) to extend the dates on the x-axis so that they contain the year, eg. 4-II-2010, 5-II-2010, ..., 6-III-2010? ...
I am trying to create a Stacked Bar Chart. My requirement is I need percentage composition inside the bar and total count on top of the Bar. Please suggest solutions. My Requirement: Sample : http://www.jfree.org/jfreechart/api/javadoc/images/StackedBarRenderer3DSample.png I want percentage composition inside the bar and total compos...