2,743 questions
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Optimizing plots with millions of points in jfreecharts
lately I've been really into plotting enormous realtime data, so in short I have a mysql database, where I store my data, it updates like for 1000 rows in a sec, I take two columns via jdbc with ...
- 1
1
vote
1
answer
66
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Add JScrollPane to JFreeChart_Facing problem
I am having problem adding JScrollPane to my LineChart, I am unable to the full project since it is a big Code. This is a code snippet from my project. I am able to generate the chart but the bottom ...
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31
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Generating smooth curves in JFreeChart using XYBezierRenderer or XYCardinalSplineRenderer
I am trying to generate a graph using JFreeChart to display temperature and humidity data. Initially, I used XYSplineRenderer, but it was going out of bounds. After researching on Stack Overflow, I ...
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74
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JFreeChart Ring Chart total in center not breaking into multiple lines
JFreeChart Ring Chart total in center not breaking into multiple lines. Here is what I have tried, and here is my output:
I just want to create a JFreeChart which is used later to convert to ...
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61
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Icons in sector labels with JFreeChart
In order to convey additional information, I am trying to replicate a specific functionality: embedding icons within the sector labels when using JFreeChart.
It should look something like this ...
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38
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How to customise the tick marks in jfree chart(i want to skip some points between two tick marks)
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
for (int i = 0; i < 60; i++) {
dataset.addValue(i, "y.....", "" + i);
}
JFreeChart chart =
...
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39
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How to fix XYDataset error when creating a bar graph in Java? [duplicate]
I am trying to create an example graph for a different project. The issue is that I am getting the error:
Exception in thread "AWT-EventQueue-0" java.lang.RuntimeException: Uncompilable ...
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Exception in thread "main" java.lang.NoClassDefFoundError: org/jfree/data/category/CategoryDataset [duplicate]
I tried creating a simple BarChart using JFreeChart. The code seems have no problem until I run it.
The error message i got:
Exception in thread "main" java.lang.NoClassDefFoundError: org/...
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1
answer
87
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Remove border of the Legend of Chart
I have a multiAxisChart with a couple of charts. I wrote a JRChartCustomizer for each chart and tried to JFreeChart.getLegend() which returned null. I tried getting CategoryPlot.getLegendItems() which ...
- 1,726
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98
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FastScatterPlot not displaying data
I am trying to build a charting application as a project for college, using JFreeChart to build the graphs and Swing to build the UI. After some debugging Im at a point where the file parser is ...
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181
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JFree Chart3d how to get data points displayed on XYZ Line Chart
I drew a 3D line chart using jfree.chart3d in the Orson Charts library using java. How can I get the data between two points selected with the mouse on the line chart I drew?
I searched deeply but get ...
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50
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Draw graph in GWT
We are using JFreeChart to draw graph in a GWT project, and now we looking for something more interactive to do this. Each one we can use to have a SVG format of graphs by the easiest way.
Trying to ...
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58
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How do I create a program where I can upload an excel sheet and it produces a bar graph?
So for a school project I want to make a tool where you can upload a spreadsheet regarding student grades and the tool will generate a bar graph.
My excel sheet is in the following format
| Student ID ...
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52
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Embed JFreeChart in PDF
I am building a PDF file in my Java application and then I generate a graph using JFreeChart, saving it as JPEG. Now is there any way of embedding the generated image into the PDF? My current code for ...
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37
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JFreeChart setDefaultFillPaint not working
I tried the following code to change the color below my graph line to green:
I dont know why JFreeChart just ignores my wanted color - but I get no error.
JFreeChart chart = ChartFactory....
