draw « Plot « JFreeChart Q&A

1. Looking for a javascript chart library that can draw ~200,000 points on a scatter plot stackoverflow.com

I am building a web application who's interface includes a large scatter plot to give the user an overview of his data. The scatter plot has about 200,000 points. Currently I ...

2. How to set the MINIMUM_HEIGHT_TO_DRAW in CategoryPlot ? jfree.org

3. How to draw mean and standard deviation on any Plot? jfree.org

What is the most straightforward way to plot the mean and standard deviation lines of an entire dataset to TimeSeriesCollection. I need the mean and standard deviation for the entire dataset, not each row and column. I know that DefaultStatisticalCategoryDataset is a part of org.jfree.data.statistics and TimeSeriesCollection is a part of org.jfree.data.time which is sub-classed out of org.jfree.data.xy so they don't ...

4. Draw a line (boundary) in a Scatterplot jfree.org

Hello, I am trying to draw a line inside a scatter plot (boundaries in a LDA projection) but I cant get them to work ok. I tried to change the shape of a new point to a line, but drawing coordinates are not the same as chart ones, and lines are not correct. Could anyone help me please? Carlos.

5. How to draw a lines between 2 points in XYPlot jfree.org

6. drawing legends inside plot jfree.org

Hi, I am very new to Jfreechart, nearly 3-4 days old, I have the following quires 1. is it possible to draw legends inside the plot, probably the top left corner of the XYPlot 2. I have a timeSeries chart with 2 series running; I would like to put an annotation text when two series intersect. how can i do this. ...

7. Drawing over the plot jfree.org

Hi everybody, I have the following requirement: I am using a dot plot. I should be able to draw polygons over the plot with the mouse (using mouse events), for example in the same way the rectangular polygon for zooming is being drawn, but instead of zooming I need the polygon to be painted over the plot as a Java2D polygon ...

8. [Plot Chart] draw ellipse jfree.org

(excuse for bad english, i'm french) Hi there ! In my Software, there are some PlotCharts. I need to know the way to draw ellipse on those charts. Is that possible ? I have to make a glassPane to draw the ellipse on it or i can make a custom XYRenderer just for the ellipse ??? thanks

9. Drawing calculated lines on XYPlot jfree.org

Hi, I have an XYPlot of data and need to draw boundary lines at the top and bottom of the data (these will be calcualted based on the data within the plot) I would like to be able to draw these as solid and dotted lines for the entire length of the x axis at a particular point on the y ...

10. ConcurrentModificationException when XYPlot drawing markers jfree.org

Current situation: The chart will be kept redrawing as dataset will be updated as time goes by. At the same time, the collection of markers may be updated on demand. On very rare case, it would throw "ConcurrentModificationException" when XYPlot is iterating the markers during drawing if marker is added at that time. Just see if it is necessary to synchronize ...

11. how to draw a web plot jfree.org

12. [1.0.13] drawing "markers" on a SpiderWebPlot jfree.org

Hello. I'm developing a JRuby-powered JFreeChart server, that gets POST data and definitions for charts and returns a Base64-encoded PNG containing the chart. So far, so good but I also need to draw "markers" to serve as visual cues for threshold values on certain graphs. For XY plots, addRangeMarker (I can make for example Y from 1 to 3 have a ...

13. Drawing on top of an XYPlot jfree.org

Hello, I have an XYPlot with two curves on it. Here's what I want to do: Move the mouse along one of the curves. As the mouse moves, 1. draw a horizontal line connecting the two curves. 2. draw a vertical line connecting the two curves. As the mouse is moved the horizontal and vertical lines should keep moving to track ...