How make output png file in JavaPlot

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i using ">gnujavaplot and i not found a way to make outputs image files. I just plot in gnuplot window, i need the plot output in png file.

I need something like: $ a set terminal png $ set output "filename.png" in gnujavaplot.


i just copy my actual code, withoout editing, so there is a few overhead, but i think you should get the thing. The interesting part starts at

ImageTerminal png = new ImageTerminal();

and dont miss the end of the code!



import javax.imageio.ImageIO;

import com.panayotis.gnuplot.JavaPlot;
import com.panayotis.gnuplot.plot.DataSetPlot;
import com.panayotis.gnuplot.terminal.ImageTerminal;

public class main {
public static void main(String[] args) {
    double[][] values = new double[3][2];
    values[0][0] = 0.1;
    values[0][1] = 0.3;
    values[1][0] = 0.4;
    values[1][1] = 0.3;
    values[2][0] = 0.5;
    values[2][1] = 0.5;

    double[][] values2 = new double[3][2];
    values2[0][0] = 0.2;
    values2[0][1] = 0.0;
    values2[1][0] = 0.7;
    values2[1][1] = 0.1;
    values2[2][0] = 0.6;
    values2[2][1] = 0.5;

    PlotStyle styleDeleted = new PlotStyle();

    PlotStyle styleExist = new PlotStyle();

    DataSetPlot setDeleted = new DataSetPlot(values);
    setDeleted.setTitle("deleted EMs");

    DataSetPlot setExist = new DataSetPlot(values2);
    setExist.setTitle("remaining EMs");

    ImageTerminal png = new ImageTerminal();
    File file = new File("/home/testuser/plot.png");
    try {
        png.processOutput(new FileInputStream(file));
    } catch (FileNotFoundException ex) {
    } catch (IOException ex) {

    JavaPlot p = new JavaPlot();

    p.getAxis("x").setBoundaries(0.0, 1.0);
    p.getAxis("y").setBoundaries(0.0, 1.0);
    p.setTitle("remaining EMs");

    try {
        ImageIO.write(png.getImage(), "png", file);
    } catch (IOException ex) {


ImageTerminal, This terminal is able to process gnuplot output as an image. The image produced ImageTerminal(). Create a new image terminal, and use PNG as it's backend� PNG Encoder: 2. PNG Decoder: 3. PNG file format decoder: 4. Encodes a java.awt.Image into PNG format: 5. Saving a Generated Graphic to a PNG or JPEG File: 6. PngEncoder takes a Java Image object and creates a byte string which can be saved as a PNG file

It's worth an important note, that in addition to the code presented by christo, when you switch the terminal of javaplot, it will block and crash the thread, since gnuplot is waiting for the user to close it, which since it's set to a png file object, there is no way to do. The way to fix this (at least in windows 7) is to set the persist attribute to false, like so:


That will ensure that everything goes nice and quickly and has no trouble.

How to Print Plots from Gnuplot, Then: gnuplot> set term postscript (will produce postscript output) gnuplot> set output plotting) Now you have a postscript file named containing your plot. "printme.png" (output to any filename.png you want) gnuplot> replot gnuplot> set or print it or import it in PowerPoint or whatever you want to do with it. However, so far we had not saved this plot to an image file. So In the next section we will learn how to instruct Matplotlib to save the plot to an image file. Matplotlib Save Plot To File Example Code. As mentioned earlier, we can use Matplotlib to save the output plot to a file using its savefig() function. So in our code above, we simply

I was looking for an answer for this problem as well, but I was unable to find one. However, after seeing an example on how to export to a ".eps" file, I adapted it to PNG. Below is an example of a simple graph of a parabola when x in [0,10]

//PNG export
import com.panayotis.gnuplot.terminal.FileTerminal;
import com.panayotis.gnuplot.terminal.GNUPlotTerminal;
//JavaPlot Styling
import com.panayotis.gnuplot.JavaPlot;
import com.panayotis.gnuplot.plot.AbstractPlot;

public class HOPE {

    public static void main(String[] args) {
        String className="parabola";
        String title="teste";
        //Generates a file in .png
        File file = new File("IMG/statistics_"+ title + "_" + className + ".png");
    //Creates a plot
        JavaPlot plot = new JavaPlot();
    //Creates a terminal class that interacts with Gnuplot without showing the graph
        GNUPlotTerminal terminal = new FileTerminal("png","IMG/statistics_" + title + "_" + className + ".png");
        //Configurations of axis labels
    plot.set("xlabel", "\"LEI-ISEP\"");
    plot.set("ylabel", "\"" + title + "\"");
    plot.set("autoscale", "ymax");
        //Generate the parabola data
    int[][] data = new int[10][2];
    for (int i = 0; i < 10; i++) {
        data[i][0] = i;
        data[i][1] = i*i; //Could hava used Math.pow(i,2)
        //Appends the parabola to the graphic
        //Defines the style of the graph
    PlotStyle stl = ((AbstractPlot) plot.getPlots().get(0)).getPlotStyle();
        //Hides the label on the line
        //Executes the plot (without showing) and saves the image in IMG directory in your project directory

Hope this works for you.

Java Examples for com.panayotis.gnuplot.JavaPlot, Project: replication-benchmarker-master File: View source code i < IterLBV.size(); i++) { zz[i][0] = IterLBV.get(i).p1; zz[i][1] = IterLBV.get(i).p2; } GP1. setTitle(plotFPrf + ".likelihood" + titleStr); GP1.plot(); try { ImageIO.write(png. Hello all, I was trying to output my graph as a PNG file, but nothing came out under my directory. Following is my code: filename grafout 'E:\\test.png'; goptions reset=all gsfname=grafout gsfmode=replace device=png; proc sgplot data=plot; vbox value / category=time group=TreatName ; run; quit;

ImageTerminal (PA-Toolbox -- Predictive Analytics Java Toolbox , This terminal is able to process gnuplot output as an image. The image produced can be used ImageTerminal(). Create a new image terminal, and use PNG as it's backend getImage(). Get a handler of the produced image by this terminal. A simple browser-based JPEG to PNG converter. Just paste your JPEG in the input area and you will instantly get a PNG in the output area. Fast, free, and without ads. Import a JPEG – get a PNG. Created by mad scientists from team Browserling.

Simple Java Plot, Simple Java Plot : Simple Java implementation of plot. Single source file. xy( 3, 4), null); // saving sample_minimal.png"sample_minimal", "png");. To save a plot to an image file, you need to tell R to open a new type of device — in this case, a graphics file of a specific type, such as PNG, PDF, or JPG. The R function to create a PNG device is png (). Similarly, you create a PDF device with pdf () and a JPG device with jpg (). Create the plot.

package PlotPourri.LMC.typeII; import PlotPourri.*; import com , png.processOutput(new FileInputStream(file)); } catch (FileNotFoundException ex) setTerminal(png); p.plot(); try { ImageIO.write(png. for (int i = 0; i < plots. size(); i++) { // List<double[]> plot = plots.get(i); // JavaPlot p = new JavaPlot(); // p. ## copy current plot to a (large) PNG file dev.print(png, file = "myplot.png", width = 1024, height = 768) png(file = "myplot.png", bg = "transparent") plot(1:10) rect(1, 5, 3, 7, col = "white") ## will make myplot1.jpeg and myplot2.jpeg jpeg(file = "myplot%d.jpeg") example(rect)