Try to use JGraphX to create graphs in java. You could find maven dependency on github. To save tree graph try java JGraphx save as an image

I am drawing a graphical representation of information my simulation is generating. I have the graph displaying but the problem i am running into is to be able to save it as a .png. When it saves the png, the file is all black, so it's not saving my graph but creating some blank png file.

Jul 14, 2018 · I need to create a chart by reading some entries in my DB. I just want to create a image of the chart and create a new png. I prefer to do this with Java native libraries, so far I was able to get the following working.

Jan 27, 2024 · In this article we learn how to use JFreeChart. We show how to create various types of charts. The charts are displayed in a Swing application and saved to an image file. We use a Java servlet to create and render a chart in a web browser and retrieve data for a chart from a MySQL database.

The following example shows how to export a Chart to an image file. Note that this example only runs with Java 1.4 or later because of the png export functionality. The chart gets painted into a buffered image and then exported to a file: ImageExportExample

Feb 19, 2021 · Graphviz is an open source graph visualization software. We can use it to print different kinds of diagrams. You can read more about Graphviz here. We will use a simple java class that creates the dot file (graphviz input file) and uses that dot file to output an image using various code instructions. You can…

In this tutorial, you will learn how to create bar charts in Java, using powerful libraries that simplify the process. Mastering bar chart creation will enhance your ability to represent data visually, making your applications more user-friendly and informative.

Draw an Image and save to png. import java.awt.BasicStroke; import java.awt.Color; import java.awt.Font; import java.awt.FontMetrics; import java.awt.GradientPaint; import java.awt.Graphics2D; import java.awt.geom.Ellipse2D; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO ...

Feb 5, 2011 · I have an XML file and I want to create a graph based on some entities, then store this graph in an image, JPG or PNG. So is there a library in Java to do something like this? Or are there some tricks by parsing XML files?

May 20, 2024 · Invoke the addChart method to add a chart to the end of the collection. getImage method returns the shape thumbnail. Invoke the save method to save the chart as a PNG image. The following code sample shows how to convert chart to image in Java programmatically: You can see the output in the image below: Extract Charts From PPTX - Get a Free ...