How to create a graph representing a big tree(parents and children are know

How to create a graph representing a big tree(parents and children are known)?
Thank you so much!
Also, I need to write the graph into a jpg/gif file or display the graph in the web browser.
I got a code from JGraph and can create the graph I want, although unextendable. However, JGraph define the graph as class Gscene instead of Img or BufferedImg or RenderedImg. Therefore, I couldn't use ImageIO.write(image, ext, file) to write the graph into a jpg file.

aiGrace wrote:
How to create a graph representing a big tree(parents and children are known)?Hierarchical data structures are covered here all the time. Please search before you post. This topic has been covered over and over.
Thank you so much!
Also, I need to write the graph into a jpg/gif file or display the graph in the web browser. I got a code from JGraph and can create the graph I want, although unextendable. However, JGraph define the graph as class Gscene instead of Img or BufferedImg or RenderedImg. Therefore, I couldn't use ImageIO.write(image, ext, file) to write the graph into a jpg file.Did you read the JGraph API? I'm guessing it exposes a method to get the image data somehow.

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