[pstricks] What PSTricks package to use?

[Wenguang Wang]

Hi,

I am new to PSTricks so I would appreciate some guide to satisfy my  
need.

My graph will have many text boxes and lines connecting them, used to  
describe the relationship of data structures of a program (I have  
attached a simple sample in the mail).  Most of the text boxes will  
have hyper reference to other part of my LaTeX document.

Is it possible that I draw a EPS file using an external utility, and  
let PSTricks to include the eps file and modify the text in the eps to  
use the hyper reference?

If that is not possible, I will draw the graph using PSTricks.  What  
PSTricks should I use?  pst-node?

Thanks!

-Wenguang

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