Double Pushout Graph Rewriting

Project concerning double pushout graph rewriting for Graph Transformations and Graph Algorithms 2021/22.

Authors

Antonina Kuś

• implementation of double pushout algorithm
• implementation of structures

Dominika Bocheńczyk

• implementation of parsing data from files
• preparation of input files

Kamil Miśkowiec

• implementation of graphical user interface

Monika Pyrek

• preparation of transformations examples
• preparation of input files

Piotr Magiera

• implementation of structures
• project management and content supervision
  
  

User manual

To run the program you should:

• install all packages listed in requirements file
• run the following command
  
  

  python main.py
  

• provide path to input file in console when asked for it e.g. src/input_files/ex1.txt
• the interactive part of the program should be now visible in application window
  
  

Important

One should put indexes of vertices they want to conduct a production on:

• in the order corresponding to indexes of vertices in the left hand side of the production in ascending order
• separated with commas

Example of a proper input to a production

Input file format

Example of an input file

File:

• Input Graph
• Productions
• NEWLINE AT THE END
  
  where:

  • Graph:

    • -->
    • labels
    • indexes
    • edges in format:
    • vi edge_label vj
    • --<

  • Production:

    • Graph
    • Graph
    • Graph
      
      

Models of transformations

Project files contain four example graph grammars concerning graph transformations.