Main window

Operations:

• Open a model:
  Click on File/Open and select the file artic.xml in the data directory.
• Save the model:
  Click on File/Save.
• Save the model to a different file:
  Click on File/Save as.
• Reload the model:
  Click on File/Reload. All changes are lost. When some configuration files are modified, the model must be reloaded manually.
• Quit:
  Click on File/Quit.
• Open other windows:
  Click on the buttons.