Call pdf( ) to open PDF output files generated by Abjad.
abjad> t = Note(0, (1, 4))
abjad> show(t)
The input above renders a PDF output file and opens it.
If you close the PDF output file and want to open it again, call pdf( ).
abjad> pdf( )
Use pdf( ) to open the last PDF output file after it has been closed.
Note
By default, Abjad writes LilyPond input files to the ~/.abjad/output directory. You may change this by setting the abjad_output variable in the config.py file.