ASCII Art¶
This file contains:
AsciiArtan simple implementation of an ASCII art object,ascii_art()a function to get the ASCII art representation of any object in Sage,
AUTHOR:
- Jean-Baptiste Priez (2013-04): initial version
EXAMPLES:
sage: n = var('n')
sage: integrate(n^2/x,x)
n^2*log(x)
sage: ascii_art(integrate(n^2/x,x))
2
n *log(x)
sage: ascii_art(integrate(n^2/(pi*x),x))
2
n *log(x)
---------
pi
sage: ascii_art(list(Partitions(6)))
[ * ]
[ ** * ]
[ *** ** * * ]
[ **** *** * ** ** * * ]
[ ***** **** * *** ** * ** * * * ]
[ ******, * , ** , * , ***, * , * , **, * , * , * ]
This method ascii_art() could be automatically use by the display hook
manager activated by the magic function: %display ascii_art:
sage: from sage.repl.interpreter import get_test_shell
sage: shell = get_test_shell()
sage: shell.run_cell('%display ascii_art')
sage: shell.run_cell("i = var('i')")
sage: shell.run_cell('sum(factorial(i)*x^i, i, 0, 10)')
10 9 8 7 6 5 4 3
3628800*x + 362880*x + 40320*x + 5040*x + 720*x + 120*x + 24*x + 6*x
2
+ 2*x + x + 1
sage: shell.run_cell('3/(7*x)')
3
---
7*x
sage: shell.run_cell('list(Compositions(5))')
[ *
[ * ** * * *
[ * * ** *** * ** * * ** * *
[ * * * * ** ** *** **** * * ** *** * ** *
[ *, * , * , * , * , * , * , * , **, ** , ** , ** , ***, *** , ****,
]
]
]
]
***** ]
sage: shell.run_cell('%display simple')
sage: shell.quit()
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-
class
sage.typeset.ascii_art.AsciiArt(lines=[], breakpoints=[], baseline=None)¶ Bases:
sage.typeset.character_art.CharacterArtAn Ascii art object is an object with some specific representation for printing.
INPUT:
lines– the list of lines of the representation of the ascii art objectbreakpoints– the list of points where the representation can be splitbaseline– the reference line (from the bottom)
EXAMPLES:
sage: i = var('i') sage: ascii_art(sum(pi^i/factorial(i)*x^i, i, 0, oo)) pi*x e
-
sage.typeset.ascii_art.ascii_art(*obj, **kwds)¶ Return an ASCII art representation
INPUT:
*obj– any number of positional arguments, of arbitrary type. The objects whose ascii art representation we want.sep– optional'sep=...'keyword argument (or'separator'). Anything that can be converted to ascii art (default: empty ascii art). The separator in-between a list of objects. Only used if more than one object given.baseline– (default: 0) the baseline for the objectsep_baseline– (default: 0) the baseline for the separator
OUTPUT:
AsciiArtinstance.EXAMPLES:
sage: ascii_art(integral(exp(x+x^2)/(x+1), x)) / | | 2 | x + x | e | ------- dx | x + 1 | /
We can specify a separator object:
sage: ident = lambda n: identity_matrix(ZZ, n) sage: ascii_art(ident(1), ident(2), ident(3), sep=' : ') [1 0 0] [1 0] [0 1 0] [1] : [0 1] : [0 0 1]
We can specify the baseline:
sage: ascii_art(ident(2), baseline=-1) + ascii_art(ident(3)) [1 0][1 0 0] [0 1][0 1 0] [0 0 1]
We can determine the baseline of the separator:
sage: ascii_art(ident(1), ident(2), ident(3), sep=' -- ', sep_baseline=-1) [1 0 0] -- [1 0] -- [0 1 0] [1] [0 1] [0 0 1]
If specified, the
sep_baselineoverrides the baseline of an ascii art separator:sage: sep_line = ascii_art('\n'.join(' | ' for _ in range(6)), baseline=6) sage: ascii_art(*Partitions(6), separator=sep_line, sep_baseline=0) | | | | | | | | | | * | | | | | | | | | ** | * | | | | | | *** | | ** | * | * | | | **** | | *** | * | ** | ** | * | * | ***** | **** | * | *** | ** | * | ** | * | * | * ****** | * | ** | * | *** | * | * | ** | * | * | *