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python: render the M&P hierarchy in SVG

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* python/spot/__init__.py (show_mp_hierarchy, mp_hierarchy_svg): New
functions.
* tests/python/formulas.ipynb: Illustrate show_mp_hierarchy.
* python/ajax/spotcgi.in: Use mp_hierarchy_svg.
* python/ajax/css/trans.css: Adjust for possible overflows.
* NEWS: Mention this new feature.
This commit is contained in:
Alexandre Duret-Lutz 2017-01-18 20:58:20 +01:00
parent 0e2ab5de53
commit ff4c4a7231
5 changed files with 156 additions and 18 deletions
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68
python/spot/__init__.py
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@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
# Copyright (C) 2014, 2015, 2016 Laboratoire de
# Copyright (C) 2014, 2015, 2016, 2017 Laboratoire de
# Recherche et Développement de l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
@ -886,10 +886,76 @@ def sat_minimize(aut, acc=None, colored=False,
from spot.impl import sat_minimize as sm
return sm(aut, args, state_based)
def parse_word(word, dic=_bdd_dict):
from spot.impl import parse_word as pw
return pw(word, dic)
def language_containment_checker(dic=_bdd_dict):
from spot.impl import language_containment_checker as c
return c(dic)
def mp_hierarchy_svg(cl=None):
"""
Return an some string containing an SVG picture of the Manna &
Pnueli hierarchy, highlighting class `cl` if given.
If not None, `cl` should be one of 'TPROGSB'. For convenience,
if `cl` is an instance of `spot.formula`, it is replaced by
`mp_class(cl)`.
"""
if type(cl)==formula:
cl = mp_class(cl)
ch = None
coords = {
'T': '110,35',
'R': '40,80',
'P': '175,80',
'O': '110,140',
'S': '40,160',
'G': '175,160',
'B': '110,198',
}
if cl in coords:
highlight='''<g transform="translate({})">
<line x1="-10" y1="-10" x2="10" y2="10" stroke="red" stroke-width="5" />
<line x1="-10" y1="10" x2="10" y2="-10" stroke="red" stroke-width="5" />
</g>'''.format(coords[cl])
else:
highlight=''
return '''
<svg height="210" width="220" xmlns="http://www.w3.org/2000/svg" version="1.1">
<polygon points="20,0 200,120 200,210 20,210" fill="cyan" opacity=".2" />
<polygon points="20,120 155,210 20,210" fill="cyan" opacity=".2" />
<polygon points="200,0 20,120 20,210 200,210" fill="magenta" opacity=".15" />
<polygon points="200,120 65,210 200,210" fill="magenta" opacity=".15" />
''' + highlight + '''
<g text-anchor="middle" font-size="14">
<text x="110" y="20">Reactivity</text>
<text x="60" y="65">Recurrence</text>
<text x="160" y="65">Persistence</text>
<text x="110" y="125">Obligation</text>
<text x="60" y="185">Safety</text>
<text x="160" y="185">Guarantee</text>
</g>
<g font-size="14">
<text text-anchor="begin" transform="rotate(-90,18,210)" x="18" y="210" fill="gray">Monitor</text>
<text text-anchor="end" transform="rotate(-90,18,0)" x="18" y="0" fill="gray">Deterministic Büchi</text>
<text text-anchor="begin" transform="rotate(-90,214,210)" x="214" y="210" fill="gray">Terminal Büchi</text>
<text text-anchor="end" transform="rotate(-90,214,0)" x="214" y="0" fill="gray">Weak Büchi</text>
</g>
</svg>'''
def show_mp_hierarchy(cl):
"""
Return a picture of the Manna & Pnueli hierarchy as an SVG object
in the IPython/Jupyter.
"""
from IPython.display import SVG
return SVG(mp_hierarchy_svg(cl))
formula.show_mp_hierarchy = show_mp_hierarchy