def processAttractor(AttractorNum):
MAP = {
'__date' : datetime.today().strftime("%Y, %b %d"),
'__order': 2,
'__code' : "",
'__iterations' : 0,
'__dimension' : 2,
'__lyapunov' : 0.0,
'__link' : "",
'__x_polynom' : "",
'__y_polynom' : "",
'__z_polynom' : "",
'__time' : "",
'__type' : "polynomial",
}
maxFileNameLength = os.statvfs('/').f_namemax
dt = REFERENCE_DATE + timedelta(days=attractorNum-1)
MAP['__date'] = dt.strftime("%Y, %b %d")
t = AttractorNum % 7
if t == 0:
MAP['__type'] = "dejong"
else:
MAP['__type'] = "polynomial"
MAP['__order'] = t + 1
subsampling = 3
colorscheme = random.choice(('light', 'dark'))
dimension = 2 if MAP['__type'] == "dejong" or MAP['__order'] > 4 else random.choice((2,3))
logging.info("Today is %s. %s attractor generation starts." % (MAP['__date'], numeral(attractorNum)))
logging.info("We have a %s attractor (order %d, dimension %d)." % (MAP['__type'], MAP['__order'], dimension))
logging.info("Color scheme used: " + colorscheme)
while True:
done = False
at = createAttractor(MAP['__type'], MAP['__order'], dimension)
for parameters in ( {'geometry': (1000, 1000), 'directory': '/tmp'}, ):
t0 = time()
iterations = util.getIdealIterationNumber(MAP['__type'], parameters['geometry'], subsampling)
logging.debug("Num iterations: %d", iterations)
at.iterations = iterations
r = render.Renderer(bpc=8,
geometry=parameters['geometry'],
subsample=subsampling,
colormode=colorscheme,
dimension=dimension)
a = at.createFrequencyMap(r.geometry, args.nthreads)
if not r.isNice(a):
logging.debug("Attractor too thin. Trying to find a better one.")
break
a = r.renderAttractor(a)
if a == None: break
suffix = '_8.png'
if len(at.code) < maxFileNameLength - len(suffix):
filePath = at.code + suffix
else:
filePath = at.code[:maxFileNameLength-len(suffix)-1] + '#' + suffix
# TODO: we should check that full path is not too long
fname = os.path.join(parameters['directory'], filePath)
r.writeAttractorPNG(a, fname)
done = True
t1 = time()
if done: break
MAP['__code'] = at.code
if MAP['__type'] == 'polynomial':
MAP['__order'] = str(at.order)
else:
MAP['__order'] = 'irrelevant'
if dimension == 3:
MAP['__x_polynom'], MAP['__y_polynom'], MAP['__z_polynom'] = at.humanReadable(isHTML=True)
else:
MAP['__x_polynom'], MAP['__y_polynom'] = at.humanReadable(isHTML=True)
MAP['__iterations'] = str(at.iterations)
MAP['__dimension'] = "%.3f" % (at.fdim)
MAP['__lyapunov'] = "%.3f" % (at.lyapunov['ly'])
MAP['__link'] = filePath
MAP['__prev'] = "#" if attractorNum == 1 else "%d.xhtml" % (attractorNum-1)
MAP['__time'] = sec2hms(t1-t0)
return MAP
type=str,
choices=("polynomial", "dejong"),
)
args = parser.parse_args()
if args.code and args.code[0] == "j":
args.type = "dejong"
return args
# ----------------------------- Main loop ----------------------------- #
args = parseArgs()
logging.basicConfig(stream=sys.stderr, level=LOGLEVELS[args.loglevel])
random.seed()
g = [int(x) for x in args.geometry.split("x")]
# TODO - check validity of g
idealIter = util.getIdealIterationNumber(args.type, g, args.subsample)
if args.iter == None:
args.iter = idealIter
logging.debug("Setting iteration number to %d." % (args.iter))
elif args.iter < idealIter:
logging.warning("For better rendering, you should use at least %d iterations." % idealIter)
if args.code or args.sequence:
args.number = 1
for i in xrange(0, args.number):
generateAttractor(g, args.threads)
def processAttractor(AttractorNum):
MAP = {
"__date": datetime.today().strftime("%Y, %b %d"),
"__order": 2,
"__code": "",
"__iterations": 0,
"__dimension": 2,
"__lyapunov": 0.0,
"__link": "",
"__x_polynom": "",
"__y_polynom": "",
"__time": "",
"__type": "polynomial",
}
dt = REFERENCE_DATE + timedelta(days=attractorNum - 1)
MAP["__date"] = dt.strftime("%Y, %b %d")
t = AttractorNum % 7
if t == 0:
MAP["__type"] = "dejong"
else:
MAP["__type"] = "polynomial"
MAP["__order"] = t + 1
subsampling = 3
logging.info("Today is %s. %s attractor generation starts." % (MAP["__date"], numeral(attractorNum)))
logging.info("We have a %s attractor (order %d)." % (MAP["__type"], MAP["__order"]))
while True:
done = False
at = createAttractor(MAP["__type"], MAP["__order"])
filePath = at.code + "_8.png"
for parameters in (
{"geometry": (800, 600), "directory": "png_thumb", "type": "thumbnail"},
{"geometry": (1920, 1080), "directory": "png", "type": "main"},
):
t0 = time()
iterations = util.getIdealIterationNumber(MAP["__type"], parameters["geometry"], subsampling)
logging.debug("Num iterations: %d", iterations)
at.iterations = iterations
r = render.Renderer(bpc=8, mode="greyscale", geometry=parameters["geometry"], subsample=subsampling)
a = at.createFrequencyMap(r.geometry, args.nthreads)
if not r.isNice(a) and parameters["type"] == "thumbnail":
break
a = r.renderAttractor(a)
if a == None:
break
r.writeAttractorPNG(a, os.path.join(parameters["directory"], filePath))
if parameters["type"] == "main":
done = True
t1 = time()
if done:
break
MAP["__code"] = at.code
if MAP["__type"] == "polynomial":
MAP["__order"] = str(at.order)
else:
MAP["__order"] = "irrelevant"
MAP["__x_polynom"], MAP["__y_polynom"] = at.humanReadable(isHTML=True)
MAP["__iterations"] = str(at.iterations)
MAP["__dimension"] = "%.3f" % (at.fdim)
MAP["__lyapunov"] = "%.3f" % (at.lyapunov["ly"])
MAP["__link"] = filePath
MAP["__prev"] = "#" if attractorNum == 1 else "%d.xhtml" % (attractorNum - 1)
MAP["__time"] = sec2hms(t1 - t0)
return MAP
