def __init__(self, range, title=None, gradient=None, step=1,
max_divisions=16, tz_offset=datetime.timedelta(0, 0)):
def steps(step=None):
steps = [1, 5, 15, 30, 60,
5 * 60, 15 * 60, 30 * 60,
3600, 3 * 3600, 6 * 3600, 12 * 3600]
return itertools.imap(lambda s: datetime.timedelta(0, s),
itertools.dropwhile(lambda s: s < step,
steps))
lower, upper = range
if step:
for step in steps(step):
lower = util.datetime_floor(range[0], step)
upper = util.datetime_floor(range[1], step)
if upper < range[1]:
upper += step
if (upper - lower).seconds / step.seconds < max_divisions:
range = (int(time.mktime(lower.timetuple())),
int(time.mktime(upper.timetuple())))
self.grid_step = '%.1f' % (100.0 * step.seconds
/ (upper - lower).seconds)
self.step = step
break
Scale.__init__(self, range, title=title, gradient=gradient, step=None)
self.labels, self.positions = [], []
t = datetime.datetime(lower.year, lower.month, lower.day, lower.hour) \
+ self.step
while t < upper:
self.labels.append((t + tz_offset).strftime('%H:%M'))
self.positions.append('%1.f' % (100.0 * (t - lower).seconds
/ (upper - lower).seconds))
t += self.step
def make_time_marks_folder(self, globals, step=datetime.timedelta(0, 300)):
style_url = globals.stock.check_hide_children_style.url()
folder = kml.Folder(name='Time marks',
styleUrl=style_url,
visibility=0)
coord = self.track.coords[0]
style_url = globals.stock.time_mark_styles[0].url()
folder.add(self.make_time_mark(globals, coord, coord.dt, style_url))
dt = util.datetime_floor(self.track.coords[0].dt, step)
while dt <= self.track.coords[0].dt:
dt += step
while dt < self.track.coords[-1].dt:
coord = self.track.coord_at(dt)
if dt.minute == 0:
style_index = 0
elif dt.minute == 30:
style_index = 1
elif dt.minute == 15 or dt.minute == 45:
style_index = 2
else:
style_index = 3
style_url = globals.stock.time_mark_styles[style_index].url()
folder.add(self.make_time_mark(globals, coord, dt, style_url))
dt += step
coord = self.track.coords[-1]
style_url = globals.stock.time_mark_styles[0].url()
folder.add(self.make_time_mark(globals, coord, coord.dt, style_url))
return folder
def make_time_marks_folder(self, globals, step=datetime.timedelta(0, 300)):
style_url = globals.stock.check_hide_children_style.url()
folder = kml.Folder(name='Time marks', styleUrl=style_url, visibility=0)
coord = self.track.coords[0]
style_url = globals.stock.time_mark_styles[0].url()
folder.add(self.make_time_mark(globals, coord, coord.dt, style_url))
dt = util.datetime_floor(self.track.coords[0].dt, step)
while dt <= self.track.coords[0].dt:
dt += step
while dt < self.track.coords[-1].dt:
coord = self.track.coord_at(dt)
if dt.minute == 0:
style_index = 0
elif dt.minute == 30:
style_index = 1
elif dt.minute == 15 or dt.minute == 45:
style_index = 2
else:
style_index = 3
style_url = globals.stock.time_mark_styles[style_index].url()
folder.add(self.make_time_mark(globals, coord, dt, style_url))
dt += step
coord = self.track.coords[-1]
style_url = globals.stock.time_mark_styles[0].url()
folder.add(self.make_time_mark(globals, coord, coord.dt, style_url))
return folder
def __init__(self,
range,
title=None,
gradient=None,
step=1,
max_divisions=16,
tz_offset=datetime.timedelta(0, 0)):
def steps(step=None):
steps = [
1, 5, 15, 30, 60, 5 * 60, 15 * 60, 30 * 60, 3600, 3 * 3600,
6 * 3600, 12 * 3600
]
return itertools.imap(
lambda s: datetime.timedelta(0, s),
itertools.dropwhile(lambda s: s < step, steps))
lower, upper = range
if step:
for step in steps(step):
lower = util.datetime_floor(range[0], step)
upper = util.datetime_floor(range[1], step)
if upper < range[1]:
upper += step
if (upper - lower).seconds / step.seconds < max_divisions:
range = (int(time.mktime(lower.timetuple())),
int(time.mktime(upper.timetuple())))
self.grid_step = '%.1f' % (100.0 * step.seconds /
(upper - lower).seconds)
self.step = step
break
Scale.__init__(self, range, title=title, gradient=gradient, step=None)
self.labels, self.positions = [], []
t = datetime.datetime(lower.year, lower.month, lower.day, lower.hour) \
+ self.step
while t < upper:
self.labels.append((t + tz_offset).strftime('%H:%M'))
self.positions.append('%1.f' % (100.0 * (t - lower).seconds /
(upper - lower).seconds))
t += self.step