def process(self, chart):
self.min_date = datetime.date.max
self.max_date = datetime.date.min
self.tasks_by_owners = {}
self.owners_by_pools = {}
self.left_offset = 0
for task in chart.tasks:
LOGGER.debug("Processing %s" % task)
# Min & Max dates
if task.from_date < self.min_date:
self.min_date = task.from_date
if task.till_date > self.max_date:
self.max_date = task.till_date
# Users & users' tasks
owner = task.owner
if owner not in self.tasks_by_owners:
self.tasks_by_owners[owner] = {}
if task.from_date not in self.tasks_by_owners[owner]:
self.tasks_by_owners[owner][task.from_date] = []
self.tasks_by_owners[owner][task.from_date].append(task)
# Pools
if task.pool not in self.owners_by_pools:
self.owners_by_pools[task.pool] = []
if owner not in self.owners_by_pools[task.pool]:
self.owners_by_pools[task.pool].append(owner)
o = self.font.getsize(owner)[0]
if o > self.left_offset:
self.left_offset = o
# Getting chart height
self.height = chart.get_height(self)
self._init_image(Image.new("RGBA", (self.width, self.height), "#FFFFFF"))
self.active_width = self.width - self.left_offset - 30
self.box(20 + self.left_offset, 18, self.active_width, self.height - 90, "#808080")
days = []
d = self.min_date
while d <= self.max_date:
if d.weekday() not in [5, 6]:
days.append(d)
d += datetime.timedelta(days=1)
self.coords = {}
self.day_length = self.active_width / float(len(days))
for i in range(0, len(days)):
self.coords[days[i]] = int(i * self.day_length)
visible = 1
while visible * self.day_length < 20:
visible += 1
for i in range(0, int(math.ceil(len(days) / float(visible)))):
self.milestone(days[i * visible], "#808080" if not i else "#F0F0F0", "#808080")
today = self.de_weekend(datetime.date.today())
self.milestone(today, "#FF0000", "#FF0000")
chart.draw(self)
output = StringIO.StringIO()
self.image.save(output, "PNG")
data = output.getvalue()
output.close()
return data
def init_chart():
dom.create('canvas', 'my-chart', '#ui')
dom.attr('#my-chart', 'width', 500)
dom.attr('#my-chart', 'height', 300)
return chart.draw('#my-chart', option)
def process(self, chart):
self.min_date = datetime.date.max
self.max_date = datetime.date.min
self.tasks_by_owners = {}
self.owners_by_pools = {}
self.left_offset = 0
for task in chart.tasks:
LOGGER.debug("Processing %s" % task)
# Min & Max dates
if task.from_date < self.min_date:
self.min_date = task.from_date
if task.till_date > self.max_date:
self.max_date = task.till_date
# Users & users' tasks
owner = task.owner
if owner not in self.tasks_by_owners:
self.tasks_by_owners[owner] = {}
if task.from_date not in self.tasks_by_owners[owner]:
self.tasks_by_owners[owner][task.from_date] = []
self.tasks_by_owners[owner][task.from_date].append(task)
# Pools
if task.pool not in self.owners_by_pools:
self.owners_by_pools[task.pool] = []
if owner not in self.owners_by_pools[task.pool]:
self.owners_by_pools[task.pool].append(owner)
o = self.font.getsize(owner)[0]
if o > self.left_offset:
self.left_offset = o
# Getting chart height
self.height = chart.get_height(self)
self._init_image(
Image.new("RGBA", (self.width, self.height), "#FFFFFF"))
self.active_width = self.width - self.left_offset - 30
self.box(20 + self.left_offset, 18, self.active_width,
self.height - 90, "#808080")
days = []
d = self.min_date
while d <= self.max_date:
if d.weekday() not in [5, 6]:
days.append(d)
d += datetime.timedelta(days=1)
self.coords = {}
self.day_length = self.active_width / float(len(days))
for i in range(0, len(days)):
self.coords[days[i]] = int(i * self.day_length)
visible = 1
while visible * self.day_length < 20:
visible += 1
for i in range(0, int(math.ceil(len(days) / float(visible)))):
self.milestone(days[i * visible],
"#808080" if not i else "#F0F0F0", "#808080")
today = self.de_weekend(datetime.date.today())
self.milestone(today, "#FF0000", "#FF0000")
chart.draw(self)
output = StringIO.StringIO()
self.image.save(output, "PNG")
data = output.getvalue()
output.close()
return data
if __name__ == "__main__":
# Benötigte Variablen definieren
# 1. f = Funktion
# 2. i = Interval [a, b]
# n = Anzahl der betrachteten Trapeze
# e = Epsilon
f = lambda x: math.e**(-(x - 2)**2 / 0.05) + math.e**(-(
x - 5)**2 / 0.1) + 0.1 * x - math.e**(-(x - 3.5)**2 / 0.1)
i = (1, 7)
n = 10
e = 0.001
# 3. Funktion darstellen, wird unter "graphics/function.svg" gespeichert
# Die Anzahl der verwendeten Datenpunkte wird auf 1000 gesetzt, damit eine
# ausreichend genaue Funktion entsteht
chart.draw(f, i[0], i[1], 1000)
chart.save("Graph", "graphics/graph.svg")
chart.reset()
# 5. Das Integral der Funktion f im Interval [a, b] mit n = 10 gleichgroßen
# Teilintervallen berechnen
trapez_int = integrate.trapezoidal(f, i[0], i[1], 10)
print("Integral Trapezregel (optimiert):", round(trapez_int, 5))
# Funktion darstellen, wird unter "graphics/trapezoidal.svg" gespeichert
chart.draw(f,
i[0],
i[1],
10,
dots=True,
graph_name="Trapezregel",
import chart
if __name__ == "__main__":
# this is executed when invoked as a script
print("hello John, welcome to the matrix")
chart.draw()