import math
class Time_Bar_Chart:
""" Class to handle the creation of the day time period bar
"""
def __init__(self) -> None:
self.image_code = []
self.colors = [
"00193d",
"05597f",
"54babf",
"9ec3a1",
"ffb95e",
"fcae4e",
"f37f73",
"b45bbc",
"7e38ce",
"00285f"
]
self.bar_pos_x = []
def create_bar_chart_with_polylines(self, save_location: str, image_width: int, image_height: int, times: list):
""" Create a time bar chart WITH polylines
Args:
save_location (str): Absolute path to store
image_width (int): Width of the image in pixel
image_height (int): Height of the image in pixel
times (list): List of start times of the periods in minutes since midnight
"""
self.create_bar(image_width, image_height, times)
self.create_polylines(image_width, image_height)
self.create_time_markers(image_width, image_height)
# Write to file
self.image_code.insert(0, '')
file = open(save_location + "/time_bar_polylines.svg", "w")
for i in self.image_code:
file.write(i + '\n')
self.image_code.clear()
self.bar_pos_x.clear()
def create_bar_chart(self, save_location: str, image_width: int, image_height: int, times: list):
""" Create a time bar chart WITHOUT polylines
Args:
save_location (str): Absolute path to store
image_width (int): Width of the image in pixel
image_height (int): Height of the image in pixel
times (list): List of start times of the periods in minutes since midnight
"""
self.create_bar(image_width, image_height, times)
self.create_time_markers(image_width, image_height)
# Write to file
self.image_code.insert(0, '')
file = open(save_location + "/time_bar.svg", "w")
for i in self.image_code:
file.write(i + '\n')
self.image_code.clear()
self.bar_pos_x.clear()
def create_bar(self, image_width: int, image_height: int, times: list):
""" Generates the code for the horizontal multi-color bar chart
Args:
image_width (int): Total width of the image
image_height (int): Total height of the image
times (list): List of start times of the periods, in minutes
"""
x = 0
y = 40
width = 0
height = image_height - 80
if times[len(times) - 1] != 1440:
times.append(1440)
# Adding the bar parts
for i in range(1, len(times)):
width = math.ceil((((100 / 1440) * (times[i] - times[i - 1]) / 100) * image_width))
self.image_code.append(
'' % (self.colors[i - 1], x, y, width, height)
)
self.bar_pos_x.append(x)
x += width
def create_time_markers(self, image_width: int, image_height: int):
""" Generates the code for the vertical hour markers
Args:
image_width (int): Total width of the image
image_height (int): Total height of the image
"""
for i in range(0, 8):
# 3 hour vertical line
self.image_code.append(
'' %
(i * (image_width // 8), i * (image_width // 8), image_height - 40)
)
# The two hours between the 3 hour lines
for j in range(1, 3):
self.image_code.append(
'' %
(i * (image_width // 8) + image_width // 24 * j, i * (image_width // 8) + image_width // 24 * j, image_height - 40)
)
# Time labels
self.image_code.append(
'%s' %
(i * (image_width // 8) + 5, image_height - 45, i * 3)
)
def create_polylines(self, image_width: int, image_height: int):
""" Generates the code for the polylines which connect the images with the bar sections
Args:
image_width (int): Total width of the image
image_height (int): Total height of the image
"""
bar_x_start = 0
self.bar_pos_x.append(image_width)
for i in range(0, len(self.bar_pos_x) - 1):
# X-Middle of a bar
bar_mid = bar_x_start + (self.bar_pos_x[i + 1] - bar_x_start) / 2
# Position of the image in the window
image_x = (image_width - 32) / 10 + ((i // 2) % 5) * image_width / 5
# i == 0, 2, 4, ... => Upper Polylines
if (i % 2 == 0):
polyline_y = 0
else:
polyline_y = image_height
if i == 0 or i == 8:
polyline_x = 30
elif i == 2 or i == 6:
polyline_x = 20
elif i == 1 or i == 9:
polyline_x = image_height - 30
elif i == 3 or i == 7:
polyline_x = image_height - 20
elif i == 5:
polyline_x = image_height - 10
else:
polyline_x = 10
self.image_code.append(
'' %
(image_x, polyline_y, image_x, polyline_x, bar_mid, polyline_x, bar_mid, image_height / 2, self.colors[i])
)
# Store the end point of the bar as start point of the next
bar_x_start = self.bar_pos_x[i + 1]