def _draw_rings(self, dr: svgwrite.Drawing, g: svgwrite.container.Group,
center: XY, radius_range: ValueRange) -> None:
length_range = self.poster.length_range_by_date
if not length_range.is_valid():
return
min_length = length_range.lower()
max_length = length_range.upper()
assert min_length is not None
assert max_length is not None
ring_distance = self._determine_ring_distance(max_length)
if ring_distance is None:
return
distance = ring_distance
while distance < max_length:
radius = radius_range.interpolate(
(distance / max_length).magnitude)
g.add(
dr.circle(
center=center.tuple(),
r=radius,
stroke=self._ring_color,
stroke_opacity="0.2",
fill="none",
stroke_width=0.3,
))
distance += ring_distance
def draw(self, dr: svgwrite.Drawing, g: svgwrite.container.Group, size: XY,
offset: XY) -> None:
"""Draw the heatmap based on tracks."""
bbox = self._determine_bbox()
year_groups: typing.Dict[int, svgwrite.container.Group] = {}
for tr in self.poster.tracks:
year = tr.start_time().year
if year not in year_groups:
g_year = dr.g(id=f"year{year}")
g.add(g_year)
year_groups[year] = g_year
else:
g_year = year_groups[year]
color = self.color(self.poster.length_range, tr.length(),
tr.special)
for line in utils.project(bbox, size, offset, tr.polylines):
for opacity, width in [(0.1, 5.0), (0.2, 2.0), (1.0, 0.3)]:
g_year.add(
dr.polyline(
points=line,
stroke=color,
stroke_opacity=opacity,
fill="none",
stroke_width=width,
stroke_linejoin="round",
stroke_linecap="round",
))
def draw(self, dr: svgwrite.Drawing, g: svgwrite.container.Group, size: XY,
offset: XY) -> None:
"""For each track, draw it on the poster."""
if self.poster.tracks is None:
raise PosterError("No tracks to draw.")
cell_size, counts = utils.compute_grid(len(self.poster.tracks), size)
if cell_size is None or counts is None:
raise PosterError("Unable to compute grid.")
count_x, count_y = counts[0], counts[1]
spacing_x = 0 if count_x <= 1 else (size.x - cell_size * count_x) / (
count_x - 1)
spacing_y = 0 if count_y <= 1 else (size.y - cell_size * count_y) / (
count_y - 1)
offset.x += (size.x - count_x * cell_size -
(count_x - 1) * spacing_x) / 2
offset.y += (size.y - count_y * cell_size -
(count_y - 1) * spacing_y) / 2
year_groups: typing.Dict[int, svgwrite.container.Group] = {}
for (index, tr) in enumerate(self.poster.tracks):
year = tr.start_time().year
if year not in year_groups:
g_year = dr.g(id=f"year{year}")
g.add(g_year)
year_groups[year] = g_year
else:
g_year = year_groups[year]
p = XY(index % count_x, index // count_x) * XY(
cell_size + spacing_x, cell_size + spacing_y)
self._draw_track(
dr,
g_year,
tr,
0.9 * XY(cell_size, cell_size),
offset + 0.05 * XY(cell_size, cell_size) + p,
)
def _draw_circle_segment(
self,
dr: svgwrite.Drawing,
g: svgwrite.container.Group,
tracks: typing.List[Track],
a1: float,
a2: float,
rr: ValueRange,
center: XY,
values: str = "",
key_times: str = "",
) -> None:
length = sum([t.length() for t in tracks])
has_special = len([t for t in tracks if t.special]) > 0
color = self.color(self.poster.length_range_by_date, length,
has_special)
max_length = self.poster.length_range_by_date.upper()
if self._max_distance:
max_length = self._max_distance.to_base_units()
assert max_length is not None
r1 = rr.lower()
assert r1 is not None
r2 = rr.interpolate((length / max_length).magnitude)
sin_a1, cos_a1 = math.sin(a1), math.cos(a1)
sin_a2, cos_a2 = math.sin(a2), math.cos(a2)
path = dr.path(
d=("M", center.x + r1 * sin_a1, center.y - r1 * cos_a1),
fill=color,
stroke="none",
)
path.push("l", (r2 - r1) * sin_a1, (r1 - r2) * cos_a1)
path.push(
f"a{r2},{r2} 0 0,0 {r2 * (sin_a2 - sin_a1)},{r2 * (cos_a1 - cos_a2)}"
)
path.push("l", (r1 - r2) * sin_a2, (r2 - r1) * cos_a2)
date_title = str(tracks[0].start_time().date())
str_length = utils.format_float(self.poster.m2u(length))
path.set_desc(title=f"{date_title} {str_length} {self.poster.u()}")
if self.poster.with_animation:
path.add(
svgwrite.animate.Animate(
"opacity",
dur=f"{self.poster.animation_time}s",
values=values,
keyTimes=key_times,
repeatCount="indefinite",
))
g.add(path)
def _draw_track(self, dr: svgwrite.Drawing, g: svgwrite.container.Group, tr: Track, size: XY, offset: XY) -> None:
color = self.color(self.poster.length_range, tr.length(), tr.special)
str_length = utils.format_float(self.poster.m2u(tr.length()))
date_title = str(tr.start_time.date()) if tr.start_time else "Unknown Date"
for line in utils.project(tr.bbox(), size, offset, tr.polylines):
polyline = dr.polyline(
points=line,
stroke=color,
fill="none",
stroke_width=0.5,
stroke_linejoin="round",
stroke_linecap="round",
)
polyline.set_desc(title=f"{date_title} {str_length} {self.poster.u()}")
g.add(polyline)
def _draw_circle_segment(
self,
dr: svgwrite.Drawing,
g: svgwrite.container.Group,
tracks: typing.List[Track],
a1: float,
a2: float,
rr: ValueRange,
center: XY,
) -> None:
length = sum([t.length() for t in tracks])
has_special = len([t for t in tracks if t.special]) > 0
color = self.color(self.poster.length_range_by_date, length,
has_special)
max_length = self.poster.length_range_by_date.upper()
assert max_length is not None
r1 = rr.lower()
assert r1 is not None
r2 = rr.interpolate((length / max_length).magnitude)
sin_a1, cos_a1 = math.sin(a1), math.cos(a1)
sin_a2, cos_a2 = math.sin(a2), math.cos(a2)
path = dr.path(
d=("M", center.x + r1 * sin_a1, center.y - r1 * cos_a1),
fill=color,
stroke="none",
)
path.push("l", (r2 - r1) * sin_a1, (r1 - r2) * cos_a1)
path.push(
f"a{r2},{r2} 0 0,0 {r2 * (sin_a2 - sin_a1)},{r2 * (cos_a1 - cos_a2)}"
)
path.push("l", (r1 - r2) * sin_a2, (r2 - r1) * cos_a2)
date_title = str(tracks[0].start_time.date()
) if tracks[0].start_time else "Unknown date"
str_length = utils.format_float(self.poster.m2u(length))
path.set_desc(title=f"{date_title} {str_length} {self.poster.u()}")
g.add(path)
def _draw_year(self, dr: svgwrite.Drawing, g: svgwrite.container.Group,
size: XY, offset: XY, year: int) -> None:
min_size = min(size.x, size.y)
outer_radius = 0.5 * min_size - 6
radius_range = ValueRange.from_pair(outer_radius / 4, outer_radius)
center = offset + 0.5 * size
if self._rings:
self._draw_rings(dr, g, center, radius_range)
year_style = f"dominant-baseline: central; font-size:{min_size * 4.0 / 80.0}px; font-family:Arial;"
month_style = f"font-size:{min_size * 3.0 / 80.0}px; font-family:Arial;"
g.add(
dr.text(
f"{year}",
insert=center.tuple(),
fill=self.poster.colors["text"],
text_anchor="middle",
alignment_baseline="middle",
style=year_style,
))
df = 360.0 / (366 if calendar.isleap(year) else 365)
day = 0
date = datetime.date(year, 1, 1)
while date.year == year:
text_date = date.strftime("%Y-%m-%d")
a1 = math.radians(day * df)
a2 = math.radians((day + 1) * df)
if date.day == 1:
(_, last_day) = calendar.monthrange(date.year, date.month)
a3 = math.radians((day + last_day - 1) * df)
sin_a1, cos_a1 = math.sin(a1), math.cos(a1)
sin_a3, cos_a3 = math.sin(a3), math.cos(a3)
r1 = outer_radius + 1
r2 = outer_radius + 6
r3 = outer_radius + 2
g.add(
dr.line(
start=(center + r1 * XY(sin_a1, -cos_a1)).tuple(),
end=(center + r2 * XY(sin_a1, -cos_a1)).tuple(),
stroke=self.poster.colors["text"],
stroke_width=0.3,
))
path = dr.path(
d=("M", center.x + r3 * sin_a1, center.y - r3 * cos_a1),
fill="none",
stroke="none",
)
path.push(
f"a{r3},{r3} 0 0,1 {r3 * (sin_a3 - sin_a1)},{r3 * (cos_a1 - cos_a3)}"
)
g.add(path)
tpath = svgwrite.text.TextPath(
path,
self.poster.month_name(date.month),
startOffset=(0.5 * r3 * (a3 - a1)))
text = dr.text(
"",
fill=self.poster.colors["text"],
text_anchor="middle",
style=month_style,
)
text.add(tpath)
g.add(text)
if text_date in self.poster.tracks_by_date:
self._draw_circle_segment(
dr,
g,
self.poster.tracks_by_date[text_date],
a1,
a2,
radius_range,
center,
)
day += 1
date += datetime.timedelta(1)
def _draw(self, dr: svgwrite.Drawing, g: svgwrite.container.Group,
size: XY, offset: XY, year: int) -> None:
min_size = min(size.x, size.y)
year_size = min_size * 4.0 / 80.0
year_style = f"font-size:{year_size}px; font-family:Arial;"
month_style = f"font-size:{min_size * 3.0 / 80.0}px; font-family:Arial;"
day_style = f"dominant-baseline: central; font-size:{min_size * 1.0 / 80.0}px; font-family:Arial;"
day_length_style = f"font-size:{min_size * 1.0 / 80.0}px; font-family:Arial;"
g.add(
dr.text(
f"{year}",
insert=offset.tuple(),
fill=self.poster.colors["text"],
alignment_baseline="hanging",
style=year_style,
))
offset.y += year_size
size.y -= year_size
count_x = 31
for month in range(1, 13):
date = datetime.date(year, month, 1)
(_, last_day) = calendar.monthrange(year, month)
count_x = max(count_x, date.weekday() + last_day)
cell_size = min(size.x / count_x, size.y / 36)
spacing = XY(
(size.x - cell_size * count_x) / (count_x - 1),
(size.y - cell_size * 3 * 12) / 11,
)
for month in range(1, 13):
date = datetime.date(year, month, 1)
y = month - 1
y_pos = offset.y + (y * 3 + 1) * cell_size + y * spacing.y
g.add(
dr.text(
self.poster.month_name(month),
insert=(offset.x, y_pos - 2),
fill=self.poster.colors["text"],
alignment_baseline="hanging",
style=month_style,
))
day_offset = date.weekday()
while date.month == month:
x = date.day - 1
x_pos = offset.x + (day_offset + x) * cell_size + x * spacing.x
pos = (x_pos + 0.05 * cell_size, y_pos + 1.15 * cell_size)
dim = (cell_size * 0.9, cell_size * 0.9)
text_date = date.strftime("%Y-%m-%d")
if text_date in self.poster.tracks_by_date:
tracks = self.poster.tracks_by_date[text_date]
length = sum([t.length() for t in tracks])
has_special = len([t for t in tracks if t.special]) > 0
color = self.color(self.poster.length_range_by_date,
length, has_special)
g.add(dr.rect(pos, dim, fill=color))
g.add(
dr.text(
utils.format_float(self.poster.m2u(length)),
insert=(
pos[0] + cell_size / 2,
pos[1] + cell_size + cell_size / 2,
),
text_anchor="middle",
style=day_length_style,
fill=self.poster.colors["text"],
))
else:
g.add(dr.rect(pos, dim, fill="#444444"))
g.add(
dr.text(
localized_day_of_week_name(date.weekday(), short=True),
insert=(
offset.x + (day_offset + x) * cell_size +
cell_size / 2,
pos[1] + cell_size / 2,
),
text_anchor="middle",
alignment_baseline="middle",
style=day_style,
))
date += datetime.timedelta(1)
def draw(self, dr: svgwrite.Drawing, g: svgwrite.container.Group, size: XY,
offset: XY) -> None:
if self.poster.tracks is None:
raise PosterError("No tracks to draw")
year_size = 200 * 4.0 / 80.0
year_style = f"font-size:{year_size}px; font-family:Arial;"
year_length_style = f"font-size:{110 * 3.0 / 80.0}px; font-family:Arial;"
month_names_style = "font-size:2.5px; font-family:Arial"
total_length_year_dict = self.poster.total_length_year_dict
for year in self.poster.years.iter():
g_year = dr.g(id=f"year{year}")
g.add(g_year)
start_date_weekday, _ = calendar.monthrange(year, 1)
github_rect_first_day = datetime.date(year, 1, 1)
# Github profile the first day start from the last Monday of the last year or the first Monday of this year
# It depands on if the first day of this year is Monday or not.
github_rect_day = github_rect_first_day + datetime.timedelta(
-start_date_weekday)
year_length = total_length_year_dict.get(year, 0)
year_length_str = utils.format_float(self.poster.m2u(year_length))
month_names = [
locale.nl_langinfo(day)[:3] # Get only first three letters
for day in [
locale.MON_1,
locale.MON_2,
locale.MON_3,
locale.MON_4,
locale.MON_5,
locale.MON_6,
locale.MON_7,
locale.MON_8,
locale.MON_9,
locale.MON_10,
locale.MON_11,
locale.MON_12,
]
]
km_or_mi = self.poster.u()
g_year.add(
dr.text(
f"{year}",
insert=offset.tuple(),
fill=self.poster.colors["text"],
alignment_baseline="hanging",
style=year_style,
))
g_year.add(
dr.text(
f"{year_length_str} {km_or_mi}",
insert=(offset.tuple()[0] + 165, offset.tuple()[1] + 2),
fill=self.poster.colors["text"],
alignment_baseline="hanging",
style=year_length_style,
))
# add month name up to the poster one by one because of svg text auto trim the spaces.
for num, name in enumerate(month_names):
g_year.add(
dr.text(
f"{name}",
insert=(offset.tuple()[0] + 15.5 * num,
offset.tuple()[1] + 14),
fill=self.poster.colors["text"],
style=month_names_style,
))
rect_x = 10.0
dom = (2.6, 2.6)
# add every day of this year for 53 weeks and per week has 7 days
for _i in range(54):
rect_y = offset.y + year_size + 2
for _j in range(7):
if int(github_rect_day.year) > year:
break
rect_y += 3.5
color = "#444444"
date_title = str(github_rect_day)
if date_title in self.poster.tracks_by_date:
tracks = self.poster.tracks_by_date[date_title]
length = sum([t.length() for t in tracks])
distance1 = self.poster.special_distance[
"special_distance"]
distance2 = self.poster.special_distance[
"special_distance2"]
has_special = distance1 < length < distance2
color = self.color(self.poster.length_range_by_date,
length, has_special)
if length >= distance2:
special_color = self.poster.colors.get(
"special2") or self.poster.colors.get(
"special")
if special_color is not None:
color = special_color
str_length = utils.format_float(
self.poster.m2u(length))
date_title = f"{date_title} {str_length} {km_or_mi}"
rect = dr.rect((rect_x, rect_y), dom, fill=color)
rect.set_desc(title=date_title)
g_year.add(rect)
github_rect_day += datetime.timedelta(1)
rect_x += 3.5
offset.y += 3.5 * 9 + year_size + 1.5