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_track(self, dr: svgwrite.Drawing, tr: Track, size: XY,
offset: XY) -> None:
color = self.color(self.poster.length_range, tr.length(), tr.special)
for line in utils.project(tr.bbox(), size, offset, tr.polylines):
dr.add(
dr.polyline(
points=line,
stroke=color,
fill="none",
stroke_width=0.5,
stroke_linejoin="round",
stroke_linecap="round",
))
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(self, dr: svgwrite.Drawing, size: XY, offset: XY):
"""Draw the heatmap based on tracks."""
bbox = self._determine_bbox()
for tr in self.poster.tracks:
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)]:
dr.add(
dr.polyline(
points=line,
stroke=color,
stroke_opacity=opacity,
fill="none",
stroke_width=width,
stroke_linejoin="round",
stroke_linecap="round",
))