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Change axis defaults

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This commit is contained in:
Grant Sanderson 2020-07-22 18:16:34 -07:00
parent f31cf2e30f
commit dbe33f9382
1 changed files with 17 additions and 33 deletions
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50
from_3b1b/old/covid.py
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@ -231,29 +231,10 @@ class IntroducePlot(Scene):
def get_axes(self, width=12, height=6): def get_axes(self, width=12, height=6):
n_cases = len(CASE_DATA) n_cases = len(CASE_DATA)
axes = Axes( axes = Axes(
x_min=0, x_range=(0, n_cases),
x_max=n_cases, y_range=(0, 25000, 1000),
x_axis_config={ width=width,
"tick_frequency": 1, height=height,
"include_tip": False,
},
y_min=0,
y_max=25000,
y_axis_config={
"unit_size": 1 / 2500,
"tick_frequency": 1000,
"include_tip": False,
}
)
axes.x_axis.set_width(
width,
stretch=True,
about_point=axes.c2p(0, 0),
)
axes.y_axis.set_height(
height,
stretch=True,
about_point=axes.c2p(0, 0),
) )
axes.center() axes.center()
axes.to_edge(DOWN, buff=LARGE_BUFF) axes.to_edge(DOWN, buff=LARGE_BUFF)
@ -289,18 +270,21 @@ class IntroducePlot(Scene):
axes.add(labels, extra_ticks) axes.add(labels, extra_ticks)
# Adjust y ticks # Adjust y ticks
axes.y_axis.tick_marks.stretch(0.5, 0) axes.y_axis.ticks.stretch(0.5, 0)
axes.y_axis.tick_marks[0::5].stretch(2, 0) axes.y_axis.ticks[0::5].stretch(2, 0)
# Add y_axis_labels # Add y_axis_labels
def get_y_labels(axes, y_values): def get_y_labels(axes, y_values):
labels = VGroup() labels = VGroup()
for y in y_values: for y in y_values:
label = TextMobject(f"{y}k") try:
label.set_height(0.25) label = TextMobject(f"{y}k")
tick = axes.y_axis.tick_marks[y] label.set_height(0.25)
always(label.next_to, tick, LEFT, SMALL_BUFF) tick = axes.y_axis.ticks[y]
labels.add(label) always(label.next_to, tick, LEFT, SMALL_BUFF)
labels.add(label)
except IndexError:
pass
return labels return labels
main_labels = get_y_labels(axes, range(5, 30, 5)) main_labels = get_y_labels(axes, range(5, 30, 5))
@ -311,7 +295,7 @@ class IntroducePlot(Scene):
tiny_labels = VGroup() tiny_labels = VGroup()
tiny_ticks = VGroup() tiny_ticks = VGroup()
for y in range(200, 1000, 200): for y in range(200, 1000, 200):
tick = axes.y_axis.tick_marks[0].copy() tick = axes.y_axis.ticks[0].copy()
point = axes.c2p(0, y) point = axes.c2p(0, y)
tick.move_to(point) tick.move_to(point)
label = Integer(y) label = Integer(y)
@ -378,8 +362,8 @@ class Thumbnail(IntroducePlot):
# self.add(title) # self.add(title)
# self.add(subtitle) # self.add(subtitle)
title = TextMobject("How is ", "COVID-19\\\\", "currently growing?") title = TextMobject("The early warning\\\\of ", "COVID-19\\\\")
title[1].set_color(RED) title.set_color_by_tex("COVID", RED)
title.set_height(2.5) title.set_height(2.5)
title.to_edge(UP, buff=LARGE_BUFF) title.to_edge(UP, buff=LARGE_BUFF)
self.add(title) self.add(title)