def barometer(offset, reading):
p = (max(950, min(1050, reading.pressure)) - 950) / 100 * 64
screen = array([
Color('green') if i < int(p) else
Color('green') * Green(p - int(p)) if i < p else
Color('black')
for i in range(64)
])
screen = np.flipud(screen)
text = image_to_rgb(draw_text(int(round(reading.pressure)),
'small.pil', foreground=Color('gray'),
padding=(0, 0, 8, 3)))
screen[:text.shape[0], :] += text[:, offset:offset + 8]
return screen.clip(0, 1)
def thermometer(offset, reading):
t = max(0, min(50, reading.temperature)) / 50 * 64
screen = array([
Color('red') if i < int(t) else
Color('red') * Red(t - int(t)) if i < t else
Color('black')
for i in range(64)
])
screen = np.flipud(screen)
text = image_to_rgb(draw_text(int(round(reading.temperature)),
'small.pil', foreground=Color('gray'),
padding=(0, 0, 0, 3)))
screen[:text.shape[0], :text.shape[1]] += text
return screen.clip(0, 1)
def hygrometer(offset, reading):
h = reading.humidity / 100 * 64
screen = array([
Color('#008') if i < int(h) else
Color('#008') * Blue(h - int(h)) if i < h else
Color('black')
for i in range(64)
])
screen = np.flipud(screen)
text = image_to_rgb(draw_text('^^' if reading.humidity > 99 else
int(round(reading.humidity)),
'small.pil', foreground=Color('gray'),
padding=(0, 0, 0, 3)))
screen[:text.shape[0], :text.shape[1]] += text
return screen.clip(0, 1)