def add_needle(plot, speed, offset = 0, max_value = 1):
angle = speed_to_angle(speed, offset, max_value)
rmax = Ray(x=0, y=0, length=data(0.75), angle=angle, line_color="black", line_width=3)
rmin = Ray(x=0, y=0, length=data(0.10), angle=angle - pi, line_color="black", line_width=3)
plot.add_glyph(rmax)
plot.add_glyph(rmin)
return rmax, rmin
def add_needle(speed: float, units: str) -> None:
angle = speed_to_angle(speed, units)
plot.add_glyph(
Ray(x=0,
y=0,
length=data(0.75),
angle=angle,
line_color="black",
line_width=3))
plot.add_glyph(
Ray(x=0,
y=0,
length=data(0.10),
angle=angle - pi,
line_color="black",
line_width=3))
def add_gauge(radius: float, max_value: float, length: float,
direction: Literal[-1, 1], color: Any, major_step: int,
minor_step: int) -> None:
major_angles, minor_angles = [], []
total_angle = start_angle - end_angle
major_angle_step = float(major_step) / max_value * total_angle
minor_angle_step = float(minor_step) / max_value * total_angle
major_angle = 0
while major_angle <= total_angle:
major_angles.append(start_angle - major_angle)
major_angle += major_angle_step
minor_angle = 0
while minor_angle <= total_angle:
minor_angles.append(start_angle - minor_angle)
minor_angle += minor_angle_step
major_labels = [major_step * i for i, _ in enumerate(major_angles)]
n = major_step / minor_step
minor_angles = [x for i, x in enumerate(minor_angles) if i % n != 0]
glyph = Arc(x=0,
y=0,
radius=radius,
start_angle=start_angle,
end_angle=end_angle,
direction="clock",
line_color=color,
line_width=2)
plot.add_glyph(glyph)
rotation = 0 if direction == 1 else -pi
angles = [angle + rotation for angle in major_angles]
source = ColumnDataSource(dict(major_angles=major_angles, angle=angles))
t = PolarTransform(radius=radius, angle="major_angles")
glyph = Ray(x=expr(t.x),
y=expr(t.y),
length=data(length),
angle="angle",
line_color=color,
line_width=2)
plot.add_glyph(source, glyph)
angles = [angle + rotation for angle in minor_angles]
source = ColumnDataSource(dict(minor_angles=minor_angles, angle=angles))
t = PolarTransform(radius=radius, angle="minor_angles")
glyph = Ray(x=expr(t.x),
y=expr(t.y),
length=data(length / 2),
angle="angle",
line_color=color,
line_width=1)
plot.add_glyph(source, glyph)
text_angles = [angle - pi / 2 for angle in major_angles]
source = ColumnDataSource(
dict(major_angles=major_angles, angle=text_angles, text=major_labels))
t = PolarTransform(radius=radius + 2 * length * direction,
angle="major_angles")
glyph = Text(x=expr(t.x),
y=expr(t.y),
angle="angle",
text="text",
text_align="center",
text_baseline="middle")
plot.add_glyph(source, glyph)
("quad",
Quad(left="x", right="xp01", top="y", bottom="ym01",
fill_color="#B3DE69")),
("quadratic",
Quadratic(x0="x",
y0="y",
x1="xp02",
y1="y",
cx="xp01",
cy="yp01",
line_color="#4DAF4A",
line_width=3)),
("ray",
Ray(x="x",
y="y",
length=45,
angle=-0.7,
line_color="#FB8072",
line_width=2)),
("rect",
Rect(x="x",
y="y",
width=screen(10),
height=screen(20),
angle=-0.7,
fill_color="#CAB2D6")),
("segment",
Segment(x0="x",
y0="y",
x1="xm01",
y1="ym01",
line_color="#F4A582",
def add_gauge(plot, radius, max_value, length, direction, color, major_step, minor_step, offset = 0):
'''
draw the gauge in plot area
:param plot:
:param radius:
:param max_value:
:param length:
:param direction:
:param color:
:param major_step:
:param minor_step:
:param offset:
:return:
'''
start_angle = pi + pi / 4
end_angle = -pi / 4
major_angles, minor_angles = [], []
total_angle = start_angle - end_angle
major_angle_step = float(major_step) / max_value * total_angle
minor_angle_step = float(minor_step) / max_value * total_angle
major_angle = 0
while major_angle <= total_angle:
major_angles.append(start_angle - major_angle)
major_angle += major_angle_step
minor_angle = 0
while minor_angle <= total_angle:
minor_angles.append(start_angle - minor_angle)
minor_angle += minor_angle_step
major_labels = [major_step * i + offset for i, _ in enumerate(major_angles)]
n = major_step / minor_step
minor_angles = [x for i, x in enumerate(minor_angles) if i % n != 0]
glyph = Arc(x=0, y=0, radius=radius, start_angle=start_angle, end_angle=end_angle, direction="clock",
line_color=color, line_width=2)
plot.add_glyph(glyph)
rotation = 0 if direction == 1 else -pi
x, y = zip(*[polar_to_cartesian(radius, angle) for angle in major_angles])
angles = [angle + rotation for angle in major_angles]
source = ColumnDataSource(dict(x=x, y=y, angle=angles))
glyph = Ray(x="x", y="y", length=data(length), angle="angle", line_color=color, line_width=2)
plot.add_glyph(source, glyph)
x, y = zip(*[polar_to_cartesian(radius, angle) for angle in minor_angles])
angles = [angle + rotation for angle in minor_angles]
source = ColumnDataSource(dict(x=x, y=y, angle=angles))
glyph = Ray(x="x", y="y", length=data(length / 2), angle="angle", line_color=color, line_width=1)
plot.add_glyph(source, glyph)
x, y = zip(*[polar_to_cartesian(radius + 2 * length * direction, angle) for angle in major_angles])
text_angles = [angle - pi / 2 for angle in major_angles]
source = ColumnDataSource(dict(x=x, y=y, angle=text_angles, text=major_labels))
glyph = Text(x="x", y="y", angle="angle", text="text", text_align="center", text_baseline="middle")
plot.add_glyph(source, glyph)
N = 9
x = np.linspace(-2, 2, N)
y = x**2
l = x * 5 + 25
source = ColumnDataSource(dict(x=x, y=y, l=l))
plot = Plot(title=None,
width=300,
height=300,
min_border=0,
toolbar_location=None)
glyph = Ray(x="x",
y="y",
length="l",
angle=-2.0,
line_color="#fb8072",
line_width=3)
plot.add_glyph(source, glyph)
xaxis = LinearAxis()
plot.add_layout(xaxis, 'below')
yaxis = LinearAxis()
plot.add_layout(yaxis, 'left')
plot.add_layout(Grid(dimension=0, ticker=xaxis.ticker))
plot.add_layout(Grid(dimension=1, ticker=yaxis.ticker))
curdoc().add_root(plot)
hover = plot.select(dict(type=HoverTool))
hover.tooltips = [("LH Utilisation", "$x{00.0} %"),
("Cost Per KG", "$y{0.0} Rs.")]
hover.mode = 'vline'
plot.line('x', 'y', source=source, line_width=3, line_alpha=0.6)
plot.xaxis.axis_label = 'Net Line-haul Utilisation %'
plot.yaxis.axis_label = 'Cost Per KG'
plot.title.align = "center"
#slope_const = Ray(x=20., y=CONST_REVENUE_PER_KG_CURRENT_AVG, length=100, angle=0.0, line_color='firebrick', line_width=2.5, line_dash='dashed')
slope_down = Ray(x=20.,
y=CONST_REVENUE_PER_KG_CURRENT_AVG,
length=100,
angle=-0.075,
line_color='firebrick',
line_width=2.5,
line_dash='dashed')
#slope_up = Ray(x=20., y=CONST_REVENUE_PER_KG_CURRENT_AVG, length=100, angle=0.075, line_color='firebrick', line_width=3, line_dash='dashed')
citation_const = Label(x=40,
y=4.5,
x_units='data',
y_units='data',
text='Breakeven: Cost per KG = Revenue per KG',
render_mode='css',
border_line_color='black',
border_line_alpha=0,
background_fill_color='white',
background_fill_alpha=1.0)