def write_comparator(canvas, t=I):
width = GS
t = I.move((0.5 * width, 0.0)).transform(t)
Line(COMPARATOR_POINTS, I.scale(0.3, 0.3).transform(t)).write(canvas)
Line(COMPARATOR_POINTS, I.scale(-0.3, -0.3).transform(t)).write(canvas)
Line(EQ_TRIANGLE, I.scale(-1.3, 1.3).transform(t)).write(canvas)
return t.move(t.transform_vector((0.5 * GS, 0.0)))
def write_pump(canvas, transf=I):
symbol = Circle(transf)
symbol.write(canvas)
t = I.scale(-0.6, 0.6).transform(transf)
symbol = Line(EQ_TRIANGLE, t)
symbol.write(canvas)
return transf.move(transf.transform_vector((1.5, 0.0)))
def write_arrow(canvas, t=I):
width = GS
Line(((0.3, 0.0), (width - 0.3, 0.0)), t).write(canvas)
Line(EQ_TRIANGLE,
I.scale(-0.3, 0.3).move(
(width - 0.3, 0.0)).transform(t)).write(canvas)
return t.move(t.transform_vector((width, 0.0)))
def write_pump(canvas, transf=I):
if canvas is not None:
symbol = Circle(transf)
symbol.write(canvas)
t = I.scale(-0.6, 0.6).transform(transf)
symbol = Line(EQ_TRIANGLE, t)
symbol.write(canvas)
return transf.r_move(-0.5, 0.0), transf.r_move(0.5, 0.0)
def write_converter(labels, canvas, t=I):
width = GS
t = I.move((0.5 * width, 0.0)).transform(t)
Square(I.scale(1.5, 1.5).transform(t)).write(canvas)
Line(((-0.75, -0.75), (0.75, 0.75)), t).write(canvas)
canvas.text(labels[0], t.transform_point((-0.35, 0.35)))
canvas.text(labels[1], t.transform_point((0.35, -0.35)))
return t.move(t.transform_vector((0.5 * width, 0.0)))
def write_temp_sensor(canvas, t = I):
width = GS
t = I.move((0.5 * width, 0.0)).transform(t)
Square(I.scale(RESISTOR_RATIO, 1.0).move((0.0, 0.0)).transform(t)).write(canvas)
Line(((0.4, 0.4), (-0.4, -0.4), (-0.7, -0.4)), t).write(canvas)
# Square(I.scale(1.5, 1.5).transform(t)).write(canvas)
canvas.text('$\\vartheta$', t.transform_point((-0.55, -0.4)), position='n')
return I.move((0.2 * GS, 0.0)).transform(t)
def write_fork(canvas, t=I):
width = GS
Line(((0.3, 0.0), (width - 0.3, 0.0)), t).write(canvas)
Line(((width - 0.3, 1.25 * GS), (0.5 * width, 1.25 * GS),
(0.5 * width, -1.25 * GS), (width - 0.3, -1.25 * GS)),
t).write(canvas)
Line(EQ_TRIANGLE,
I.scale(-0.3, 0.3).move(
(width - 0.3, 1.25 * GS)).transform(t)).write(canvas)
Line(EQ_TRIANGLE,
I.scale(-0.3, 0.3).move(
(width - 0.3, 0.0)).transform(t)).write(canvas)
Line(EQ_TRIANGLE,
I.scale(-0.3, 0.3).move(
(width - 0.3, -1.25 * GS)).transform(t)).write(canvas)
return [
I.move((width, 1.25 * GS)).transform(t),
I.move((width, 0.0)).transform(t),
I.move((width, -1.25 * GS)).transform(t)
]
def write_radiator(canvas, transf=I):
if canvas is not None:
symbol = Square(I.scale(2.0, 3.0).transform(transf))
symbol.write(canvas)
return transf.r_move(-1.0, 0.0), transf.r_move(1.0, 0.0)
def write_heater(canvas, transf=I):
if canvas is not None:
t = I.scale(2.0, 3.0).transform(transf)
symbol = Square(t)
symbol.write(canvas)
return transf.r_move(-1.0, 0.0), transf.r_move(1.0, 0.0)
def write_radiator(canvas, transf=I):
symbol = Square(I.scale(3.0, 4.0).transform(transf))
symbol.write(canvas)
return transf.move(transf.transform_vector((4.0, 0.0)))
def write_heater(canvas, transf=I):
t = I.scale(3.0, 4.0).transform(transf)
symbol = Square(t)
symbol.write(canvas)
return transf.move(transf.transform_vector((3.0, 0.0)))