def round(self, precision):
if not self.is_numeric():
raise error.UncompatibleType(self, "numeric Value")
elif (not (precision
in [UNIT, TENTH, HUNDREDTH, THOUSANDTH, TEN_THOUSANDTH] or
(type(precision) == int and 0 <= precision <= 4))):
# __
raise error.UncompatibleType(
precision, "must be UNIT or" + "TENTH, " + "HUNDREDTH, " +
"THOUSANDTH, " + "TEN_THOUSANDTH, " + "or 0, 1, 2, 3 or 4.")
else:
result_value = None
if type(precision) == int:
result_value = Value(
round(self.raw_value,
Decimal(PRECISION[precision]),
rounding=ROUND_HALF_UP))
else:
result_value = Value(
round(self.raw_value,
Decimal(precision),
rounding=ROUND_HALF_UP))
if self.needs_to_get_rounded(precision):
result_value.set_has_been_rounded(True)
return result_value
def label_into_euk(self):
"""Return the label correctly positionned along the Segment."""
if self.label in [Value(''), Value('hidden')]:
return ''
else:
result = ''
x = self.real_length
scale_factor = round(Decimal(str(1.6 * x)),
Decimal('0.1'),
rounding=ROUND_UP)
if x <= 3:
angle_correction = round(Decimal(str(-8 * x + 33)),
Decimal('0.1'),
rounding=ROUND_UP)
else:
angle_correction = \
round(
Decimal(
str(1.1 / (1 - 0.95 * math.exp(-0.027 * x)))),
Decimal('0.1'),
rounding=ROUND_UP)
side_angle = Vector((self.points[0], self.points[1])).slope
label_position_angle = round(side_angle,
Decimal('1'),
rounding=ROUND_HALF_EVEN)
label_position_angle %= Decimal("360")
rotate_box_angle = Decimal(label_position_angle)
if (rotate_box_angle >= 90 and rotate_box_angle <= 270):
rotate_box_angle -= Decimal("180")
elif (rotate_box_angle <= -90 and rotate_box_angle >= -270):
rotate_box_angle += Decimal("180")
rotate_box_angle %= Decimal("360")
result += " $\\rotatebox{"
result += str(rotate_box_angle)
result += "}{\sffamily "
result += self.label.into_str(display_unit=True,
graphic_display=True)
result += "}$ "
result += self.points[0].name + " "
result += str(label_position_angle)
result += " - "
result += str(angle_correction) + " deg "
result += str(scale_factor)
result += "\n"
return result
def label_display_angle(self, arg):
if not is_.a_number(arg):
raise error.WrongArgument(arg, ' a number ')
else:
self._label_display_angle = round(Decimal(str(arg)),
Decimal('0.1'),
rounding=ROUND_HALF_UP)
def slope(self):
"""Return the slope of self."""
theta = round(Decimal(str(math.degrees(
math.acos(self._x_exact / self.norm)))),
Decimal('0.1'),
rounding=ROUND_HALF_UP)
return theta if self._y_exact > 0 else Decimal("360") - theta
def digits_number(self):
if not self.is_numeric():
raise error.UncompatibleType(self, "numeric Value")
else:
temp_result = len(
str((self.raw_value - round(
self.raw_value, Decimal(UNIT), rounding=ROUND_DOWN)))) - 2
if temp_result < 0:
return 0
else:
return temp_result
def __init__(self, arg, **options):
self._ray0 = None
self._ray1 = None
self._points = None
self._measure = None
self._mark = ""
self._label = Value("")
self._name = None
if (isinstance(arg, tuple) and len(arg) == 3
and isinstance(arg[0], Point)
and isinstance(arg[1], Point)
and isinstance(arg[2], Point)):
# __
self._ray0 = Ray((arg[1], arg[0]))
self._ray1 = Ray((arg[1], arg[2]))
self._points = [arg[0].clone(),
arg[1].clone(),
arg[2].clone()]
# Let's determine the measure of the angle:
aux_side0 = Segment((self._points[0], self._points[1]))
aux_side1 = Segment((self._points[1], self._points[2]))
aux_side2 = Segment((self._points[2], self._points[0]))
aux_num = aux_side0.real_length * aux_side0.real_length \
+ aux_side1.real_length * aux_side1.real_length \
- aux_side2.real_length * aux_side2.real_length
aux_denom = 2 * aux_side0.real_length * aux_side1.real_length
aux_cos = aux_num / aux_denom
self._measure = Decimal(str(math.degrees(math.acos(aux_cos))))
if 'label' in options and type(options['label']) == str:
self._label = Value(options['label'])
if 'mark' in options and type(options['mark']) == str:
self._mark = options['mark']
self._name = MARKUP['opening_widehat']
self._name += arg[0].name + arg[1].name + arg[2].name
self._name += MARKUP['closing_widehat']
else:
raise error.WrongArgument(' (Point, Point, Point) ',
str(type(arg)))
self._label_display_angle = round(Decimal(str(self._measure)),
Decimal('0.1'),
rounding=ROUND_HALF_UP) / 2
def x(self):
return round(Decimal(str(self._x)),
Decimal('0.01'),
rounding=ROUND_HALF_UP)
