def get_coords(self):
"get the coordinates of the rectangle's vertices"
if not self.radians:
self.angle = radian(self.angle)
diag = ((self.w**2) + (self.h**2))**0.5
x_diff1 = (diag / 2) * sin(self.angle + radian(45))
y_diff1 = (diag / 2) * cos(self.angle + radian(45))
# x_diff2 =
# y_diff2 =
return [
# top left
self.x - x_diff1,
self.y + y_diff1,
# top right
self.x + x_diff1,
self.y + y_diff1,
# bottom right
self.x + x_diff1,
self.y - y_diff1,
# bottom left
self.x - x_diff1,
self.y - y_diff1,
]
def _scale_avg_polar_coords(self, old_magnitude, old_angle, new_magnitude,
new_angle):
# Convert to radians
new_angle = math.radian(new_angle)
old_angle = math.radian(old_angle)
# Calculate components
old_x = old_magnitude * math.sin(old_angle)
old_y = old_magnitude * math.cos(old_angle)
new_x = new_magnitude * math.sin(new_angle)
new_y = new_magnitude * math.cos(new_angle)
# Weighted values
weight = 0.3
x = old_x * (1 - weight) + new_x * weight
y = old_y * (1 - weight) + new_y * weight
return math.sqrt(x * x + y * y), math.degrees(math.atan2(x, y)) % 360
def calculate_velocity(ground_heading, angle):
rads = math.radian(angle)
rads += math.radians(ground_heading)
if rads > math.radians(360):
rads -= math.radians(360)
elif rads < -math.radians(360):
rads += math.radians(360)
vel_x = (np.cos(heading_rad) / 5)
vel_y = (np.sin(heading_rad) / 5)
return vel_x, vel_y
def to_GAUSS(self):
"""
convert WGS84 to Gauss projection
"""
zoneNumber = self.zone_number()
zoneCenterInRadians = math.radian((zoneNumber * ZONE_WIDTH) -
(ZONE_WIDTH / 2.0))
longitudeInRadians = math.radians(
self.longitude + 360 if self.longitude < 0 else self.longitude)
latitudeInRadians = math.radians(self.latitude)
nn = SEMI_MAJOR_AXIS / math.sqrt(1.0 - E2 *
pow(math.sin(latitudeInRadians), 2))
t = pow(math.tan(latitudeInRadians), 2)
c = EE * pow(math.cos(latitudeInRadians), 2)
a = (longitudeInRadians -
zoneCenterInRadians) * math.cos(latitudeInRadians)
m = (SEMI_MAJOR_AXIS * (
(1 - E2 / 4 - 3 * E2_POW_BY_2 / 64 - 5 * E2_POW_BY_3 / 256) *
latitudeInRadians -
(3 * E2 / 8 + 3 * E2_POW_BY_2 / 32 + 45 * E2_POW_BY_3 / 1024) *
math.sin(2 * latitudeInRadians) +
(15 * E2_POW_BY_2 / 256 + 45 * E2_POW_BY_3 / 1024) *
math.sin(4 * latitudeInRadians) -
(35 * E2 * E2_POW_BY_2 / 3072) * math.sin(6 * latitudeInRadians)))
xval = (nn *
(a + (1 - t + c) * pow(a, 3) / 6 +
(5 - 18 * pow(t, 3) + 72 * c - 58 * EE) * pow(a, 5) / 120))
yval = (m + nn * math.tan(latitudeInRadians) *
(pow(a, 2) / 2 + (5 - t + 9 * c + 4 * c * c) * pow(a, 4) / 24 +
(61 - 58 * pow(t, 3) + 600 * c - 330 * EE) * pow(a, 6) / 720))
xOffset = 1000000 * zoneNumber + 500000
yOffset = 0
xval = xval + xOffset
yval = yval + yOffset
return GaussProjection(xval, yval, self.altitude)
def img_affine_aug_pipeline_2d(img,
op_str='rts',
rotate_angle_range=5,
translate_range=3,
shear_range=3,
random_mode=True,
probability=0.5):
if random_mode:
if random.random() < 0.5:
return img
mat = np.identity(3)
for op in op_str:
if op == 'r':
rad = math.radian(((random.random() * 2) - 1) * rotate_angle_range)
cos = math.cos(rad)
sin = math.sin(rad)
rot_mat = np.identity(3)
rot_mat[0][0] = cos
rot_mat[0][1] = sin
rot_mat[1][0] = -sin
rot_mat[1][1] = cos
mat = np.dot(mat, rot_mat)
elif op == 't':
dx = ((random.random() * 2) - 1) * translate_range
dy = ((random.random() * 2) - 1) * translate_range
shift_mat = np.identity(3)
shift_mat[0][2] = dx
shift_mat[1][2] = dy
mat = np.dot(mat, shift_mat)
elif op == 's':
dx = ((random.random() * 2) - 1) * shear_range
dy = ((random.random() * 2) - 1) * shear_range
shear_mat = np.identity(3)
shear_mat[0][1] = dx
shear_mat[1][0] = dy
mat = np.dot(mat, shear_mat)
else:
continue
affine_mat = np.array([mat[0], mat[1]])
return apply_affine(img, affine_mat), affine_mat
def sinh(self):
self.result= False
self.current=math.sinh(math.radian(float(textDisplay.get())))
self.display=(self.current)
def angle_to_grade(angle):
'Convert angle in degree to a percentage grade'
return math.tan(math.radian(angle)) * 100.0
def calc_hight(self):
teta = math.radian(self.alpha)
return self.b * math.sin(teta)
x = 0
fx = x ** 2 + e ** x
print fx #will give me an error that e is not defined because it is just a
#letter but in math it has a value
import math
from math import e
#then
print fx # will give me 1
#=============================================================================#
#You can import a lot of functions from math module
import math
from math import e, factorial, cos, sin, tan, pi, radian
#Examples
x = 30
gx = cosx ** 2 + sinx * e ** x #tell python you uisng import from math and
#convert x to radians if reqiured to
gx_new = math.cos(radian(30)) ** 2 + math.sin(radian(30)) * math.e ** radian(30)
print gx_new
#=============================================================================#
def convertPolarToCartesian(angle, r=1):
inangle = math.radian(angle)
return (r * math.cos(inangle), r * math.sin(inangle))
import math radian = int(input(90)) print(radian) print(math.radian(90)) # Norris Mayes # 2/25/20 # This code calculates radian
