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import numpy as np
from shapely.geometry import *
from shapely.affinity import *
from env_utils import get_obj_pos, get_obj_names
from ctrl_utils import put_first_on_second
# define function: total = get_total(xs=numbers).
def get_total(xs):
return np.sum(xs)
# define function: y = eval_line(x, slope, y_intercept=0).
def eval_line(x, slope, y_intercept):
return x * slope + y_intercept
# define function: pt = get_pt_to_the_left(pt, dist).
def get_pt_to_the_left(pt, dist):
return pt + [-dist, 0]
# define function: pt = get_pt_to_the_top(pt, dist).
def get_pt_to_the_top(pt, dist):
return pt + [0, dist]
# define function line = make_line_by_length(length=x).
def make_line_by_length(length):
line = LineString([[0, 0], [length, 0]])
return line
# define function: line = make_vertical_line_by_length(length=x).
def make_vertical_line_by_length(length):
line = make_line_by_length(length)
vertical_line = rotate(line, 90)
return vertical_line
# define function: pt = interpolate_line(line, t=0.5).
def interpolate_line(line, t):
pt = line.interpolate(t, normalized=True)
return np.array(pt.coords[0])
# example: scale a line by 2.
line = make_line_by_length(1)
new_shape = scale(line, xfact=2, yfact=2)
# example: put object1 on top of object0.
put_first_on_second('object1', 'object0')
# example: get the position of the first object.
obj_names = get_obj_names()
pos_2d = get_obj_pos(obj_names[0])