def sovle_rrt(src, dst): # x_init = (10.7016,0.472867,0.813236 ) # starting location # x_goal = (-5,0,1) # goal location x_init = tuple([x * 10 for x in x_init]) x_goal = tuple([x * 10 for x in x_goal]) print('src, dst= ', x_init, x_goal) Q = np.array([(2, 1)]) # length of tree edges r = 1 # length of smallest edge to check for intersection with obstacles max_samples = 1024 # max number of samples to take before timing out rewire_count = 32 # optional, number of nearby branches to rewire prc = 0.01 # probability of checking for a connection to goal # create Search Space X = SearchSpace(X_dimensions, Obstacles) # create rrt_search # for t in range(100): # a=time.time() rrt = RRTStarBidirectionalHeuristic(X, Q, x_init, x_goal, max_samples, r, prc, rewire_count) path = rrt.rrt_star_bid_h() for j in range(len(path)): path[j] = [path[j][i] / 10 for i in range(len(path[j]))] # b=time.time() # print('time=', b-a) print(path) # plot plot = Plot("rrt_star_bid_h_3d") plot.plot_tree(X, rrt.trees) if path is not None: plot.plot_path(X, path) plot.plot_obstacles(X, Obstacles) plot.plot_start(X, x_init) plot.plot_goal(X, x_goal) plot.draw(auto_open=True)
from src.search_space.search_space import SearchSpace from src.utilities.obstacle_generation import generate_random_obstacles from src.utilities.plotting import Plot X_dimensions = np.array([(0, 100), (0, 100)]) # dimensions of Search Space x_init = (0, 0) # starting location x_goal = (100, 100) # goal location Q = np.array([(8, 4)]) # length of tree edges r = 1 # length of smallest edge to check for intersection with obstacles max_samples = 1024 # max number of samples to take before timing out prc = 0.1 # probability of checking for a connection to goal # create search space X = SearchSpace(X_dimensions) n = 50 Obstacles = generate_random_obstacles(X, x_init, x_goal, n) # create rrt_search rrt = RRT(X, Q, x_init, x_goal, max_samples, r, prc) path = rrt.rrt_search() # plot plot = Plot("rrt_2d_with_random_obstacles") plot.plot_tree(X, rrt.trees) if path is not None: plot.plot_path(X, path) plot.plot_obstacles(X, Obstacles) plot.plot_start(X, x_init) plot.plot_goal(X, x_goal) plot.draw(auto_open=True)
import numpy as np from src.rrt.rrt import RRT from src.search_space.search_space import SearchSpace from src.utilities.plotting import Plot # x right # y down # z forward dimensions = np.array([(-5, 5), (-5, 5), (-1, 9)]) obstacles = np.array([(-5, -0.5, 4, 5, 0.5, 5)]) start = (0, 0, 0) goal = (0, 0, 9) q = [(0.5, 3)] r = 0.1 max_samples = 128 prc = 0.1 space = SearchSpace(dimensions, obstacles) rrt = RRT(space, q, start, goal, max_samples, r, prc) path = rrt.rrt_search() plot = Plot("eoc_rrt") plot.plot_tree(space, rrt.trees) if path is not None: plot.plot_path(space, path) plot.plot_obstacles(space, obstacles) plot.plot_start(space, start) plot.plot_goal(space, goal) plot.draw(auto_open=True)