This commit is contained in:
zhm-real
2020-08-05 12:53:22 -07:00
4 changed files with 88 additions and 12 deletions
@@ -3,9 +3,6 @@ This is dynamic rrt code for 3D
@author: yue qi
"""
import numpy as np
from numpy.matlib import repmat
from collections import defaultdict
import copy
import time
import matplotlib.pyplot as plt
@@ -14,9 +11,7 @@ import sys
sys.path.append(os.path.dirname(os.path.abspath(__file__)) + "/../../Sampling_based_Planning/")
from rrt_3D.env3D import env
from rrt_3D.utils3D import getDist, sampleFree, nearest, steer, isCollide, near, cost, path, edgeset, isinbound, \
isinside
from rrt_3D.rrt3D import rrt
from rrt_3D.utils3D import getDist, sampleFree, nearest, steer, isCollide
from rrt_3D.plot_util3D import make_get_proj, draw_block_list, draw_Spheres, draw_obb, draw_line, make_transparent
@@ -60,7 +55,6 @@ class dynamic_rrt_3D:
S.append(qi)
i += 1
self.CreateTreeFromNodes(S)
print('trimming complete...')
def InvalidateNodes(self, obstacle):
Edges = self.FindAffectedEdges(obstacle)
@@ -74,7 +68,7 @@ class dynamic_rrt_3D:
self.flag[self.x0] = 'Valid'
def GrowRRT(self):
print('growing')
print('growing...')
qnew = self.x0
distance_threshold = self.stepsize
self.ind = 0
@@ -91,7 +85,6 @@ class dynamic_rrt_3D:
self.i += 1
self.ind += 1
# self.visualization()
print('growing complete...')
def ChooseTarget(self):
# return the goal, or randomly choose a state in the waypoints based on probs
@@ -141,7 +134,7 @@ class dynamic_rrt_3D:
t = 0
while True:
# move the block while the robot is moving
new, _ = self.env.move_block(a=[0, 0, -0.2], mode='translation')
new, _ = self.env.move_block(a=[0.2, 0, -0.2], mode='translation')
self.InvalidateNodes(new)
self.TrimRRT()
# if solution path contains invalid node
@@ -164,7 +157,7 @@ class dynamic_rrt_3D:
def FindAffectedEdges(self, obstacle):
# scan the graph for the changed edges in the tree.
# return the end point and the affected
print('finding affected edges')
print('finding affected edges...')
Affectededges = []
for e in self.Edge:
child, parent = e
@@ -177,7 +170,7 @@ class dynamic_rrt_3D:
return edge[0]
def CreateTreeFromNodes(self, Nodes):
print('creating tree')
print('creating tree...')
# self.Parent = {node: self.Parent[node] for node in Nodes}
self.V = [node for node in Nodes]
self.Edge = {(node, self.Parent[node]) for node in Nodes}