def se2_from_curpos(self, cur_pos, cur_angle):
""" Conversion from Duckietown Gym Simulator coordinates z"""
H = self.children["tilemap"].H
gx, gy, gz = cur_pos
p = [gx, (H - 1) * self.tile_size - gz]
transform = SE2Transform(p, cur_angle)
return transform
def create_lane_highlight(poses_sequence: SampledSequence, dw):
def mapi(v):
if isinstance(v, SE2Transform):
return v.as_SE2()
else:
return v
poses_sequence = poses_sequence.transform_values(mapi, np.ndarray)
lane_pose_results = poses_sequence.transform_values(
GetClosestLane(dw), object)
visualization = PlacedObject()
dw.set_object("visualization",
visualization,
ground_truth=SE2Transform.identity())
for i, (timestamp, name2pose) in enumerate(lane_pose_results):
for name, lane_pose_result in name2pose.items():
assert isinstance(lane_pose_result, GetLanePoseResult)
lane_segment = lane_pose_result.lane_segment
rt = lane_pose_result.lane_segment_transform
s = SampledSequence[Transform]([timestamp], [rt])
visualization.set_object("ls%s-%s-lane" % (i, name),
lane_segment,
ground_truth=s)
p = SampledSequence[Transform]([timestamp],
[lane_pose_result.center_point])
visualization.set_object("ls%s-%s-anchor" % (i, name),
Anchor(),
ground_truth=p)
return lane_pose_results
def get_tile_slots():
LM = 0.5 # half tile
# tile_offset
to = 0.20
# tile_curb
tc = 0.05
positions = {
0: (+to, +tc),
1: (+tc, +to),
2: (-tc, +to),
3: (-to, +tc),
4: (-to, -tc),
5: (-tc, -to),
6: (+tc, -to),
7: (+to, -tc),
}
po = PlacedObject()
for i, (x, y) in positions.items():
name = str(i)
# if name in self.children:
# continue
sl = SignSlot()
# theta = np.deg2rad(theta_deg)
theta = 0
t = SE2Transform((-LM + x, -LM + y), theta)
# noinspection PyTypeChecker
po.set_object(name, sl, ground_truth=t)
return po
def m1():
outdir = get_comptests_output_dir()
gm = load_map("udem1")
# dw = DuckietownWorld()
# for map_name, tm in gym_maps.items():
# DW.root.set_object(map_name, tm)
root = PlacedObject()
world = PlacedObject()
root.set_object("world", world)
origin = SE2Transform([1, 10], np.deg2rad(10))
world.set_object("tile_map",
gm,
ground_truth=Constant[SE2Transform](origin))
# d = dw.as_json_dict()
# print(json.dumps(d, indent=4))
# print(yaml.safe_dump(d, default_flow_style=False))
#
G = get_meausurements_graph(root)
fn = os.path.join(outdir, "out1.pdf")
plot_measurement_graph(root, G, fn)
def se2_from_curpos(self, cur_pos, cur_angle):
""" Conversion from Duckietown Gym Simulator coordinates z"""
from duckietown_world import TileMap
tilemap: TileMap = cast(TileMap, self.children["tilemap"])
H = tilemap.H
gx, gy, gz = cur_pos
p = [gx, (H - 1) * self.tile_size - gz]
transform = SE2Transform(p, cur_angle)
return transform
def SE2Transform_from_lane_pose(self, lane_pose):
beta = self.beta_from_along_lane(lane_pose.along_lane)
# logger.info('beta: %s' % beta)
center_point = self.center_point(beta)
delta = np.array([0, lane_pose.lateral])
rel = geo.SE2_from_translation_angle(delta, lane_pose.relative_heading)
# logger.info('rel: %s' % geo.SE2.friendly(rel))
res = geo.SE2.multiply(center_point, rel)
return SE2Transform.from_SE2(res)
def get_transform(desc, tm, tile_size):
rotate_deg = desc.get('rotate', 0)
rotate = np.deg2rad(rotate_deg)
if 'pos' in desc:
pos = desc['pos']
x = float(pos[0]) * tile_size
# account for non-righthanded
y = float(tm.W - pos[1]) * tile_size
# account for non-righthanded
rotate = -rotate
transform = SE2Transform([x, y], rotate)
return transform
else:
if 'pose' in desc:
pose = Serializable.from_json_dict(desc['pose'])
else:
pose = SE2Transform.identity()
if 'attach' in desc:
attach = desc['attach']
tile_coords = tuple(attach['tile'])
slot = str(attach['slot'])
x, y = get_xy_slot(slot)
i, j = tile_coords
u, v = (x + i) * tile_size, (y + j) * tile_size
transform = SE2Transform([u, v], rotate)
q = geo.SE2.multiply(transform.as_SE2(), pose.as_SE2())
return SE2Transform.from_SE2(q)
else:
return pose
def wb1():
outdir = get_comptests_output_dir()
root = PlacedObject()
tile_map = create_map(H=3, W=3)
world = PlacedObject()
root.set_object('world', world)
placement = Constant[SE2Transform](SE2Transform.identity())
world.set_object('map1', tile_map, ground_truth=placement)
ego = PlacedObject()
world_coordinates = Constant[SE2Transform](SE2Transform([0, 0], 0))
world.set_object('ego', ego, ground_truth=world_coordinates)
d = root.as_json_dict()
# print(json.dumps(DW.root.as_json_dict(), indent=4))
# print(yaml.safe_dump(d, default_flow_style=False))
# print('------')
r1 = Serializable.from_json_dict(d)
# print('read: %s' % r1)
d1 = r1.as_json_dict()
def __init__(self, kind, drivable, **kwargs):
# noinspection PyArgumentList
PlacedObject.__init__(self, **kwargs)
self.kind = kind
self.drivable = drivable
self.fn_emissive = get_if_exists(self.style, kind, "emissive")
self.fn_normal = get_if_exists(self.style, kind, "normals")
self.fn = get_if_exists(self.style, kind, "texture")
self.fn_metallic_roughness = get_if_exists(self.style, kind, "metallic_roughness")
self.fn_occlusion = get_if_exists(self.style, kind, "occlusion")
if not "slots" in self.children:
slots = get_tile_slots()
# noinspection PyTypeChecker
self.set_object("slots", slots, ground_truth=SE2Transform.identity())
def __init__(self, kind, drivable, **kwargs):
# noinspection PyArgumentList
PlacedObject.__init__(self, **kwargs)
self.kind = kind
self.drivable = drivable
from duckietown_world.world_duckietown.map_loading import get_texture_file
try:
self.fn = get_texture_file(kind)
except KeyError as e:
msg = f"Cannot find texture for tile of type {kind}"
logger.warning(msg, e=e)
self.fn = None
# if kind in ['asphalt']:
if not "slots" in self.children:
slots = get_tile_slots()
self.set_object("slots", slots, ground_truth=SE2Transform.identity())
def __init__(self, kind, drivable, **kwargs):
PlacedObject.__init__(self, **kwargs)
self.kind = kind
self.drivable = drivable
from duckietown_world.world_duckietown.map_loading import get_texture_file
try:
self.fn = get_texture_file(kind)
except KeyError:
msg = 'Cannot find texture for %s' % kind
logger.warning(msg)
self.fn = None
# if kind in ['asphalt']:
if not 'slots' in self.children:
slots = get_tile_slots()
self.set_object('slots',
slots,
ground_truth=SE2Transform.identity())
def lane_pose(self, along_lane: float, lateral: float,
relative_heading: float) -> LanePose:
beta = self.beta_from_along_lane(along_lane)
center_point = self.center_point(beta)
W2 = self.width / 2
lateral_inside = -W2 <= lateral <= W2
outside_right = lateral < -W2
outside_left = W2 < lateral
distance_from_left = np.abs(+W2 - lateral)
distance_from_right = np.abs(-W2 - lateral)
distance_from_center = np.abs(lateral)
L = self.get_lane_length()
along_inside = 0 <= along_lane < L
along_before = along_lane < 0
along_after = along_lane > L
inside = lateral_inside and along_inside
correct_direction = np.abs(relative_heading) <= np.pi / 2
return LanePose(
inside=inside,
lateral_inside=lateral_inside,
outside_left=outside_left,
outside_right=outside_right,
distance_from_left=distance_from_left,
distance_from_right=distance_from_right,
relative_heading=relative_heading,
along_inside=along_inside,
along_before=along_before,
along_after=along_after,
along_lane=along_lane,
lateral=lateral,
lateral_left=W2,
lateral_right=-W2,
distance_from_center=distance_from_center,
center_point=SE2Transform.from_SE2(center_point),
correct_direction=correct_direction,
)
def get_skeleton_graph(po):
""" Returns a graph with the lane segments of the map """
# Get all the LaneSegments
root = PlacedObject()
class MeetingPoint(object):
def __init__(self):
self.point = None
self.incoming = set()
self.outcoming = set()
def __repr__(self):
return 'MP(%d %d | %s, %s)' % (len(
self.incoming), len(
self.outcoming), self.incoming, self.outcoming)
def discretize(tran):
def D(x):
return np.round(x, decimals=2)
p, theta = geo.translation_angle_from_SE2(tran.as_SE2())
return D(p[0]), D(p[1]), D(np.cos(theta)), D(np.sin(theta))
meeting_points = defaultdict(MeetingPoint)
for i, it in enumerate(iterate_by_class(po, LaneSegment)):
lane_segment = it.object
# lane_segment_fqn = it.fqn
assert isinstance(lane_segment, LaneSegment), lane_segment
absolute_pose = it.transform_sequence.asmatrix2d()
lane_segment_transformed = transform_lane_segment(
lane_segment, absolute_pose)
identity = SE2Transform.identity()
name = 'ls%03d' % i
root.set_object(name, lane_segment_transformed, ground_truth=identity)
p0 = discretize(lane_segment_transformed.control_points[0])
p1 = discretize(lane_segment_transformed.control_points[-1])
meeting_points[p0].point = lane_segment_transformed.control_points[0]
meeting_points[p0].outcoming.add(name)
meeting_points[p1].point = lane_segment_transformed.control_points[-1]
meeting_points[p1].incoming.add(name)
for k, mp in meeting_points.items():
if (len(mp.incoming) == 0) or (len(mp.outcoming) == 0):
msg = 'Completeness assumption violated at point %s: %s' % (k, mp)
raise Exception(msg)
# compress the lanes which are contiguous
aliases = {}
created = {}
def resolve_alias(x):
return x if x not in aliases else resolve_alias(aliases[x])
for k, mp in list(meeting_points.items()):
# continue
if not (len(mp.incoming) == 1 and len(mp.outcoming) == 1):
continue
# not necessary anymore
meeting_points.pop(k)
lin_name = list(mp.incoming)[0]
lout_name = list(mp.outcoming)[0]
lin_name = resolve_alias(lin_name)
lout_name = resolve_alias(lout_name)
# print(' -> %s and %s meet at %s' % (lin_name, lout_name, mp))
# print('%s and %s meet at %s' % (lin_name, lout_name, k))
def get(it):
if it in root.children:
return root.children[it]
else:
return created[it]
lin = get(lin_name)
lout = get(lout_name)
# name = 'alias%s' % (len(aliases))
# name = '%s-%s' % (lin_name, lout_name)
name = 'L%d' % (len(created))
width = lin.width
control_points = lin.control_points + lout.control_points[1:]
ls = LaneSegment(width=width, control_points=control_points)
created[name] = ls
aliases[lin_name] = name
aliases[lout_name] = name
# print('new alias %s' % name)
#
# print('created: %s' % list(created))
# print('aliases: %s' % aliases)
root2 = PlacedObject()
for k, v in created.items():
if not k in aliases:
root2.set_object(k, v, ground_truth=SE2Transform.identity())
for k, v in root.children.items():
if not k in aliases:
root2.set_object(k, v, ground_truth=SE2Transform.identity())
import networkx as nx
G = nx.MultiDiGraph()
k2name = {}
for i, (k, mp) in enumerate(meeting_points.items()):
node_name = 'P%d' % i
k2name[k] = node_name
G.add_node(node_name, point=mp.point)
ls2start = {}
ls2end = {}
for i, (k, mp) in enumerate(meeting_points.items()):
node_name = k2name[k]
for l in mp.incoming:
ls2end[resolve_alias(l)] = node_name
for l in mp.outcoming:
ls2start[resolve_alias(l)] = node_name
# print(ls2start)
# print(ls2end)
for l in ls2start:
n1 = ls2start[l]
n2 = ls2end[l]
G.add_edge(n1, n2, lane=l)
return SkeletonGraphResult(root=root, root2=root2, G=G)
def transform_point(p):
q = p.as_SE2()
q2 = np.dot(M, q)
p2 = SE2Transform.from_SE2(q2)
return p2
def discretize(tran: SE2Transform) -> PointLabel:
def D(x):
return np.round(x, decimals=2)
p, theta = geo.translation_angle_from_SE2(tran.as_SE2())
return D(p[0]), D(p[1]), D(np.cos(theta)), D(np.sin(theta))
def get_skeleton_graph(po: DuckietownMap) -> SkeletonGraphResult:
""" Returns a graph with the lane segments of the map """
root = PlacedObject()
meeting_points: Dict[str, MeetingPoint] = defaultdict(MeetingPoint)
for i, it in enumerate(iterate_by_class(po, LaneSegment)):
lane_segment = cast(LaneSegment, it.object)
assert isinstance(lane_segment, LaneSegment), lane_segment
absolute_pose = it.transform_sequence.asmatrix2d()
lane_segment_transformed = transform_lane_segment(lane_segment, absolute_pose)
identity = SE2Transform.identity()
name = "ls%03d" % i
root.set_object(name, lane_segment_transformed, ground_truth=identity)
p0 = discretize(lane_segment_transformed.control_points[0])
p1 = discretize(lane_segment_transformed.control_points[-1])
if not p0 in meeting_points:
meeting_points[p0] = MeetingPoint(
set(), set(), set(), lane_segment_transformed.control_points[0], None, None,
)
if not p1 in meeting_points:
meeting_points[p1] = MeetingPoint(
set(), set(), set(), lane_segment_transformed.control_points[-1], None, None,
)
# meeting_points[p0].point = lane_segment_transformed.control_points[0]
meeting_points[p0].outcoming.add(name)
# meeting_points[p1].point = lane_segment_transformed.control_points[-1]
meeting_points[p1].incoming.add(name)
meeting_points[p0].connects_to.add(p1)
tile_coords = [_ for _ in it.transform_sequence.transforms if isinstance(_, TileCoords)]
if not tile_coords:
raise ZException(p0=p0, p1=p1, transforms=it.transform_sequence.transforms)
tile_coord = tile_coords[0]
ij = tile_coord.i, tile_coord.j
meeting_points[p0].into_tile = ij
meeting_points[p1].from_tile = ij
for k, mp in meeting_points.items():
if (len(mp.incoming) == 0) or (len(mp.outcoming) == 0):
msg = "Completeness assumption violated at point %s: %s" % (k, mp)
raise Exception(msg)
G0 = graph_for_meeting_points(meeting_points)
# compress the lanes which are contiguous
aliases = {}
created = {}
def resolve_alias(x):
return x if x not in aliases else resolve_alias(aliases[x])
for k, mp in list(meeting_points.items()):
# continue
if not (len(mp.incoming) == 1 and len(mp.outcoming) == 1):
continue
# not necessary anymore
meeting_points.pop(k)
lin_name = list(mp.incoming)[0]
lout_name = list(mp.outcoming)[0]
lin_name = resolve_alias(lin_name)
lout_name = resolve_alias(lout_name)
# print(' -> %s and %s meet at %s' % (lin_name, lout_name, mp))
# print('%s and %s meet at %s' % (lin_name, lout_name, k))
def get(it):
if it in root.children:
return root.children[it]
else:
return created[it]
lin = get(lin_name)
lout = get(lout_name)
# name = 'alias%s' % (len(aliases))
# name = '%s-%s' % (lin_name, lout_name)
name = "L%d" % (len(created))
width = lin.width
control_points = lin.control_points + lout.control_points[1:]
ls = LaneSegment(width=width, control_points=control_points)
created[name] = ls
aliases[lin_name] = name
aliases[lout_name] = name
# print('new alias %s' % name)
#
# print('created: %s' % list(created))
# print('aliases: %s' % aliases)
root2 = PlacedObject()
for k, v in created.items():
if not k in aliases:
root2.set_object(k, v, ground_truth=SE2Transform.identity())
for k, v in root.children.items():
if not k in aliases:
root2.set_object(k, v, ground_truth=SE2Transform.identity())
G = nx.MultiDiGraph()
k2name = {}
for i, (k, mp) in enumerate(meeting_points.items()):
node_name = "P%d" % i
k2name[k] = node_name
G.add_node(node_name, point=mp.point)
ls2start = {}
ls2end = {}
for i, (k, mp) in enumerate(meeting_points.items()):
node_name = k2name[k]
for l in mp.incoming:
ls2end[resolve_alias(l)] = node_name
for l in mp.outcoming:
ls2start[resolve_alias(l)] = node_name
# print(ls2start)
# print(ls2end)
for l in ls2start:
n1 = ls2start[l]
n2 = ls2end[l]
G.add_edge(n1, n2, lane=l)
return SkeletonGraphResult(root=root, root2=root2, G=G, G0=G0)
def construct_map(yaml_data, tile_size):
dm = DuckietownMap(tile_size)
tiles = yaml_data['tiles']
assert len(tiles) > 0
assert len(tiles[0]) > 0
# Create the grid
A = len(tiles)
B = len(tiles[0])
tm = TileMap(H=B, W=A)
templates = load_tile_types()
for a, row in enumerate(tiles):
if len(row) != B:
msg = "each row of tiles must have the same length"
raise ValueError(msg)
# For each tile in this row
for b, tile in enumerate(row):
tile = tile.strip()
if tile == 'empty':
continue
DEFAULT_ORIENT = 'E' # = no rotation
if '/' in tile:
kind, orient = tile.split('/')
kind = kind.strip()
orient = orient.strip()
drivable = True
elif '4' in tile:
kind = '4way'
# angle = 2
orient = DEFAULT_ORIENT
drivable = True
else:
kind = tile
# angle = 0
orient = DEFAULT_ORIENT
drivable = False
tile = Tile(kind=kind, drivable=drivable)
if kind in templates:
tile.set_object(kind,
templates[kind],
ground_truth=SE2Transform.identity())
else:
pass
# msg = 'Could not find %r in %s' % (kind, templates)
# logger.debug(msg)
tm.add_tile(b, (A - 1) - a, orient, tile)
def go(obj_name, desc):
obj = get_object(desc)
transform = get_transform(desc, tm, tile_size)
dm.set_object(obj_name, obj, ground_truth=transform)
objects = yaml_data.get('objects', [])
if isinstance(objects, list):
for obj_idx, desc in enumerate(objects):
kind = desc['kind']
obj_name = 'ob%02d-%s' % (obj_idx, kind)
go(obj_name, desc)
elif isinstance(objects, dict):
for obj_name, desc in objects.items():
go(obj_name, desc)
else:
raise ValueError(objects)
for it in list(iterate_by_class(tm, Tile)):
ob = it.object
if 'slots' in ob.children:
slots = ob.children['slots']
for k, v in list(slots.children.items()):
if not v.children:
slots.remove_object(k)
if not slots.children:
ob.remove_object('slots')
dm.set_object('tilemap', tm, ground_truth=Scale2D(tile_size))
return dm
def lane_pose_from_SE2Transform(self,
qt: SE2Transform,
tol=0.001) -> LanePose:
return self.lane_pose_from_SE2(qt.as_SE2(), tol=tol)
