def test_config_eq():
cfg1 = habitat_sim.Configuration(habitat_sim.SimulatorConfiguration(),
[habitat_sim.AgentConfiguration()])
cfg2 = habitat_sim.Configuration(habitat_sim.SimulatorConfiguration(),
[habitat_sim.AgentConfiguration()])
assert cfg1 == cfg2
def create_sim_config(
self, _sensor_suite: SensorSuite) -> habitat_sim.Configuration:
sim_config = habitat_sim.SimulatorConfiguration()
# sim_config.scene.id = '/private/home/medhini/navigation-analysis-habitat/habitat-api/' + self.config.SCENE
sim_config.scene.id = self.config.SCENE
sim_config.gpu_device_id = self.config.HABITAT_SIM_V0.GPU_DEVICE_ID
agent_config = habitat_sim.AgentConfiguration()
overwrite_config(config_from=self._get_agent_config(),
config_to=agent_config)
sensor_specifications = []
for sensor in _sensor_suite.sensors.values():
sim_sensor_cfg = habitat_sim.SensorSpec()
sim_sensor_cfg.uuid = sensor.uuid
sim_sensor_cfg.resolution = list(
sensor.observation_space.shape[:2])
sim_sensor_cfg.parameters["hfov"] = str(sensor.config.HFOV)
sim_sensor_cfg.position = sensor.config.POSITION
# TODO(maksymets): Add configure method to Sensor API to avoid
# accessing child attributes through parent interface
sim_sensor_cfg.sensor_type = sensor.sim_sensor_type # type: ignore
sensor_specifications.append(sim_sensor_cfg)
# If there is no sensors specified create a dummy sensor so simulator
# won't throw an error
if not _sensor_suite.sensors.values():
sim_sensor_cfg = habitat_sim.SensorSpec()
sim_sensor_cfg.resolution = [1, 1]
sensor_specifications.append(sim_sensor_cfg)
agent_config.sensor_specifications = sensor_specifications
agent_config.action_space = registry.get_action_space_configuration(
self.config.ACTION_SPACE_CONFIG)(self.config).get()
return habitat_sim.Configuration(sim_config, [agent_config])
def create_sim_config(
self, _sensor_suite: SensorSuite) -> habitat_sim.Configuration:
sim_config = habitat_sim.SimulatorConfiguration()
overwrite_config(config_from=self.config.HABITAT_SIM_V0,
config_to=sim_config)
sim_config.scene.id = self.config.SCENE
agent_config = habitat_sim.AgentConfiguration()
overwrite_config(config_from=self._get_agent_config(),
config_to=agent_config)
sensor_specifications = []
for sensor in _sensor_suite.sensors.values():
sim_sensor_cfg = habitat_sim.SensorSpec()
overwrite_config(config_from=sensor.config,
config_to=sim_sensor_cfg)
sim_sensor_cfg.uuid = sensor.uuid
sim_sensor_cfg.resolution = list(
sensor.observation_space.shape[:2])
sim_sensor_cfg.parameters["hfov"] = str(sensor.config.HFOV)
# TODO(maksymets): Add configure method to Sensor API to avoid
# accessing child attributes through parent interface
sim_sensor_cfg.sensor_type = sensor.sim_sensor_type # type: ignore
sim_sensor_cfg.gpu2gpu_transfer = (
self.config.HABITAT_SIM_V0.GPU_GPU)
sensor_specifications.append(sim_sensor_cfg)
agent_config.sensor_specifications = sensor_specifications
agent_config.action_space = registry.get_action_space_configuration(
self.config.ACTION_SPACE_CONFIG)(self.config).get()
return habitat_sim.Configuration(sim_config, [agent_config])
def test_default_body_contorls(action, expected):
scene_graph = habitat_sim.SceneGraph()
agent_config = habitat_sim.AgentConfiguration()
agent_config.action_space = dict(
move_backward=habitat_sim.ActionSpec(
"move_backward", habitat_sim.ActuationSpec(amount=0.25)),
move_forward=habitat_sim.ActionSpec(
"move_forward", habitat_sim.ActuationSpec(amount=0.25)),
move_left=habitat_sim.ActionSpec(
"move_left", habitat_sim.ActuationSpec(amount=0.25)),
move_right=habitat_sim.ActionSpec(
"move_right", habitat_sim.ActuationSpec(amount=0.25)),
turn_left=habitat_sim.ActionSpec(
"turn_left", habitat_sim.ActuationSpec(amount=10.0)),
turn_right=habitat_sim.ActionSpec(
"turn_right", habitat_sim.ActuationSpec(amount=10.0)),
)
agent = habitat_sim.Agent(scene_graph.get_root_node().create_child(),
agent_config)
state = agent.state
agent.act(action)
new_state = agent.state
_check_state_expected(state, new_state, expected)
for k, v in state.sensor_states.items():
assert k in new_state.sensor_states
_check_state_expected(v, new_state.sensor_states[k], expected)
def test_default_sensor_contorls(action, expected):
scene_graph = habitat_sim.SceneGraph()
agent_config = habitat_sim.AgentConfiguration()
agent_config.action_space = dict(
move_up=habitat_sim.ActionSpec("move_up",
habitat_sim.ActuationSpec(amount=0.25)),
move_down=habitat_sim.ActionSpec(
"move_down", habitat_sim.ActuationSpec(amount=0.25)),
look_left=habitat_sim.ActionSpec(
"look_left", habitat_sim.ActuationSpec(amount=10.0)),
look_right=habitat_sim.ActionSpec(
"look_right", habitat_sim.ActuationSpec(amount=10.0)),
look_up=habitat_sim.ActionSpec("look_up",
habitat_sim.ActuationSpec(amount=10.0)),
look_down=habitat_sim.ActionSpec(
"look_down", habitat_sim.ActuationSpec(amount=10.0)),
)
agent = habitat_sim.Agent(scene_graph.get_root_node().create_child(),
agent_config)
state = agent.state
agent.act(action)
new_state = agent.state
_check_state_same(state, new_state)
for k, v in state.sensor_states.items():
assert k in new_state.sensor_states
_check_state_expected(v, new_state.sensor_states[k], expected)
def confSim(settings):
sim_config = habitat_sim.SimulatorConfiguration()
sim_config.scene_id = settings["scene"]
#Configuration for Sensors
sensor_spec = []
color_sensor_spec = habitat_sim.SensorSpec()
color_sensor_spec.uuid = "color_sensor"
color_sensor_spec.sensor_type = habitat_sim.SensorType.COLOR
color_sensor_spec.resolution = [settings["height"], settings["width"]]
color_sensor_spec.position = [0.0, settings["sensor_height"], 0.0]
sensor_spec.append(color_sensor_spec)
depth_sensor_spec = habitat_sim.SensorSpec()
depth_sensor_spec.uuid = "depth_sensor"
depth_sensor_spec.sensor_type = habitat_sim.SensorType.DEPTH
depth_sensor_spec.resolution = [settings["height"], settings["width"]]
depth_sensor_spec.position = [0.0, settings["sensor_height"], 0.0]
sensor_spec.append(depth_sensor_spec)
#Configure Agent
agent_config = habitat_sim.AgentConfiguration()
agent_config.sensor_specifications = sensor_spec
return habitat_sim.Configuration(sim_config,[agent_config])
def setup_sim_and_sensors():
left_rgb_sensor = create_sensor(orientation=[0.0, 0.0, 0.0],
position=[eye_seperation / 2, 0, 0],
sensor_uuid="left_rgb_sensor")
right_rgb_sensor = create_sensor(position=[-eye_seperation / 2, 0, 0],
sensor_uuid="right_rgb_sensor")
depth_sensor = create_sensor(sensor_uuid="depth_sensor", camera_type="D")
# agent configuration has the sensor_specifications objects as a list
new_agent_config = habitat_sim.AgentConfiguration()
new_agent_config.sensor_specifications = [
left_rgb_sensor, right_rgb_sensor, depth_sensor
]
# Configuration of the backend of the simulator includes default_agent_id set to 0
backend_cfg = habitat_sim.SimulatorConfiguration()
default_agent_id = backend_cfg.default_agent_id
backend_cfg.foveation_distortion = True
backend_cfg.scene.id = ("../multi_agent/data_files/skokloster-castle.glb")
# backend_cfg.scene.id = (
# "/Users/rajan/My_Replica/replica_v1/room_2/mesh.ply"
# )
# Tie the backend of the simulator and a list of agent configurations
new_Configuration = habitat_sim.Configuration(backend_cfg,
[new_agent_config])
# When Simulator is called the agent configuration becomes Agents (only one agent in our case]
new_sim = habitat_sim.Simulator(new_Configuration)
return new_sim, default_agent_id
def create_sim_config(
self, _sensor_suite: SensorSuite) -> habitat_sim.Configuration:
sim_config = habitat_sim.SimulatorConfiguration()
sim_config.scene.id = self.config.SCENE
sim_config.gpu_device_id = self.config.HABITAT_SIM_V0.GPU_DEVICE_ID
sim_config.allow_sliding = self.config.HABITAT_SIM_V0.ALLOW_SLIDING
sim_config.enable_physics = self.config.HABITAT_SIM_V0.ENABLE_PHYSICS
sim_config.physics_config_file = (
self.config.HABITAT_SIM_V0.PHYSICS_CONFIG_FILE)
agent_config = habitat_sim.AgentConfiguration()
overwrite_config(config_from=self._get_agent_config(),
config_to=agent_config)
sensor_specifications = []
for sensor in _sensor_suite.sensors.values():
sim_sensor_cfg = habitat_sim.SensorSpec()
sim_sensor_cfg.uuid = sensor.uuid
sim_sensor_cfg.resolution = list(
sensor.observation_space.shape[:2])
sim_sensor_cfg.parameters["hfov"] = str(sensor.config.HFOV)
sim_sensor_cfg.position = sensor.config.POSITION
# TODO(maksymets): Add configure method to Sensor API to avoid
# accessing child attributes through parent interface
sim_sensor_cfg.sensor_type = sensor.sim_sensor_type # type: ignore
sim_sensor_cfg.gpu2gpu_transfer = (
self.config.HABITAT_SIM_V0.GPU_GPU)
sensor_specifications.append(sim_sensor_cfg)
agent_config.sensor_specifications = sensor_specifications
agent_config.action_space = registry.get_action_space_configuration(
self.config.ACTION_SPACE_CONFIG)(self.config).get()
return habitat_sim.Configuration(sim_config, [agent_config])
def test_multiple_construct_destroy():
sim_cfg = habitat_sim.SimulatorConfiguration()
agent_config = habitat_sim.AgentConfiguration()
sim_cfg.scene.id = "data/scene_datasets/habitat-test-scenes/van-gogh-room.glb"
for _ in range(3):
with habitat_sim.Simulator(habitat_sim.Configuration(sim_cfg, [agent_config])):
pass
def setup_agent(dataset_path, random_pos, image_size, focal):
random_up, random_left, random_back = random_pos
backend_cfg = habitat_sim.SimulatorConfiguration()
backend_cfg.scene.id = (dataset_path)
hfov = 2 * np.arctan(0.5 * image_size[1] / focal) / np.pi * 180
# First, let's create a stereo RGB agent
left_rgb_sensor = habitat_sim.SensorSpec()
# Give it the uuid of left_sensor, this will also be how we
# index the observations to retrieve the rendering from this sensor
left_rgb_sensor.uuid = "left_rgb_sensor"
left_rgb_sensor.resolution = image_size
# The left RGB sensor will be 1.5 meters off the ground
# and 0.25 meters to the left of the center of the agent
left_rgb_sensor.position = random_up * habitat_sim.geo.UP + random_left * habitat_sim.geo.LEFT + random_back * habitat_sim.geo.BACK
left_rgb_sensor.parameters["hfov"] = str(hfov)
# Same deal with the right sensor
right_rgb_sensor = habitat_sim.SensorSpec()
right_rgb_sensor.uuid = "right_rgb_sensor"
right_rgb_sensor.resolution = image_size
# The right RGB sensor will be 1.5 meters off the ground
# and 0.25 meters to the right of the center of the agent
right_rgb_sensor.position = left_rgb_sensor.position + 0.5 * habitat_sim.geo.RIGHT
right_rgb_sensor.parameters["hfov"] = str(hfov)
# Now let's do the exact same thing but for a depth camera stereo pair!
left_depth_sensor = habitat_sim.SensorSpec()
left_depth_sensor.uuid = "left_depth_sensor"
left_depth_sensor.resolution = image_size
left_depth_sensor.position = left_rgb_sensor.position
# The only difference is that we set the sensor type to DEPTH
left_depth_sensor.sensor_type = habitat_sim.SensorType.DEPTH
left_depth_sensor.parameters["hfov"] = str(hfov)
right_depth_sensor = habitat_sim.SensorSpec()
right_depth_sensor.uuid = "right_depth_sensor"
right_depth_sensor.resolution = image_size
right_depth_sensor.position = right_rgb_sensor.position
# The only difference is that we set the sensor type to DEPTH
right_depth_sensor.sensor_type = habitat_sim.SensorType.DEPTH
right_depth_sensor.parameters["hfov"] = str(hfov)
# Now we simly set the agent's list of sensor specs to be the two specs for our two sensors
agent_config = habitat_sim.AgentConfiguration()
agent_config.sensor_specifications = [
left_rgb_sensor, right_rgb_sensor, left_depth_sensor,
right_depth_sensor
]
sim = habitat_sim.Simulator(
habitat_sim.Configuration(backend_cfg, [agent_config]))
return sim
def test_no_move_fun():
scene_graph = habitat_sim.SceneGraph()
agent_config = habitat_sim.AgentConfiguration()
agent_config.action_space = dict(move_forward=habitat_sim.ActionSpec(
"DNF", habitat_sim.ActuationSpec(amount=0.25)))
agent = habitat_sim.Agent(scene_graph.get_root_node().create_child(),
agent_config)
with pytest.raises(AssertionError):
agent.act("move_forward")
def _test_keep_agent_tgt():
sim_cfg = habitat_sim.SimulatorConfiguration()
agent_config = habitat_sim.AgentConfiguration()
sim_cfg.scene.id = "data/scene_datasets/habitat-test-scenes/van-gogh-room.glb"
agents = []
for _ in range(3):
with habitat_sim.Simulator(
habitat_sim.Configuration(sim_cfg, [agent_config])) as sim:
agents.append(sim.get_agent(0))
def create_sim_config(
self, _sensor_suite: SensorSuite) -> habitat_sim.Configuration:
sim_config = habitat_sim.SimulatorConfiguration()
sim_config.scene.id = self.config.SCENE
sim_config.gpu_device_id = self.config.HABITAT_SIM_V0.GPU_DEVICE_ID
agent_config = habitat_sim.AgentConfiguration()
overwrite_config(config_from=self._get_agent_config(),
config_to=agent_config)
sensor_specifications = []
for sensor in _sensor_suite.sensors.values():
sim_sensor_cfg = habitat_sim.SensorSpec()
sim_sensor_cfg.uuid = sensor.uuid
sim_sensor_cfg.resolution = list(
sensor.observation_space.shape[:2])
sim_sensor_cfg.parameters["hfov"] = str(sensor.config.HFOV)
sim_sensor_cfg.position = sensor.config.POSITION
# TODO(maksymets): Add configure method to Sensor API to avoid
# accessing child attributes through parent interface
sim_sensor_cfg.sensor_type = sensor.sim_sensor_type # type: ignore
sensor_specifications.append(sim_sensor_cfg)
# If there is no sensors specified create a dummy sensor so simulator
# won't throw an error
if not _sensor_suite.sensors.values():
sim_sensor_cfg = habitat_sim.SensorSpec()
sim_sensor_cfg.resolution = [1, 1]
sensor_specifications.append(sim_sensor_cfg)
agent_config.sensor_specifications = sensor_specifications
agent_config.action_space = {
SimulatorActions.LEFT.value:
habitat_sim.ActionSpec(
"turn_left",
habitat_sim.ActuationSpec(amount=self.config.TURN_ANGLE),
),
SimulatorActions.RIGHT.value:
habitat_sim.ActionSpec(
"turn_right",
habitat_sim.ActuationSpec(amount=self.config.TURN_ANGLE),
),
SimulatorActions.FORWARD.value:
habitat_sim.ActionSpec(
"move_forward",
habitat_sim.ActuationSpec(
amount=self.config.FORWARD_STEP_SIZE),
),
SimulatorActions.STOP.value:
habitat_sim.ActionSpec("stop"),
}
return habitat_sim.Configuration(sim_config, [agent_config])
def test_multiple_construct_destroy():
sim_cfg = habitat_sim.SimulatorConfiguration()
agent_config = habitat_sim.AgentConfiguration()
sim_cfg.scene_id = "data/scene_datasets/habitat-test-scenes/van-gogh-room.glb"
hab_cfg = habitat_sim.Configuration(sim_cfg, [agent_config])
mm = habitat_sim.metadata.MetadataMediator(sim_cfg)
hab_cfg_mm = habitat_sim.Configuration(sim_cfg, [agent_config], mm)
test_list = [hab_cfg, hab_cfg_mm]
for ctor_arg in test_list:
for _ in range(3):
with habitat_sim.Simulator(ctor_arg):
pass
def _make_cfg(self, settings):
sim_cfg = habitat_sim.SimulatorConfiguration()
sim_cfg.gpu_device_id = int(self.params.get('gpu',
_DEFAULT_GPU_DEVICE))
sim_cfg.scene.id = settings["scene"]
# Setup Sensors
# ------------------------------------------------------------
# Note: all sensors must have the same resolution
sensors = {
"color_sensor": {
"sensor_type": habitat_sim.SensorType.COLOR,
"resolution": [settings["height"], settings["width"]],
"position": [0.0, settings["sensor_height"], 0.0],
},
"semantic_sensor": {
"sensor_type": habitat_sim.SensorType.SEMANTIC,
"resolution": [settings["height"], settings["width"]],
"position": [0.0, settings["sensor_height"], 0.0],
}
}
if self.sim_settings['depth_sensor']:
sensors["depth_sensor"] = {
"sensor_type": habitat_sim.SensorType.DEPTH,
"resolution": [settings["height"], settings["width"]],
"position": [0.0, settings["sensor_height"], 0.0],
}
sensor_specs = []
for sensor_uuid, sensor_params in sensors.items():
if settings[sensor_uuid]:
sensor_spec = habitat_sim.SensorSpec()
sensor_spec.uuid = sensor_uuid
sensor_spec.sensor_type = sensor_params["sensor_type"]
sensor_spec.resolution = sensor_params["resolution"]
sensor_spec.position = sensor_params["position"]
sensor_spec.parameters["hfov"] = str(settings["hfov"])
sensor_specs.append(sensor_spec)
# ------------------------------------------------------------
# Setup Agent
# ------------------------------------------------------------
agent_cfg = habitat_sim.AgentConfiguration()
agent_cfg.sensor_specifications = sensor_specs
agent_cfg.action_space = {}
# ------------------------------------------------------------
return habitat_sim.Configuration(sim_cfg, [agent_cfg])
def test_keep_agent():
sim_cfg = habitat_sim.SimulatorConfiguration()
agent_config = habitat_sim.AgentConfiguration()
sim_cfg.scene_id = "data/scene_datasets/habitat-test-scenes/van-gogh-room.glb"
agents = []
hab_cfg = habitat_sim.Configuration(sim_cfg, [agent_config])
mm = habitat_sim.metadata.MetadataMediator(sim_cfg)
hab_cfg_mm = habitat_sim.Configuration(sim_cfg, [agent_config], mm)
test_list = [hab_cfg, hab_cfg_mm]
for ctor_arg in test_list:
for _ in range(3):
with habitat_sim.Simulator(ctor_arg) as sim:
agents.append(sim.get_agent(0))
def create_sim_config(
self, _sensor_suite: SensorSuite
) -> habitat_sim.Configuration:
sim_config = habitat_sim.SimulatorConfiguration()
# Check if Habitat-Sim is post Scene Config Update
if not hasattr(sim_config, "scene_id"):
raise RuntimeError(
"Incompatible version of Habitat-Sim detected, please upgrade habitat_sim"
)
overwrite_config(
config_from=self.habitat_config.HABITAT_SIM_V0,
config_to=sim_config,
)
sim_config.scene_id = self.habitat_config.SCENE
agent_config = habitat_sim.AgentConfiguration()
overwrite_config(
config_from=self._get_agent_config(), config_to=agent_config
)
sensor_specifications = []
for sensor in _sensor_suite.sensors.values():
sim_sensor_cfg = habitat_sim.SensorSpec()
overwrite_config(
config_from=sensor.config, config_to=sim_sensor_cfg
)
sim_sensor_cfg.uuid = sensor.uuid
sim_sensor_cfg.resolution = list(
sensor.observation_space.shape[:2]
)
sim_sensor_cfg.parameters["hfov"] = str(sensor.config.HFOV)
# TODO(maksymets): Add configure method to Sensor API to avoid
# accessing child attributes through parent interface
# We know that the Sensor has to be one of these Sensors
sensor = cast(HabitatSimVizSensors, sensor)
sim_sensor_cfg.sensor_type = sensor.sim_sensor_type
sim_sensor_cfg.gpu2gpu_transfer = (
self.habitat_config.HABITAT_SIM_V0.GPU_GPU
)
sensor_specifications.append(sim_sensor_cfg)
agent_config.sensor_specifications = sensor_specifications
agent_config.action_space = registry.get_action_space_configuration(
self.habitat_config.ACTION_SPACE_CONFIG
)(self.habitat_config).get()
return habitat_sim.Configuration(sim_config, [agent_config])
def test_no_navmesh_smoke():
sim_cfg = habitat_sim.SimulatorConfiguration()
agent_config = habitat_sim.AgentConfiguration()
# No sensors as we are only testing to see if things work
# with no navmesh and the navmesh isn't used for any exisitng sensors
agent_config.sensor_specifications = []
sim_cfg.scene_id = "data/test_assets/scenes/stage_floor1.glb"
with habitat_sim.Simulator(
habitat_sim.Configuration(sim_cfg, [agent_config])
) as sim:
sim.initialize_agent(0)
random.seed(0)
for _ in range(50):
obs = sim.step(random.choice(list(agent_config.action_space.keys())))
# Can't collide with no navmesh
assert not obs["collided"]
def test_no_navmesh_smoke(sim):
sim_cfg = habitat_sim.SimulatorConfiguration()
agent_config = habitat_sim.AgentConfiguration()
# No sensors as we are only testing to see if things work
# with no navmesh and the navmesh isn't used for any exisitng sensors
agent_config.sensor_specifications = []
sim_cfg.scene.id = "data/scene_datasets/habitat-test-scenes/van-gogh-room.glb"
# Make it try to load a navmesh that doesn't exists
sim_cfg.scene.filepaths["navmesh"] = "/tmp/dne.navmesh"
sim.reconfigure(habitat_sim.Configuration(sim_cfg, [agent_config]))
sim.initialize_agent(0)
random.seed(0)
for _ in range(50):
obs = sim.step(random.choice(list(agent_config.action_space.keys())))
# Can't collide with no navmesh
assert not obs["collided"]
return new_sensor
if __name__ == "__main__":
print("The system version is {}".format(sys.version))
left_rgb_sensor: object = create_sensor([0.0, 0.0, 0.0],
sensor_uuid="left_rgb_sensor")
right_rgb_sensor: object = create_sensor([0.0, 0.0, 0.0],
sensor_uuid="right_rgb_sensor")
depth_sensor: object = create_test_sensor(sensor_uuid="depth_sensor",
camera_type="D")
# agent configuration has the sensor_specifications objects as a list
my_agent_config = habitat_sim.AgentConfiguration()
my_agent_config.sensor_specifications = [
left_rgb_sensor, right_rgb_sensor, depth_sensor
]
# Configuration of the backend of the simulator includes default_agent_id set to 0
backend_cfg = habitat_sim.SimulatorConfiguration()
default_agent_id = backend_cfg.default_agent_id
backend_cfg.foveation_distortion = True
#backend_cfg.foveation_distortion = False
backend_cfg.scene.id = (
"/Users/rajan/My_Replica/replica_v1/room_2/mesh.ply")
# Tie the backend of the simulator and a list of agent configurations
my_Configuration = habitat_sim.Configuration(backend_cfg,
[my_agent_config])
def test_pyrobot_noisy_actions(noise_multiplier, robot, controller):
np.random.seed(0)
scene_graph = SceneGraph()
agent_config = habitat_sim.AgentConfiguration()
agent_config.action_space = dict(
noisy_move_backward=habitat_sim.ActionSpec(
"pyrobot_noisy_move_backward",
habitat_sim.PyRobotNoisyActuationSpec(
amount=1.0,
robot=robot,
controller=controller,
noise_multiplier=noise_multiplier,
),
),
noisy_move_forward=habitat_sim.ActionSpec(
"pyrobot_noisy_move_forward",
habitat_sim.PyRobotNoisyActuationSpec(
amount=1.0,
robot=robot,
controller=controller,
noise_multiplier=noise_multiplier,
),
),
noisy_turn_left=habitat_sim.ActionSpec(
"pyrobot_noisy_turn_left",
habitat_sim.PyRobotNoisyActuationSpec(
amount=90.0,
robot=robot,
controller=controller,
noise_multiplier=noise_multiplier,
),
),
noisy_turn_right=habitat_sim.ActionSpec(
"pyrobot_noisy_turn_right",
habitat_sim.PyRobotNoisyActuationSpec(
amount=90.0,
robot=robot,
controller=controller,
noise_multiplier=noise_multiplier,
),
),
move_backward=habitat_sim.ActionSpec(
"move_backward", habitat_sim.ActuationSpec(amount=1.0)
),
move_forward=habitat_sim.ActionSpec(
"move_forward", habitat_sim.ActuationSpec(amount=1.0)
),
turn_left=habitat_sim.ActionSpec(
"turn_left", habitat_sim.ActuationSpec(amount=90.0)
),
turn_right=habitat_sim.ActionSpec(
"turn_right", habitat_sim.ActuationSpec(amount=90.0)
),
)
agent = habitat_sim.Agent(scene_graph.get_root_node().create_child(), agent_config)
for base_action in {act.replace("noisy_", "") for act in agent_config.action_space}:
state = agent.state
state.rotation = np.quaternion(1, 0, 0, 0)
agent.state = state
agent.act(base_action)
base_state = agent.state
delta_translations = []
delta_rotations = []
for _ in range(300):
agent.state = state
agent.act(f"noisy_{base_action}")
noisy_state = agent.state
delta_translations.append(_delta_translation(base_state, noisy_state))
delta_rotations.append(_delta_rotation(base_state, noisy_state))
delta_translations_arr = np.stack(delta_translations)
delta_rotations_arr = np.stack(delta_rotations)
if "move" in base_action:
noise_model = pyrobot_noise_models[robot][controller].linear_motion
else:
noise_model = pyrobot_noise_models[robot][controller].rotational_motion
EPS = 5e-2
assert (
np.linalg.norm(
noise_model.linear.mean * noise_multiplier
- np.abs(delta_translations_arr.mean(0))
)
< EPS
)
assert (
np.linalg.norm(
noise_model.rotation.mean * noise_multiplier
- np.abs(delta_rotations_arr.mean(0))
)
< EPS
)
assert (
np.linalg.norm(
noise_model.linear.cov * noise_multiplier
- np.diag(delta_translations_arr.std(0) ** 2)
)
< EPS
)
assert (
np.linalg.norm(
noise_model.rotation.cov * noise_multiplier
- (delta_rotations_arr.std(0) ** 2)
)
< EPS
)
def setupAgentwithSensors(display=True):
global cv2
# Only import cv2 if we are doing to display
if display:
import cv2 as _cv2
cv2 = _cv2
cv2.namedWindow("stereo_pair")
# cv2.namedWindow("depth_pair")
backend_cfg = habitat_sim.SimulatorConfiguration()
backend_cfg.scene.id = (
"data/scene_datasets/habitat-test-scenes/skokloster-castle.glb"
) # data/scene_datasets/habitat-test-scenes/skokloster-castle.glb
# cam_baseline = 0.2
# cam_focalLength = 450
# height = 640
# width = 960
# constructPyramid()
hfov = 2 * math.degrees(math.atan(width / (2 * cam_focalLength)))
vfov = 2 * math.degrees(math.atan(height / (2 * cam_focalLength)))
# First, let's create a stereo RGB agent
left_rgb_sensor = habitat_sim.SensorSpec()
# Give it the uuid of left_sensor, this will also be how we
# index the observations to retrieve the rendering from this sensor
left_rgb_sensor.uuid = "left_sensor"
left_rgb_sensor.resolution = [height, width]
left_rgb_sensor.parameters["hfov"] = str(hfov)
left_rgb_sensor.parameters["vfov"] = str(vfov)
# The left RGB sensor will be 1.5 meters off the ground
# and 0.25 meters to the left of the center of the agent
left_rgb_sensor.position = 1.5 * habitat_sim.geo.UP + (
cam_baseline / 2) * habitat_sim.geo.LEFT
# Same deal with the right sensor
right_rgb_sensor = habitat_sim.SensorSpec()
right_rgb_sensor.uuid = "right_sensor"
right_rgb_sensor.resolution = [height, width]
right_rgb_sensor.parameters["hfov"] = str(hfov)
right_rgb_sensor.parameters["vfov"] = str(vfov)
# The right RGB sensor will be 1.5 meters off the ground
# and 0.25 meters to the right of the center of the agent
right_rgb_sensor.position = 1.5 * habitat_sim.geo.UP + (
cam_baseline / 2) * habitat_sim.geo.RIGHT
# Now let's do the exact same thing but for a depth camera stereo pair!
left_depth_sensor = habitat_sim.SensorSpec()
left_depth_sensor.uuid = "left_sensor_depth"
left_depth_sensor.resolution = [height, width]
left_depth_sensor.parameters["hfov"] = str(hfov)
left_depth_sensor.parameters["vfov"] = str(vfov)
left_depth_sensor.position = 1.5 * habitat_sim.geo.UP + (
cam_baseline / 2) * habitat_sim.geo.LEFT
# The only difference is that we set the sensor type to DEPTH
left_depth_sensor.sensor_type = habitat_sim.SensorType.DEPTH
right_depth_sensor = habitat_sim.SensorSpec()
right_depth_sensor.uuid = "right_sensor_depth"
right_depth_sensor.resolution = [height, width]
right_depth_sensor.parameters["hfov"] = str(hfov)
right_depth_sensor.parameters["vfov"] = str(vfov)
right_depth_sensor.position = 1.5 * habitat_sim.geo.UP + (
cam_baseline / 2) * habitat_sim.geo.RIGHT
# The only difference is that we set the sensor type to DEPTH
right_depth_sensor.sensor_type = habitat_sim.SensorType.DEPTH
agent_config = habitat_sim.AgentConfiguration(
) # set configuration for agent (id = 0)
agent_config.sensor_specifications = [
left_rgb_sensor, right_rgb_sensor, left_depth_sensor,
right_depth_sensor
]
sim = habitat_sim.simulator.Simulator(
habitat_sim.Configuration(backend_cfg, [agent_config]))
# set agent position
inital_state_agent = place_agent(sim, agent_config)
# print("inital agent state: {0} ".format(inital_state_agent))
print("inital agent's sensor state: {0} ".format(
inital_state_agent.sensor_states))
# set action
_render(sim, isdepth=True)
def main():
backend_cfg = habitat_sim.SimulatorConfiguration()
backend_cfg.scene_id = (
"data/scene_datasets/habitat-test-scenes/skokloster-castle.glb")
backend_cfg.enable_physics = True
# Leaving the context with the background thread can improve
# performance, but makes it so that sim.get_sensor_observations_async_finish()
# no longer returns the context back to the main thread. If you set this to
# true and get context assert failures, call sim.renderer.acquire_gl_context()
# to move the OpenGL context back to the main thread.
# The default is False
backend_cfg.leave_context_with_background_renderer = False
agent_cfg = habitat_sim.AgentConfiguration(
sensor_specifications=[habitat_sim.CameraSensorSpec()])
cfg = habitat_sim.Configuration(backend_cfg, [agent_cfg])
# Number of physics steps per render
n_physics_steps_per_render = 4
# Render at 30 hz
physics_step_time = 1.0 / (30 * n_physics_steps_per_render)
sim = habitat_sim.Simulator(cfg)
for i in range(n_physics_steps_per_render):
# Always call sim.step_physics when not using async rendering
if i == 0:
sim.start_async_render_and_step_physics(physics_step_time)
else:
sim.step_physics(physics_step_time)
# Call sim.renderer.acquire_gl_context() if you need to create or destroy an object.
# Note that this will block until rendering is done.
obs = sim.get_sensor_observations_async_finish()
# To change back to normal rendering, use
# obs = sim.get_sensor_observations()
# You can add/remove objects after the call to get_sensor_observations_async_finish()
# if backend_cfg.leave_context_with_background_renderer was left as False, it that as
# true, you'd need to call
# sim.renderer.acquire_gl_context()
# Calling acquire_gl_context() is a noop if the main thread already has the OpenGL context
backend_cfg = habitat_sim.SimulatorConfiguration()
backend_cfg.scene_id = "data/scene_datasets/habitat-test-scenes/apartment_1.glb"
backend_cfg.enable_physics = True
new_cfg = habitat_sim.Configuration(backend_cfg, [agent_cfg])
# To create a new instance of the simulator to swap scene or similar,
# do not delete the simulator instance as this may leak GPU memory
# Instead, call sim.close(destroy=False) as this will close/delete
# everything except the OpenGL context and the background render
# thread.
sim.close(destroy=False)
# Then use reconfigure.
sim.reconfigure(new_cfg)
# If
# sim.close()
# sim = habitat_sim.Simulator(new_cfg)
# was used, that could end up leaking memory
sim.start_async_render_and_step_physics(physics_step_time)
obs = sim.get_sensor_observations_async_finish() # noqa: F841
# Call close with destroy=True here because this example is over :)
sim.close(destroy=True)
def __init__(self,
scene,
result_folder,
depth_camera=False,
loc_depth_cam='c',
foveation=False):
self.agent_config = habitat_sim.AgentConfiguration()
# Left sensor - # oreo perspective - staring at -ive z
self.left_sensor = habitat_sim.SensorSpec()
self.left_sensor.sensor_type = habitat_sim.SensorType.COLOR
self.left_sensor.resolution = sensor_resolution
self.left_sensor.uuid = "left_rgb_sensor"
self.left_sensor.position = [-eye_separation / 2, 0.0, 0.0]
self.left_sensor.orientation = np.array([0.0, 0.0, 0.0], dtype=float)
self.left_sensor_hfov = math.radians(
int(self.left_sensor.parameters['hfov']))
self.focal_distance = sensor_resolution[0] / (
2 * math.tan(self.left_sensor_hfov / 2))
# Right sensor - # oreo perspective - staring at -ive z
self.right_sensor = habitat_sim.SensorSpec()
self.right_sensor.sensor_type = habitat_sim.SensorType.COLOR
self.right_sensor.resolution = sensor_resolution
self.right_sensor.uuid = "right_rgb_sensor"
self.right_sensor.position = [eye_separation / 2, 0.0, 0.0]
self.right_sensor.orientation = np.array([0.0, 0.0, 0.0], dtype=float)
self.right_sensor_hfov = math.radians(
int(self.right_sensor.parameters['hfov']))
if self.right_sensor_hfov != self.left_sensor_hfov:
print("Warning - Right and Left Sensor widths are not identical!")
# Depth camera - At the origin of the reference coordinate axes (habitat frame)
if depth_camera:
self.num_sensors = 3
self.depth_sensor = habitat_sim.SensorSpec()
self.depth_sensor.sensor_type = habitat_sim.SensorType.DEPTH
self.depth_sensor.resolution = sensor_resolution
self.depth_sensor.uuid = "depth_sensor"
if loc_depth_cam == 'l':
self.depth_sensor.position = self.left_sensor.position
elif loc_depth_cam == 'r':
self.depth_sensor.position = self.right_sensor.position
else:
self.depth_sensor.position = [0.0, 0.0, 0.0]
self.depth_sensor.orientation = np.array([0.0, 0.0, 0.0],
dtype=float)
self.agent_config.sensor_specifications = [
self.right_sensor, self.left_sensor, self.depth_sensor
]
else:
self.num_sensors = 2
self.agent_config.sensor_specifications = [
self.right_sensor, self.left_sensor
]
self.backend_cfg = habitat_sim.SimulatorConfiguration()
if foveation:
self.backend_cfg.foveation_distortion = True
self.backend_cfg.scene.id = scene #This works in older habitat versions
# self.backend_cfg.scene_id = scene #newer versions like the colab install
self.destination = os.path.realpath(result_folder)
if not os.path.isdir(self.destination):
os.makedirs(self.destination)
# Tie the backend of the simulator and the list of agent configurations (only one)
self.sim_configuration = habitat_sim.Configuration(
self.backend_cfg, [self.agent_config])
self.sim = habitat_sim.Simulator(self.sim_configuration)
self.agent_id = self.backend_cfg.default_agent_id
self.agent = self.sim.get_agent(self.agent_id)
self.initial_agent_state = self.agent.get_state()
print(
f"Agent rotation {self.initial_agent_state.rotation} Agent position {self.initial_agent_state.position}"
)
# agent_head_neck_rotation (not a part of habitat api to keep track of head/neck rotation wrt to the agent.
# HabitatAI api agent rotation is not rotation of agent wrt to WCS followed by rotation of head/neck
self.agent_head_neck_rotation = np.quaternion(1, 0, 0, 0)
self.counter = 0 # counter for saccade file numbering
self.filename = self.create_unique_filename(scene)
self.my_images = self.get_sensor_observations()
self.current_saved_image = "empty"
return
def main(display=True):
global cv2
# Only import cv2 if we are doing to display
if display:
import cv2 as _cv2
cv2 = _cv2
cv2.namedWindow("stereo_pair")
backend_cfg = habitat_sim.SimulatorConfiguration()
backend_cfg.scene.id = (
"data/scene_datasets/habitat-test-scenes/skokloster-castle.glb"
)
# First, let's create a stereo RGB agent
left_rgb_sensor = habitat_sim.SensorSpec()
# Give it the uuid of left_sensor, this will also be how we
# index the observations to retrieve the rendering from this sensor
left_rgb_sensor.uuid = "left_sensor"
left_rgb_sensor.resolution = [512, 512]
# The left RGB sensor will be 1.5 meters off the ground
# and 0.25 meters to the left of the center of the agent
left_rgb_sensor.position = 1.5 * habitat_sim.geo.UP + 0.25 * habitat_sim.geo.LEFT
# Same deal with the right sensor
right_rgb_sensor = habitat_sim.SensorSpec()
right_rgb_sensor.uuid = "right_sensor"
right_rgb_sensor.resolution = [512, 512]
# The right RGB sensor will be 1.5 meters off the ground
# and 0.25 meters to the right of the center of the agent
right_rgb_sensor.position = 1.5 * habitat_sim.geo.UP + 0.25 * habitat_sim.geo.RIGHT
agent_config = habitat_sim.AgentConfiguration()
# Now we simly set the agent's list of sensor specs to be the two specs for our two sensors
agent_config.sensor_specifications = [left_rgb_sensor, right_rgb_sensor]
sim = habitat_sim.Simulator(habitat_sim.Configuration(backend_cfg, [agent_config]))
_render(sim, display)
sim.close()
# Now let's do the exact same thing but for a depth camera stereo pair!
left_depth_sensor = habitat_sim.SensorSpec()
left_depth_sensor.uuid = "left_sensor"
left_depth_sensor.resolution = [512, 512]
left_depth_sensor.position = 1.5 * habitat_sim.geo.UP + 0.25 * habitat_sim.geo.LEFT
# The only difference is that we set the sensor type to DEPTH
left_depth_sensor.sensor_type = habitat_sim.SensorType.DEPTH
right_depth_sensor = habitat_sim.SensorSpec()
right_depth_sensor.uuid = "right_sensor"
right_depth_sensor.resolution = [512, 512]
right_depth_sensor.position = (
1.5 * habitat_sim.geo.UP + 0.25 * habitat_sim.geo.RIGHT
)
# The only difference is that we set the sensor type to DEPTH
right_depth_sensor.sensor_type = habitat_sim.SensorType.DEPTH
agent_config = habitat_sim.AgentConfiguration()
agent_config.sensor_specifications = [left_depth_sensor, right_depth_sensor]
sim = habitat_sim.Simulator(habitat_sim.Configuration(backend_cfg, [agent_config]))
_render(sim, display, depth=True)
def main():
# We will define an action that moves the agent and turns it by some amount
# First, define a class to keep the parameters of the control
# @attr.s is just syntatic sugar for creating these data-classes
@attr.s(auto_attribs=True, slots=True)
class MoveAndSpinSpec:
forward_amount: float
spin_amount: float
print(MoveAndSpinSpec(1.0, 45.0))
# Register the control functor
# This action will be an action that effects the body, so body_action=True
@habitat_sim.register_move_fn(body_action=True)
class MoveForwardAndSpin(habitat_sim.SceneNodeControl):
def __call__(self, scene_node: habitat_sim.SceneNode,
actuation_spec: MoveAndSpinSpec):
forward_ax = (np.array(
scene_node.absolute_transformation().rotation_scaling())
@ habitat_sim.geo.FRONT)
scene_node.translate_local(forward_ax *
actuation_spec.forward_amount)
# Rotate about the +y (up) axis
rotation_ax = habitat_sim.geo.UP
scene_node.rotate_local(mn.Deg(actuation_spec.spin_amount),
rotation_ax)
# Calling normalize is needed after rotating to deal with machine precision errors
scene_node.rotation = scene_node.rotation.normalized()
# We can also register the function with a custom name
habitat_sim.register_move_fn(MoveForwardAndSpin,
name="my_custom_name",
body_action=True)
# We can also re-register this function such that it effects just the sensors
habitat_sim.register_move_fn(MoveForwardAndSpin,
name="move_forward_and_spin_sensors",
body_action=False)
# Now we need to add this action to the agent's action space in the configuration!
agent_config = habitat_sim.AgentConfiguration()
_pprint(agent_config.action_space)
# We can add the control function in a bunch of ways
# Note that the name of the action does not need to match the name the control function
# was registered under.
# The habitat_sim.ActionSpec defines an action. The first arguement is the regsitered name
# of the control spec, the second is the parameter spec
agent_config.action_space["fwd_and_spin"] = habitat_sim.ActionSpec(
"move_forward_and_spin", MoveAndSpinSpec(1.0, 45.0))
# Add the sensor version
agent_config.action_space["fwd_and_spin_sensors"] = habitat_sim.ActionSpec(
"move_forward_and_spin_sensors", MoveAndSpinSpec(1.0, 45.0))
# Add the same control with different parameters
agent_config.action_space["fwd_and_spin_double"] = habitat_sim.ActionSpec(
"move_forward_and_spin", MoveAndSpinSpec(2.0, 90.0))
# Use the custom name with an integer name for the action
agent_config.action_space[100] = habitat_sim.ActionSpec(
"my_custom_name", MoveAndSpinSpec(0.1, 1.0))
_pprint(agent_config.action_space)
# Spin up the simulator
backend_cfg = habitat_sim.SimulatorConfiguration()
backend_cfg.scene.id = "data/scene_datasets/habitat-test-scenes/van-gogh-room.glb"
sim = habitat_sim.Simulator(
habitat_sim.Configuration(backend_cfg, [agent_config]))
print(sim.get_agent(0).state)
# Take the new actions!
sim.step("fwd_and_spin")
print(sim.get_agent(0).state)
# Take the new actions!
sim.step("fwd_and_spin_sensors")
print(sim.get_agent(0).state)
sim.step("fwd_and_spin_double")
print(sim.get_agent(0).state)
sim.step(100)
print(sim.get_agent(0).state)
sim.close()
del sim
# Let's define a strafe action!
@attr.s(auto_attribs=True, slots=True)
class StrafeActuationSpec:
forward_amount: float
# Classic strafing is to move perpendicular (90 deg) to the forward direction
strafe_angle: float = 90.0
def _strafe_impl(scene_node: habitat_sim.SceneNode, forward_amount: float,
strafe_angle: float):
forward_ax = (
np.array(scene_node.absolute_transformation().rotation_scaling())
@ habitat_sim.geo.FRONT)
rotation = habitat_sim.utils.quat_from_angle_axis(
np.deg2rad(strafe_angle), habitat_sim.geo.UP)
move_ax = habitat_sim.utils.quat_rotate_vector(rotation, forward_ax)
scene_node.translate_local(move_ax * forward_amount)
@habitat_sim.register_move_fn(body_action=True)
class StrafeLeft(habitat_sim.SceneNodeControl):
def __call__(self, scene_node: habitat_sim.SceneNode,
actuation_spec: StrafeActuationSpec):
_strafe_impl(scene_node, actuation_spec.forward_amount,
actuation_spec.strafe_angle)
@habitat_sim.register_move_fn(body_action=True)
class StrafeRight(habitat_sim.SceneNodeControl):
def __call__(self, scene_node: habitat_sim.SceneNode,
actuation_spec: StrafeActuationSpec):
_strafe_impl(scene_node, actuation_spec.forward_amount,
-actuation_spec.strafe_angle)
agent_config = habitat_sim.AgentConfiguration()
agent_config.action_space["strafe_left"] = habitat_sim.ActionSpec(
"strafe_left", StrafeActuationSpec(0.25))
agent_config.action_space["strafe_right"] = habitat_sim.ActionSpec(
"strafe_right", StrafeActuationSpec(0.25))
sim = habitat_sim.Simulator(
habitat_sim.Configuration(backend_cfg, [agent_config]))
print(sim.get_agent(0).state)
sim.step("strafe_left")
print(sim.get_agent(0).state)
sim.step("strafe_right")
print(sim.get_agent(0).state)
def create_sim_config(
self, _sensor_suite: SensorSuite) -> habitat_sim.Configuration:
sim_config = habitat_sim.SimulatorConfiguration()
# Check if Habitat-Sim is post Scene Config Update
if not hasattr(sim_config, "scene_id"):
raise RuntimeError(
"Incompatible version of Habitat-Sim detected, please upgrade habitat_sim"
)
overwrite_config(
config_from=self.habitat_config.HABITAT_SIM_V0,
config_to=sim_config,
# Ignore key as it gets propogated to sensor below
ignore_keys={"gpu_gpu"},
)
sim_config.scene_id = self.habitat_config.SCENE
agent_config = habitat_sim.AgentConfiguration()
overwrite_config(
config_from=self._get_agent_config(),
config_to=agent_config,
# These keys are only used by Hab-Lab
ignore_keys={
"is_set_start_state",
# This is the Sensor Config. Unpacked below
"sensors",
"start_position",
"start_rotation",
},
)
sensor_specifications = []
VisualSensorTypeSet = {
habitat_sim.SensorType.COLOR,
habitat_sim.SensorType.DEPTH,
habitat_sim.SensorType.SEMANTIC,
}
CameraSensorSubTypeSet = {
habitat_sim.SensorSubType.PINHOLE,
habitat_sim.SensorSubType.ORTHOGRAPHIC,
}
for sensor in _sensor_suite.sensors.values():
# Check if type VisualSensorSpec, we know that Sensor is one of HabitatSimRGBSensor, HabitatSimDepthSensor, HabitatSimSemanticSensor
if (getattr(sensor, "sim_sensor_type", [])
not in VisualSensorTypeSet):
raise ValueError(
f"""{getattr(sensor, "sim_sensor_type", [])} is an illegal sensorType that is not implemented yet"""
)
# Check if type CameraSensorSpec
if (getattr(sensor, "sim_sensor_subtype", [])
not in CameraSensorSubTypeSet):
raise ValueError(
f"""{getattr(sensor, "sim_sensor_subtype", [])} is an illegal sensorSubType for a VisualSensor"""
)
# TODO: Implement checks for other types of SensorSpecs
sim_sensor_cfg = habitat_sim.CameraSensorSpec()
# TODO Handle configs for custom VisualSensors that might need
# their own ignore_keys. Maybe with special key / checking
# SensorType
overwrite_config(
config_from=sensor.config,
config_to=sim_sensor_cfg,
# These keys are only used by Hab-Lab
# or translated into the sensor config manually
ignore_keys={
"height",
"hfov",
"max_depth",
"min_depth",
"normalize_depth",
"type",
"width",
},
)
sim_sensor_cfg.uuid = sensor.uuid
sim_sensor_cfg.resolution = list(
sensor.observation_space.shape[:2])
# TODO(maksymets): Add configure method to Sensor API to avoid
# accessing child attributes through parent interface
# We know that the Sensor has to be one of these Sensors
sensor = cast(HabitatSimVizSensors, sensor)
sim_sensor_cfg.sensor_type = sensor.sim_sensor_type
sim_sensor_cfg.sensor_subtype = sensor.sim_sensor_subtype
sim_sensor_cfg.gpu2gpu_transfer = (
self.habitat_config.HABITAT_SIM_V0.GPU_GPU)
sensor_specifications.append(sim_sensor_cfg)
agent_config.sensor_specifications = sensor_specifications
agent_config.action_space = registry.get_action_space_configuration(
self.habitat_config.ACTION_SPACE_CONFIG)(
self.habitat_config).get()
return habitat_sim.Configuration(sim_config, [agent_config])
