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Merge pull request dexsuite#15 from xbkaishui/add-demo
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add realtime camera display
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yzqin authored May 31, 2024
2 parents 5a839bf + 233d67d commit 1c27155
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190 changes: 190 additions & 0 deletions example/vector_retargeting/realtime_capture_show.py
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from pathlib import Path
import multiprocessing
import time
import cv2
from loguru import logger
import numpy as np
import sapien
from sapien.asset import create_dome_envmap
from sapien.utils import Viewer

from dex_retargeting.constants import RobotName, RetargetingType, HandType, get_default_config_path
from dex_retargeting.retargeting_config import RetargetingConfig
from dex_retargeting.seq_retarget import SeqRetargeting
from single_hand_detector import SingleHandDetector


def start_retargeting(queue: multiprocessing.Queue, robot_dir:str, config_path: str, robot_name:str):
RetargetingConfig.set_default_urdf_dir(str(robot_dir))
logger.info(f"Start retargeting with config {config_path}")
retargeting = RetargetingConfig.load_from_file(config_path).build()
detector = SingleHandDetector(hand_type="Right", selfie=False)

# init show ui
meta_data = {
"dof": len(retargeting.optimizer.robot.dof_joint_names),
"joint_names":retargeting.optimizer.robot.dof_joint_names,
}

headless = False
if not headless:
sapien.render.set_viewer_shader_dir("default")
sapien.render.set_camera_shader_dir("default")
else:
sapien.render.set_viewer_shader_dir("rt")
sapien.render.set_camera_shader_dir("rt")
sapien.render.set_ray_tracing_samples_per_pixel(16)
sapien.render.set_ray_tracing_path_depth(8)
sapien.render.set_ray_tracing_denoiser("oidn")

config = RetargetingConfig.load_from_file(config_path)

# Setup
scene = sapien.Scene()

# Ground
render_mat = sapien.render.RenderMaterial()
render_mat.base_color = [0.06, 0.08, 0.12, 1]
render_mat.metallic = 0.0
render_mat.roughness = 0.9
render_mat.specular = 0.8
scene.add_ground(-0.2, render_material=render_mat, render_half_size=[1000, 1000])

# Lighting
scene.add_directional_light(np.array([1, 1, -1]), np.array([3, 3, 3]))
scene.add_point_light(np.array([2, 2, 2]), np.array([2, 2, 2]), shadow=False)
scene.add_point_light(np.array([2, -2, 2]), np.array([2, 2, 2]), shadow=False)
scene.set_environment_map(create_dome_envmap(sky_color=[0.2, 0.2, 0.2], ground_color=[0.2, 0.2, 0.2]))
scene.add_area_light_for_ray_tracing(sapien.Pose([2, 1, 2], [0.707, 0, 0.707, 0]), np.array([1, 1, 1]), 5, 5)

# Camera
cam = scene.add_camera(name="Cheese!", width=600, height=600, fovy=1, near=0.1, far=10)
cam.set_local_pose(sapien.Pose([0.50, 0, 0.0], [0, 0, 0, -1]))


viewer = Viewer()
viewer.set_scene(scene)
viewer.control_window.show_origin_frame = False
viewer.control_window.move_speed = 0.01
viewer.control_window.toggle_camera_lines(False)
viewer.set_camera_pose(cam.get_local_pose())

# Load robot and set it to a good pose to take picture
loader = scene.create_urdf_loader()
filepath = Path(config.urdf_path)
robot_name = filepath.stem
loader.load_multiple_collisions_from_file = True
if "ability" in robot_name:
loader.scale = 1.5
elif "dclaw" in robot_name:
loader.scale = 1.25
elif "allegro" in robot_name:
loader.scale = 1.4
elif "shadow" in robot_name:
loader.scale = 0.9
elif "bhand" in robot_name:
loader.scale = 1.5
elif "leap" in robot_name:
loader.scale = 1.4
elif "svh" in robot_name:
loader.scale = 1.5


if "glb" not in robot_name:
filepath = str(filepath).replace(".urdf", "_glb.urdf")
else:
filepath = str(filepath)

robot = loader.load(filepath)

if "ability" in robot_name:
robot.set_pose(sapien.Pose([0, 0, -0.15]))
elif "shadow" in robot_name:
robot.set_pose(sapien.Pose([0, 0, -0.2]))
elif "dclaw" in robot_name:
robot.set_pose(sapien.Pose([0, 0, -0.15]))
elif "allegro" in robot_name:
robot.set_pose(sapien.Pose([0, 0, -0.05]))
elif "bhand" in robot_name:
robot.set_pose(sapien.Pose([0, 0, -0.2]))
elif "leap" in robot_name:
robot.set_pose(sapien.Pose([0, 0, -0.15]))
elif "svh" in robot_name:
robot.set_pose(sapien.Pose([0, 0, -0.13]))

# Different robot loader may have different orders for joints
sapien_joint_names = [joint.get_name() for joint in robot.get_active_joints()]
retargeting_joint_names = meta_data["joint_names"]
retargeting_to_sapien = np.array([retargeting_joint_names.index(name) for name in sapien_joint_names]).astype(int)

for _ in range(2):
viewer.render()

while True:
rgb = queue.get()
if rgb is None:
time.sleep(.1)
continue

_, joint_pos, _, _ = detector.detect(rgb)
logger.info("join pos {}", joint_pos)
if joint_pos is None:
continue

retargeting_type = retargeting.optimizer.retargeting_type
indices = retargeting.optimizer.target_link_human_indices
if retargeting_type == "POSITION":
indices = indices
ref_value = joint_pos[indices, :]
else:
origin_indices = indices[0, :]
task_indices = indices[1, :]
ref_value = joint_pos[task_indices, :] - joint_pos[origin_indices, :]
qpos = retargeting.retarget(ref_value)
logger.info(f"qpos {qpos}")
robot.set_qpos((qpos)[retargeting_to_sapien])

for _ in range(2):
viewer.render()


def produce_frame(queue: multiprocessing.Queue):
cap = cv2.VideoCapture(0)
while cap.isOpened():
success, image = cap.read()
if not success:
continue
frame = image
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
queue.put(image)
time.sleep(.2)
cv2.imshow('demo', frame)

if cv2.waitKey(1) & 0xFF == ord('q'):
break


def main():
robot_name: RobotName = RobotName.allegro
retargeting_type: RetargetingType = RetargetingType.vector
hand_type: HandType = HandType.right

config_path = get_default_config_path(robot_name, retargeting_type, hand_type)
robot_dir = Path(__file__).absolute().parent.parent.parent / "assets" / "robots" / "hands"

queue = multiprocessing.Queue(maxsize=1000)
producer_process = multiprocessing.Process(target=produce_frame, args=(queue,))
consumer_process = multiprocessing.Process(target=start_retargeting, args=(queue, str(robot_dir), str(config_path), robot_name))

producer_process.start()
consumer_process.start()

producer_process.join()
consumer_process.join()
time.sleep(5)

print("done")


if __name__ == '__main__':
main()
1 change: 1 addition & 0 deletions setup.py
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"anytree",
"pyyaml",
"lxml",
"loguru",
]

# Check whether you have torch installed
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