import tensorflow as tf from data.utils import clean_task_instruction, euler_to_rotation_matrix, rotation_matrix_to_ortho6d def process_step(step: dict) -> dict: """ Unify the action format and clean the task instruction. DO NOT use python list, use tf.TensorArray instead. """ # Convert raw action to our action action_dict = step['action'] # Robot action # eef_pos = action_dict['ee_pos'][:3] # eef_ang = action_dict['ee_pos'][3:6] # eef_ang = euler_to_rotation_matrix(eef_ang) # eef_ang = rotation_matrix_to_ortho6d(eef_ang) eef_pos_vel = action_dict[:3] eef_ang_vel = action_dict[3:6] # joint_pos = action_dict['joint_pos'][:-1] # joint_vel = action_dict['delta_joint'][:-1] grip_pos = 1 - tf.clip_by_value(action_dict[-1:], 0, 1) # grip_vel = action_dict['gripper_velocity'] # Concatenate the action step['action'] = {} action = step['action'] arm_action = tf.concat([eef_pos_vel, eef_ang_vel, grip_pos], axis=0) action['arm_concat'] = arm_action # action['terminate'] = step['is_terminal'] # Write the action format action['format'] = tf.constant( "eef_vel_x,eef_vel_y,eef_vel_z,eef_angular_vel_roll,eef_angular_vel_pitch,eef_angular_vel_yaw,gripper_joint_0_pos") # Convert raw state to our state # Robot state state = step['observation'] # print(state.keys()) # image = step['observation']['image'] eef_pos = state['state'][:3] eef_ang = state['state'][3:6] eef_ang = euler_to_rotation_matrix(eef_ang) eef_ang = rotation_matrix_to_ortho6d(eef_ang) # joint_pos = state['joint_pos'][:-1] grip_pos = state['state'][-2:] # Concatenate the state state['arm_concat'] = tf.concat([ grip_pos,eef_pos,eef_ang], axis=0) # Write the state format state['format'] = tf.constant( "gripper_joint_0_pos,gripper_joint_1_pos,eef_pos_x,eef_pos_y,eef_pos_z,eef_angle_0,eef_angle_1,eef_angle_2,eef_angle_3,eef_angle_4,eef_angle_5") # Clean the task instruction # Define the replacements (old, new) as a dictionary replacements = { '_': ' ', '1f': ' ', '4f': ' ', '-': ' ', '50': ' ', '55': ' ', '56': ' ', } instr = step['language_instruction'] # instr = clean_task_instruction(instr, replacements) step['observation'] = state step['observation']['natural_language_instruction'] = instr return step if __name__ == "__main__": pass