v0.1.5
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@@ -1,3 +1,5 @@
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import numpy as np
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from robogauge.tasks.robots import RobotConfig
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from robogauge.tasks.simulator.sim_data import SimData
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@@ -18,26 +20,51 @@ def dof_limits_metric(
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sim_data: SimData,
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robot_cfg: RobotConfig,
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soft_dof_limit_ratio: float = 0.9,
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dof_names: list = None,
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**kwargs
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) -> float:
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""" Metric to log DOF limit violations. """
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mean_value = 0.0
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values = []
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for i in range(len(sim_data.proprio.joint.limits)):
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lower_limit = sim_data.proprio.joint.limits[i, 0]
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upper_limit = sim_data.proprio.joint.limits[i, 1]
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dof_range = upper_limit - lower_limit
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soft_lower_limit = lower_limit + soft_dof_limit_ratio * dof_range
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soft_upper_limit = upper_limit - soft_dof_limit_ratio * dof_range
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soft_lower_limit = lower_limit + (1 - soft_dof_limit_ratio) * dof_range
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soft_upper_limit = upper_limit - (1 - soft_dof_limit_ratio) * dof_range
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pos = sim_data.proprio.joint.pos[i]
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dof_name = sim_data.proprio.joint.names[i]
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value = 0
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if pos < soft_lower_limit:
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value = soft_lower_limit - pos
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elif pos > soft_upper_limit:
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value = pos - soft_upper_limit
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value /= dof_range # Normalize by DOF range
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logger.log(value, f'dof_limits/{i}', step=sim_data.n_step)
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mean_value += value
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mean_value /= len(sim_data.proprio.joint.limits)
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logger.log(mean_value, f'dof_limits/mean', step=sim_data.n_step)
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return mean_value
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logger.log(value, f'dof_limits/{dof_name}', step=sim_data.n_step)
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if dof_names is not None:
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for use_name in dof_names:
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if use_name in dof_name:
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values.append(value)
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else:
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values.append(value)
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rms_value = 1 - np.sqrt(np.mean(np.square(values)))
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logger.log(1 - rms_value, f'dof_limits/rms', step=sim_data.n_step)
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return rms_value
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def visualization_metric(
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sim_data: SimData,
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robot_cfg: RobotConfig,
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dof_force: bool = False,
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dof_pos: bool = False,
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**kwargs,
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):
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""" Metric to visualize various robot states in the simulator. """
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for i in range(len(sim_data.proprio.joint.force)):
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name = sim_data.proprio.joint.names[i]
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if dof_force:
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force = sim_data.proprio.joint.force[i]
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logger.log(force, f'dof_force/{name}', step=sim_data.n_step)
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if dof_pos:
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pos = sim_data.proprio.joint.pos[i]
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logger.log(pos, f'dof_pos/{name}', step=sim_data.n_step)
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return 0.0
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