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from dataclasses import dataclass


@dataclass
class FGLRConfig:
    means: float = 1.6e-4
    opacities: float = 1e-2
    scales: float = 5e-3
    quats: float = 1e-3
    colors: float = 1e-2
    motion_coefs: float = 1e-2


@dataclass
class BGLRConfig:
    means: float = 1.6e-4
    opacities: float = 5e-2
    scales: float = 5e-3
    quats: float = 1e-3
    colors: float = 1e-2


@dataclass
class MotionLRConfig:
    rots: float = 1.6e-4
    transls: float = 1.6e-4


@dataclass
class SceneLRConfig:
    fg: FGLRConfig
    bg: BGLRConfig
    motion_bases: MotionLRConfig


@dataclass
class LossesConfig:
    w_rgb: float = 1.0
    w_depth_reg: float = 0.5
    w_depth_const: float = 0.1
    w_depth_grad: float = 1
    w_track: float = 2.0
    w_mask: float = 1.0
    w_smooth_bases: float = 0.1
    w_smooth_tracks: float = 2.0
    w_scale_var: float = 0.01
    w_z_accel: float = 1.0


@dataclass
class OptimizerConfig:
    max_steps: int = 5000
    ## Adaptive gaussian control
    warmup_steps: int = 200
    control_every: int = 100
    reset_opacity_every_n_controls: int = 30
    stop_control_by_screen_steps: int = 4000
    stop_control_steps: int = 4000
    ### Densify.
    densify_xys_grad_threshold: float = 0.0002
    densify_scale_threshold: float = 0.01
    densify_screen_threshold: float = 0.05
    stop_densify_steps: int = 15000
    ### Cull.
    cull_opacity_threshold: float = 0.1
    cull_scale_threshold: float = 0.5
    cull_screen_threshold: float = 0.15