114 lines
4.5 KiB
Python
114 lines
4.5 KiB
Python
# target_simulator/gui/ppi_adapter.py
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from typing import Dict, List, Optional
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import math
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from target_simulator.core.models import Target
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from target_simulator.analysis.simulation_state_hub import SimulationStateHub
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def build_display_data(
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simulation_hub: SimulationStateHub,
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scenario: Optional['Scenario'] = None,
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engine: Optional['SimulationEngine'] = None,
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ppi_widget: Optional['PPIDisplay'] = None,
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logger: Optional['Logger'] = None,
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) -> Dict[str, List[Target]]:
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"""
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Builds PPI display data from the simulation hub, converting absolute
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'real' coordinates to relative coordinates based on the ownship's position.
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Returns a dict with keys 'simulated' and 'real' containing lightweight
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Target objects suitable for passing to PPIDisplay.
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"""
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simulated_targets_for_ppi: List[Target] = []
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real_targets_for_ppi: List[Target] = []
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if not simulation_hub:
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return {"simulated": [], "real": []}
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# Get ownship state for coordinate transformation
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ownship_state = simulation_hub.get_ownship_state()
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ownship_pos_xy_ft = ownship_state.get("position_xy_ft")
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target_ids = simulation_hub.get_all_target_ids()
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for tid in target_ids:
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history = simulation_hub.get_target_history(tid)
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if not history:
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continue
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# --- Process Simulated Data (assumed to be relative) ---
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if history.get("simulated"):
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# Simulated data is generated relative to (0,0), so no transformation is needed.
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last_sim_state = history["simulated"][-1]
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_ts, x_ft, y_ft, z_ft = last_sim_state
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sim_target = Target(target_id=tid, trajectory=[])
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setattr(sim_target, "_pos_x_ft", x_ft)
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setattr(sim_target, "_pos_y_ft", y_ft)
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setattr(sim_target, "_pos_z_ft", z_ft)
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sim_target._update_current_polar_coords()
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# Preserve heading information from the engine/scenario if available
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try:
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heading = None
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if engine and getattr(engine, "scenario", None):
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t = engine.scenario.get_target(tid)
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if t:
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heading = getattr(t, "current_heading_deg", None)
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if heading is None and scenario:
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t2 = scenario.get_target(tid)
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if t2:
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heading = getattr(t2, "current_heading_deg", None)
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if heading is not None:
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sim_target.current_heading_deg = float(heading)
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except Exception:
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pass
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# Preserve active flag
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sim_target.active = True
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if engine and getattr(engine, "scenario", None):
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t_engine = engine.scenario.get_target(tid)
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if t_engine is not None:
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sim_target.active = bool(getattr(t_engine, "active", True))
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simulated_targets_for_ppi.append(sim_target)
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# --- Process Real Data (transforming from absolute to relative) ---
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if history.get("real"):
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last_real_state = history["real"][-1]
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_ts, abs_x_ft, abs_y_ft, abs_z_ft = last_real_state
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rel_x_ft, rel_y_ft = abs_x_ft, abs_y_ft
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if ownship_pos_xy_ft:
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# Calculate position relative to the ownship
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rel_x_ft = abs_x_ft - ownship_pos_xy_ft[0]
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rel_y_ft = abs_y_ft - ownship_pos_xy_ft[1]
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# The z-coordinate (altitude) is typically absolute, but for display
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# we can treat it as relative to the ownship's altitude.
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ownship_alt_ft = ownship_state.get("altitude_ft", 0.0)
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rel_z_ft = abs_z_ft - ownship_alt_ft
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real_target = Target(target_id=tid, trajectory=[])
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setattr(real_target, "_pos_x_ft", rel_x_ft)
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setattr(real_target, "_pos_y_ft", rel_y_ft)
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setattr(real_target, "_pos_z_ft", rel_z_ft)
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real_target._update_current_polar_coords()
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# Copy last-known heading if hub provides it
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hdg = simulation_hub.get_real_heading(tid)
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if hdg is not None:
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real_target.current_heading_deg = float(hdg) % 360
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real_target.active = True
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real_targets_for_ppi.append(real_target)
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if logger:
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logger.debug(
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"PPI Adapter: Built display data (simulated=%d, real=%d)",
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len(simulated_targets_for_ppi),
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len(real_targets_for_ppi),
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)
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return {"simulated": simulated_targets_for_ppi, "real": real_targets_for_ppi} |