File size: 6,027 Bytes
d2e6f94 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | from __future__ import annotations
import csv
import json
import sys
from datetime import datetime, timezone
from pathlib import Path
from typing import Any
PROJECT_ROOT = Path(__file__).resolve().parents[1]
if str(PROJECT_ROOT) not in sys.path:
sys.path.insert(0, str(PROJECT_ROOT))
from config import load_settings
from grid_map.atlas_builder import empty_atlas
from grid_map.storage import write_json
from grid_map.validator import validate_graph
LAYERS = {
"normal": "normal_cv_out",
"taxi": "taxi_cv_out",
"bus": "bus_cv_out",
"subway": "subway_cv_out",
}
TRANSPORT_LAYERS = ("taxi", "bus", "subway")
def main() -> None:
settings = load_settings()
layer_graphs = {layer: _read_graph(settings.raw_maps_dir / folder / "graph.json") for layer, folder in LAYERS.items()}
normal_junctions = _read_junctions(settings.raw_maps_dir / LAYERS["normal"] / "junctions.csv")
registry = build_junction_registry(normal_junctions, layer_graphs)
game_graph = build_game_graph(registry, layer_graphs)
errors = validate_graph(game_graph)
if errors:
raise SystemExit("\n".join(errors))
metadata = build_metadata(settings.raw_maps_dir, layer_graphs)
write_json(settings.junction_registry_path, registry)
write_json(settings.game_graph_path, game_graph)
write_json(settings.map_metadata_path, metadata)
if not settings.map_atlas_path.exists():
write_json(settings.map_atlas_path, empty_atlas())
print(f"Wrote {settings.junction_registry_path}")
print(f"Wrote {settings.game_graph_path}")
print(f"Wrote {settings.map_metadata_path}")
print(f"Atlas ready at {settings.map_atlas_path}")
def _read_graph(path: Path) -> dict[str, Any]:
with path.open("r", encoding="utf-8") as handle:
return json.load(handle)
def _read_junctions(path: Path) -> dict[int, dict[str, Any]]:
junctions: dict[int, dict[str, Any]] = {}
with path.open("r", encoding="utf-8", newline="") as handle:
for row in csv.DictReader(handle):
junction_id = int(row["id"])
junctions[junction_id] = {
"id": junction_id,
"x": int(float(row["x"])),
"y": int(float(row["y"])),
"radius": int(float(row["radius"])),
"neighbors": [int(value) for value in row.get("neighbors", "").split() if value],
}
return junctions
def build_junction_registry(normal_junctions: dict[int, dict[str, Any]], layer_graphs: dict[str, dict]) -> dict[str, Any]:
modes_by_junction: dict[int, set[str]] = {junction_id: set() for junction_id in normal_junctions}
for layer, graph in layer_graphs.items():
for node in graph.get("nodes", []):
modes_by_junction.setdefault(int(node["id"]), set()).add(layer)
junctions = []
for junction_id, data in sorted(normal_junctions.items()):
junctions.append(
{
"id": junction_id,
"x": data["x"],
"y": data["y"],
"radius": data["radius"],
"base_neighbors": data["neighbors"],
"layers_present": sorted(modes_by_junction.get(junction_id, [])),
"nearest_landmarks": [],
"district": None,
}
)
return {"schema_version": 1, "junctions": junctions}
def build_game_graph(registry: dict[str, Any], layer_graphs: dict[str, dict]) -> dict[str, Any]:
edge_modes: dict[tuple[int, int], set[str]] = {}
for layer in TRANSPORT_LAYERS:
for edge in layer_graphs[layer].get("edges", []):
source = int(edge["source"])
target = int(edge["target"])
key = tuple(sorted((source, target)))
edge_modes.setdefault(key, set()).add(layer)
edges = [
{"source": source, "target": target, "modes": sorted(modes)}
for (source, target), modes in sorted(edge_modes.items())
]
adjacency: dict[str, list[dict[str, Any]]] = {}
for edge in edges:
source = edge["source"]
target = edge["target"]
adjacency.setdefault(str(source), []).append({"destination": target, "modes": edge["modes"]})
adjacency.setdefault(str(target), []).append({"destination": source, "modes": edge["modes"]})
nodes = [
{
"id": junction["id"],
"x": junction["x"],
"y": junction["y"],
"radius": junction["radius"],
}
for junction in registry["junctions"]
]
return {"schema_version": 1, "nodes": nodes, "edges": edges, "adjacency": adjacency}
def build_metadata(raw_maps_dir: Path, layer_graphs: dict[str, dict]) -> dict[str, Any]:
def portable(path: Path) -> str:
return str(path.relative_to(PROJECT_ROOT))
return {
"schema_version": 1,
"generated_at": datetime.now(timezone.utc).isoformat(),
"images": {layer: portable(_display_image_for_layer(raw_maps_dir, layer)) for layer in LAYERS},
"source_images": {
"normal": portable(raw_maps_dir / "images" / "normal.png"),
"taxi": portable(raw_maps_dir / "images" / "taxi.png"),
"bus": portable(raw_maps_dir / "images" / "bus.png"),
"subway": portable(raw_maps_dir / "images" / "subway.png"),
},
"layers": {
layer: {
"folder": portable(raw_maps_dir / LAYERS[layer]),
"node_count": len(graph.get("nodes", [])),
"edge_count": len(graph.get("edges", [])),
}
for layer, graph in layer_graphs.items()
},
}
def _display_image_for_layer(raw_maps_dir: Path, layer: str) -> Path:
folder = raw_maps_dir / LAYERS[layer]
for candidate in (folder / "graph_on_map.png", folder / "junctions_labelled.png", raw_maps_dir / "images" / f"{layer}.png"):
if candidate.exists():
return candidate
return raw_maps_dir / "images" / f"{layer}.png"
if __name__ == "__main__":
main()
|