{
  "source": {
    "dataset": "2025 TIGER/Line All Lines (Edges), Providence County, Rhode Island (FIPS 44007)",
    "publisher": "U.S. Census Bureau",
    "url": "https://www2.census.gov/geo/tiger/TIGER2025/EDGES/tl_2025_44007_edges.zip",
    "sha256": "1b8000aeb695d53e3a50754953a7d70f567a4f57bc0a427f31179e7998579355",
    "release_date": "2025-09-23",
    "documentation": "https://www.census.gov/geographies/mapping-files/2025/geo/tiger-line-file.html",
    "legal_and_citation": "https://www2.census.gov/geo/pdfs/maps-data/data/tiger/tgrshp2025/TGRSHP2025_TechDoc_Ch1.pdf"
  },
  "transform": {
    "bbox_wgs84": [
      -71.48,
      41.79,
      -71.34,
      41.8585
    ],
    "view_box": [
      1100,
      720
    ],
    "filters": {
      "ROADFLG": "Y",
      "MTFCC": [
        "S1100",
        "S1200",
        "S1400",
        "S1500",
        "S1630"
      ]
    },
    "projection": "Local linear WGS84 display transform within the pinned bounding box",
    "simplification": "Ramer-Douglas-Peucker, 0.5 SVG px and whole-pixel display quantization for the street network; route edge geometry is not simplified",
    "route_method": "Two-path deterministic graph circuits with a 45x cross-route and return-path reuse penalty",
    "display_treatment": "All five routes render as complete street-valid patrol circuits; interactive unit markers are layered live above route geometry",
    "route_seeds_normalized": [
      [
        [
          0.1,
          0.3
        ],
        [
          0.3,
          0.18
        ]
      ],
      [
        [
          0.43,
          0.21
        ],
        [
          0.61,
          0.33
        ]
      ],
      [
        [
          0.35,
          0.66
        ],
        [
          0.56,
          0.82
        ]
      ],
      [
        [
          0.06,
          0.59
        ],
        [
          0.26,
          0.82
        ]
      ],
      [
        [
          0.7,
          0.4
        ],
        [
          0.94,
          0.68
        ]
      ]
    ],
    "interactive_routes": "Precomputed hotspot-candidate, dispatch, and post-call resume paths for the authored public shift",
    "labels": "Street names omitted; unit letters are anchored to exact route vertices"
  },
  "outputs": {
    "coverage-network.svg": "de95e9c2fcf7f83a192efa7d8175fd1d43a51c358a6956223dd975689ae846f0",
    "coverage-network-dark.svg": "a38d6af036d3eaecc52ca99b88abf30e4f24c4e3cb35acbef41c4bd02f380834",
    "coverage-network-dark-static.svg": "a04e665397747b66bb8be34afb27c21a8125f5e315ed1f78b6903495c25cd6d5",
    "coverage-network-static.svg": "d1f22b43ed6b4098313cccfbadea31780601ed564e5d2c29073f9d3e9e5f92f2",
    "route-network-light.svg": "8a0e1cbaf4430188abd0f280b05e4877752eb4df32df20b446d1086ecf7d1b67",
    "route-network-dark.svg": "af717f015f31d006131c0184ffdf3f4a12bd2f6a5deb358f9bdc06c96ae4cfb6"
  },
  "demo_output": {
    "path": "assets/js/demo-map-data.js",
    "sha256": "80b5c3def700075b2162118a6a4f2bb51e7a4cbf9f175c4744905f4418a02ca9"
  },
  "notice": "TIGER/Line is a registered trademark of the U.S. Census Bureau. Census street geometry is used for public product demonstration and is not a legal land description."
}