Analyze Ground Zero shoreline requirements

2026-05-14 05:53:53 -07:00
parent e9896cdce1
commit fcb3d18b0c
4 changed files with 242 additions and 2 deletions
@@ -0,0 +1,74 @@
+{
+  "schema_version": 1,
+  "tile_id": "gz_us_ca_pacifica_utm10n_e544_n4160",
+  "generated_at_utc": "2026-05-14T12:52:25Z",
+  "source_dem": "Data/Terrain/Extracted/gz_us_ca_pacifica_utm10n_e544_n4160/gz_us_ca_pacifica_utm10n_e544_n4160_1m_dem_subset.tif",
+  "thresholds": {
+    "sea_level_m": 0.0,
+    "shoreline_buffer_m": 2.0,
+    "low_coastal_buffer_m": 5.0
+  },
+  "elevation_summary": {
+    "sample_count": 1000000,
+    "min_elevation_m": 3.1603012084960938,
+    "max_elevation_m": 96.50570678710938,
+    "mean_elevation_m": 18.240529416484833,
+    "sea_level_or_below_samples": 0,
+    "near_sea_level_samples": 0,
+    "low_coastal_samples": 57812,
+    "sea_level_or_below_percent": 0.0,
+    "near_sea_level_percent": 0.0,
+    "low_coastal_percent": 5.7812
+  },
+  "edge_summary": {
+    "north": {
+      "sample_count": 10000,
+      "min_elevation_m": 3.1603012084960938,
+      "max_elevation_m": 37.224822998046875,
+      "mean_elevation_m": 19.415938945102692,
+      "sea_level_or_below_samples": 0,
+      "near_sea_level_samples": 0,
+      "low_coastal_samples": 2710
+    },
+    "south": {
+      "sample_count": 10000,
+      "min_elevation_m": 11.210755348205566,
+      "max_elevation_m": 57.378944396972656,
+      "mean_elevation_m": 19.908063950920106,
+      "sea_level_or_below_samples": 0,
+      "near_sea_level_samples": 0,
+      "low_coastal_samples": 0
+    },
+    "west": {
+      "sample_count": 10000,
+      "min_elevation_m": 3.5281026363372803,
+      "max_elevation_m": 59.69044876098633,
+      "mean_elevation_m": 15.149734993314743,
+      "sea_level_or_below_samples": 0,
+      "near_sea_level_samples": 0,
+      "low_coastal_samples": 2892
+    },
+    "east": {
+      "sample_count": 10000,
+      "min_elevation_m": 24.61846351623535,
+      "max_elevation_m": 96.50570678710938,
+      "mean_elevation_m": 59.40558109054565,
+      "sea_level_or_below_samples": 0,
+      "near_sea_level_samples": 0,
+      "low_coastal_samples": 0
+    }
+  },
+  "classification": {
+    "contains_open_water": false,
+    "contains_shoreline": false,
+    "water_depth_required_for_mvp_tile": false,
+    "shoreline_mesh_required_for_mvp_tile": false,
+    "freshwater_source_required_for_gameplay": true,
+    "recommended_first_pass": "No ocean/shoreline actor required inside the current Ground Zero tile. Add a small freshwater source for gameplay separately, and defer ocean/bathymetry work to west/southwest neighbor coastal tiles."
+  },
+  "notes": [
+    "This analysis uses the extracted 1-meter USGS DEM for the selected 1 km tile.",
+    "The selected Ground Zero tile is coastal-influenced but the DEM minimum is above sea level.",
+    "Ocean depth/bathymetry remains required for adjacent coastal/ocean tiles before multi-tile expansion."
+  ]
+}