{
	"rules": {
		"web_mapping": {
			"primary": "EPSG:3857",
			"alternatives": ["EPSG:4326"],
			"fallback": "EPSG:4269",
			"reasoning": "Web Mercator (EPSG:3857) is the de facto standard for web mapping tiles. Use WGS84 (EPSG:4326) for GeoJSON data exchange.",
			"pros": [
				"Universal web map tile compatibility",
				"Consistent with Google Maps, OpenStreetMap, etc."
			],
			"cons": [
				"Significant area and distance distortion, especially at high latitudes",
				"Not suitable for measurements"
			],
			"warnings": ["Do not use Web Mercator for area or distance calculations"]
		},
		"distance_calculation": {
			"primary": "State Plane Coordinate System",
			"alternatives": ["UTM zones"],
			"fallback": "EPSG:5070",
			"reasoning": "State Plane zones provide highest accuracy for local distance calculations. UTM zones are a good alternative for cross-state work.",
			"pros": ["Minimal distance distortion within zone", "Survey-grade accuracy"],
			"cons": [
				"Limited geographic extent per zone",
				"Cross-zone calculations require transformations"
			],
			"codePattern": "State Plane or UTM",
			"usesZoneMapping": true
		},
		"area_calculation": {
			"primary": "EPSG:5070",
			"alternatives": ["EPSG:6350"],
			"fallback": "State Plane zones",
			"reasoning": "Conus Albers is an equal-area projection ideal for area calculations across the continental US. For local work, State Plane zones are suitable.",
			"pros": ["Preserves area accurately across CONUS", "Single projection for all 48 states"],
			"cons": ["Introduces shape and distance distortion", "Not suitable for Alaska or Hawaii"],
			"warnings": ["For Alaska or Hawaii, use appropriate UTM zones or state-specific projections"]
		},
		"survey": {
			"primary": "State Plane Coordinate System",
			"alternatives": ["NAD83(2011) State Plane zones"],
			"fallback": "EPSG:6318",
			"reasoning": "State Plane Coordinate System is the official system for US land surveying. Use NAD83(2011) based zones for new surveys.",
			"pros": [
				"Official survey standard in the United States",
				"High accuracy within zone boundaries",
				"Widely used by government agencies"
			],
			"cons": ["Multiple zones per state in some areas", "Zone boundaries add complexity"],
			"codePattern": "SPCS",
			"usesZoneMapping": true
		},
		"navigation": {
			"primary": "EPSG:4326",
			"alternatives": ["EPSG:4269"],
			"fallback": "EPSG:4326",
			"reasoning": "WGS84 is the standard for GPS/GNSS navigation worldwide. NAD83 is practically equivalent for most navigation purposes.",
			"pros": ["Universal GPS compatibility", "Direct use of GNSS coordinates"],
			"cons": ["Geographic coordinates require conversion for display at large scales"]
		},
		"data_exchange": {
			"primary": "EPSG:4326",
			"alternatives": ["EPSG:4269"],
			"fallback": "EPSG:4326",
			"reasoning": "WGS84 is the international standard for data exchange. GeoJSON specification requires WGS84.",
			"pros": ["Universal interoperability", "GeoJSON compliant", "Easy to understand (lat/lon)"],
			"cons": [
				"Not suitable for direct measurements",
				"Requires projection for display at large scales"
			]
		},
		"data_storage": {
			"primary": "EPSG:4269",
			"alternatives": ["EPSG:6318", "EPSG:4326"],
			"fallback": "EPSG:4326",
			"reasoning": "NAD83 is the primary datum for US data. Use NAD83(2011) for new high-accuracy data. WGS84 for international compatibility.",
			"pros": ["Native datum for US spatial data", "Preserves original measurement accuracy"],
			"cons": ["Requires transformation for non-US systems"]
		},
		"visualization": {
			"primary": "EPSG:5070",
			"alternatives": ["EPSG:3857"],
			"fallback": "EPSG:4326",
			"reasoning": "Conus Albers provides balanced distortion for continental US visualization. Web Mercator for interactive web maps.",
			"pros": ["Familiar appearance for US maps", "Balanced distortion across CONUS"],
			"cons": ["Not suitable for Alaska/Hawaii without insets"]
		}
	},
	"multiZoneStates": {
		"California": {
			"note": "California has 6 State Plane zones. Select based on location.",
			"subRegions": {
				"Northern California": "EPSG:2225",
				"Bay Area": "EPSG:2227",
				"Central California": "EPSG:2228",
				"Southern California": "EPSG:2229",
				"Los Angeles": "EPSG:2229",
				"San Diego": "EPSG:2230"
			},
			"cities": {
				"San Francisco": "EPSG:2227",
				"Oakland": "EPSG:2227",
				"San Jose": "EPSG:2227",
				"Los Angeles": "EPSG:2229",
				"San Diego": "EPSG:2230",
				"Sacramento": "EPSG:2226",
				"Fresno": "EPSG:2228"
			},
			"default": "EPSG:2229"
		},
		"Texas": {
			"note": "Texas has 5 State Plane zones (North, North Central, Central, South Central, South).",
			"subRegions": {
				"North Texas": "EPSG:2275",
				"Dallas-Fort Worth": "EPSG:2276",
				"Central Texas": "EPSG:2277",
				"Austin": "EPSG:2277",
				"San Antonio": "EPSG:2278",
				"South Texas": "EPSG:2279",
				"Houston": "EPSG:2278"
			},
			"cities": {
				"Dallas": "EPSG:2276",
				"Fort Worth": "EPSG:2276",
				"Austin": "EPSG:2277",
				"San Antonio": "EPSG:2278",
				"Houston": "EPSG:2278",
				"El Paso": "EPSG:2277"
			},
			"default": "EPSG:2277"
		},
		"New York": {
			"note": "New York has 4 State Plane zones (East, Central, West, Long Island).",
			"subRegions": {
				"Long Island": "EPSG:2263",
				"New York City": "EPSG:2263",
				"Upstate East": "EPSG:2260",
				"Central New York": "EPSG:2261",
				"Western New York": "EPSG:2262"
			},
			"cities": {
				"New York City": "EPSG:2263",
				"Brooklyn": "EPSG:2263",
				"Queens": "EPSG:2263",
				"Buffalo": "EPSG:2262",
				"Rochester": "EPSG:2262",
				"Syracuse": "EPSG:2261",
				"Albany": "EPSG:2260"
			},
			"default": "EPSG:2263"
		},
		"Florida": {
			"note": "Florida has 3 State Plane zones (East, West, North).",
			"subRegions": {
				"South Florida": "EPSG:2236",
				"East Coast": "EPSG:2236",
				"West Coast": "EPSG:2237",
				"Panhandle": "EPSG:2238"
			},
			"cities": {
				"Miami": "EPSG:2236",
				"Fort Lauderdale": "EPSG:2236",
				"Jacksonville": "EPSG:2236",
				"Orlando": "EPSG:2236",
				"Tampa": "EPSG:2237",
				"St. Petersburg": "EPSG:2237",
				"Tallahassee": "EPSG:2238",
				"Pensacola": "EPSG:2238"
			},
			"default": "EPSG:2236"
		},
		"Washington": {
			"note": "Washington has 2 State Plane zones (North, South).",
			"subRegions": {
				"North Washington": "EPSG:2285",
				"South Washington": "EPSG:2286",
				"Seattle Area": "EPSG:2285"
			},
			"cities": {
				"Seattle": "EPSG:2285",
				"Tacoma": "EPSG:2285",
				"Spokane": "EPSG:2285",
				"Vancouver": "EPSG:2286",
				"Olympia": "EPSG:2286"
			},
			"default": "EPSG:2285"
		}
	}
}