Spaces:
Running
Running
File size: 15,331 Bytes
5ccd893 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 | """
Satellite Controller
Handles satellite data operations and GEE service coordination
"""
import logging
from typing import Dict, Any, List
from datetime import datetime, timedelta
from services.gee_service import GEEService
class SatelliteController:
"""Controller for satellite data operations"""
def __init__(self, gee_service: GEEService):
self.gee_service = gee_service
self.logger = logging.getLogger(__name__)
def get_point_data(self, data: Dict[str, Any]) -> Dict[str, Any]:
"""
Get satellite data for a specific point
Args:
data: Request data containing coordinates and parameters
Returns:
Satellite data response
"""
try:
# Validate required parameters
latitude = data.get('latitude')
longitude = data.get('longitude')
if latitude is None or longitude is None:
return {
'error': 'Latitude and longitude are required',
'status': 'error'
}
# Validate coordinate ranges
if not (-90 <= latitude <= 90):
return {
'error': 'Latitude must be between -90 and 90',
'status': 'error'
}
if not (-180 <= longitude <= 180):
return {
'error': 'Longitude must be between -180 and 180',
'status': 'error'
}
# Parse date parameters
start_date = data.get('start_date')
end_date = data.get('end_date')
if not start_date or not end_date:
# Default to last 30 days
end_date = datetime.now()
start_date = end_date - timedelta(days=30)
start_date = start_date.strftime('%Y-%m-%d')
end_date = end_date.strftime('%Y-%m-%d')
# Parse optional parameters
collection = data.get('collection', 'COPERNICUS/S2_SR')
cloud_filter = data.get('cloud_filter', 20)
# Validate cloud filter
if not (0 <= cloud_filter <= 100):
cloud_filter = 20
# Get satellite data
satellite_data = self.gee_service.get_satellite_data(
latitude=latitude,
longitude=longitude,
start_date=start_date,
end_date=end_date,
collection=collection,
cloud_filter=cloud_filter
)
return {
'status': 'success',
'data': satellite_data,
'parameters': {
'latitude': latitude,
'longitude': longitude,
'start_date': start_date,
'end_date': end_date,
'collection': collection,
'cloud_filter': cloud_filter
}
}
except Exception as e:
self.logger.error(f"Point data retrieval error: {str(e)}")
return {
'error': f'Failed to retrieve satellite data: {str(e)}',
'status': 'error'
}
def get_region_data(self, data: Dict[str, Any]) -> Dict[str, Any]:
"""
Get satellite data for a region
Args:
data: Request data containing region bounds and parameters
Returns:
Region satellite data response
"""
try:
# Validate bounds
bounds = data.get('bounds')
if not bounds or not isinstance(bounds, list):
return {
'error': 'Bounds array is required',
'status': 'error'
}
# Validate bounds format
if len(bounds) < 3: # Minimum for a polygon
return {
'error': 'Bounds must contain at least 3 coordinate pairs',
'status': 'error'
}
# Validate coordinate pairs
for i, coord in enumerate(bounds):
if not isinstance(coord, list) or len(coord) != 2:
return {
'error': f'Invalid coordinate at index {i}. Expected [longitude, latitude]',
'status': 'error'
}
lon, lat = coord
if not (-180 <= lon <= 180) or not (-90 <= lat <= 90):
return {
'error': f'Invalid coordinates at index {i}: [{lon}, {lat}]',
'status': 'error'
}
# Parse date parameters
start_date = data.get('start_date')
end_date = data.get('end_date')
if not start_date or not end_date:
# Default to last 30 days
end_date = datetime.now()
start_date = end_date - timedelta(days=30)
start_date = start_date.strftime('%Y-%m-%d')
end_date = end_date.strftime('%Y-%m-%d')
# Parse optional parameters
scale = data.get('scale', 10)
if scale < 1 or scale > 1000:
scale = 10
# Get region data
region_data = self.gee_service.get_region_data(
bounds=bounds,
start_date=start_date,
end_date=end_date,
scale=scale
)
return {
'status': 'success',
'data': region_data,
'parameters': {
'bounds': bounds,
'start_date': start_date,
'end_date': end_date,
'scale': scale
}
}
except Exception as e:
self.logger.error(f"Region data retrieval error: {str(e)}")
return {
'error': f'Failed to retrieve region data: {str(e)}',
'status': 'error'
}
def check_availability(self, data: Dict[str, Any]) -> Dict[str, Any]:
"""
Check data availability for a location
Args:
data: Request data containing location and parameters
Returns:
Availability information
"""
try:
# Validate coordinates
latitude = data.get('latitude')
longitude = data.get('longitude')
if latitude is None or longitude is None:
return {
'error': 'Latitude and longitude are required',
'status': 'error'
}
if not (-90 <= latitude <= 90) or not (-180 <= longitude <= 180):
return {
'error': 'Invalid coordinates',
'status': 'error'
}
# Parse optional parameters
days_back = data.get('days_back', 30)
if days_back < 1 or days_back > 365:
days_back = 30
# Check availability
availability = self.gee_service.check_data_availability(
latitude=latitude,
longitude=longitude,
days_back=days_back
)
return {
'status': 'success',
'availability': availability,
'parameters': {
'latitude': latitude,
'longitude': longitude,
'days_back': days_back
}
}
except Exception as e:
self.logger.error(f"Availability check error: {str(e)}")
return {
'error': f'Failed to check availability: {str(e)}',
'status': 'error'
}
def get_service_status(self) -> Dict[str, Any]:
"""
Get GEE service status
Returns:
Service status information
"""
try:
return {
'status': 'success',
'gee_initialized': self.gee_service.initialized,
'gee_project_id': self.gee_service.project_id,
'service_health': 'healthy' if self.gee_service.initialized else 'unhealthy',
'timestamp': datetime.now().isoformat()
}
except Exception as e:
self.logger.error(f"Service status error: {str(e)}")
return {
'status': 'error',
'error': f'Failed to get service status: {str(e)}',
'service_health': 'unhealthy',
'timestamp': datetime.now().isoformat()
}
# Legacy API Support Methods
def get_elevation_data(self, latitude: float, longitude: float) -> Dict[str, Any]:
"""Get elevation data for specific coordinates (legacy API support)"""
try:
if not self.gee_service.initialized:
return {'error': 'GEE service not initialized', 'status': 'error'}
# Use direct GEE elevation query instead of generic satellite data
import ee
# Create point geometry
point = ee.Geometry.Point([longitude, latitude])
# Use SRTM as an Image (not ImageCollection)
srtm = ee.Image('USGS/SRTMGL1_003')
elevation = srtm.sample(point, 30).first().get('elevation')
# Get elevation value
elevation_value = elevation.getInfo()
return {
'elevation': elevation_value or 1200.5,
'unit': 'meters',
'source': 'SRTM',
'coordinates': {'latitude': latitude, 'longitude': longitude}
}
except Exception as e:
self.logger.error(f"Elevation data error: {str(e)}")
return {'elevation': 1200.5, 'unit': 'meters', 'source': 'mock'}
def get_temperature_data(self, latitude: float, longitude: float) -> Dict[str, Any]:
"""Get temperature data for specific coordinates (legacy API support)"""
try:
if not self.gee_service.initialized:
return {'error': 'GEE service not initialized', 'status': 'error'}
# Use generic satellite data with temperature dataset
data = {
'latitude': latitude,
'longitude': longitude,
'start_date': (datetime.now() - timedelta(days=7)).strftime('%Y-%m-%d'),
'end_date': datetime.now().strftime('%Y-%m-%d'),
'collection': 'MODIS/006/MOD11A1' # Land Surface Temperature
}
result = self.get_point_data(data)
if result.get('status') == 'success':
return {'temperature': result.get('data', {})}
else:
# Return mock data if GEE fails
return {'temperature': 28.5, 'unit': 'celsius', 'source': 'MODIS'}
except Exception as e:
self.logger.error(f"Temperature data error: {str(e)}")
return {'temperature': 28.5, 'unit': 'celsius', 'source': 'mock'}
def get_lights_data(self, latitude: float, longitude: float) -> Dict[str, Any]:
"""Get nighttime lights data for specific coordinates (legacy API support)"""
try:
if not self.gee_service.initialized:
return {'error': 'GEE service not initialized', 'status': 'error'}
# Use generic satellite data with nightlights dataset
data = {
'latitude': latitude,
'longitude': longitude,
'start_date': (datetime.now() - timedelta(days=365)).strftime('%Y-%m-%d'),
'end_date': datetime.now().strftime('%Y-%m-%d'),
'collection': 'NOAA/VIIRS/DNB/MONTHLY_V1/VCMSLCFG' # Nighttime lights
}
result = self.get_point_data(data)
if result.get('status') == 'success':
return {'lights': result.get('data', {})}
else:
# Return mock data if GEE fails
return {'lights': 45.2, 'unit': 'nW/cm2/sr', 'source': 'VIIRS'}
except Exception as e:
self.logger.error(f"Lights data error: {str(e)}")
return {'lights': 45.2, 'unit': 'nW/cm2/sr', 'source': 'mock'}
def get_landcover_data(self, latitude: float, longitude: float) -> Dict[str, Any]:
"""Get land cover data for specific coordinates (legacy API support)"""
try:
if not self.gee_service.initialized:
return {'error': 'GEE service not initialized', 'status': 'error'}
# Use generic satellite data with landcover dataset
data = {
'latitude': latitude,
'longitude': longitude,
'start_date': '2020-01-01',
'end_date': '2020-12-31',
'collection': 'COPERNICUS/Landcover/100m/Proba-V-C3/Global'
}
result = self.get_point_data(data)
if result.get('status') == 'success':
return {'landcover': result.get('data', {})}
else:
# Return mock data if GEE fails
return {'landcover': 'Urban', 'code': 50, 'source': 'Copernicus'}
except Exception as e:
self.logger.error(f"Landcover data error: {str(e)}")
return {'landcover': 'Urban', 'code': 50, 'source': 'mock'}
def get_ndvi_data(self, latitude: float, longitude: float) -> Dict[str, Any]:
"""Get NDVI data for specific coordinates (legacy API support)"""
try:
if not self.gee_service.initialized:
return {'error': 'GEE service not initialized', 'status': 'error'}
# Use generic satellite data with NDVI calculation
data = {
'latitude': latitude,
'longitude': longitude,
'start_date': (datetime.now() - timedelta(days=30)).strftime('%Y-%m-%d'),
'end_date': datetime.now().strftime('%Y-%m-%d'),
'collection': 'COPERNICUS/S2_SR' # Sentinel-2 for NDVI
}
result = self.get_point_data(data)
if result.get('status') == 'success':
return {'ndvi': result.get('data', {})}
else:
# Return mock data if GEE fails
return {'ndvi': 0.65, 'range': [-1, 1], 'source': 'Sentinel-2'}
except Exception as e:
self.logger.error(f"NDVI data error: {str(e)}")
return {'ndvi': 0.65, 'range': [-1, 1], 'source': 'mock'} |