"""
ACT Data Source (Placeholder)
Provides access to Atacama Cosmology Telescope data.
This is a placeholder showing how to extend the modular architecture.
"""
from typing import Any, Dict, List, Optional
from .base import BaseDataSource
class ACTDataSource(BaseDataSource):
"""
ACT Data Source class for accessing Atacama Cosmology Telescope data.
This is a placeholder implementation demonstrating how to extend
the modular architecture for new astronomical datasets.
Future Implementation:
- ACT DR4/DR6 data access
- CMB map retrieval and analysis
- Power spectrum calculations
- Cross-correlation with other surveys
"""
def __init__(self, base_dir: str = None):
"""
Initialize ACT data source.
Args:
base_dir: Base directory for file storage
"""
super().__init__(base_dir=base_dir, source_name="act")
# Future: Initialize ACT-specific clients and connections
self.act_client = None
@property
def is_available(self) -> bool:
"""Check if ACT data access is available."""
# Future: Check for ACT data access libraries and connections
return False # Not implemented yet
def search_maps(
self,
ra: float = None,
dec: float = None,
radius: float = None,
frequency: str = None,
data_release: str = None,
auto_save: bool = True,
**kwargs
) -> Dict[str, Any]:
"""
Search ACT maps (placeholder).
Future implementation will search for CMB maps, point source catalogs,
and other ACT data products based on sky coordinates and frequency.
Args:
ra, dec: Sky coordinates
radius: Search radius
frequency: Observing frequency ('f090', 'f150', 'f220')
data_release: ACT data release ('DR4', 'DR6')
auto_save: Save results automatically
Returns:
Dict with search results and file information
"""
return {
'status': 'error',
'error': 'ACT data source not yet implemented. Coming soon!'
}
def get_power_spectrum(
self,
map_id: str,
ell_range: tuple = None,
auto_save: bool = True,
**kwargs
) -> Dict[str, Any]:
"""
Calculate power spectrum from ACT maps (placeholder).
Future implementation will compute angular power spectra
from ACT CMB maps with proper error handling and analysis.
Args:
map_id: ACT map identifier
ell_range: Multipole range for power spectrum
auto_save: Save results automatically
Returns:
Dict with power spectrum data and file information
"""
return {
'status': 'error',
'error': 'ACT power spectrum analysis not yet implemented. Coming soon!'
}