109 lines
3.4 KiB
Python
109 lines
3.4 KiB
Python
# Author: Heresh Fattahi
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import os
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import sys
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import reader
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# A dictionary to help with reading the data when more than one band exists
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bandsDict = {
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'ISCE-unwrapped-phase' : [2] ,
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'ISCE-unwrapped-amplitude' : [1],
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'ISCE-wrapped' : [1],
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'ISCE-incidence' : [1],
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'ISCE-heading':[2],
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'ISCE-offset-azimuth':[1],
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'ISCE-offset-range':[2],
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'ISCE-offset-snr':[1],
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}
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class insarPair:
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"""
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InsarPair object for a single InSAR pair.
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"""
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def __init__(self, name='insarPair', dates=None, observation={}, quality={}, geometry={}, metadata=None):
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self.referenceDate, self.secondaryDate = dates
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#######################################
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self.observationsDict = observation
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self.qualityDict = quality
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self.geometryDict = geometry
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self.platform = 'platform'
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self.track = 'track'
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self.processor = None
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# platform, track and processor can get values from metadat if they exist
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if metadata is not None:
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for key , value in metadata.items():
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setattr(self, key, value)
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def read(self,family):
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self.get_metadata(family)
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bands_key = self.processor + '-' + family
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if bands_key in bandsDict.keys():
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bands = bandsDict[bands_key]
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else:
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bands = None
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data = reader.read(self.file , self.processor, bands=bands)
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return data, self.metadata
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def get_metadata(self,family):
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if family in self.observationsDict.keys():
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self.file = self.observationsDict[family]
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elif family in self.qualityDict.keys():
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self.file = self.qualityDict[family]
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elif family in self.geometryDict.keys():
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self.file = self.geometryDict[family]
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else:
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self.file = ''
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#else:
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# '''error message'''
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############################
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# if the processor is not known, find the processor based on the file extension
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if self.processor is None:
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ext = self.file.split('.')[-1]
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if os.path.exists(self.file+'.xml'):
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self.processor = 'ISCE'
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elif os.path.exists(self.file+'.rsc'):
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self.processor = 'ROI_PAC'
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elif os.path.exists(self.file+'.par'):
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self.processor = 'GAMMA'
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elif os.path.exists(self.file+'.par'):
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self.processor = 'GAMMA'
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elif ext == 'grd':
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self.processor = 'GMT'
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#what for DORIS
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if os.path.exists(self.file):
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self.metadata = reader.read_metadata(self.file, self.processor)
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self.length = int(self.metadata['LENGTH'])
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self.width = int(self.metadata['WIDTH'])
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else:
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self.metadata = {}
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self.length = 0
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self.width = 0
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if self.platform is None and 'platform' in self.metadata.keys():
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self.platform = self.metadata['platform']
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if self.track is None and 'track' in self.metadata.keys():
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self.track = self.metadata['track']
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self.platform_track = self.platform + '-' + self.track
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if self.processor is None:
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if 'processor' in self.metadata.keys():
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self.processor = self.metadata['processor']
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else:
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self.processor = 'ISCE'
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