187 lines
5.6 KiB
Python
187 lines
5.6 KiB
Python
#!/usr/bin/env python3
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#Author: Cunren Liang, 2015-
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import isce
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import datetime
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import isceobj
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import numpy as np
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from iscesys.Component.Component import Component
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from isceobj.Image.Image import Image
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from isceobj.Orbit.Orbit import Orbit
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from isceobj.Util.decorators import type_check
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from iscesys.Traits import datetimeType
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####List of parameters
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PASS_DIRECTION = Component.Parameter('passDirection',
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public_name='pass direction',
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default = None,
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type=str,
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mandatory=True,
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doc = 'satellite flying direction, ascending/descending')
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POINTING_DIRECTION = Component.Parameter('pointingDirection',
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public_name='pointing direction',
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default=None,
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type = str,
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mandatory = True,
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doc = 'antenna point direction: right/left')
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OPERATION_MODE = Component.Parameter('operationMode',
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public_name='operation mode',
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default=None,
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type = str,
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mandatory = True,
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doc = 'JAXA ALOS-2 operation mode code')
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RADAR_WAVELENGTH = Component.Parameter('radarWavelength',
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public_name = 'radarWavelength',
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default = None,
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type = float,
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mandatory = True,
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doc = 'radar wavelength in m')
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NUMBER_OF_SAMPLES = Component.Parameter('numberOfSamples',
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public_name='number of samples',
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default=None,
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type=int,
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mandatory=True,
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doc='width of the burst slc')
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NUMBER_OF_LINES = Component.Parameter('numberOfLines',
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public_name='number of lines',
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default=None,
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type=int,
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mandatory=True,
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doc='length of the burst slc')
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STARTING_RANGE = Component.Parameter('startingRange',
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public_name='starting range',
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default=None,
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type=float,
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mandatory=True,
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doc='slant range to first pixel in m')
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RANGE_SAMPLING_RATE = Component.Parameter('rangeSamplingRate',
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public_name = 'range sampling rate',
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default = None,
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type = float,
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mandatory = True,
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doc = 'range sampling rate in Hz')
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RANGE_PIXEL_SIZE = Component.Parameter('rangePixelSize',
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public_name = 'range pixel size',
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default = None,
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type=float,
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mandatory = True,
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doc = 'slant range pixel size in m')
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SENSING_START = Component.Parameter('sensingStart',
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public_name='sensing start',
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default=None,
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type=datetimeType,
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mandatory=True,
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doc='UTC time corresponding to first line of swath SLC')
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PRF = Component.Parameter('prf',
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public_name = 'pulse repetition frequency',
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default = None,
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type = float,
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mandatory = True,
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doc = 'pulse repetition frequency in Hz')
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AZIMUTH_PIXEL_SIZE = Component.Parameter('azimuthPixelSize',
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public_name = 'azimuth pixel size',
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default = None,
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type=float,
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mandatory = True,
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doc = 'azimuth pixel size on ground in m')
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AZIMUTH_LINE_INTERVAL = Component.Parameter('azimuthLineInterval',
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public_name = 'azimuth line interval',
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default = None,
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type=float,
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mandatory = True,
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doc = 'azimuth line interval in s')
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#########################################################################################################
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#for dense offset
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DOPPLER_VS_PIXEL = Component.Parameter('dopplerVsPixel',
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public_name = 'doppler vs pixel',
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default = None,
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type = float,
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mandatory = True,
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container = list,
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doc = 'Doppler (Hz) polynomial coefficients vs range pixel number')
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#########################################################################################################
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#ProductManager cannot handle two or more layers of createTraitSeq
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#use list instead for bookkeeping
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#can creat a class Frames(Component) and wrap trait sequence, but it
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#leads to more complicated output xml file, which is not good for viewing
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FRAMES = Component.Parameter('frames',
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public_name = 'frames',
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default = [],
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#type = float,
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mandatory = True,
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container = list,
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doc = 'sequence of frames')
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####List of facilities
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ORBIT = Component.Facility('orbit',
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public_name='orbit',
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module='isceobj.Orbit.Orbit',
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factory='createOrbit',
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args=(),
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doc = 'orbit state vectors')
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# FRAMES = Component.Facility('frames',
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# public_name='frames',
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# module = 'iscesys.Component',
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# factory = 'createTraitSeq',
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# args=('frame',),
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# mandatory = False,
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# doc = 'trait sequence of frames')
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class Track(Component):
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"""A class to represent a track"""
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family = 'track'
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logging_name = 'isce.track'
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##############################################################################
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parameter_list = (PASS_DIRECTION,
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POINTING_DIRECTION,
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OPERATION_MODE,
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RADAR_WAVELENGTH,
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NUMBER_OF_SAMPLES,
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NUMBER_OF_LINES,
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STARTING_RANGE,
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RANGE_SAMPLING_RATE,
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RANGE_PIXEL_SIZE,
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SENSING_START,
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PRF,
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AZIMUTH_PIXEL_SIZE,
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AZIMUTH_LINE_INTERVAL,
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DOPPLER_VS_PIXEL,
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FRAMES
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)
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facility_list = (ORBIT,
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)
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def __init__(self,name=''):
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super(Track, self).__init__(family=self.__class__.family, name=name)
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return None
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def clone(self):
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import copy
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res = copy.deepcopy(self)
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res.image._accessor = None
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res.image._factory = None
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return res
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