335 lines
8.7 KiB
Python
335 lines
8.7 KiB
Python
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Copyright 2012 California Institute of Technology. ALL RIGHTS RESERVED.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# United States Government Sponsorship acknowledged. This software is subject to
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# U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
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# (No [Export] License Required except when exporting to an embargoed country,
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# end user, or in support of a prohibited end use). By downloading this software,
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# the user agrees to comply with all applicable U.S. export laws and regulations.
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# The user has the responsibility to obtain export licenses, or other export
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# authority as may be required before exporting this software to any 'EAR99'
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# embargoed foreign country or citizen of those countries.
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#
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# Author: Giangi Sacco
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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from __future__ import print_function
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import sys
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import logging
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import os
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import math
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from iscesys.Component.Component import Component, Port
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from iscesys.Compatibility import Compatibility
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from isceobj.Doppler import calc_dop
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import isceobj
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from isceobj.Util.decorators import pickled, logged, port
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HEADER = Component.Parameter(
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'header',
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public_name='HEADER',
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default=None,
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type=int,
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mandatory=True,
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intent='input',
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doc=''
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)
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FIRST_LINE = Component.Parameter(
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'firstLine',
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public_name='FIRST_LINE',
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default=None,
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type=int,
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mandatory=True,
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intent='input',
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doc=''
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)
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QOFFSET = Component.Parameter(
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'Qoffset',
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public_name='QOFFSET',
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default=None,
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type=float,
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mandatory=True,
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intent='input',
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doc=''
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)
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WIDTH = Component.Parameter(
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'width',
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public_name='WIDTH',
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default=None,
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type=int,
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mandatory=True,
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intent='input',
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doc=''
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)
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LAST_LINE = Component.Parameter(
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'lastLine',
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public_name='LAST_LINE',
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default=None,
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type=int,
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mandatory=True,
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intent='input',
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doc=''
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)
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IOFFSET = Component.Parameter(
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'Ioffset',
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public_name='IOFFSET',
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default=None,
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type=float,
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mandatory=True,
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intent='input',
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doc=''
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)
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RAW_FILENAME = Component.Parameter(
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'rawFilename',
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public_name='RAW_FILENAME',
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default='',
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type=str,
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mandatory=False,
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intent='input',
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doc=''
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)
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RNG_DOPPLER = Component.Parameter(
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'rngDoppler',
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public_name='RNG_DOPPLER',
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default=[],
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type=float,
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mandatory=False,
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intent='output',
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doc=''
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)
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FD = Component.Parameter(
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'fd',
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public_name='FD',
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default=None,
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type=float,
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mandatory=False,
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intent='output',
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doc=''
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)
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@pickled
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class Calc_dop(Component):
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parameter_list = (
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HEADER,
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FIRST_LINE,
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QOFFSET,
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WIDTH,
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LAST_LINE,
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IOFFSET,
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RAW_FILENAME
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)
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logging_name = 'isceobj.Doppler.Calc_dop'
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family = 'calc_dop'
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@logged
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def __init__(self,family='',name=''):
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super(Calc_dop, self).__init__(family if family else self.__class__.family, name=name)
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self.dim1_rngDoppler = None
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self.quadratic = {} #insarapp
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self.coeff_list = None #roiapp
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self.initOptionalAndMandatoryLists()
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self.createPorts()
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return None
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def createPorts(self):
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instrumentPort = Port(name="instrument",
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method=self.addInstrument,
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doc=(
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"An object that has getPulseRepetitionFrequency() and "+
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"getInPhaseValue() methods"
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))
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framePort = Port(name="frame",
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method=self.addFrame,
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doc=(
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"An object that has getNumberOfSamples() and " +
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" etNumberOfLines() methods")
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)
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imagePort = Port(name="image",
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method=self.addImage,
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doc=(
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"An object that has getXmin() and getXmax() methods"
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)
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)
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self.inputPorts.add(instrumentPort)
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self.inputPorts.add(framePort)
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self.inputPorts.add(imagePort)
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return None
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def calculateDoppler(self, rawImage=None):
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self.activateInputPorts()
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rawCreatedHere = False
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if rawImage is None:
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self.rawImage = self.createRawImage()
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rawCreateHere = True
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else:
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self.rawImage = rawImage
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pass
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rawAccessor = self.rawImage.getImagePointer()
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self.setDefaults()
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self.rngDoppler = [0]*int((self.width - self.header)/2)
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self.allocateArrays()
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self.setState()
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calc_dop.calc_dop_Py(rawAccessor)
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self.getState()
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self.deallocateArrays()
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if rawCreatedHere:
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self.rawImage.finalizeImage()
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pass
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return None
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def createRawImage(self):
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# Check file name
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width = self.width
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objRaw = isceobj.createRawImage()
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objRaw.initImage(self.rawFilename, 'read', width)
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objRaw.createImage()
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return objRaw
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def fitDoppler(self):
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#no fit is done. just keeping common interface with DopIQ
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self.quadratic['a'] = self.fd # for now use only zero order term
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self.quadratic['b'] = 0
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self.quadratic['c'] = 0
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self.coeff_list = [self.fd,0.,0.]
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def setDefaults(self):
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if self.firstLine is None:
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self.firstLine = 100
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self.logger.info('Variable FIRST_LINE has been set equal the defualt value %i' % (self.firstLine))
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if self.lastLine is None:
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self.lastLine = self.rawImage.getLength() - 200
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self.logger.info('Variable LAST_LINE has been set equal the default value imageLength - 200 = %i' % (self.lastLine))
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if self.header is None:
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self.header = 0
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self.logger.info('Variable HEADER has been set equal the default value %i' % (self.header))
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@port('__complex__')
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def addInstrument(self):
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z = complex(self.instrument)
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self.Ioffset, self.Qoffset = (z.real, z.imag)
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@port('numberOfLines')
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def addFrame(self):
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self.numberOfLines = self.frame.numberOfLines
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pass
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@port(None)
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def addImage(self):
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self.rawFilename = self.image.getFilename()
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self.header = self.image.getXmin()
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self.width = self.image.getXmax() - self.header
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return None
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def setState(self):
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calc_dop.setHeader_Py(int(self.header))
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calc_dop.setWidth_Py(int(self.width))
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calc_dop.setLastLine_Py(int(self.lastLine))
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calc_dop.setFirstLine_Py(int(self.firstLine))
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calc_dop.setIoffset_Py(float(self.Ioffset))
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calc_dop.setQoffset_Py(float(self.Qoffset))
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return None
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def setFilename(self, var):
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self.rawFilename = var
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def setHeader(self, var):
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self.header = int(var)
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return
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def setWidth(self, var):
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self.width = int(var)
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return
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def setLastLine(self, var):
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self.lastLine = int(var)
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return
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def setFirstLine(self, var):
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self.firstLine = int(var)
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return
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def setIoffset(self, var):
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self.Ioffset = float(var)
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return
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def setQoffset(self, var):
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self.Qoffset = float(var)
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return
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def getState(self):
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self.rngDoppler = calc_dop.getRngDoppler_Py(self.dim1_rngDoppler)
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self.fd = calc_dop.getDoppler_Py()
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return
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def getRngDoppler(self):
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return self.rngDoppler
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def getDoppler(self):
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return self.fd
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def allocateArrays(self):
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if self.dim1_rngDoppler is None:
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self.dim1_rngDoppler = len(self.rngDoppler)
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pass
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if not self.dim1_rngDoppler:
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print("Error. Trying to allocate zero size array")
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raise Exception
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calc_dop.allocate_rngDoppler_Py(self.dim1_rngDoppler)
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return
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def deallocateArrays(self):
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calc_dop.deallocate_rngDoppler_Py()
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return
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pass
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