ISCE_INSAR/components/mroipac/fitoff/Fitoff.py

259 lines
8.9 KiB
Python
Executable File

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Copyright 2010 California Institute of Technology. ALL RIGHTS RESERVED.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# United States Government Sponsorship acknowledged. This software is subject to
# U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
# (No [Export] License Required except when exporting to an embargoed country,
# end user, or in support of a prohibited end use). By downloading this software,
# the user agrees to comply with all applicable U.S. export laws and regulations.
# The user has the responsibility to obtain export licenses, or other export
# authority as may be required before exporting this software to any 'EAR99'
# embargoed foreign country or citizen of those countries.
#
# Author: Piyush Agram
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
from __future__ import print_function
from iscesys.Component.Component import Component,Port
from isceobj.Location.Offset import OffsetField,Offset
from mroipac.fitoff import fitoff
from isceobj.Util.decorators import dov, pickled, logged
@pickled
class Fitoff(Component):
logging_name = "mroipac.fitoff"
dictionaryOfVariables = {
'NUMBER_OF_SIGMAS' : ['nSigma', float, True],
'MAX_RMS' : ['maxRMS', float, True],
'NUM_POINTS' : ['numPoints', int, True],
'MIN_ITER': ['minIter', int, True],
'MAX_ITER': ['maxIter', int, True],
'MIN_PONTS': ['minPoints', int, True],
}
dictionaryOfOutputVariables = {
'AFFINE_TRANSFORM' : 'affineTransform',
'AVERAGE_OFFSET_DOWN' : 'averageOffsetDown',
'AVERAGE_OFFSET_ACROSS' : 'averageOffsetAcross'
}
@dov
@logged
def __init__(self):
super(Fitoff, self).__init__()
self.numPoints = 0
self.maxRMS = 0.08
self.nSigma = 1.5
self.minPoints = 50
self.minIter = 3
self.maxIter = 30
self.useL1norm = True
self.affineTransform = []
self.averageOffsetDown = None
self.averageOffsetAcross = None
self.numPoints = None
self.locationAcross = []
self.locationAcrossOffset = []
self.locationDown = []
self.locationDownOffset = []
self.distance = None
self.snr = []
self.cov_across = []
self.cov_down = []
self.cov_cross = []
self.numRefined = None
self.refinedOffsetField = None
self.createPorts()
# self.stdWriter = None
return None
def createPorts(self):
self._inputPorts.add( Port(name='offsets',method=self.addOffsets) )
return None
def fitoff(self):
for port in self._inputPorts:
method = port.getMethod()
method()
self.numPoints = len(self.locationAcross)
self.allocateArrays()
self.setState()
fitoff.fitoff_Py()
self.getState()
self.deallocateArrays()
def setState(self):
fitoff.setStdWriter_Py(int(self.stdWriter))
fitoff.setLocationAcross_Py(self.locationAcross,
self.numPoints)
fitoff.setLocationAcrossOffset_Py(self.locationAcrossOffset,
self.numPoints)
fitoff.setLocationDown_Py(self.locationDown,
self.numPoints)
fitoff.setLocationDownOffset_Py(self.locationDownOffset,
self.numPoints)
fitoff.setSNR_Py(self.snr, self.numPoints)
fitoff.setCovDown_Py(self.cov_down, self.numPoints)
fitoff.setCovAcross_Py(self.cov_across, self.numPoints)
fitoff.setCovCross_Py(self.cov_cross, self.numPoints)
fitoff.setMaxRms_Py(self.maxRMS)
fitoff.setNSig_Py(self.nSigma)
fitoff.setMinPoint_Py(self.minPoints)
fitoff.setL1normFlag_Py(int(self.useL1norm))
fitoff.setMinIter_Py(self.minIter)
fitoff.setMaxIter_Py(self.maxIter)
def setNumberOfPoints(self, var):
self.numPoints = int(var)
def setLocationAcross(self, var):
self.locationAcross = var
def setLocationAcrossOffset(self, var):
self.locationAcrossOffset = var
def setLocationDown(self, var):
self.locationDown = var
def setLocationDownOffset(self, var):
self.locationDownOffset = var
def setCov_Across(self, var):
self.cov_across = var
def setCov_Down(self, var):
self.covDown = var
def setCov_Cross(self,var):
self.cov_cross = var
def setNSigma(self, var):
self.nSigma = var
def setMaxRMS(self, var):
self.maxRms = var
def setSNR(self, var):
self.snr = var
def setMinPoints(self, var):
self.minPoints = var
# def stdWriter(self, var):
# self.stdWriter = var
def getState(self):
#Notice that we allocated a larger size since it was not known a priori, but when we retrieve the data we only retrieve the valid ones
self.affineVec = fitoff.getAffineVector_Py()
self.averageOffsetAcross = self.affineVec[4]
self.averageOffsetDown = self.affineVec[5]
self.numRefined = fitoff.getNumberOfRefinedOffsets_Py()
retList = fitoff.getRefinedOffsetField_Py(self.numRefined)
self.refinedOffsetField = OffsetField()
for value in retList:
oneoff = Offset(value[0],
value[1],
value[2],
value[3],
value[4],
value[5],
value[6],
value[7])
self.refinedOffsetField.addOffset(oneoff)
return
def getAverageOffsetDown(self):
return self.averageOffsetDown
def getAverageOffsetAcross(self):
return self.averageOffsetAcross
def getRefinedLocations(self):
indxA = self.indexArray
numArrays = 6
retList = [[0]*len(indxA) for i in range(numArrays)]
for j in range(len(retList[0])):
retList[0][j] = self.locationAcross[indxA[j]]
retList[1][j] = self.locationAcrossOffset[indxA[j]]
retList[2][j] = self.locationDown[indxA[j]]
retList[3][j] = self.locationDownOffset[indxA[j]]
retList[4][j] = self.snr[indxA[j]]
retList[5][j] = self.sig[indxA[j]]
return retList
def getRefinedOffsetField(self):
offsets = OffsetField()
indxA = self.indexArray
for j in range(len(indxA)):
offset = Offset()
across = self.locationAcross[indxA[j]]
down = self.locationDown[indxA[j]]
acrossOffset = self.locationAcrossOffset[indxA[j]]
downOffset = self.locationDownOffset[indxA[j]]
snr = self.snr[indxA[j]]
offset.setCoordinate(across,down)
offset.setOffset(acrossOffset,downOffset)
offset.setSignalToNoise(snr)
offsets.addOffset(offset)
return offsets
def allocateArrays(self):
if self.numPoints is None:
self.numPoints = len(self.locationAcross)
fitoff.setNumberLines_Py(int(self.numPoints))
fitoff.allocateArrays_Py(int(self.numPoints))
return
def deallocateArrays(self):
fitoff.deallocateArrays_Py()
def addOffsets(self):
offsets = self._inputPorts.getPort('offsets').getObject()
if offsets:
try:
for offset in offsets:
across, down = offset.getCoordinate()
acrossOffset, downOffset = offset.getOffset()
snr = offset.getSignalToNoise()
cova, covd, covx = offset.getCovariance()
self.locationAcross.append(across)
self.locationDown.append(down)
self.locationAcrossOffset.append(acrossOffset)
self.locationDownOffset.append(downOffset)
self.snr.append(snr)
self.cov_across.append(cova) # Sigmas used in the inversion
self.cov_down.append(covd)
self.cov_cross.append(covx)
except AttributeError as strerr:
self.logger.error(strerr)
raise AttributeError("Unable to wire Offset port")
pass
pass
pass