86 lines
3.1 KiB
Python
86 lines
3.1 KiB
Python
|
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
# 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: Giangi Sacco
|
||
|
|
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
import datetime
|
||
|
|
from isceobj.Orbit.Orbit import Orbit
|
||
|
|
from isceobj.Scene.Frame import Frame
|
||
|
|
from iscesys.Component.Component import Component, Port
|
||
|
|
|
||
|
|
class Pulsetiming(Component):
|
||
|
|
|
||
|
|
logging_name = "isce.stdproc.pulsetiming"
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
super(Pulsetiming, self).__init__()
|
||
|
|
self.frame = None
|
||
|
|
self.orbit = Orbit(source='Pulsetiming')
|
||
|
|
return None
|
||
|
|
|
||
|
|
def createPorts(self):
|
||
|
|
framePort = Port(name='frame',method=self.addFrame)
|
||
|
|
self._inputPorts.add(framePort)
|
||
|
|
return None
|
||
|
|
|
||
|
|
def getOrbit(self):
|
||
|
|
return self.orbit
|
||
|
|
|
||
|
|
def addFrame(self):
|
||
|
|
frame = self.inputPorts['frame']
|
||
|
|
if frame:
|
||
|
|
if isinstance(frame, Frame):
|
||
|
|
self.frame = frame
|
||
|
|
else:
|
||
|
|
self.logger.error(
|
||
|
|
"Object must be of type Frame, not %s" % (frame.__class__)
|
||
|
|
)
|
||
|
|
raise TypeError
|
||
|
|
pass
|
||
|
|
return None
|
||
|
|
|
||
|
|
# @port(Frame)
|
||
|
|
# def addFrame(self):
|
||
|
|
# return None
|
||
|
|
|
||
|
|
def pulsetiming(self):
|
||
|
|
self.activateInputPorts()
|
||
|
|
|
||
|
|
numberOfLines = self.frame.getNumberOfLines()
|
||
|
|
prf = self.frame.getInstrument().getPulseRepetitionFrequency()
|
||
|
|
pri = 1.0/prf
|
||
|
|
startTime = self.frame.getSensingStart()
|
||
|
|
thisOrbit = self.frame.getOrbit()
|
||
|
|
self.orbit.setReferenceFrame(thisOrbit.getReferenceFrame())
|
||
|
|
|
||
|
|
for i in range(numberOfLines):
|
||
|
|
dt = i*pri
|
||
|
|
time = startTime + datetime.timedelta(seconds=dt)
|
||
|
|
sv = thisOrbit.interpolateOrbit(time,method='hermite')
|
||
|
|
self.orbit.addStateVector(sv)
|
||
|
|
|