I/O library for the ESA EOF files.
Project description
xseof
Overview
I/O library for the ESA EOF files.
This package provides a set of “dataclasses”, comapible with the xsdata Python library, to access and make I/O operation on the XML files in the ESA Earth Observation Ground Segment File Format (EOF) [1].
In particular, this package supports all the XML based orbit and attitude products described in [1].
Project links
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Installation
Standard installation via pip:
$ pip install xseof
Installation via conda:
$ conda install -c avalentino xseof
Testing
Move to the the source directory root and run the following command:
$ python3 -m pytest
Basic usage
Load a generic orbit file:
>>> import xseof >>> orbit = xseof.load( "MA1_TEST_AUX_ORBRES_20210610T045753_20210610T065853_0001.EOF")
Access and print loaded data:
>>> import pprint >>> orbit.earth_observation_header.fixed_header.notes = "" >>> pprint.pprint(orbit.earth_observation_header.fixed_header) FixedHeaderType( file_name='MA1_TEST_AUX_ORBRES_20210610T045753_20210610T065853_0001', file_description='FOS Orbit File', notes='', mission='MetOpSGA1', file_class='TEST', file_type='AUX_ORBRES', validity_period=ValidityPeriodType( validity_start='UTC=2021-06-10T04:57:53', validity_stop='UTC=2021-06-10T05:02:23'), file_version='0001', eoffs_version='3.0', source=SourceType(system='System Identification as per Ground ' 'Segment File Format Standard ' '(PE-TN-ESA-GS-0001)', creator='Creator Identification as per ' 'Ground Segment File Format Standard ' '(PE-TN-ESA-GS-0001)', creator_version='Creator Version ' 'Identification as per ' 'Ground Segment File Format ' 'Standard ' '(PE-TN-ESA-GS-0001)', creation_date='UTC=2022-06-23T10:06:43')) >>> print(orbit.data_block.list_of_osvs.count) 10 >>> pprint.pprint(orbit.data_block.list_of_osvs.osv[0]) OsvType(tai='TAI=2021-06-10T04:57:17.817060', utc='UTC=2021-06-10T04:57:52.817060', ut1='UT1=2021-06-10T04:57:53.117059', absolute_orbit=999, x=PositionComponentType(value=Decimal('-1606749.988'), unit='m'), y=PositionComponentType(value=Decimal('-5677008.966'), unit='m'), z=PositionComponentType(value=Decimal('-4135675.595'), unit='m'), vx=VelocityComponentType(value=Decimal('-2876.652288'), unit='m/s'), vy=VelocityComponentType(value=Decimal('-3541.028256'), unit='m/s'), vz=VelocityComponentType(value=Decimal('5985.303441'), unit='m/s'), quality='0000000000000')
Load an EOF file of a specific type:
>>> from xseof import int_attref >>> quaternions = int_attref.load( "MA1_TEST_INT_ATTREF_20210610T045753_20210610T065853_0001.EOF")
Load data form string:
>>> from xseof import aux_orbres >>> filename = "MA1_TEST_AUX_ORBRES_20210610T045753_20210610T065853_0001.EOF" >>> with open(filename) as fd: ... data = fd.read() >>> orbit = aux_orbres.from_string(data)
Licanse
Copyright 2022 Antonio Valentino
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
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 langua
Version history
xseof v1.1.1 (27/12/2022)
Improve robustness in EOF files detection.
Improve support for element-tree imputs.
xseof v1.1.0 (23/12/2022)
Fix loading of Sentine-1 orbit form string.
New strict option (default: False) to enforce strict XML namespaces checking in xseof.load and xseof.from_string.
Improve docstrings to clarify that lxml is needed to use an ElementTree as source for the xseof.load and xseof.*.load functions. A dedicated unit test has been added also.
Test coverage improved.
xseof v1.0.0 (20/11/2022)
Initial release.
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