122 lines
4.0 KiB
Python
122 lines
4.0 KiB
Python
# -*- coding: UTF-8 -*-
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"""
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@Project ：microproduct
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@File ：ScatteringAuxData.py
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@Function ：后向散射
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@Author ：SHJ
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@Contact：
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@Date ：2022/6/29
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@Version ：1.0.0
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修改历史：
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[修改序列] [修改日期] [修改者] [修改内容]
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1 2022-6-29 石海军 1.兼容GF3元文件和正射校正元文件提取信息
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"""
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import logging
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from xml.etree.ElementTree import ElementTree
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logger = logging.getLogger("mylog")
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class GF3L1AMetaData:
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def __init__(self):
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pass
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@staticmethod
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def get_QualifyValue(meta_file_path, polarization):
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tree = ElementTree()
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tree.parse(meta_file_path)
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root = tree.getroot()
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QualifyValue = float(root.find('imageinfo').find('QualifyValue').find(polarization).text)
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return QualifyValue
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@staticmethod
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def get_Kdb(meta_file_path, polarization):
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tree = ElementTree()
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tree.parse(meta_file_path)
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root = tree.getroot()
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Kdb = float(root.find('processinfo').find('CalibrationConst').find(polarization).text)
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return Kdb
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class OrthoMetaData:
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def __init__(self):
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pass
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@staticmethod
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def get_QualifyValue(meta_file_path, polarization):
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tree = ElementTree()
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tree.parse(meta_file_path)
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root = tree.getroot()
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QualifyValue = float(root.find('l1aInfo').find('imageinfo').find('QualifyValue').find(polarization).text)
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return QualifyValue
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@staticmethod
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def get_Kdb(meta_file_path, polarization):
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tree = ElementTree()
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tree.parse(meta_file_path)
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root = tree.getroot()
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Kdb = float(root.find('l1aInfo').find('processinfo').find('CalibrationConst').find(polarization).text)
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return Kdb
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@staticmethod
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def get_RadarCenterFrequency(meta_file_path):
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# 获取微波中心频率
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tree = ElementTree()
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tree.parse(meta_file_path)
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root = tree.getroot()
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RadarCenterFrequency = float(root.find('sensor').find('RadarCenterFrequency').text)
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return RadarCenterFrequency
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@staticmethod
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def get_lamda(meta_file_path):
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# 获取微波波长，单位：m
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tree = ElementTree()
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tree.parse(meta_file_path)
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root = tree.getroot()
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lamda = float(root.find('sensor').find('lamda').text)
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return lamda
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class ScatteringAuxData:
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def __init__(self):
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pass
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@staticmethod
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def get_QualifyValue(meta_file_path, polarization):
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try:
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QualifyValue = OrthoMetaData.get_QualifyValue(meta_file_path, polarization)
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except Exception:
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logger.warning('OrthoMetaData.get_QualifyValue() error!')
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QualifyValue = GF3L1AMetaData.get_QualifyValue(meta_file_path, polarization)
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logger.info('GF3L1AMetaData.get_QualifyValue() success!')
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return QualifyValue
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@staticmethod
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def get_Kdb(meta_file_path, polarization):
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try:
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Kdb = OrthoMetaData.get_Kdb(meta_file_path, polarization)
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except Exception:
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logger.warning('OrthoMetaData.get_Kdb() error!')
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Kdb = GF3L1AMetaData.get_Kdb(meta_file_path, polarization)
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logger.info('GF3L1AMetaData.get_Kdb() success!')
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return Kdb
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@staticmethod
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def get_RadarCenterFrequency(meta_file_path):
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# 获取微波中心频率,单位GHz
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RadarCenterFrequency = OrthoMetaData.get_RadarCenterFrequency(meta_file_path)
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return RadarCenterFrequency
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@staticmethod
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def get_lamda(meta_file_path):
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# 获取微波波长，单位：m
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lamda = OrthoMetaData.get_lamda(meta_file_path)
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return lamda
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# if __name__ == '__main__':
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# A = ScatteringAuxData()
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# dir = 'G:\MicroWorkspace\C-SAR\AuxSAR\GF3_KAS_FSII_020008_E113.2_N23.1_20200528_L1A_HHHV_L10004829485_geo/'
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# path = dir + 'GF3_KAS_FSII_020008_E113.2_N23.1_20200528_L1A_HHHV_L10004829485.meta.xml'
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# path1 = dir + 'OrthoProduct.meta.xml'
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# t1 = A.get_QualifyValue(path, 'HH')
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# t2 = A.get_Kdb(path, 'HH')
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# t3 = A.get_RadarCenterFrequency(path)
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# t4 = A.get_lamda(path)
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# pass |