136 lines
5.9 KiB
Python
136 lines
5.9 KiB
Python
from xml.etree.ElementTree import ElementTree
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import os
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class DictXml:
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def __init__(self, xml_path):
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self.xml_path = xml_path
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self.__tree = ElementTree()
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self.__root = None
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self.init_xml()
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def init_xml(self):
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self.__root = self.__tree.parse(self.xml_path)
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if self.__root is None:
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raise Exception("get root failed")
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def get_extend(self):
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productInfo = self.__root.find("imageinfo")
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if productInfo is None:
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raise Exception("get imageInfo failed")
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corner = productInfo.find("corner")
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if corner is None:
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raise Exception("get corner failed")
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topLeft = corner.find("topLeft")
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if topLeft is None:
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raise Exception("get topLeft failed")
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topRight = corner.find("topRight")
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if topRight is None:
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raise Exception("get topRight failed")
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bottomLeft = corner.find("bottomLeft")
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if bottomLeft is None:
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raise Exception("get bottomLeft failed")
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bottomRight = corner.find("bottomRight")
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if bottomRight is None:
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raise Exception("get bottomRight failed")
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point_upleft = [float(topLeft.find("longitude").text), float(topLeft.find("latitude").text)]
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point_upright = [float(topRight.find("longitude").text), float(topRight.find("latitude").text)]
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point_downleft = [float(bottomLeft.find("longitude").text), float(bottomLeft.find("latitude").text)]
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point_downright = [float(bottomRight.find("longitude").text), float(bottomRight.find("latitude").text)]
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scopes = [point_upleft, point_upright, point_downleft, point_downright]
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point_upleft_buf = [float(topLeft.find("longitude").text) - 0.5, float(topLeft.find("latitude").text) + 0.5]
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point_upright_buf = [float(topRight.find("longitude").text) + 0.5, float(topRight.find("latitude").text) + 0.5]
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point_downleft_buf = [float(bottomLeft.find("longitude").text) - 0.5,
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float(bottomLeft.find("latitude").text) - 0.5]
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point_downright_buf = [float(bottomRight.find("longitude").text) + 0.5,
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float(bottomRight.find("latitude").text) - 0.5]
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scopes_buf = [point_upleft_buf, point_upright_buf, point_downleft_buf, point_downright_buf]
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return scopes
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class xml_extend:
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def __init__(self, xml_path):
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self.xml_path = xml_path
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self.__tree = ElementTree()
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self.__root = None
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self.init_xml()
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def init_xml(self):
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self.__root = self.__tree.parse(self.xml_path)
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if self.__root is None:
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raise Exception("get root failed")
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def get_extend(self):
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ProductBasicInfo = self.__root.find("ProductBasicInfo")
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if ProductBasicInfo is None:
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raise Exception("get ProductBasicInfo failed")
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SpatialCoverageInformation = ProductBasicInfo.find("SpatialCoverageInformation")
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if SpatialCoverageInformation is None:
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raise Exception("get SpatialCoverageInformation failed")
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TopLeftLongitude = SpatialCoverageInformation.find("TopLeftLongitude")
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if TopLeftLongitude is None:
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raise Exception("get TopLeftLongitude failed")
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TopLeftLatitude = SpatialCoverageInformation.find("TopLeftLatitude")
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if TopLeftLatitude is None:
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raise Exception("get TopLeftLatitude failed")
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TopRightLongitude = SpatialCoverageInformation.find("TopRightLongitude")
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if TopRightLongitude is None:
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raise Exception("get TopRightLongitude failed")
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TopRightLatitude = SpatialCoverageInformation.find("TopRightLatitude")
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if TopRightLatitude is None:
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raise Exception("get TopRightLatitude failed")
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BottomRightLongitude = SpatialCoverageInformation.find("BottomRightLongitude")
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if BottomRightLongitude is None:
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raise Exception("get BottomRightLongitude failed")
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BottomRightLatitude = SpatialCoverageInformation.find("BottomRightLatitude")
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if BottomRightLatitude is None:
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raise Exception("get BottomRightLatitude failed")
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BottomLeftLongitude = SpatialCoverageInformation.find("BottomLeftLongitude")
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if BottomLeftLongitude is None:
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raise Exception("get BottomLeftLongitude failed")
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BottomLeftLatitude = SpatialCoverageInformation.find("BottomLeftLatitude")
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if BottomLeftLatitude is None:
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raise Exception("get BottomLeftLatitude failed")
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point_upleft = [float(TopLeftLongitude.text), float(TopLeftLatitude.text)]
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point_upright = [float(TopRightLongitude.text), float(TopRightLatitude.text)]
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point_downleft = [float(BottomLeftLongitude.text), float(BottomLeftLatitude.text)]
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point_downright = [float(BottomRightLongitude.text), float(BottomRightLatitude.text)]
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scopes = [point_upleft, point_upright, point_downleft, point_downright]
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point_upleft_buf = [float(TopLeftLongitude.text) - 0.5, float(TopLeftLatitude.text) + 0.5]
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point_upright_buf = [float(TopRightLongitude.text) + 0.5, float(TopRightLatitude.text) + 0.5]
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point_downleft_buf = [float(BottomLeftLongitude.text) - 0.5, float(BottomLeftLatitude.text) - 0.5]
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point_downright_buf = [float(BottomRightLongitude.text) + 0.5, float(BottomRightLatitude.text) - 0.5]
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scopes_buf = [point_upleft_buf, point_upright_buf, point_downleft_buf, point_downright_buf]
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return scopes
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if __name__ == '__main__':
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xml_path = r'E:\MicroWorkspace\GF3A_nanjing\GF3_SAY_QPSI_011444_E118.9_N31.4_20181012_L1A_AHV_L10003515422\GF3_SAY_QPSI_011444_E118.9_N31.4_20181012_L1A_AHV_L10003515422.meta.xml'
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scopes, scopes_buf = DictXml(xml_path).get_extend()
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print(scopes)
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print(scopes_buf)
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# path = r'D:\BaiduNetdiskDownload\GZ\lon.rdr'
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# path2 = r'D:\BaiduNetdiskDownload\GZ\lat.rdr'
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# path3 = r'D:\BaiduNetdiskDownload\GZ\lon_lat.tif'
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# s = ImageHandler().band_merge(path, path2, path3)
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# print(s)
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# pass
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