69 lines
3.1 KiB
Python
69 lines
3.1 KiB
Python
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Copyright 2012 California Institute of Technology. ALL RIGHTS RESERVED.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# United States Government Sponsorship acknowledged. This software is subject to
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# U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
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# (No [Export] License Required except when exporting to an embargoed country,
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# end user, or in support of a prohibited end use). By downloading this software,
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# the user agrees to comply with all applicable U.S. export laws and regulations.
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# The user has the responsibility to obtain export licenses, or other export
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# authority as may be required before exporting this software to any 'EAR99'
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# embargoed foreign country or citizen of those countries.
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#
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# Author: Brett George
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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import isceobj.Catalog
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import logging
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logger = logging.getLogger('isce.insar.extractInfo')
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def extractInfo(self, reference, secondary):
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from contrib.frameUtils.FrameInfoExtractor import FrameInfoExtractor
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FIE = FrameInfoExtractor()
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referenceInfo = FIE.extractInfoFromFrame(reference)
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secondaryInfo = FIE.extractInfoFromFrame(secondary)
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referenceInfo.sensingStart = [referenceInfo.sensingStart, secondaryInfo.sensingStart]
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referenceInfo.sensingStop = [referenceInfo.sensingStop, secondaryInfo.sensingStop]
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# for stitched frames do not make sense anymore
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mbb = referenceInfo.getBBox()
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sbb = secondaryInfo.getBBox()
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latEarlyNear = mbb[0][0]
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latLateNear = mbb[2][0]
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#figure out which one is the bottom
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if latEarlyNear > latLateNear:
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#early is the top
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ret = []
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# the calculation computes the minimum bbox. it is not exact, bu given
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# the approximation in the estimate of the corners, it's ok
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ret.append([min(mbb[0][0], sbb[0][0]), max(mbb[0][1], sbb[0][1])])
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ret.append([min(mbb[1][0], sbb[1][0]), min(mbb[1][1], sbb[1][1])])
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ret.append([max(mbb[2][0], sbb[2][0]), max(mbb[2][1], sbb[2][1])])
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ret.append([max(mbb[3][0], sbb[3][0]), min(mbb[3][1], sbb[3][1])])
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else:
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# late is the top
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ret = []
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ret.append([max(mbb[0][0], sbb[0][0]), max(mbb[0][1], sbb[0][1])])
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ret.append([max(mbb[1][0], sbb[1][0]), min(mbb[1][1], sbb[1][1])])
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ret.append([min(mbb[2][0], sbb[2][0]), max(mbb[2][1], sbb[2][1])])
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ret.append([min(mbb[3][0], sbb[3][0]), min(mbb[3][1], sbb[3][1])])
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referenceInfo.bbox = ret
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return referenceInfo
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# the track should be the same for both
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