120 lines
3.9 KiB
Python
120 lines
3.9 KiB
Python
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#!/usr/bin/env python3
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Copyright 2010 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: Giangi Sacco
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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import sys
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import os
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import math
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import isce
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import isceobj
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from iscesys.Component.Component import Component
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from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
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from mroipac.looks import looks
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class Looks(Component):
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def looks(self):
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inImage = self.inputImage.clone()
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inImage.setAccessMode('READ')
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inImage.setCaster('read', inImage.dataType)
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inImage.createImage()
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outWidth = inImage.getWidth() // self.acrossLooks
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outLength = inImage.getLength() // self.downLooks
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outImage = self.inputImage.clone()
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#if the image is not a geo the part below will fail
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try:
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outImage.coord1.coordDelta = self.inputImage.coord1.coordDelta * self.acrossLooks
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outImage.coord2.coordDelta = self.inputImage.coord2.coordDelta * self.downLooks
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outImage.coord1.coordStart = self.inputImage.coord1.coordStart + \
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0.5*(self.acrossLooks - 1)*self.inputImage.coord1.coordDelta
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outImage.coord2.coordStart = self.inputImage.coord2.coordStart + \
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0.5*(self.downLooks - 1)*self.inputImage.coord2.coordDelta
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except:
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pass
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outImage.setWidth(outWidth)
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#need to do this since if length != 0 when calling createImage it
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#performs a sanity check on the filesize on disk and the size obtained from the meta
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#and exits if not consistent
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outImage.setLength(0)
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outImage.setFilename(self.outputFilename)
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outImage.setAccessMode('WRITE')
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outImage.setCaster('write', inImage.dataType)
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outImage.createImage()
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outImage.createFile(outLength)
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inPtr = inImage.getImagePointer()
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outPtr = outImage.getImagePointer()
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# 创建ENVI ，格式修改为 BIL
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outImage.finalizeImage()
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outImage.renderHdr()
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return outImage
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def setInputImage(self,var):
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self.inputImage = var
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return
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def setAcrossLooks(self, var):
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self.acrossLooks = int(var)
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return
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def setDownLooks(self, var):
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self.downLooks = int(var)
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def setOutputFilename(self, var):
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self.outputFilename = str(var)
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def __init__(self):
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Component.__init__(self)
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self.acrossLooks = None
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self.downLooks= None
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self.inputImage = None
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self.outputFilename = None
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#end class
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if __name__ == "__main__":
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sys.exit(main())
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