#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # Copyright 2012 California Institute of Technology. ALL RIGHTS RESERVED. # # 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 # # http://www.apache.org/licenses/LICENSE-2.0 # # 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 language governing permissions and # limitations under the License. # # United States Government Sponsorship acknowledged. This software is subject to # U.S. export control laws and regulations and has been classified as 'EAR99 NLR' # (No [Export] License Required except when exporting to an embargoed country, # end user, or in support of a prohibited end use). By downloading this software, # the user agrees to comply with all applicable U.S. export laws and regulations. # The user has the responsibility to obtain export licenses, or other export # authority as may be required before exporting this software to any 'EAR99' # embargoed foreign country or citizen of those countries. # # Author: Brett George #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ import isceobj from mroipac.grass.grass import Grass ## Interface to get class attributes's attributes that the function needs def runGrass(self): return fGrass(self.insar.resampIntImage.width, self.insar.topophaseFlatFilename) ## A fully context managed (2.6.x format) execution of the function def fGrass(widthInt, topoflatIntFilename): with isceobj.contextIntImage( filename=topoflatIntFilename, width=widthInt, accessMode='read') as intImage: ## Note: filename is extecpted to end in'.flat'- what ## if it doesn't??? Use: ## os.path.extsep + topoflatIntFilename.split(os.path.extsep)[-1] with isceobj.contextOffsetImage( filename=topoflatIntFilename.replace('.flat', '.cor'), width=widthInt, accessMode='write') as cohImage: with isceobj.contextIntImage( filename=topoflatIntFilename.replace('.flat', '.unw'), width=widthInt, accessMode='write') as unwImage: grass = Grass() grass.wireInputPort(name='interferogram', object=intImage) grass.wireInputPort(name='correlation', object=cohImage) grass.wireOutputPort(name='unwrapped interferogram', object=unwImage) grass.unwrap() pass pass pass return None