ISCE_INSAR/components/mroipac/aikima/Aikima.py

149 lines
4.7 KiB
Python
Executable File

#!/usr/bin/env python3
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Copyright 2013 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: Piyush Agram
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
from __future__ import print_function
import isce
import sys
import os
import numpy
from iscesys.Component.Component import Component
from mroipac.aikima import aikima
class Aikima(Component):
def aikima(self, inImage=None, outImage=None, bands=None):
if not (inImage == None):
self.inImage = inImage
if (self.inImage == None):
print("Error. Input image not set.")
raise Exception
if not (outImage==None):
self.outImage = outImage
if (self.outImage == None):
print("Error. Output image not set.")
raise Exception
inAcc = self.inImage.getImagePointer()
outAcc = self.outImage.getImagePointer()
self.width = self.inImage.getWidth()
self.length = self.inImage.getLength()
self.setState()
if bands is None:
bands = numpy.arange(1,self.inImage.bands+1)
elif isinstance(bands,int):
bands = [bands]
for band in bands:
self.inImage.rewind()
self.outImage.rewind()
aikima.aikima_Py(inAcc,outAcc, band, band)
def setState(self):
if self.lastPixelAcross is None:
self.lastPixelAcross = self.width
if self.lastLineDown is None:
self.lastLineDown = self.length
aikima.setWidth_Py(int(self.width))
aikima.setLength_Py(int(self.length))
aikima.setFirstPixelAcross_Py(int(self.firstPixelAcross))
aikima.setLastPixelAcross_Py(int(self.lastPixelAcross))
aikima.setFirstLineDown_Py(int(self.firstLineDown))
aikima.setLastLineDown_Py(int(self.lastLineDown))
aikima.setBlockSize_Py(int(self.blockSize))
aikima.setPadSize_Py(int(self.padSize))
aikima.setNumberPtsPartial_Py(int(self.numberPtsPartial))
aikima.setThreshold_Py(float(self.threshold))
aikima.setPrintFlag_Py(int(self.printFlag))
def __init__(self):
Component.__init__(self)
self.width = None
self.length = None
self.blockSize = 64
self.padSize = 9
self.numberPtsPartial = 3
self.threshold = 0.9
self.firstPixelAcross = 0
self.lastPixelAcross = None
self.firstLineDown = 0
self.lastLineDown = None
self.printFlag = True
self.inImage = None
self.outImage = None
if __name__ == '__main__':
import isceobj
import numpy as np
Nx = 500
Ny = 300
Nrand = np.int(0.4*Nx*Ny)
x = np.arange(Nx, dtype=np.float32)/(1.0*Nx)
y = np.arange(Ny, dtype=np.float32)/(1.0*Ny)
d = (y[:,None])**2 + np.sin(x[None,:]*4*np.pi)
ii = np.random.randint(0,high = Ny,size=Nrand)
jj = np.random.randint(0,high=Nx, size=Nrand)
dorig = d.copy()
d[ii,jj] = np.nan
d = d.astype(np.float32)
d.tofile('test.flt')
####Setup inputs for the Aikima module
inImage = isceobj.createImage()
inImage.dataType='FLOAT'
inImage.initImage('test.flt','read',Nx)
inImage.createImage()
outImage = isceobj.createImage()
outImage.dataType='FLOAT'
outImage.initImage('test.out','write',Nx)
outImage.createImage()
aObj = Aikima()
aObj.printFlag = True
aObj.aikima(inImage=inImage, outImage=outImage, bands=1)
inImage.finalizeImage()
outImage.finalizeImage()