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preprocessing.py
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preprocessing.py
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import os
from pathlib import Path
import glob
import shutil
import shlex
from qgis.core import QgsVectorFileWriter
from .setup import check, getTempdir, cleanTempdir
from .common import getInterpreter, getScript, getInputLayer, runCommand
def sentinel2(backend, inputLayer, inputSen2Cor, inputSuperRes, inputCloudMask, inputClip, outputCrs, outputDest, feedback):
#copying archive to temp dir
tempdir = getTempdir(feedback)
#cleanTempdir(tempdir, feedback)
feedback.pushInfo('Copying ' + inputLayer + ' to ' + str(tempdir))
shutil.copy(inputLayer, tempdir)
feedback.setProgress(int(5))
#saving clipping layer to file
if inputClip:
feedback.pushInfo('Saving vector layer to file')
clippath = os.path.join(tempdir, 'clip.gpkg')
QgsVectorFileWriter.writeAsVectorFormat(inputClip, clippath, 'utf-8', driverName='GPKG')
inputClip = 'clip.gpkg'
else:
inputClip = 'None'
feedback.setProgress(int(10))
#converting crs to wkt string
if outputCrs.isValid():
outputCrs = outputCrs.toWkt()
else:
outputCrs = 'None'
ready, started = check(backend, feedback)
feedback.setProgress(int(15))
if ready and started:
feedback.pushInfo('Starting Sentinel-2 preprocessing')
interpreter = getInterpreter(backend)
script = getScript('sentinel2.py', backend)
inputLayer = getInputLayer(inputLayer, tempdir, backend)
inputClip = getInputLayer(inputClip, tempdir, backend)
cmd = [interpreter, '-u', script, \
shlex.quote(inputLayer), str(int(inputSen2Cor)), \
str(int(inputSuperRes)), str(int(inputCloudMask)), \
shlex.quote(inputClip), shlex.quote(outputCrs)]
runCommand(cmd, backend, interpreter, tempdir, feedback)
feedback.setProgress(int(90))
feedback.pushInfo('Copying result to ' + outputDest)
resdir = glob.glob(tempdir + '/*/')[0]
destdir = os.path.join(outputDest, Path(resdir).parts[-1])
shutil.copytree(resdir, destdir)
feedback.setProgress(int(95))
cleanTempdir(tempdir, feedback)
feedback.setProgress(int(100))
def landsat(backend, inputLayer, inputCloudMask, inputPansharpen, inputKeepPan, inputResampling, inputTemperature, inputClip, outputCrs, outputDest, feedback):
#copying archive to temp dir
tempdir = getTempdir(feedback)
cleanTempdir(tempdir, feedback)
feedback.pushInfo('Copying ' + inputLayer + ' to ' + str(tempdir))
shutil.copy(inputLayer, tempdir)
feedback.setProgress(int(5))
#saving clipping layer to file
if inputClip:
feedback.pushInfo('Saving vector layer to file')
clippath = os.path.join(tempdir, 'clip.gpkg')
QgsVectorFileWriter.writeAsVectorFormat(inputClip, clippath, 'utf-8', driverName='GPKG')
inputClip = 'clip.gpkg'
else:
inputClip = 'None'
feedback.setProgress(int(10))
#converting crs to wkt string
if outputCrs.isValid():
outputCrs = outputCrs.toWkt()
else:
outputCrs = 'None'
ready, started = check(backend, feedback)
feedback.setProgress(int(15))
if ready and started:
feedback.pushInfo('Starting Landsat preprocessing')
interpreter = getInterpreter(backend)
script = getScript('landsat.py', backend)
inputLayer = getInputLayer(inputLayer, tempdir, backend)
inputClip = getInputLayer(inputClip, tempdir, backend)
cmd = [interpreter, '-u', script,\
shlex.quote(inputLayer), str(int(inputCloudMask)),\
str(int(inputPansharpen)), str(int(inputKeepPan)), \
inputResampling, inputTemperature, shlex.quote(inputClip), shlex.quote(outputCrs)]
runCommand(cmd, backend, interpreter, tempdir, feedback)
feedback.setProgress(int(90))
feedback.pushInfo('Copying result to ' + outputDest)
resdir = glob.glob(tempdir + '/*/')[0]
destdir = os.path.join(outputDest, Path(resdir).parts[-1])
shutil.copytree(resdir, destdir)
feedback.setProgress(int(95))
cleanTempdir(tempdir, feedback)
feedback.setProgress(int(100))
def mosaic(backend, inputMultiBand, inputLayers, inputFill, inputFillDistance, inputClip, outputCrs, inputNodata, inputReference, inputResampling, inputNodataOrder, inputKeepAllChannels, outputDest, feedback):
if inputMultiBand:
#replacing file names with folder names
folders = []
for layer in inputLayers:
folders.append(os.path.dirname(layer))
folders = list(set(folders))
inputLayers = folders
else:
#getting file names
folders = []
for layer in inputLayers:
folders.append(layer)
folders = list(set(folders))
inputLayers = folders
#copying data to temp dir
tempdir = getTempdir(feedback)
cleanTempdir(tempdir, feedback)
feedback.pushInfo('Copying data to ' + str(tempdir))
os.mkdir(os.path.join(tempdir, 'input'))
for i in inputLayers:
if inputMultiBand:
shutil.copytree(i, os.path.join(tempdir, 'input', Path(i).parts[-1]))
else:
shutil.copy(i, os.path.join(tempdir, 'input'))
feedback.setProgress(int(5))
if inputReference:
shutil.copy(inputReference, tempdir)
inputReference = getInputLayer(inputReference, tempdir, backend)
else:
inputReference = 'None'
#saving clipping layer to file
if inputClip:
feedback.pushInfo('Saving vector layer to file')
clippath = os.path.join(tempdir, 'clip.gpkg')
QgsVectorFileWriter.writeAsVectorFormat(inputClip, clippath, 'utf-8', driverName='GPKG')
inputClip = 'clip.gpkg'
else:
inputClip = 'None'
feedback.setProgress(int(10))
#converting crs to wkt string
if outputCrs.isValid():
outputCrs = outputCrs.toWkt()
else:
outputCrs = 'None'
#creating output folder
os.mkdir(os.path.join(tempdir, 'output'))
ready, started = check(backend, feedback)
feedback.setProgress(int(15))
if ready and started:
feedback.pushInfo('Starting rasters merge')
interpreter = getInterpreter(backend)
script = getScript('mosaic.py', backend)
inputClip = getInputLayer(inputClip, tempdir, backend)
if backend == 'docker':
td = '/mnt/temp/'
else:
td = tempdir
cmd = [interpreter, '-u', script, \
shlex.quote(td), str(int(inputFill)), str(int(inputFillDistance)), \
str(inputNodata), shlex.quote(inputReference), inputResampling, \
str(int(inputNodataOrder)), str(int(inputKeepAllChannels)), shlex.quote(inputClip), \
shlex.quote(outputCrs)]
runCommand(cmd, backend, interpreter, tempdir, feedback)
feedback.setProgress(int(90))
feedback.pushInfo('Copying result to ' + outputDest)
results = glob.glob(os.path.join(tempdir, 'output') + '/*.tif')
for result in results:
shutil.copy(result, outputDest)
feedback.setProgress(int(95))
cleanTempdir(tempdir, feedback)
feedback.setProgress(int(100))
def normalize(backend, inputLayer, inputMin, inputMax, outputDest, feedback):
#copying files to temp dir
tempdir = getTempdir(feedback)
cleanTempdir(tempdir, feedback)
feedback.pushInfo('Copying ' + inputLayer + ' to ' + str(tempdir))
shutil.copy(inputLayer, tempdir)
feedback.setProgress(int(5))
ready, started = check(backend, feedback)
feedback.setProgress(int(15))
if ready and started:
feedback.pushInfo('Starting rasters min/max normalization')
interpreter = getInterpreter(backend)
script = getScript('normalize.py', backend)
inputLayer = getInputLayer(inputLayer, tempdir, backend)
outputLayer = getInputLayer(outputDest, tempdir, backend)
cmd = [interpreter, '-u', script,\
shlex.quote(inputLayer), str(inputMin), str(inputMax), shlex.quote(outputLayer)]
runCommand(cmd, backend, interpreter, tempdir, feedback)
feedback.setProgress(int(90))
feedback.pushInfo('Copying result to ' + outputDest)
result = os.path.join(tempdir, os.path.basename(outputDest))
shutil.copy(result, os.path.dirname(outputDest))
feedback.setProgress(int(95))
cleanTempdir(tempdir, feedback)
feedback.setProgress(int(100))