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microproduct/dem-sentiral/ISCEApp/site-packages/osgeo_utils/gdal_calc.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# ******************************************************************************
#
# Project: GDAL
# Purpose: Command line raster calculator with numpy syntax
# Author: Chris Yesson, chris.yesson@ioz.ac.uk
#
# ******************************************************************************
# Copyright (c) 2010, Chris Yesson <chris.yesson@ioz.ac.uk>
# Copyright (c) 2010-2011, Even Rouault <even dot rouault at spatialys.com>
# Copyright (c) 2016, Piers Titus van der Torren <pierstitus@gmail.com>
# Copyright (c) 2020, Idan Miara <idan@miara.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
# ******************************************************************************
################################################################
# Command line raster calculator with numpy syntax.
# Use any basic arithmetic supported by numpy arrays such as +-*\ along with logical operators such as >.
# Note that all files must have the same dimensions, but no projection checking is performed.
# Use gdal_calc.py --help for list of options.
# example 1 - add two files together
# gdal_calc.py -A input1.tif -B input2.tif --outfile=result.tif --calc="A+B"
# example 2 - average of two layers
# gdal_calc.py -A input.tif -B input2.tif --outfile=result.tif --calc="(A+B)/2"
# example 3 - set values of zero and below to null
# gdal_calc.py -A input.tif --outfile=result.tif --calc="A*(A>0)" --NoDataValue=0
# example 4 - using logical operator to keep a range of values from input:
# gdal_calc.py -A input.tif --outfile=result.tif --calc="A*logical_and(A>100,A<150)"
# example 5 - work with multiple bands:
# gdal_calc.py -A input.tif --A_band=1 -B input.tif --B_band=2 --outfile=result.tif --calc="(A+B)/2" --calc="A*logical_and(A>100,A<150)"
################################################################
import textwrap
from numbers import Number
from typing import Union, Tuple, Optional, Sequence
import argparse
import os
import os.path
import sys
import string
from collections import defaultdict
import numpy
from osgeo import gdal
from osgeo import gdal_array
from osgeo_utils.auxiliary.base import is_path_like, PathLikeOrStr
from osgeo_utils.auxiliary.util import GetOutputDriverFor
from osgeo_utils.auxiliary.extent_util import Extent, GT
from osgeo_utils.auxiliary import extent_util
from osgeo_utils.auxiliary.rectangle import GeoRectangle
from osgeo_utils.auxiliary.color_table import get_color_table
from osgeo_utils.auxiliary.gdal_argparse import GDALArgumentParser
GDALDataType = int
# create alphabetic list (lowercase + uppercase) for storing input layers
AlphaList = list(string.ascii_letters)
# set up some default nodatavalues for each datatype
DefaultNDVLookup = {gdal.GDT_Byte: 255, gdal.GDT_UInt16: 65535, gdal.GDT_Int16: -32768,
gdal.GDT_UInt32: 4294967293, gdal.GDT_Int32: -2147483647,
gdal.GDT_Float32: 3.402823466E+38, gdal.GDT_Float64: 1.7976931348623158E+308}
# tuple of available output datatypes names
GDALDataTypeNames = tuple(gdal.GetDataTypeName(dt) for dt in DefaultNDVLookup.keys())
def doit(opts):
# pylint: disable=unused-argument
if opts.debug:
print("gdal_calc.py starting calculation %s" % (opts.calc))
# set up global namespace for eval with all functions of gdal_array, numpy
global_namespace = {key: getattr(module, key)
for module in [gdal_array, numpy] for key in dir(module) if not key.startswith('__')}
if opts.user_namespace:
global_namespace.update(opts.user_namespace)
if not opts.calc:
raise Exception("No calculation provided.")
elif not opts.outF and opts.format.upper() != 'MEM':
raise Exception("No output file provided.")
if opts.format is None:
opts.format = GetOutputDriverFor(opts.outF)
if not hasattr(opts, "color_table"):
opts.color_table = None
if isinstance(opts.extent, GeoRectangle):
pass
elif opts.projwin:
if isinstance(opts.projwin, GeoRectangle):
opts.extent = opts.projwin
else:
opts.extent = GeoRectangle.from_lurd(*opts.projwin)
elif not opts.extent:
opts.extent = Extent.IGNORE
else:
opts.extent = extent_util.parse_extent(opts.extent)
compatible_gt_eps = 0.000001
gt_diff_support = {
GT.INCOMPATIBLE_OFFSET: opts.extent != Extent.FAIL,
GT.INCOMPATIBLE_PIXEL_SIZE: False,
GT.INCOMPATIBLE_ROTATION: False,
GT.NON_ZERO_ROTATION: False,
}
gt_diff_error = {
GT.INCOMPATIBLE_OFFSET: 'different offset',
GT.INCOMPATIBLE_PIXEL_SIZE: 'different pixel size',
GT.INCOMPATIBLE_ROTATION: 'different rotation',
GT.NON_ZERO_ROTATION: 'non zero rotation',
}
################################################################
# fetch details of input layers
################################################################
# set up some lists to store data for each band
myFileNames = [] # input filenames
myFiles = [] # input DataSets
myBands = [] # input bands
myAlphaList = [] # input alpha letter that represents each input file
myDataType = [] # string representation of the datatype of each input file
myDataTypeNum = [] # datatype of each input file
myNDV = [] # nodatavalue for each input file
DimensionsCheck = None # dimensions of the output
Dimensions = [] # Dimensions of input files
ProjectionCheck = None # projection of the output
GeoTransformCheck = None # GeoTransform of the output
GeoTransforms = [] # GeoTransform of each input file
GeoTransformDiffer = False # True if we have inputs with different GeoTransforms
myTempFileNames = [] # vrt filename from each input file
myAlphaFileLists = [] # list of the Alphas which holds a list of inputs
# loop through input files - checking dimensions
for alphas, filenames in opts.input_files.items():
if isinstance(filenames, (list, tuple)):
# alpha is a list of files
myAlphaFileLists.append(alphas)
elif is_path_like(filenames) or isinstance(filenames, gdal.Dataset):
# alpha is a single filename or a Dataset
filenames = [filenames]
alphas = [alphas]
else:
# I guess this alphas should be in the global_namespace,
# It would have been better to pass it as user_namepsace, but I'll accept it anyway
global_namespace[alphas] = filenames
continue
for alpha, filename in zip(alphas * len(filenames), filenames):
if not alpha.endswith("_band"):
# check if we have asked for a specific band...
if "%s_band" % alpha in opts.input_files:
myBand = opts.input_files["%s_band" % alpha]
else:
myBand = 1
myF_is_ds = not is_path_like(filename)
if myF_is_ds:
myFile = filename
filename = None
else:
filename = str(filename)
myFile = gdal.Open(filename, gdal.GA_ReadOnly)
if not myFile:
raise IOError("No such file or directory: '%s'" % filename)
myFileNames.append(filename)
myFiles.append(myFile)
myBands.append(myBand)
myAlphaList.append(alpha)
dt = myFile.GetRasterBand(myBand).DataType
myDataType.append(gdal.GetDataTypeName(dt))
myDataTypeNum.append(dt)
myNDV.append(None if opts.hideNoData else myFile.GetRasterBand(myBand).GetNoDataValue())
# check that the dimensions of each layer are the same
myFileDimensions = [myFile.RasterXSize, myFile.RasterYSize]
if DimensionsCheck:
if DimensionsCheck != myFileDimensions:
GeoTransformDiffer = True
if opts.extent in [Extent.IGNORE, Extent.FAIL]:
raise Exception(
"Error! Dimensions of file %s (%i, %i) are different from other files (%i, %i). Cannot proceed" %
(filename, myFileDimensions[0], myFileDimensions[1], DimensionsCheck[0],
DimensionsCheck[1]))
else:
DimensionsCheck = myFileDimensions
# check that the Projection of each layer are the same
myProjection = myFile.GetProjection()
if ProjectionCheck:
if opts.projectionCheck and ProjectionCheck != myProjection:
raise Exception(
"Error! Projection of file %s %s are different from other files %s. Cannot proceed" %
(filename, myProjection, ProjectionCheck))
else:
ProjectionCheck = myProjection
# check that the GeoTransforms of each layer are the same
myFileGeoTransform = myFile.GetGeoTransform(can_return_null=True)
if opts.extent == Extent.IGNORE:
GeoTransformCheck = myFileGeoTransform
else:
Dimensions.append(myFileDimensions)
GeoTransforms.append(myFileGeoTransform)
if not GeoTransformCheck:
GeoTransformCheck = myFileGeoTransform
else:
my_gt_diff = extent_util.gt_diff(GeoTransformCheck, myFileGeoTransform, eps=compatible_gt_eps,
diff_support=gt_diff_support)
if my_gt_diff not in [GT.SAME, GT.ALMOST_SAME]:
GeoTransformDiffer = True
if my_gt_diff != GT.COMPATIBLE_DIFF:
raise Exception(
"Error! GeoTransform of file {} {} is incompatible ({}), first file GeoTransform is {}. Cannot proceed".
format(filename, myFileGeoTransform, gt_diff_error[my_gt_diff],
GeoTransformCheck))
if opts.debug:
print("file %s: %s, dimensions: %s, %s, type: %s" % (
alpha, filename, DimensionsCheck[0], DimensionsCheck[1], myDataType[-1]))
# process allBands option
allBandsIndex = None
allBandsCount = 1
if opts.allBands:
if len(opts.calc) > 1:
raise Exception("Error! --allBands implies a single --calc")
try:
allBandsIndex = myAlphaList.index(opts.allBands)
except ValueError:
raise Exception("Error! allBands option was given but Band %s not found. Cannot proceed" % (opts.allBands))
allBandsCount = myFiles[allBandsIndex].RasterCount
if allBandsCount <= 1:
allBandsIndex = None
else:
allBandsCount = len(opts.calc)
if opts.extent not in [Extent.IGNORE, Extent.FAIL] and (
GeoTransformDiffer or isinstance(opts.extent, GeoRectangle)):
# mixing different GeoTransforms/Extents
GeoTransformCheck, DimensionsCheck, ExtentCheck = extent_util.calc_geotransform_and_dimensions(
GeoTransforms, Dimensions, opts.extent)
if GeoTransformCheck is None:
raise Exception("Error! The requested extent is empty. Cannot proceed")
for i in range(len(myFileNames)):
temp_vrt_filename, temp_vrt_ds = extent_util.make_temp_vrt(myFiles[i], ExtentCheck)
myTempFileNames.append(temp_vrt_filename)
myFiles[i] = None # close original ds
myFiles[i] = temp_vrt_ds # replace original ds with vrt_ds
# update the new precise dimensions and gt from the new ds
GeoTransformCheck = temp_vrt_ds.GetGeoTransform()
DimensionsCheck = [temp_vrt_ds.RasterXSize, temp_vrt_ds.RasterYSize]
temp_vrt_ds = None
################################################################
# set up output file
################################################################
# open output file exists
if opts.outF and os.path.isfile(opts.outF) and not opts.overwrite:
if allBandsIndex is not None:
raise Exception("Error! allBands option was given but Output file exists, must use --overwrite option!")
if len(opts.calc) > 1:
raise Exception(
"Error! multiple calc options were given but Output file exists, must use --overwrite option!")
if opts.debug:
print("Output file %s exists - filling in results into file" % (opts.outF))
myOut = gdal.Open(opts.outF, gdal.GA_Update)
if myOut is None:
error = 'but cannot be opened for update'
elif [myOut.RasterXSize, myOut.RasterYSize] != DimensionsCheck:
error = 'but is the wrong size'
elif ProjectionCheck and ProjectionCheck != myOut.GetProjection():
error = 'but is the wrong projection'
elif GeoTransformCheck and GeoTransformCheck != myOut.GetGeoTransform(can_return_null=True):
error = 'but is the wrong geotransform'
else:
error = None
if error:
raise Exception(
"Error! Output exists, %s. Use the --overwrite option to automatically overwrite the existing file" % error)
myOutB = myOut.GetRasterBand(1)
myOutNDV = myOutB.GetNoDataValue()
myOutType = myOutB.DataType
else:
if opts.outF:
# remove existing file and regenerate
if os.path.isfile(opts.outF):
os.remove(opts.outF)
# create a new file
if opts.debug:
print("Generating output file %s" % (opts.outF))
else:
opts.outF = ''
# find data type to use
if not opts.type:
# use the largest type of the input files
myOutType = max(myDataTypeNum)
else:
myOutType = opts.type
if isinstance(myOutType, str):
myOutType = gdal.GetDataTypeByName(myOutType)
# create file
myOutDrv = gdal.GetDriverByName(opts.format)
myOut = myOutDrv.Create(
opts.outF, DimensionsCheck[0], DimensionsCheck[1], allBandsCount,
myOutType, opts.creation_options)
# set output geo info based on first input layer
if not GeoTransformCheck:
GeoTransformCheck = myFiles[0].GetGeoTransform(can_return_null=True)
if GeoTransformCheck:
myOut.SetGeoTransform(GeoTransformCheck)
if not ProjectionCheck:
ProjectionCheck = myFiles[0].GetProjection()
if ProjectionCheck:
myOut.SetProjection(ProjectionCheck)
if opts.NoDataValue is None:
myOutNDV = None if opts.hideNoData else DefaultNDVLookup[
myOutType] # use the default noDataValue for this datatype
elif isinstance(opts.NoDataValue, str) and opts.NoDataValue.lower() == 'none':
myOutNDV = None # not to set any noDataValue
else:
myOutNDV = opts.NoDataValue # use the given noDataValue
for i in range(1, allBandsCount + 1):
myOutB = myOut.GetRasterBand(i)
if myOutNDV is not None:
myOutB.SetNoDataValue(myOutNDV)
if opts.color_table:
# set color table and color interpretation
if is_path_like(opts.color_table):
opts.color_table = get_color_table(opts.color_table)
myOutB.SetRasterColorTable(opts.color_table)
myOutB.SetRasterColorInterpretation(gdal.GCI_PaletteIndex)
myOutB = None # write to band
myOutTypeName = gdal.GetDataTypeName(myOutType)
if opts.debug:
print("output file: %s, dimensions: %s, %s, type: %s" % (
opts.outF, myOut.RasterXSize, myOut.RasterYSize, myOutTypeName))
################################################################
# find block size to chop grids into bite-sized chunks
################################################################
# use the block size of the first layer to read efficiently
myBlockSize = myFiles[0].GetRasterBand(myBands[0]).GetBlockSize()
# find total x and y blocks to be read
nXBlocks = (int)((DimensionsCheck[0] + myBlockSize[0] - 1) / myBlockSize[0])
nYBlocks = (int)((DimensionsCheck[1] + myBlockSize[1] - 1) / myBlockSize[1])
myBufSize = myBlockSize[0] * myBlockSize[1]
if opts.debug:
print("using blocksize %s x %s" % (myBlockSize[0], myBlockSize[1]))
# variables for displaying progress
ProgressCt = -1
ProgressMk = -1
ProgressEnd = nXBlocks * nYBlocks * allBandsCount
################################################################
# start looping through each band in allBandsCount
################################################################
for bandNo in range(1, allBandsCount + 1):
################################################################
# start looping through blocks of data
################################################################
# store these numbers in variables that may change later
nXValid = myBlockSize[0]
nYValid = myBlockSize[1]
# loop through X-lines
for X in range(0, nXBlocks):
# in case the blocks don't fit perfectly
# change the block size of the final piece
if X == nXBlocks - 1:
nXValid = DimensionsCheck[0] - X * myBlockSize[0]
# find X offset
myX = X * myBlockSize[0]
# reset buffer size for start of Y loop
nYValid = myBlockSize[1]
myBufSize = nXValid * nYValid
# loop through Y lines
for Y in range(0, nYBlocks):
ProgressCt += 1
if 10 * ProgressCt / ProgressEnd % 10 != ProgressMk and not opts.quiet:
ProgressMk = 10 * ProgressCt / ProgressEnd % 10
from sys import version_info
if version_info >= (3, 0, 0):
exec('print("%d.." % (10*ProgressMk), end=" ")')
else:
exec('print 10*ProgressMk, "..",')
# change the block size of the final piece
if Y == nYBlocks - 1:
nYValid = DimensionsCheck[1] - Y * myBlockSize[1]
myBufSize = nXValid * nYValid
# find Y offset
myY = Y * myBlockSize[1]
# create empty buffer to mark where nodata occurs
myNDVs = None
# make local namespace for calculation
local_namespace = {}
val_lists = defaultdict(list)
# fetch data for each input layer
for i, Alpha in enumerate(myAlphaList):
# populate lettered arrays with values
if allBandsIndex is not None and allBandsIndex == i:
myBandNo = bandNo
else:
myBandNo = myBands[i]
myval = gdal_array.BandReadAsArray(myFiles[i].GetRasterBand(myBandNo),
xoff=myX, yoff=myY,
win_xsize=nXValid, win_ysize=nYValid)
if myval is None:
raise Exception('Input block reading failed from filename %s' % filename[i])
# fill in nodata values
if myNDV[i] is not None:
# myNDVs is a boolean buffer.
# a cell equals to 1 if there is NDV in any of the corresponding cells in input raster bands.
if myNDVs is None:
# this is the first band that has NDV set. we initializes myNDVs to a zero buffer
# as we didn't see any NDV value yet.
myNDVs = numpy.zeros(myBufSize)
myNDVs.shape = (nYValid, nXValid)
myNDVs = 1 * numpy.logical_or(myNDVs == 1, myval == myNDV[i])
# add an array of values for this block to the eval namespace
if Alpha in myAlphaFileLists:
val_lists[Alpha].append(myval)
else:
local_namespace[Alpha] = myval
myval = None
for lst in myAlphaFileLists:
local_namespace[lst] = val_lists[lst]
# try the calculation on the array blocks
calc = opts.calc[bandNo - 1 if len(opts.calc) > 1 else 0]
try:
myResult = eval(calc, global_namespace, local_namespace)
except:
print("evaluation of calculation %s failed" % (calc))
raise
# Propagate nodata values (set nodata cells to zero
# then add nodata value to these cells).
if myNDVs is not None and myOutNDV is not None:
myResult = ((1 * (myNDVs == 0)) * myResult) + (myOutNDV * myNDVs)
elif not isinstance(myResult, numpy.ndarray):
myResult = numpy.ones((nYValid, nXValid)) * myResult
# write data block to the output file
myOutB = myOut.GetRasterBand(bandNo)
if gdal_array.BandWriteArray(myOutB, myResult, xoff=myX, yoff=myY) != 0:
raise Exception('Block writing failed')
myOutB = None # write to band
# remove temp files
for idx, tempFile in enumerate(myTempFileNames):
myFiles[idx] = None
os.remove(tempFile)
gdal.ErrorReset()
myOut.FlushCache()
if gdal.GetLastErrorMsg() != '':
raise Exception('Dataset writing failed')
if not opts.quiet:
print("100 - Done")
return myOut
################################################################
def Calc(calc: Union[str, Sequence[str]], outfile: Optional[PathLikeOrStr] = None, NoDataValue: Optional[Number] = None,
type: Optional[Union[GDALDataType, str]] = None, format: Optional[str] = None,
creation_options: Optional[Sequence[str]] = None, allBands: str = '', overwrite: bool = False,
hideNoData: bool = False, projectionCheck: bool = False,
color_table: Optional[Union[PathLikeOrStr, gdal.ColorTable]] = None,
extent: Optional[Extent] = None, projwin: Optional[Union[Tuple, GeoRectangle]] = None, user_namespace=None,
debug: bool = False, quiet: bool = False, **input_files):
""" Perform raster calculations with numpy syntax.
Use any basic arithmetic supported by numpy arrays such as +-* along with logical
operators such as >. Note that all files must have the same dimensions, but no projection checking is performed.
Keyword arguments:
[A-Z]: input files
[A_band - Z_band]: band to use for respective input file
Examples:
add two files together:
Calc("A+B", A="input1.tif", B="input2.tif", outfile="result.tif")
average of two layers:
Calc(calc="(A+B)/2", A="input1.tif", B="input2.tif", outfile="result.tif")
set values of zero and below to null:
Calc(calc="A*(A>0)", A="input.tif", A_band=2, outfile="result.tif", NoDataValue=0)
work with two bands:
Calc(["(A+B)/2", "A*(A>0)"], A="input.tif", A_band=1, B="input.tif", B_band=2, outfile="result.tif", NoDataValue=0)
sum all files with hidden noDataValue
Calc(calc="sum(a,axis=0)", a=['0.tif','1.tif','2.tif'], outfile="sum.tif", hideNoData=True)
"""
opts = argparse.Namespace()
opts.input_files = input_files
# Single calc value compatibility
# (type is overridden in the parameter list)
if isinstance(calc, (list, tuple)):
opts.calc = calc
else:
opts.calc = [calc]
opts.outF = outfile
opts.NoDataValue = NoDataValue
opts.type = type
opts.format = format
opts.creation_options = [] if creation_options is None else creation_options
opts.allBands = allBands
opts.overwrite = overwrite
opts.hideNoData = hideNoData
opts.projectionCheck = projectionCheck
opts.color_table = color_table
opts.extent = extent
opts.projwin = projwin
opts.user_namespace = user_namespace
opts.debug = debug
opts.quiet = quiet
return doit(opts)
def add_alpha_args(parser, argv):
if '--help' in argv:
alpha_list = ['A'] # we don't want to make help with all the full alpha list, as it's too long...
else:
alpha_list = AlphaList
for alpha in alpha_list:
try:
band = alpha + '_band'
alpha_arg = '-' + alpha
band_arg = '--' + band
parser.add_argument(alpha_arg, action="extend", nargs='*', type=str,
help="input gdal raster file, you can use any letter [a-z, A-Z]", metavar='filename')
parser.add_argument(band_arg, action="extend", nargs='*', type=int,
help="number of raster band for file %s (default 1)" % alpha, metavar='n')
except argparse.ArgumentError:
pass
def main(argv):
parser = GDALArgumentParser(
# add an explicit --help option because the standard -h/--help option is not valid as -h is an alpha option
add_help='--help',
formatter_class=argparse.RawDescriptionHelpFormatter,
description=textwrap.dedent('''\
Command line raster calculator with numpy syntax.
Use any basic arithmetic supported by numpy arrays such as +, -, *, and
along with logical operators such as >.
Note that all files must have the same dimensions (unless extent option is used),
but no projection checking is performed (unless projectionCheck option is used).'''))
parser.add_argument("--calc", dest="calc", type=str, required=True, nargs='*', action="extend",
help="calculation in numpy syntax using +-/* or any numpy array functions (i.e. log10()). "
"May appear multiple times to produce a multi-band file", metavar="expression")
add_alpha_args(parser, argv)
parser.add_argument("--outfile", dest="outF", required=True, metavar="filename",
help="output file to generate or fill")
parser.add_argument("--NoDataValue", dest="NoDataValue", type=float, metavar="value",
help="output nodata value (default datatype specific value)")
parser.add_argument("--hideNoData", dest="hideNoData", action="store_true",
help="ignores the NoDataValues of the input rasters")
parser.add_argument("--type", dest="type", type=str, metavar="datatype", choices=GDALDataTypeNames,
help="output datatype")
parser.add_argument("--format", dest="format", type=str, metavar="gdal_format",
help="GDAL format for output file")
parser.add_argument(
"--creation-option", "--co", dest="creation_options", default=[], action="append", metavar="option",
help="Passes a creation option to the output format driver. Multiple "
"options may be listed. See format specific documentation for legal "
"creation options for each format.")
parser.add_argument("--allBands", dest="allBands", type=str, default="", metavar="[a-z, A-Z]",
help="process all bands of given raster [a-z, A-Z]")
parser.add_argument("--overwrite", dest="overwrite", action="store_true",
help="overwrite output file if it already exists")
parser.add_argument("--debug", dest="debug", action="store_true", help="print debugging information")
parser.add_argument("--quiet", dest="quiet", action="store_true", help="suppress progress messages")
parser.add_argument("--color-table", type=str, dest="color_table", help="color table file name")
group = parser.add_mutually_exclusive_group()
group.add_argument("--extent", dest="extent",
choices=[e.name.lower() for e in Extent],
help="how to treat mixed geotrasnforms")
group.add_argument("--projwin", dest="projwin", type=float, nargs=4, metavar=('ulx', 'uly', 'lrx', 'lry'),
help="extent corners given in georeferenced coordinates")
parser.add_argument("--projectionCheck", dest="projectionCheck", action="store_true",
help="check that all rasters share the same projection")
opts = parser.parse_args(argv[1:], optfile_arg="--optfile")
try:
# create the input_files dict from the alpha arguments ('-a' and '--a_band')
input_files = {}
for alpha in AlphaList:
alpha_val = getattr(opts, alpha, None)
if alpha_val is not None:
delattr(opts, alpha)
alpha_val = [s.strip('"') for s in alpha_val]
input_files[alpha] = alpha_val if len(alpha_val) > 1 else alpha_val[0]
band_key = alpha + '_band'
band_val = getattr(opts, band_key, None)
if band_val is not None:
delattr(opts, band_key)
input_files[band_key] = band_val if len(band_val) > 1 else band_val[0]
opts.input_files = input_files
opts.calc = [s.strip('"') for s in opts.calc]
if not hasattr(opts, "user_namespace"):
opts.user_namespace = {}
# opts.calc = str(opts.calc).strip()
doit(opts)
except Exception as e:
print(e)
return 1
if __name__ == '__main__':
sys.exit(main(sys.argv))
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