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wget_cbers_rgb_stack.sh
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wget_cbers_rgb_stack.sh
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#!/bin/bash
#
# ***************************************************************************
# Name : Wget CBERS RGB Stack
# Description : Download Zip from url(user order from email) with only Bands R G B, unzip them and create stack RGB
#
# Arguments:
# $1: user order
# $2: R band number
# $3: G band number
# $4: B band number
#
# Dependencies : wget, unzip, gdal_merge.py
#
# ***************************************************************************
# begin : 2016-05-04 (yyyy-mm-dd)
# copyright : (C) 2016 by Luiz Motta
# email : motta dot luiz at gmail.com
# ***************************************************************************
#
# Revisions
#
# 0000-00-00:
# - None
#
# ***************************************************************************
#
# Example:
# wget_cbers_rgb_stack.sh motta.luiz3241 7 8 6
#
# ***************************************************************************
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU General Public License as published by *
# * the Free Software Foundation; either version 2 of the License, or *
# * (at your option) any later version. *
# * *
# ***************************************************************************
#
###
download_cbers(){
local url="http://imagens.dgi.inpe.br/cdsr/"$userorder
#
local tmp_html=$userorder"_tmp.html"
wget -q -O $tmp_html -r -np -A "BAND" $url
local cmd_grep="grep -e BAND$r\.zip -e BAND$g\.zip -e BAND$b\.zip"
local total=$(cat $tmp_html | $(echo $cmd_grep) | wc -l)
rm $tmp_html
printf "Downloading %s ZIP's..." $total
#
wget -q -r -np -A "*_BAND$r\.zip" -A "*_BAND$g\.zip" -A "*_BAND$b\.zip" $url
#
for item in $(find . -type f -name "*.zip"); do mv $item .; done
rm -r imagens.dgi.inpe.br
}
unzip_cbers(){
local l_zip=$(ls *.zip)
local total=$(echo $l_zip | wc -w)
local name=""
local num=0
for item in $l_zip
do
num=$(echo "$num+1" | bc)
printf "\rUnzip %s (%s of %s)..." $item $num $total
unzip $item > /dev/null
rm $item
rm $(echo $item | sed 's/.zip/.xml/g')
done
}
stack_cbers(){
local imgs=$(ls *BAND*.tif | cut -d'_' -f-7 | sort | uniq)
local l_bands="_BAND$r.tif _BAND$g.tif _BAND$b.tif"
local suffix="_R"$r"G"$g"B"$b".tif"
local total=$(echo $imgs | wc -w)
local num=0
for img in $imgs
do
num=$(echo "$num+1" | bc)
s_bands=""
for item in $l_bands; do s_bands=$s_bands" "$img$item; done
error=$img"_error.log"
ls $s_bands > /dev/null 2>> $error
if [ $? -eq 0 ];then
rm -f $error
printf "\rCreating %s (%s of %s)..." $img$suffix $num $total
gdal_merge.py -q -separate -o $img$suffix $s_bands
rm $s_bands
else
log=$(cat $error)
echo $img":" > $error
echo $log >> $error
fi
done
#
ls *_error.log > /dev/null 2>> /dev/null
if [ $? -eq 0 ];then
printf "\r%-100s\n" "Error creating RGB TIF's (see log error)"
rm *_BAND*.tif
else
printf "\r%-100s\n" "Success created RGB TIF's( total "$total")"
fi
}
#
msg_error(){
local name_script=$(basename $0)
echo "Usage: $name_script <userorder> <R> <G> <B>" >&2
echo "<userorder> User order from INPE email"
echo "<R> Number of Band for Red" >&2
echo "<G> Number of Band for Green" >&2
echo "<B> Number of Band for Blue" >&2
echo ""
echo "Example: wget_cbers_images.sh motta.luiz3241 7 8 6"
exit 1
}
#
totalargs=4
#
if [ $# -ne $totalargs ] ; then
msg_error
exit 1
fi
###
userorder=$1
r=$2
g=$3
b=$4
#
download_cbers
unzip_cbers
stack_cbers