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mk_tiles.sh
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mk_tiles.sh
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#!/bin/bash
#
# ***************************************************************************
# Name : mk_tiles
# Description : Make TMS from image
#
# Arguments:
# $1: Image for tiles
# $2: Zoom min
# $3: Zoom max
# $4: Diretory TMS
# $5: Diretory PNG
# $6: URL for TMS
#
# Dependencies : gdal 1.10.1, dans-gdal-script 0.23-2(gdal_contrast_stretch), tilers-tools 3.2.0(gdal_tiler.py), gdal_thumbnail.sh
#
# ***************************************************************************
# begin : 2015-03-02 (yyyy-mm-dd)
# copyright : (C) 2015 by Luiz Motta
# email : motta dot luiz at gmail.com
# ***************************************************************************
#
# Revisions
#
# 2015-07-16
# - Added tag <TargetWindow> from image in GDAL_WMS
# 2015-04-25:
# - Remove input number of R G B bands
#
# ***************************************************************************
#
# Examples:
# CBERS (bands 2, 3 and 4):
# mk_tiles.sh 173-112_20080826_CBERS2B_CCD_B234_RET.tif 3 15 /public/tms /public/jpg http://10.1.8.20/tms
#
# Rapid Eye (bands 4, 5 and 3)
# mk_tiles.sh 2034016_2011-05-28T152704_RE1_3A-NAC_11056706_149189.tif 3 17 /public/tms /public/jpg
#
# ***************************************************************************
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU General Public License as published by *
# * the Free Software Foundation; either version 2 of the License, or *
# * (at your option) any later version. *
# * *
# ***************************************************************************
#
calc_extent_json(){
local tmp_file=$(mktemp)
gdalinfo -nogcp -nomd -norat -noct $in_img > $tmp_file
local ul=$(cat $tmp_file | grep "Upper Left" | cut -d'(' -f2 | cut -d')' -f1 | sed 's/[[:blank:]]*//g')
local lr=$(cat $tmp_file | grep "Lower Right" | cut -d'(' -f2 | cut -d')' -f1 | sed 's/[[:blank:]]*//g')
local epsg=$(cat $tmp_file | grep EPSG | grep "]]$" | cut -d'[' -f2 | cut -d',' -f2 | cut -d']' -f1 | sed 's/"//g' )
rm $tmp_file
local ok_ul=$(expr length "$ul")
local ok_lr=$(expr length "$lr")
local ok_epsg=$(expr length "$epsg")
if [ $ok_ul -eq 0 -o $ok_lr -eq 0 -o $ok_epsg -eq 0 ] ; then
isok=0
return
fi
extent_json="{
\"type\": \"FeatureCollection\",
\"crs\": { \"type\": \"name\", \"properties\": { \"name\": \"urn:ogc:def:crs:EPSG::"$epsg"\" } },
\"features\": [
{ \"type\": \"Feature\",
\"properties\": { \"name\": \"UpperLeft\"},
\"geometry\": {
\"type\": \"Point\",
\"coordinates\": [ "$ul" ]
}
},
{ \"type\": \"Feature\",
\"properties\":{ \"name\": \"LowerRight\"},
\"geometry\": {
\"type\": \"Point\",
\"coordinates\": [ "$lr" ]
}
}
]
}"
isok=1
}
#
calc_target_window(){
local tmp_file=$(mktemp)
local extent_json3857="tmp.geojson"
local tmp_dir=$(mktemp -d)
echo $extent_json > $tmp_file
ogr2ogr -t_srs EPSG:3857 -f GeoJSON $tmp_dir"/"$extent_json3857 $tmp_file
#
local ulx=$(cat $tmp_dir"/"$extent_json3857 | grep "UpperLeft" | cut -d':' -f7 | cut -d',' -f1 | cut -d'[' -f2 | sed 's/[[:blank:]]*//g')
local uly=$(cat $tmp_dir"/"$extent_json3857 | grep "UpperLeft" | cut -d':' -f7 | cut -d',' -f2 | cut -d']' -f1 | sed 's/[[:blank:]]*//g')
local lrx=$(cat $tmp_dir"/"$extent_json3857 | grep "LowerRight" | cut -d':' -f7 | cut -d',' -f1 | cut -d'[' -f2 | sed 's/[[:blank:]]*//g')
local lry=$(cat $tmp_dir"/"$extent_json3857 | grep "LowerRight" | cut -d':' -f7 | cut -d',' -f2 | cut -d']' -f1 | sed 's/[[:blank:]]*//g')
# clean
rm -r $tmp_dir
rm $tmp_file
#
local ul="<UpperLeftX>"$ulx"</UpperLeftX><UpperLeftY>"$uly"</UpperLeftY>"
local lr="<LowerRightX>"$lrx"</LowerRightX><LowerRightY>"$lry"</LowerRightY>"
target_window="<TargetWindow>"$ul" "$lr"</TargetWindow>"
}
#
calc_gdal_tms(){
gdal_tms="<GDAL_WMS>
<Service name=\"TMS\">
<ServerUrl>"$url"/"$name_img".tms/\${z}/\${x}/\${y}.png</ServerUrl>
<SRS>EPSG:3857</SRS>
<ImageFormat>image/png</ImageFormat>
</Service>
<DataWindow>
<UpperLeftX>-20037508.34</UpperLeftX>
<UpperLeftY>20037508.34</UpperLeftY>
<LowerRightX>20037508.34</LowerRightX>
<LowerRightY>-20037508.34</LowerRightY>
<TileLevel>"$zmax"</TileLevel>
<TileCountX>1</TileCountX>
<TileCountY>1</TileCountY>
<YOrigin>bottom</YOrigin>
</DataWindow>
"$target_window"
<Projection>EPSG:3857</Projection>
<BlockSizeX>256</BlockSizeX>
<BlockSizeY>256</BlockSizeY>
<BandsCount>4</BandsCount>
<ZeroBlockHttpCodes>204,303,400,404,500,501</ZeroBlockHttpCodes>
<ZeroBlockOnServerException>true</ZeroBlockOnServerException>
<Cache>
<Path>/tmp/cache_"$name_img".tms</Path>
</Cache>
</GDAL_WMS>"
}
#
msg_error(){
local name_script=$(basename $0)
echo "Usage: $name_script <Image> <Zoom Min> <Zoom Max> <Dir TMS> <Dir PNG> <URL>" >&2
echo "<Image> is the image for TMS" >&2
echo "<Zoom Min> Zoom minimum of TMS" >&2
echo "<Zoom Max> Zoom maximum of TMS" >&2
echo "<Dir PNG> Directory for PNG" >&2
echo "<Dir TMS> Directory for TMS" >&2
echo "<URL> URL for TMS" >&2
}
#
totalargs=6
#
if [ $# -ne $totalargs ] ; then
msg_error
exit 1
fi
in_img=$1
if [ ! -f "$in_img" ] ; then
echo "The file '$in_img' not exist" >&2
exit 1
fi
zmin=$2
zmax=$3
dir_png=$4
if [ ! -d "$dir_png" ] ; then
echo "The Directory '$dir_png' not exist" >&2
exit 1
fi
dir_tms=$5
if [ ! -d "$dir_tms" ] ; then
echo "The Directory '$dir_tms' not exist" >&2
exit 1
fi
url=$6
#
dir_img=$(dirname $in_img)
basename_img=$(basename $in_img)
name_img=${basename_img%.*}
fgdal_tms_xml=$dir_tms"/"$name_img"_tms.xml"
fpng=$dir_png"/"$name_img".png"
#
nodata=0
mode='tms'
#
dateini=$(date +"%Y%m%d %H:%M:%S")
arg=$name_img"("$dateini")...1"
printf "%s" "$arg"
#
# Remove gdal_contrast_stretch
#
gdal_thumbnail.sh $in_img 30 > /dev/null
mv $dir_img"/"$name_img".png" $fpng
#
printf ".2"
gdal_tiler.py -q -p $mode --src-nodata $nodata,$nodata,$nodata --zoom $zmin:$zmax -t $dir_tms $in_img
#
calc_extent_json
if [[ $isok == 0 ]]; then
msg_error
exit 1
fi
calc_target_window
calc_gdal_tms
echo $gdal_tms > $fgdal_tms_xml
#
dateend=$(date +"%Y%m%d %H:%M:%S")
arg=".("$dateend")"
printf "%s" "$arg"
echo ""
#
# Log
echo "$name_img;$dateini;$dateend" >> mk_tiles.sh.log