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* update Travis to build on Trusty for code layout * fix shellcheck replace ! -z by -n * shellcheck: fix -n doesn't work with unquoted arguments * more shellcheck fixes * use bash instead of posix
296 lines
8.4 KiB
Bash
Executable File
296 lines
8.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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###########################################################################
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# qgis_srs.sh
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# ---------------------
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# Date : August 2009
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# Copyright : (C) 2009 by Magnus Homann
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# Email : magnus at homann dot se
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###########################################################################
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# #
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# This program is free software; you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation; either version 2 of the License, or #
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# (at your option) any later version. #
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# #
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###########################################################################
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# AUTHOR: Maciej Sieczka, msieczka@sieczka.org, http://www.sieczka.org
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#
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# PURPOSE: Create a QGIS srs.db-compliant SQL script with SRS, ellipsoid
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# and projections defs based on the output of installed PROJ and
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# GDAL.
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#
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# VERSION: 1.1.0, 2009.03.19
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#
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# COPYRIGHT: (c) 2008,2009 Maciej Sieczka
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#
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# LICENSE: This program is free software under the GNU General Public
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# License (>=v2).
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# CHANGELOG:
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#
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# 1.1.0:
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# - Reorganize the code into functions.
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# - Support qgis.db convenient update too.
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# - Workaround the issue http://trac.osgeo.org/gdal/ticket/2900.
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#
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# 1.0.3: Minor cosmetics in comments.
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#
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# 1.0.2: Replace 'latlon' and 'lonlat' in the $(proj -le) output, so that QGIS
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# can parse the 'tbl_projection' table to provide the GCSs list in the
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# 'Projection' dialog (BTW, the dialog should be called 'Coordinate
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# system' actually, as a projection is only a component of a cs).
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# More comments.
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#
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# 1.0.1: Typos in comments fixed.
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#
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# 1.0: First public release.
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# USAGE: 1. qgis_srs.sh --full/--tmpl > output.sql
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# 2. import output.sql into SQLite Database Browser
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# 3. save as a new dbase, name it srs.db (--full) or qgis.db (--tmpl),
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# use with QGIS
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# DETAILS:
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#
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# The script creates an SQL plain text dump that can be imported into
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# SQlite db e.g.,. using SQLite Database Browser's "Import > Database from
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# SQL file" tool.
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#
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# The ellipsoids (tbl_ellipsoid) and projections (tbl_projection) tables
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# are created parsing the proj command output. I chose this approach,
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# because looking at the original tables content it seems the original
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# tables were created the same way.
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#
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# The tbl_srs table is created parsing the epsg_tr.py output. EPSG codes
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# to process are taken from the installed GDAL's pcs.csv and gcs.csv files.
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#
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# Tables structure and final SQL statements creating the view and indices
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# were copied from the original srs.db shipped with QGIS trunk r8544,
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# after dumping it to a plain text format with SQLite Database Browser.
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### FUNCTIONS ###
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mk_tbl_bookmarks ()
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{
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# Create bookmarks table:
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echo "CREATE TABLE tbl_bookmarks (
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bookmark_id integer PRIMARY KEY,
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name varchar(255) NOT NULL,
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project_name varchar(32),
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xmin double,
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ymin double,
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xmax double,
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ymax double,
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projection_srid integer
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);"
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}
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mk_tbl_ellps ()
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{
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# Create ellipsoids table:
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echo "CREATE TABLE tbl_ellipsoid (
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acronym char(20) NOT NULL default '',
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name char(255) NOT NULL default '',
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radius char(255) NOT NULL default '',
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parameter2 char(255) NOT NULL default '',
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PRIMARY KEY (acronym)
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);"
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}
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pop_tbl_ellps ()
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{
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# Populate ellipsoids table. Care about (possible) apostrophes in strings, which
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# would brake the SQL syntax, as the "'" is also a string separator:
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proj -le | sed 's/^ *//g' | tr -d "\t" | sed "s/ */ /g" | sed "s/'/''/g" | awk 'BEGIN {sep="'\'','\''"} NF>4 {printf $1 sep $4; for (i=5;i<NF+1;i++) {printf " "$i} print sep $2 sep $3} NF<5 {print $1 sep $4 sep $2 sep $3}' | while read i; do
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echo "INSERT INTO tbl_ellipsoid VALUES('"${i}"');"
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done
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}
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mk_tbl_projs ()
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{
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# Create projections table:
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echo "CREATE TABLE tbl_projection (
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acronym varchar(20) NOT NULL PRIMARY KEY,
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name varchar(255) NOT NULL default '',
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notes varchar(255) NOT NULL default '',
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parameters varchar(255) NOT NULL default ''
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);"
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}
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pop_tbl_projs ()
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{
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# Populate projections table:
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# Process each proj4 projection acronym...
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for i in $(proj -l | cut -d" " -f1 | sed -e 's/lonlat/longlat/' -e 's/latlon/latlong/') ; do
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#...to extract it's parameters, making sure not more than 4 fields are created...
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proj=$(proj -l=$i | tr -d "\t" | sed 's/^ *//g' | sed 's/ : /\n/' | sed "s/'/''/g" | awk '{print "'\''"$0"'\''"}' | tr "\n" "," | sed 's/,$/\n/' | sed "s/','/ /4g")
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#...count the number of parameters...
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proj_nf=$(echo $proj | awk -F"','" '{print NF}')
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#...if only 3 (3 or 4 are possible) add an empty 4th one.
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if [ $proj_nf -eq 3 ] ; then
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proj=${proj}",''"
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fi
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# Create an SQL command for each proj:
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echo "INSERT INTO tbl_projection VALUES("${proj}");"
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done
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}
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mk_tbl_srss_srs ()
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{
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# Create SRSs table for srs.db:
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echo "CREATE TABLE tbl_srs (
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srs_id INTEGER PRIMARY KEY,
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description text NOT NULL,
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projection_acronym text NOT NULL,
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ellipsoid_acronym NOT NULL,
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parameters text NOT NULL,
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srid integer NOT NULL,
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epsg integer NOT NULL,
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is_geo integer NOT NULL
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);"
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}
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mk_tbl_srss_qgis ()
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{
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# Create SRSs table for qgis.db:
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echo "CREATE TABLE tbl_srs (
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srs_id INTEGER PRIMARY KEY,
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description text NOT NULL,
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projection_acronym text NOT NULL,
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ellipsoid_acronym NOT NULL,
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parameters text NOT NULL,
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srid integer NULL,
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auth_name varchar NULL,
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auth_id varchar NULL,
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is_geo integer NOT NULL
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);"
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}
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pop_tbl_srss ()
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{
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# Populate SRSs table:
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gdal_share=$(gdal-config --datadir)
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no=0
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# Extract projected SRSs from the installed GDAL pcs.csv file:
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#Find valid EPSG numbers parsing GDAL's pcs.csv:
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for i in $(awk 'NR>1' ${gdal_share}/pcs.csv | cut -d, -f1); do
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raw=$(epsg_tr.py -proj4 $i 2>&1 | tr "\n" " " | sed 's/ <> $//' | grep -v "^ERROR 6: ")
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if [[ -n "$raw" ]]; then
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no=$((no + 1))
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name=$(echo $raw | sed 's/^# //' | grep -o "^.\{1,\} <[[:digit:]]\{1,\}>" | sed 's/ <[[:digit:]]\{1,\}>//' | sed "s/'/''/g")
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proj=$(echo $raw | grep -o "+proj=[^[:space:]]\{1,\}" | cut -d"=" -f2)
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ellps=$(echo $raw | grep -o "+ellps=[^[:space:]]\{1,\}" | cut -d"=" -f2)
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srs=$(echo $raw | grep -o "+proj.\{1,\} +no_defs")
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epsg=$(echo $raw | grep -o ' <[[:digit:]]\{1,\}> ' | sed 's/[^[:digit:]]//g')
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isgeo=0
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echo "INSERT INTO tbl_srs VALUES(${no},'${name}','${proj}','${ellps}','${srs}',${epsg},${epsg},${isgeo});"
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fi
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done
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# Extract un-projected SRSs from the installed GDAL gcs.csv file:
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#Find valid EPSG numbers parsing GDAL's gcs.csv:
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for i in $(awk 'NR>1' ${gdal_share}/gcs.csv | cut -d, -f1); do
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raw=$(epsg_tr.py -proj4 $i 2>&1 | tr "\n" " " | sed 's/ <> $//' | grep -v "^ERROR 6: ")
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if [[ -n "$raw" ]]; then
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no=$((no + 1))
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name=$(echo $raw | sed 's/^# //' | grep -o "^.\{1,\} <[[:digit:]]\{1,\}>" | sed 's/ <[[:digit:]]\{1,\}>//' | sed "s/'/''/g")
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proj=$(echo $raw | grep -o "+proj=[^[:space:]]\{1,\}" | cut -d"=" -f2)
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ellps=$(echo $raw | grep -o "+ellps=[^[:space:]]\{1,\}" | cut -d"=" -f2)
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srs=$(echo $raw | grep -o "+proj.\{1,\} +no_defs")
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epsg=$(echo $raw | grep -o ' <[[:digit:]]\{1,\}> ' | sed 's/[^[:digit:]]//g')
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isgeo=1
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echo "INSERT INTO tbl_srs VALUES(${no},'${name}','${proj}','${ellps}','${srs}',${epsg},${epsg},${isgeo});"
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fi
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done
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}
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mk_view ()
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{
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# Final SQL statements:
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echo "CREATE VIEW vw_srs as
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select a.description as description,
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a.srs_id as srs_id,
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a.is_geo as is_geo,
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b.name as name,
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a.parameters as parameters,
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a.auth_name as auth_name,
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a.auth_id as auth_id
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from tbl_srs a
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inner join tbl_projection b
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on a.projection_acronym=b.acronym
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order by
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b.name, a.description;"
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}
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usage ()
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{
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echo "
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Usage:
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--qgis Create a database to be used as the 'qgis.db' upgraded replacement.
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--srs Create a database to be used as the 'srs.db' upgraded replacement.
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"
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}
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### DO IT ###
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if [ "$1" = "--qgis" ]; then
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echo "BEGIN TRANSACTION;"
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mk_tbl_bookmarks
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mk_tbl_ellps; pop_tbl_ellps
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mk_tbl_projs; pop_tbl_projs
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mk_tbl_srss_qgis
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mk_view
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echo "COMMIT;"
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elif [ "$1" = "--srs" ]; then
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echo "BEGIN TRANSACTION;"
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mk_tbl_ellps; pop_tbl_ellps
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mk_tbl_projs; pop_tbl_projs
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mk_tbl_srss_srs; pop_tbl_srss
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mk_view
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echo "CREATE UNIQUE INDEX idx_srsauthid on tbl_srs(auth_name,auth_id);
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CREATE UNIQUE INDEX idx_srssrid on tbl_srs(srid);
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COMMIT;"
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else
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usage
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fi
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