[QGIS Commit] r15589 - trunk/qgis/scripts

[svn_qgis at osgeo.org]

Author: timlinux
Date: 2011-03-24 00:49:23 -0700 (Thu, 24 Mar 2011)
New Revision: 15589

Added:
   trunk/qgis/scripts/update-srs-db.php
Log:
Added utility script from Mathieu Pellerin for updating the srs.db from gdal

Added: trunk/qgis/scripts/update-srs-db.php
===================================================================
--- trunk/qgis/scripts/update-srs-db.php	                        (rev 0)
+++ trunk/qgis/scripts/update-srs-db.php	2011-03-24 07:49:23 UTC (rev 15589)
@@ -0,0 +1,45 @@
+<?
+$srs = null;
+$i = 0;
+$j = 1;
+$srs_sync = 0;
+$srs_nosync = 0;
+
+$f = fopen('epsg',r);
+while (!feof($f)) {
+ $line = trim(fgets($f));
+ if ($line[0] != '#' && $line != '') {
+  $chunks = explode('>',$line);
+  $srs[$i]['id'] = substr($chunks[0],1);
+  $srs[$i]['param'] = trim(substr($chunks[1],0,-1));
+  $srs[$i]['linenb'] = $j; //debugging info
+  $i++;
+ }
+ $j++;
+}
+fclose($f);
+
+$f = fopen('update.sql',w);
+$sqlread = new SQLite3('srs.db');
+$sqlwrite = new SQLite3('srs-sync.db');
+
+$r = $sqlread->query("SELECT srid, parameters FROM tbl_srs");
+while ($row = $r->fetchArray(SQLITE3_ASSOC)) {
+ foreach($srs as $s) {
+  if ($row['srid'] == $s['id']) {
+   if ($row['parameters'] != $s['param']) {
+    $sqlwrite->query("UPDATE tbl_srs SET parameters='".$s['param']."' WHERE srid='".$s['id']."'");
+    fwrite($f,"UPDATE tbl_srs SET parameters='".$s['param']."' WHERE srid='".$s['id']."'".chr(13).chr(10));
+    $srs_sync++;
+   } else { $srs_nosync++; }
+   break;
+  }
+ }
+}
+
+$sqlread->close();
+$sqlwrite->close();
+fclose($f);
+
+echo $srs_sync.' -- '.$srs_nosync;
+?>
\ No newline at end of file