From f01e50b19b460ade3c717f41eb89554abbe884ba Mon Sep 17 00:00:00 2001
From: "osm@osm.rrze" <osm@osm.rrze.uni-erlangen.de>
Date: Tue, 17 Jul 2012 10:51:09 +0200
Subject: [PATCH] now also handles map baselayer selection.

---
 cgis/osm-map.pl | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/cgis/osm-map.pl b/cgis/osm-map.pl
index d154ff9..6ee96e1 100755
--- a/cgis/osm-map.pl
+++ b/cgis/osm-map.pl
@@ -15,6 +15,7 @@ print("Content-type: text/html\n\n");
 my $lon = -999.0;
 my $lat = -999.0;
 my $zoom = -1;
+my $baselayer = undef;
 if (defined(param('lon'))) {
   $lon = param('lon');
   unless ($lon =~ m/^-{0,1}\d+\.\d+$/) { $lon = -999.0; }
@@ -30,6 +31,16 @@ if (defined(param('zoom'))) {
   unless ($zoom =~ m/^\d+$/) { $zoom = -1; }
   if (($zoom < 0) || ($zoom > 30)) { $lat = -1; }
 }
+if (defined(param('layers'))) {
+  my @layerlist = ('osmde', 'osmorg');
+  my $layers = param('layers');
+  my $i;
+  for ($i = 0; $i < int(@layerlist); $i++) {
+    if (substr($layers, $i, 1) eq 'B') { # This is our baselayer
+      $baselayer = $layerlist[$i];
+    }
+  }
+}
 my $OLF;
 unless (open($OLF, '<' . $openlayerstemplate)) {
   print("Sorry, failed to read my map template.\n"); exit(0);
@@ -48,7 +59,11 @@ while ($ll = <$OLF>) {
     $ll =~ s/var\s+zoom\s*=\s*\d+;/var zoom = $zoom;/;
   }
   if (($lon >= -180.0) && ($lat >= -180.0) && ($zoom >= 0)) { # All values required in that case
-    $ll =~ s!<img src="(.*?)/staticmaplite\?.*?size=([^"&]+).*?"!<img src="$1/staticmaplite?center=$lat,$lon&zoom=$zoom&size=$2"!;
+    my $rest = '';
+    if (defined($baselayer)) {
+      $rest .= '&maptype=' . $baselayer;
+    }
+    $ll =~ s!<img src="(.*?)/staticmaplite\?.*?size=([^"&]+).*?"!<img src="$1/staticmaplite?center=$lat,$lon&zoom=$zoom&size=$2$rest"!;
   }
   print($ll);
 }
-- 
2.25.1