3 # OSM Map CGI - creating a HTML page that starts in the right place
5 # The file from which we get the Template for Openlayers?
6 $openlayerstemplate = '/var/www/index.openlayers.html';
8 # Your should not need to change anything below this line
9 # ----------------------------------------------------------------------------
11 use CGI qw(:standard);
12 use CGI qw/escape unescape escapeHTML unescapeHTML/;
14 print("Content-type: text/html\n\n");
18 my $baselayer = undef;
19 if (defined(param('lon'))) {
21 unless ($lon =~ m/^-{0,1}\d+\.\d+$/) { $lon = -999.0; }
22 if (($lon < -180.0) || ($lon > 180.0)) { $lon = -999.0; }
24 if (defined(param('lat'))) {
26 unless ($lat =~ m/^-{0,1}\d+\.\d+$/) { $lat = -999.0; }
27 if (($lat < -90.0) || ($lat > 90.0)) { $lat = -999.0; }
29 if (defined(param('zoom'))) {
30 $zoom = param('zoom');
31 unless ($zoom =~ m/^\d+$/) { $zoom = -1; }
32 if (($zoom < 0) || ($zoom > 30)) { $lat = -1; }
34 if (defined(param('layers'))) {
35 my @layerlist = ('osmde', 'osmorg');
36 my $layers = param('layers');
38 for ($i = 0; $i < int(@layerlist); $i++) {
39 if (substr($layers, $i, 1) eq 'B') { # This is our baselayer
40 $baselayer = $layerlist[$i];
45 unless (open($OLF, '<' . $openlayerstemplate)) {
46 print("Sorry, failed to read my map template.\n"); exit(0);
48 while ($ll = <$OLF>) {
49 # var lon = 11.028847;
50 # var lat = 49.573836;
53 $ll =~ s/var\s+lon\s*=\s*-{0,1}\d+\.\d+;/var lon = $lon;/;
56 $ll =~ s/var\s+lat\s*=\s*-{0,1}\d+\.\d+;/var lat = $lat;/;
59 $ll =~ s/var\s+zoom\s*=\s*\d+;/var zoom = $zoom;/;
61 if (($lon >= -180.0) && ($lat >= -180.0) && ($zoom >= 0)) { # All values required in that case
63 if (defined($baselayer)) {
64 $rest .= '&maptype=' . $baselayer;
66 $ll =~ s!<img src="(.*?)/staticmaplite\?.*?size=([^"&]+).*?"!<img src="$1/staticmaplite?center=$lat,$lon&zoom=$zoom&size=$2$rest"!;