#!/usr/local/bin/perl
# A filter for the tropical storms data which converts it into a clipped HTML table.
# Copyright (C) 1996 Thomas R. Metcalf
#
# This software is provided "as is" and is subject to change without
# notice. No warranty of any kind is made with regard to this software,
# including, but not limited to, the implied warranties of
# merchantability and fitness for a particular purpose. The author shall
# not be liable for any errors or for direct, indirect, special,
# incidental or consequential damages in connection with the furnishing,
# performance, or use of this software: use it at your own risk.
#
# 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.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this library; if not, write to the Free
# Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# These refer to the column in the tropical storm data base.
$DATE = 21;
$ACTDATE = 23;
$OBSTYPE = 20;
$LATITUDE = 5;
$LONGITUDE = 7;
$NS = 6;
$EW = 8;
$TNAME = 9;
$TYEAR = 0;
$TMONTH = 1;
$TDAY = 2;
$TTIME = 3;
$TWIND = 16;
$TGUST = 17;
$COURSE = 10;
$SPEED = 12;
$PRESSURE = 14;
$TYPE = 19;
$WMO = 22;
$html_header = <<"HEADER_END";
Data History
HEADER_END
$html_legend = <<"LEGEND_END";
LEGEND_END
$html_table_header = <<"TABLE_HEADER_END";
| Date |
Time |
Lat |
Lon |
Wind |
| m-d |
UT |
Deg |
Deg
| Kts |
TABLE_HEADER_END
$html_table_footer = <<"TABLE_FOOTER_END";
TABLE_FOOTER_END
$html_footer = <<"FOOTER_END";
FOOTER_END
print "$html_header\n";
print "$html_legend\n";
$i=0;
while (<>) {
chop;
s/ / /g;
@line = split(" ");
$name = substr($line[$TNAME],0,length($line[$TNAME])-3);
$year = $line[$TYEAR];
$syear = substr($year,2,2);
$month = $line[$TMONTH];
$day = $line[$TDAY];
if (length($month) == 1) {$month = "0".$month;}
if (length($day) == 1) {$day = "0".$day;}
$date = $month."-".$day;
$line[$TTIME] =~ /(\d+)\.(\d*)/i;
$hour = $1;
if (length($hour) == 1) {$hour = "0".$hour;}
$minute = $2;
if (length($minute) == 1) {$minute = "0".$minute;}
$time = $hour.":".$minute;
$lat = $line[$LATITUDE].$line[$NS];
$lon = $line[$LONGITUDE].$line[$EW];
$course = $line[$COURSE];
$speed = $line[$SPEED];
$pressure = $line[$PRESSURE];
if (&ISNUMBER($line[$TWIND])) {$wind = int($line[$TWIND]);}
else {$wind = $line[$TWIND];}
while (length($wind) < 3) {$wind = "0".$wind;}
if (&ISNUMBER($line[$TGUST])) {$gust = int($line[$TGUST]);}
else {$gust = $line[$TGUST];}
while (length($gust) < 3) {$gust = "0".$gust;}
$type = $line[$TYPE];
$observation = $line[$OBSTYPE];
$wmo = $line[$WMO];
if ($i == 0) {
print "$name History
\n";
print "Forecasts in bold
\n";
print "$html_table_header\n";
}
print "
\n";
if ($observation =~ /FOR/i) {
$font="";
$closefont = "";
} else {
$font="";
$closefont = "";
}
print " | $font$date$closefont | \n";
print " $font$time$closefont | \n";
print " $font$lat$closefont | \n";
print " $font$lon$closefont | \n";
print " $font$wind$closefont | \n";
if ($type =~ /FOR/i) {print " \n";}
print "
\n";
++$i;
}
print "$html_table_footer\n";
print "
\n";
print "\n";
print "Home | \n";
print "Summary | \n";
print "Strike Probs
";
print "Warning: These data may not be accurate.\n";
print "$html_footer\n";
exit;
sub ISNUMBER {
# Is the argument a number, e.g. 1.0, .1, 1, 1e4, 1.0e4, etc.?
# Returns true or false.
$_[0] =~ /^\s*(\+|-|)(\d+|\d+\.\d*|\d*\.\d+)(e\d+|)\s*$/i;
}