<?php
/************************************************************************/
/* */
/* Meteosat Block v.1.0 */
/* ==================== */
/* */
/* Copyright (c) 2002 by Chris Karakas <chris@karakas-online.de> */
/* http://www.karakas-online.de */
/* */
/* 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. */
/* */
/* This PHP block will display the most recent Meteosat */
/* images of the World and Europe. The images are taken from */
/* www.wetter.com at */
/* */
/* http://www.wetter.com/home/img/sat/METEOSAT_vis_c/xl/ */
/* http://www.wetter.com/home/img/sat/METEOSAT-FULL_ir_c/xl/ */
/* */
/* The images are named YYYYMMDDHHMM.jpg, in GMT, so the script has */
/* to compute the year, month, day, hour and minutes in GMT, */
/* then round down the minutes to either 00 or 30. */
/* Due to delays, I don't try to get the exact latest image, */
/* rather I prefer to subtract a safety intervall of 3600 sec */
/* from the current time, before I start the calculations. */
/* This way I make sure an image will always be there. */
/* */
/* Please mail me if this should not work some day. In the meantime, */
/* enjoy! */
/* */
/* Chris */
/* */
/************************************************************************/
/************************************************************************/
/* For safety, I subtract one hour, so I am sure the image is there. */
/************************************************************************/
$timestamp = time()-3600;
/************************************************************************/
/* Get month, day, year, hour and minutes in GMT */
/************************************************************************/
$month = gmdate('m', $timestamp);
$day = gmdate('d', $timestamp);
$year = gmdate('Y', $timestamp);
$hour = gmdate('H', $timestamp);
$minutes = gmdate('i', $timestamp);
/************************************************************************/
/* Round minutes down to either 00 or 30 */
/************************************************************************/
$minutes = floor($minutes/30)*30;
switch ($minutes) {
case 0:
$minutes = "00";
break;
case 30:
$minutes = "30";
break;
}
$worldurl = "http://www.wetter.com/home/img/sat/METEOSAT-FULL_ir_c/xl/";
$worldurl .= "$year$month$day$hour$minutes.jpg";
$europeurl = "http://www.wetter.com/home/img/sat/METEOSAT_vis_c/xl/";
$europeurl .= "$year$month$day$hour$minutes.jpg";
$updateurl = "http://www.wetter.com";
$updatetext = "Update by wetter.com";
$alttext = "Click here for a larger image";
$content = "<table align=center>";
$content .= "<tr><td>";
/* Uncomment for testing
$content .= "<p><center> day=$day month=$month year=$year hour=$hour min=$minutes</center></p>";
*/
$content .= "</td></tr>";
$content .= "<tr><td>";
$content .= "<center><A HREF="$worldurl" target="_blank"><IMG SRC="$worldurl" alt="$alttext" height=284 width=270></A></center>";
$content .= "</td></tr>";
$content .= "<tr><td>";
$content .= "<center>World</center>";
$content .= "</td></tr>";
$content .= "<tr><td>";
$content .= "<center><A HREF="$europeurl" target="_blank"><IMG SRC="$europeurl" alt="$alttext" height=230 width=288></A></center>";
$content .= "</td></tr>";
$content .= "<tr><td>";
$content .= "<center>Europe</center>";
$content .= "</td></tr>";
$content .= "<tr><td>";
$content .= "<center><a href="$updateurl"target="_blank">$updatetext</a></center><br>";
$content .= "</td></tr>";
$content .= "</table>";
$content .= "<p>";
$content .= "See the <a href="http://www.karakas-online.de/myServices/showfile.php?highlight=meteosat">source code.</a>";
echo $content;
?>
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