<?php 
/******************************************************************************
* wxgraphic.php v6.3
*
* Weather graphic generator
* Copyright (C) 2007 Anole Computer Services, LLC
* scripts@anolecomputer.com
*
* 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 program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*
*******************************************************************************
* This script generates an image in gif, png, or jpg  
* format created from a user supplied background image and data file.
*
* The following assumptions are made in this script:
* 1) background image for default named "default.gif", "default.png", or "default.jpeg"
* 2) background image for banner named "banner.gif", "banner.png", "banner.jpeg"
* 3) background image for the big banner named "banner_big.gif", "banner_big.png", or "banner_big.jpeg"
* 4) background image for avatar named "avatar.gif", "avatar.png", or "avatar.jpeg"
* 5) A text data file in the following format:
* time,date,temp,heatindex,wind chill,humidity,dew point,barometer,barometer trend,wind speed,wind direction,todays rain
* OR for VWS with current conditions icons:
* time,date,temp,heatindex,wind chill,humidity,dew point,barometer,barometer trend,wind speed,wind direction,todays rain,currentconditions,sunrise,sunset
* OR
* Weather Display clientraw.txt data file
*
* Script configuration is contained in the file config.txt. Modify the various
* paramenters in config.txt to suit your needs.
* Please review the included README.TXT file for more details on usage,
* configuration, restrictions and functionality
*******************************************************************************/

//get the configuration file
require "./config.txt";

// see if the data file is a WD clientraw.txt file and set
// the WD flag for those specific routines to be executed.
if (preg_match('|clientraw.txt|', $data_file_path)){
   $use_wd_clientraw = '1';
} //end if

// get the data file. If we don't get it the first time we'll make two 
// more attempts then output an image that indicates we don't have any
// data.
// This is not very elegant but it seems to work better with less problems
// than a while loop. 
@$dataraw = file_get_contents($data_file_path);
if (empty ($dataraw)) {
    sleep(2);
    @$dataraw = file_get_contents($data_file_path);
} // end if
if (empty ($dataraw)) {
    sleep(2);
    @$dataraw = file_get_contents($data_file_path);
} // end if
if (empty ($dataraw)) {
   nodataimage("Data Currently", "Unavailable");
} // end if

// clean up any blank lines
$dataraw = trim($dataraw);
$dataraw = preg_replace("/[\r\n]+[\s\t]*[\r\n]+/","\n",$dataraw);

// if we're using the WD clientraw.txt we have a lot of work to do to make it
// pretty. So here we go:

// put the clientraw.txt data into an array and define the data points
if ($use_wd_clientraw == '1') {
   $data = explode(" ", $dataraw);
   // clean up and define
   $date = "$data[74]";
   $baromtrend = "$data[50]";
   $winddir = "$data[3]";
   (float)$wind = round("$data[1]",$wind_prec);
   (float)$gust = round("$data[2]",$wind_prec);
   (float)$temp = "$data[4]";
   (float)$humidity = "$data[5]";
   (float)$barom = "$data[6]";
   (float)$raintoday = "$data[7]";
   (float)$windchill = "$data[44]";
   (float)$dewpt = "$data[72]";
   (float)$heatindex = "$data[112]";

   // set the time
   if ($time_format == 'AMPM'){
      $time = date('g:i A' , strtotime("$data[29]:$data[30]:$data[31]")); 
   } // end if
   else {
        $time = sprintf ("%02d:%02d", $data[29], $data[30]);
   } //end else

   // convert the temps
   // only necessary if we want Farenheit
   if ($temp_conv == 'F') {
      $temp = CtoF($temp, $temp_prec);
      $windchill = CtoF($windchill, $temp_prec);
      $heatindex = CtoF($heatindex, $temp_prec);
      $dewpt = CtoF($dewpt, $temp_prec);
   } // end if
   else {
        $temp = round($temp, $temp_prec);
        $windchill = round($windchill, $temp_prec);
        $heatindex = round($heatindex, $temp_prec);
        $dewpt = round($dewpt, $temp_prec);
   } // end else

   // convert windspeeds
   // only necessary if we want MPH or KPH
   switch (TRUE) {
     case ($wind_conv == 'KPH'):
       $wind = KTStoKPH($wind, $wind_prec);
       $gust = KTStoKPH($gust, $wind_prec);
     break;
     case ($wind_conv == 'MPH'):
       $wind = KTStoMPH($wind, $wind_prec);
       $gust = KTStoMPH($gust, $wind_prec);
     break;
     default:
       $wind = round($wind, $wind_prec);
       $gust = round($gust, $wind_prec);
   } // end switch

   // convert the barometric pressure
   // only necessary if we want in/Hg
   if ($barom_conv == 'INCHES') {
      $barom = sprintf("%01.2f", MBtoINCHES($barom, $barom_prec));
   } // end if
   else {
        $barom = round($barom, $barom_prec);
   } // end else

   // convert the daily rainfall
   // only necessary if we want inches
   if ($rain_conv == 'INCHES') {
      $raintoday = sprintf("%01.2f", MMtoINCHES($raintoday, $rain_prec));
   } // end if
   else {
        $raintoday = (round($raintoday, $rain_prec));
   } // end else

   // figure out a text value for compass direction
   switch (TRUE) {
     case (($winddir >= 349) and ($winddir <= 360)):
       $winddir = 'N';
     break;
     case (($winddir >= 0) and ($winddir <= 11)):
       $winddir = 'N';
     break;
     case (($winddir > 11) and ($winddir <= 34)):
       $winddir = 'NNE';
     break;
     case (($winddir > 34) and ($winddir <= 56)):
       $winddir = 'NE';
     break;
     case (($winddir > 56) and ($winddir <= 78)):
       $winddir = 'ENE';
     break;
     case (($winddir > 78) and ($winddir <= 101)):
       $winddir = 'E';
     break;
     case (($winddir > 101) and ($winddir <= 124)):
       $winddir = 'ESE';
     break;
     case (($winddir > 124) and ($winddir <= 146)):
       $winddir = 'SE';
     break;
     case (($winddir > 146) and ($winddir <= 169)):
       $winddir = 'SSE';
     break;
     case (($winddir > 169) and ($winddir <= 191)):
       $winddir = 'S';
     break;
     case (($winddir > 191) and ($winddir <= 214)):
       $winddir = 'SSW';
     break;
     case (($winddir > 214) and ($winddir <= 236)):
       $winddir = 'SW';
     break;
     case (($winddir > 236) and ($winddir <= 259)):
       $winddir = 'WSW';
     break;
     case (($winddir > 259) and ($winddir <= 281)):
       $winddir = 'W';
     break;
     case (($winddir > 281) and ($winddir <= 304)):
       $winddir = 'WNW';
     break;
     case (($winddir > 304) and ($winddir <= 326)):
       $winddir = 'NW';
     break;
     case (($winddir > 326) and ($winddir <= 349)):
       $winddir = 'NNW';
     break;
   } // end switch

   // figure out a text value for barometric pressure trend
   settype($baromtrend, "float");
   switch (TRUE) {
      case (($baromtrend >= -.6) and ($baromtrend <= .6)):
        $baromtrendwords = "Steady";
      break;
      case (($baromtrend > .6) and ($baromtrend <= 2)):
        $baromtrendwords = "Rising";
      break;
      case ($baromtrend > 2):
        $baromtrendwords = "Rising Rapidly";
      break;
      case (($baromtrend < -.6) and ($baromtrend >= -2)):
        $baromtrendwords = "Falling";
      break;
      case ($baromtrend < -2):
        $baromtrendwords = "Falling Rapidly";
      break;
   } // end switch

   // CURRENT CONDITIONS ICONS FOR clientraw.txt
   // create array for icons. There are 35 possible values in clientraw.txt
   // It would be simpler to do this with array() but to make it easier to 
   // modify each element is defined individually. Each index [#] corresponds
   // to the value provided in clientraw.txt
   $icon_array[0] = "./icons/day_clear.$image_format";            // imagesunny.visible
   $icon_array[1] = "./icons/night_clear.$image_format";          // imageclearnight.visible
   $icon_array[2] = "./icons/day_partly_cloudy.$image_format";    // imagecloudy.visible
   $icon_array[3] = "./icons/day_partly_cloudy.$image_format";    // imagecloudy2.visible
   $icon_array[4] = "./icons/night_partly_cloudy.$image_format";  // imagecloudynight.visible
   $icon_array[5] = "./icons/day_clear.$image_format";            // imagedry.visible
   $icon_array[6] = "./icons/fog.$image_format";                  // imagefog.visible
   $icon_array[7] = "./icons/haze.$image_format";                 // imagehaze.visible
   $icon_array[8] = "./icons/day_heavy_rain.$image_format";       // imageheavyrain.visible
   $icon_array[9] = "./icons/day_mostly_sunny.$image_format";     // imagemainlyfine.visible
   $icon_array[10] = "./icons/mist.$image_format";                // imagemist.visible
   $icon_array[11] = "./icons/fog.$image_format";                 // imagenightfog.visible
   $icon_array[12] = "./icons/night_heavy_rain.$image_format";    // imagenightheavyrain.visible
   $icon_array[13] = "./icons/night_cloudy.$image_format";        // imagenightovercast.visible
   $icon_array[14] = "./icons/night_rain.$image_format";          // imagenightrain.visible
   $icon_array[15] = "./icons/night_light_rain.$image_format";    // imagenightshowers.visible
   $icon_array[16] = "./icons/night_snow.$image_format";          // imagenightsnow.visible
   $icon_array[17] = "./icons/night_tstorm.$image_format";        // imagenightthunder.visible
   $icon_array[18] = "./icons/day_cloudy.$image_format";          // imageovercast.visible
   $icon_array[19] = "./icons/day_partly_cloudy.$image_format";   // imagepartlycloudy.visible
   $icon_array[20] = "./icons/day_rain.$image_format";            // imagerain.visible
   $icon_array[21] = "./icons/day_rain.$image_format";            // imagerain2.visible
   $icon_array[22] = "./icons/day_light_rain.$image_format";      // imageshowers2.visible
   $icon_array[23] = "./icons/sleet.$image_format";               // imagesleet.visible
   $icon_array[24] = "./icons/sleet.$image_format";               // imagesleetshowers.visible
   $icon_array[25] = "./icons/snow.$image_format";                // imagesnow.visible
   $icon_array[26] = "./icons/snow.$image_format";                // imagesnowmelt.visible
   $icon_array[27] = "./icons/snow.$image_format";                // imagesnowshowers2.visible
   $icon_array[28] = "./icons/day_clear.$image_format";           // imagesunny.visible
   $icon_array[29] = "./icons/day_tstorm.$image_format";          // imagethundershowers.visible
   $icon_array[30] = "./icons/day_tstorm.$image_format";          // imagethundershowers2.visible
   $icon_array[31] = "./icons/day_tstorm.$image_format";          // imagethunderstorms.visible
   $icon_array[32] = "./icons/tornado.$image_format";             // imagetornado.visible
   $icon_array[33] = "./icons/windy.$image_format";               // imagewindy.visible
   $icon_array[34] = "./icons/day_partly_cloudy.$image_format";   // stopped rainning

} // end if
// that's all the WD clientraw.txt specific stuff

// and if we're not using WD clientraw.txt we just need put the data
// into an array
else {
     $data = explode(",", $dataraw);
     // clean up and define the data points
     $time = trim($data[0]);
     $date = trim($data[1]);
     (float)$temp = trim($data[2]);
     (float)$heatindex = trim($data[3]);
     (float)$windchill = trim($data[4]);
     (float)$humidity = trim($data[5]);
     (float)$dewpt = trim($data[6]);
     (float)$barom = trim($data[7]);
     $baromtrendwords = trim($data[8]);
     (float)$wind = trim($data[9]);
     $winddir = trim($data[10]);
     (float)$raintoday = trim($data[11]);
     (float)$gust = trim($data[12]);
     $forecast = trim(strtoupper($data[13]));
     $sunrise = trim($data[14]);
     $sunset = trim($data[15]);

     // define the VWS current conditions icon
     // first figure if its night or day
     $sunrise_epoch = strtotime("$sunrise");
     $sunset_epoch = strtotime("$sunset");
     $time_epoch = strtotime("$time");

     if ($time_epoch >= $sunset_epoch or $time_epoch <= $sunrise_epoch) {
         $daynight = 'night';
     } // end if
     else {
          $daynight = 'day';
     } // end else

     // CURRENT CONDITIONS ICONS FOR VWS
     // create array for icons.
     // It would be simpler to do this with array() but to make it easier to 
     // modify each element is defined individually. Each index ["SOME VALUE"] 
     // corresponds to a possible value of the ^climate_cconds1^ tag. Because
     // VWS does not provide a day/night tag, we figure that out immediately 
     // above and then use the $daynight value in the image definitions below
     // to select the right icon.
     $vws_icon["BLIZZARD CONDITION"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["BLIZZARD"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["INCREASING CLOUDS"] = "./icons/" . "$daynight" . "_cloudy.$image_format";
     $vws_icon["BECOMING CLOUDY"] = "./icons/" . "$daynight" . "_cloudy.$image_format";
     $vws_icon["HAZY"] = "./icons/haze.$image_format";
     $vws_icon["HAZE"] = "./icons/haze.$image_format";
     $vws_icon["HZ"] = "./icons/haze.$image_format";
     $vws_icon["SUN AND CLOUD"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["FEW CLOUD"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["PARTIAL CLEARING"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["CLEARING"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["VARIABLE CLOUDINESS"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["VARIABLE CLOUDS"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["SCATTERED CLOUDS"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["BLOWING SNOW"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["DRIFTING SNOW"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["RAIN+SNOW"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["SNOW+FREEZING RAIN"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["SNOW+RAIN"] = " /icons/$daynight_snow.$image_format";
     $vws_icon["RAIN+SNOW+SHOWERS"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["FREEZING RAIN AND SNOW"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["RAIN AND SNOW"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["SNOW AND RAIN"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["CHANCE OF RAIN OR SNOW"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["FREEZING RAIN OR SNOW"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["RAIN OR SNOW"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["RAIN+MIXED+SNOW"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["SNOW+MIXED+RAIN"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["MIXPCPN"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["SLEET+AND+SNOW"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["SLEET"] = "/icons/$daynight_sleet.$image_format";
     $vws_icon["WINTRY MIX"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["CHANCE OF SNOW OR RAIN"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["SNOW OR RAIN"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["PARTLY|MOSTLY+CLOUDY|SUNNY+THUNDERSTORM"] = "./icons/" . "$daynight" . "_tstorm.$image_format";
     $vws_icon["CHANCE OF+THUNDERSTORM"] = "./icons/" . "$daynight" . "_tstorm.$image_format";
     $vws_icon["THUNDERSTORM"] = "./icons/" . "$daynight" . "_tstorm.$image_format";
     $vws_icon["TSRA"] = "./icons/" . "$daynight" . "_tstorm.$image_format";
     $vws_icon["VCTS"] = "./icons/" . "$daynight" . "_tstorm.$image_format";
     $vws_icon["ISOLATED SHOWER"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["HEAVY SNOW"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["SNOW SHOWER"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["PARTLY CLOUDY+SHOWERS LIKELY"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["PARTLY CLOUDY+SHOWER"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["MOSTLY CLOUDY|PARTLY SUNNY+SHOWERS LIKELY"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["MOSTLY CLOUDY|PARTLY SUNNY+SHOWER"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["CHANCE OF SHOWER"] = "./icons/" . "$daynight" . "_rain.$image_format";
     $vws_icon["SCATTERED SHOWER"] = "./icons/" . "$daynight" . "_rain.$image_format";
     $vws_icon["RAIN SHOWER"] = "./icons/" . "$daynight" . "_rain.$image_format";
     $vws_icon["SHOWER"] = "./icons/" . "$daynight" . "_rain.$image_format";
     $vws_icon["MAINLY CLOUDY"] = "./icons/" . "$daynight" . "_cloudy.$image_format";
     $vws_icon["CLOUDY PERIODS"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["FLURR"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["FAIR"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["LIGHT SNOW"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["CHANCE OF SNOW"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["SNOW"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["HEAVY SNOW"] = "./icons/" . "$daynight" . "_snow.$image_format";
     $vws_icon["FRZDRZL"] = "./icons/" . "$daynight" . "_light_rain.$image_format";
     $vws_icon["FREEZING DRIZZLE"] = "./icons/" . "$daynight" . "_light_rain.$image_format";
     $vws_icon["FREEZING RAIN"] = "./icons/" . "$daynight" . "_light_rain.$image_format";
     $vws_icon["HEAVY RAIN"] = "./icons/" . "$daynight" . "_rain.$image_format";
     $vws_icon["LIGHT RAIN"] = "./icons/" . "$daynight" . "_light_rain.$image_format";
     $vws_icon["PARTLY CLOUDY+CHANCE OF RAIN"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["MOSTLY CLOUDY+CHANCE OF RAIN"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["CHANCE OF RAIN"] = "./icons/" . "$daynight" . "_rain.$image_format";
     $vws_icon["OCCASIONAL RAIN"] = "./icons/" . "$daynight" . "_rain.$image_format";
     $vws_icon["RAIN"] = "./icons/" . "$daynight" . "_rain.$image_format";
     $vws_icon["WINDY"] = "./icons/windy.$image_format";
     $vws_icon["BLUSTERY"] = "./icons/windy.$image_format";
     $vws_icon["PATCHY FOG"] = "./icons/fog.$image_format";
     $vws_icon["WIDESPREAD FOG"] = "./icons/fog.$image_format";
     $vws_icon["FOG MIST"] = "./icons/fog.$image_format";
     $vws_icon["FOG+?DRIZZLE"] = "./icons/" . "$daynight" . "_light_rain.$image_format";
     $vws_icon["PATCHY+DRIZZLE"] = "./icons/" . "$daynight" . "_light_rain.$image_format";
     $vws_icon["DRIZZLE"] = "./icons/" . "$daynight" . "_light_rain.$image_format";
     $vws_icon["MIST"] = " ./icons/haze.$image_format";
     $vws_icon["SMOKE"] = "./icons/haze.$image_format";
     $vws_icon["FROZEN PRECIP"] = "/icons/$daynight_snow.$image_format";
     $vws_icon["DRY"] = "./icons/" . "$daynight" . "_clear.$image_format";
     $vws_icon["VARIABLE HIGH CLOUDINESS"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["PARTLY CLOUDY"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["MOSTLY CLOUDY"] = "./icons/" . "$daynight" . "_cloudy.$image_format";
     $vws_icon["MOSTLY SUNNY"] = "./icons/" . "$daynight" . "_mostly_sunny.$image_format";
     $vws_icon["PARTLY SUNNY"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["SUNNY"] = "./icons/" . "$daynight" . "_clear.$image_format";
     $vws_icon["INCREASING CLOUDINESS"] = "./icons/" . "$daynight" . "_cloudy.$image_format";
     $vws_icon["FOG"] = "./icons/fog.$image_format";
     $vws_icon["CLOUDY"] = "./icons/" . "$daynight" . "_cloudy.$image_format";
     $vws_icon["OCCASIONAL SUNSHINE"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["PARTIAL SUNSHINE"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["CLOUDS"] = "./icons/" . "$daynight" . "_cloudy.$image_format";
     $vws_icon["OVERCAST"] = "./icons/" . "$daynight" . "_cloudy.$image_format";
     $vws_icon["MOSTLY CLEAR"] = "./icons/" . "$daynight" . "_clear.$image_format";
     $vws_icon["CLEAR"] = "./icons/" . "$daynight" . "_clear.$image_format";
     $vws_icon["ICE CRYSTALS"] = "./icons/" . "$daynight" . "_light_rain.$image_format";
     $vws_icon["NO PRECIPITATION"] = "./icons/" . "$daynight" . "_partly_cloudy.$image_format";
     $vws_icon["LIGHTNING OBSERVED"] = "./icons/" . "$daynight" . "_tstorm.$image_format";
     $vws_icon["THUNDER"] = "./icons/" . "$daynight" . "_tstorm.$image_format";
     $vws_icon["MILD AND BREEZY"] = "./icons/windy.$image_format";
     $vws_icon["HOT AND HUMID"] = "./icons/" . "$daynight" . "_clear.$image_format";
     $vws_icon["CONTINUED HOT"] = "./icons/" . "$daynight" . "_clear.$image_format";
     $vws_icon["FILTERED SUNSHINE"] = "./icons/" . "$daynight" . "_cloudy.$image_format";

} //end else

// 
// Change wind value to "Calm" if the speed is 0
switch (TRUE) {
  case ($wind == 0):
    $winds = "Calm";
  break;
  case (($wind > 0) and ($_REQUEST["type"] == "banner")):
    $winds = "$winddir @ $wind$wind_units";
  break;
  case (($wind > 0) and ($_REQUEST["type"] == "banner_big")):
    $winds = "$winddir @ $wind$wind_units";
  break;
  case (($wind > 0) and ($_REQUEST["type"] == "avatar")):
    $winds = "$winddir @ $wind$wind_units";
  break;
  case (($wind > 0) and (empty($_REQUEST["type"]))):
    $winds = "$winddir @ $wind";
  break;
} // end switch

// make the current conditions icon image
if ($curr_cond_icon == 'yes') {
   if ($use_wd_clientraw == '1') {
      switch (TRUE) {
        case ($image_format == 'gif') : 
             $ccicon = imagecreatefromgif($icon_array[$data[48]]);
        break;
        case ($image_format == 'png') :
             $ccicon = imagecreatefrompng($icon_array[$data[48]]);
        break;
        case ($image_format == 'jpeg') : 
             $ccicon = imagecreatefromjpeg($icon_array[$data[48]]);
        break;
      } // end switch
   } //end if

   if ($use_wd_clientraw != '1') {
      $default_icon = "./icons/" . "$daynight" . "_clear.$image_format";
      switch (TRUE) {
        case ($image_format == 'gif') : 
             $ccicon = imagecreatefromgif($vws_icon[$forecast]);
        break;
        case ($image_format == 'png') :
             $ccicon = imagecreatefrompng($vws_icon[$forecast]);
        break;
        case ($image_format == 'jpeg') : 
             $ccicon = imagecreatefromjpeg($vws_icon[$forecast]);
        break;
      } // end switch
      if (empty($ccicon)) {
         switch (TRUE) {
           case ($image_format == 'gif') : 
                $ccicon = imagecreatefromgif($default_icon);
           break;
           case ($image_format == 'png') :
                $ccicon = imagecreatefrompng($default_icon);
           break;
           case ($image_format == 'jpeg') : 
                $ccicon = imagecreatefromjpeg($default_icon);
           break;
         } // end switch
      } // end if
   } // end if

   // create a truecolor image to avoid any pallete problems
   // if we couldn't get the value we'll default to clear
   $ccx = imagesx($ccicon);
   $ccy = imagesy($ccicon);
   $icon = imagecreatetruecolor($ccx,$ccy);
   imagecopy($icon, $ccicon,0,0,0,0,$ccx,$ccy);
   imagedestroy($ccicon);
} // end if

// create the base image
create_base_image();

// create a truecolor image to deal avoid any pallete problems
$basex = imagesx($baseimg);
$basey = imagesy($baseimg);
$img = imagecreatetruecolor($basex,$basey);
imagecopy($img,$baseimg,0,0,0,0,$basex,$basey);
imagedestroy($baseimg);

// define the colors with function define_colors() from config.txt
// this has to be done after the image is created
define_colors();

// now let's create the image
switch (TRUE){
  case ($type == "banner"):
       // put the icon on the background
       if (isset($icon)) {
          imagecopyresampled($img, $icon, $banner_icon_x, $banner_icon_y, 0, 0, 25, 25, 25, 25);
       } // end if
       // write the text onto the 468X60 banner
       write_banner();
  break;
  case ($type == "banner_big"):
       if (isset($icon)) {
          imagecopyresampled($img, $icon, $banner_big_icon_x, $banner_big_icon_y, 0, 0, 25, 25, 25, 25);
      } // end if
       // write the text onto the 500X80 banner
       write_banner_big();
  break;
  case ($type == "avatar"):
       if (isset($icon)) {
          imagecopyresampled($img, $icon, $avatar_icon_x, $avatar_icon_y, 0, 0, 25, 25, 25, 25);
      } // end if
       // write the text onto the 500X80 banner
       write_avatar();
  break;
  case empty($type):
       if (isset($icon)) {
          imagecopyresampled($img, $icon, $default_icon_x, $default_icon_y, 0, 0, 25, 25, 25, 25);
       } // end if
       // write the text onto the default image
     write_default();
  break;
} // end switch

// send header to browser
switch (TRUE) {
  case ($image_format == 'gif') : 
       header('Content-type: image/gif'); 
       imagegif($img);
  break;
  case ($image_format == 'png') : 
       header('Content-Type: image/png'); 
       imagepng($img);
  break;
  case ($image_format == 'jpeg') : 
       header('Content-type: image/jpeg'); 
       imagejpeg($img);
  break;
} // end switch 

// get rid of the image since we don't need it in memory any more. 
// don't need any memory leaks taking down the server
imagedestroy($img);
if (isset($icon)){
   imagedestroy($icon);
} // end if

/************ Function Definitions *************/

// imagecenteredtext() : text centering function for image creation
// centers on provided x, y coordinates
// you must pass all parameters even if you aren't using them.
// $x = x coordinate where the text will be centered
// $y = y coordinate where the text will be centered
// $text = the text to be written
// $size = font size for built-in GD fonts (1,2,3,4, or 5)
// $ttfsize = font size for ttf fonts. Use just like you would in a word processor
// $color = color as defined in the allocate colors section below
// $angle = for ttf fonts, determines the angle for the text.
function imagecenteredtext($x, $y, $text, $size, $ttfsize, $color, $angle) {
  global $font_file, $img ;
  // if FreeType is not supported OR $font_file is set to none
  // we'll use the GD default fonts
  $gdinf = gd_info();
  if (($gdinf["FreeType Support"] == 0) or ($font_file == "none")) {
       $x -= (imagefontwidth($size) * strlen($text)) / 2;
       $y -= (imagefontheight($size)) / 2;
       imagestring($img, $size, $x, $y - 3, $text, $color);
  } // end if

  // otherwise we'll use the truetype font defined in $font_file
  else {
     $box = imagettfbbox ($ttfsize, $angle, $font_file, $text);
     $x -= ($box[2] - $box[0]) / 2;
     $y -= ($box[3] - $box[1]) / 2;
     if ($anti_alias == 'off'){
        imagettftext ($img, $ttfsize, $angle, $x, $y, -$color, $font_file, $text);
     } // end if
     else {
          imagettftext ($img, $ttfsize, $angle, $x, $y, $color, $font_file, $text);
     } // end else
  } // end else

} // end function imagecenteredtext

// create_base_image() : creates the base image based on on the "type"
// passed to the script.
function create_base_image() {
  global $image_format, $baseimg, $type;

  // set the type of graphic we're going to output based on the type parm
  if (isset($_REQUEST["type"])) {
     $type = $_REQUEST["type"];
  } // end if

  // generate the base image
  if (isset($type)) {
     switch (TRUE) {
        case ($image_format == 'gif') : 
             $baseimg = imagecreatefromgif("$type.$image_format");
        break;
        case ($image_format == 'png') : 
             $baseimg = imagecreatefrompng("$type.$image_format");
        break;
        case ($image_format == 'jpeg') : 
             $baseimg = imagecreatefromjpeg("$type.$image_format");
        break;
      } // end switch
  } // end if
  else {
       switch (TRUE) {
         case ($image_format == 'gif') : 
              $baseimg = imagecreatefromgif("default.$image_format");
         break;
         case ($image_format == 'png') : 
              $baseimg = imagecreatefrompng("default.$image_format");
         break;
         case ($image_format == 'jpeg') : 
              $baseimg = imagecreatefromjpeg("default.$image_format");
         break;
       } // end switch
  } // end else
} // end function create_base_image

// nodataimage() : Default image to output if we can't get the data file
// text to write to image:
// no_data_text1: top line of text
// no_data_text2: bottom line of text
function nodataimage ($no_data_text1, $no_data_text2) {
  global $baseimg, $font_file, $image_format, $img, $type, $color1, $color2, $color3, $color4, $color5;

  // create the base image
  create_base_image();

  // create a truecolor image to deal avoid any pallete problems
  $basex = imagesx($baseimg);
  $basey = imagesy($baseimg);
  $img = imagecreatetruecolor($basex,$basey);
  imagecopy($img,$baseimg,0,0,0,0,$basex,$basey);
  imagedestroy($baseimg);

  // define the colors with function define_colors() from config.txt
  // this has to be done after the image is created
  define_colors();

  //write the text onto the image
  switch (TRUE) {
    case empty($_REQUEST["type"]):
        imagecenteredtext(75, 65, "$no_data_text1", 5, 12, $color1, 0); 
        imagecenteredtext(75, 85, "$no_data_text2", 5, 12, $color1, 0); 
    break;
    case ($_REQUEST["type"] == "banner"):
         imagecenteredtext(234, 35, "$no_data_text1 $no_data_text2", 5, 12, $color1, 0); 
    break;
    case ($_REQUEST["type"] == "banner_big"):
         imagecenteredtext(250, 45, "$no_data_text1 $no_data_text2", 5, 12, $color1, 0); 
    break;
  } // end switch

  // send header to browser
  switch (TRUE) {
    case ($image_format == 'gif') : 
         header('Content-type: image/gif'); 
         imagegif($img);
    break;
    case ($image_format == 'png') : 
         header('Content-Type: image/png'); 
         imagepng($img);
    break;
    case ($image_format == 'jpeg') : 
         header('Content-type: image/jpeg'); 
         imagejpeg($img);
    break;
  } // end switch 

// get rid of the image since we don't need it in memory any more. 
// don't need any memory leaks taking down the server
imagedestroy($img);

// exit the script
exit;

} // end function nodataimage

// CtoF: converts degrees Celcius to degress Farenheight
function CtoF($value, $precision) {
  global $temp_prec;
  return round($value = ((1.8* $value) + 32),$precision);
} // end function C_to_F

// KTStoKPH: converts knots to KPH
function KTStoKPH($value, $precision) {
  global $wind_prec;
  return round($value = (1.852 * $value),$precision);
} // end function KTStoKPH

// KTStoMPH: converts knots to MPH
function KTStoMPH($value, $precision) {
  global $wind_prec;
  return round($value = (1.1508 * $value),$precision);
} // end function KTStoMPH

// MBtoINCHES: converts mb to in/Hg
function MBtoINCHES($value, $precision) {
  global $barom_prec;
  return round($value = ($value / 33.86388158),$precision);
} // end function MBtoINCHES

// MMtoINCHES: converts mm to inches
function MMtoINCHES($value, $precision) {
  global $rain_prec;
  return round($value = (.0393700787 * $value),$precision);
} // end function MMtoINCHES
 
/************* End of Function Definitions ****************/

?>