/
nws-alerts-details-inc.php
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/
nws-alerts-details-inc.php
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<?php
###############################################################
#
# NWS Public Alerts
# Detail Page
#
# This file is to be included in another page
#
###############################################################
// Version: 1.02 12-May-2014 - Removed cookie control. Added map options
// Version: 1.03 21-Dec-2015 - Add month and day to effective & expire times
// Version: 1.04 03-Aug-2016 - Add Google Maps API
// Version: 1.05 27-Jan-2018 - Fix for PHP 7.1
// Version 1.06 14-May-2019 - replaced Google Map with Leaflet/OpenStreetMaps
// Version 1.07 15-May-2019 - fix validation errata
// Version 1.08 27-Dec-2022 - fixes for PHP 8.2
// Version 1.09 01-Apr-2024 - added pin for station location on map
$Version = "nws-alerts-details-inc.php - V1.09 - 01-Apr-2024";
//ini_set('display_errors', 1);
//error_reporting(E_ALL);
include('nws-alerts-config.php'); // include the config/settings file
// overrides from Settings.php if available
global $SITE;
if(isset($SITE['cacheFileDir'])) {$cacheFileDir = $SITE['cacheFileDir'];}
if(isset($SITE['mapboxAPIkey'])) {$mapboxAPIkey = $SITE['mapboxAPIkey'];}
if(isset($SITE['latitude'])) {$myLat = $SITE['latitude'];}
if(isset($SITE['longitude'])) {$myLon = $SITE['longitude'];}
if(isset($SITE['cityname'])) {$myLoc = $SITE['cityname'];}
#list($myLat,$myLon,$myLoc) = array(31.42,-88.60,'Test Loc');
if(isset ($SITE['tz'])) {$ourTZ = $SITE['tz'];}
if(!function_exists('date_default_timezone_set')) {
putenv("TZ=" . $ourTZ);
} else {
date_default_timezone_set("$ourTZ");
}
include($cacheFileDir.$cacheFileName);// include the data cache file
// IF config file has not been updated, do not display the map
if(!isset($displaymap)) {$displaymap = '0';}
$alertDetails = ''; // set variable
$nothing = ''; // set variable
$loclatlon = array(); // set variable
$sfll = array(); // set variable
$zcll = ''; // set variable
$jsmap = ''; // set variable
$gmjs = ''; // set variable
$zCode = ''; // set variable
$zCoord = ''; // set variable
$czCode = ''; // set variable
$asf = array(); // set variable
$polyLegend = ''; // set variable
$sfllarea = array(); // set variable
// get last modified time of the cache file
$fileUpdated = date("D, n/j g:ia",filemtime($cacheFileDir.$cacheFileName));
if(isset($_GET['a']) && !empty($_GET['a'])) { // IF the location code is set
$czCode = htmlspecialchars(strip_tags($_GET['a'])); // clean up location code
(preg_match("/$czCode/", $validCodes)) ? $czCode = $czCode : $czCode = ''; // set variable to location code
(preg_match("/\w{2}Z\d/", $czCode)) ? $zCode = $czCode : $zCode = ''; // check for zone code
}
if(!isset($_GET['a']) or $czCode == '') { // IF the location code is set or no code found
$thisLoc = 'an unknown location'; // set location to unknown
$czCode = ''; // clear variable
$nothing = 'Location has not been identified'; // set alert remark
}
if(!empty($noAlerts) and in_array($czCode,$noAlerts)) { // IF there are no alerts for current location and code is in no alert array
$thisLoc = array_search($czCode,$noAlerts); // set variable to location
$czCode = ''; // clear variable
$nothing = 'No severe weather expected for '.$thisLoc; // set alert remark
}
// check if display map is requested
if(!preg_match('/0|1/', $displaymap)){ // IF the map display type variable is not valid
$displaymap = '0'; // don't display the map
echo '<!-- $displaymap is set incorrectly -->'."\n"; // display remark
echo "<!-- The Map is not displaying -->\n"; // display remark
}
if($nothing <> '') { // IF there are no alerts, or missing location, create alert table
$alertDetails = '
<div style="width: 630px; margin: 0px auto 6px auto; border: 1px solid #000; background-color:#EFEFEF">
<table width="600" border="0" cellspacing="0" cellpadding="0" style="margin: 10px auto 14px auto">
<tr>
<td style="text-align:center; color:#000; padding:4px 0px 2px;">'.$nothing.'</td>
</tr>
</table>
</div>
<p> </p>
';
}
if(!empty($czCode)) { // IF there are alerts for the location
foreach($atomAlerts[$czCode] as $aak => $aav) { // FOR EACH alert
$thisLoc = $aav[12]; // get the location
$aav[7] = htmlspecialchars($aav[7]); // change html characters
$aav[8] = htmlspecialchars($aav[8]); // change html characters
(!empty($aav[4])) ? $effective = date("D, n/j g:ia",$aav[4]) : $effective = ''; // get effective time
(!empty($aav[2])) ? $intensity = $aav[2] : $intensity = ' - - -'; // get intensity
(!empty($aav[1])) ? $urgency = $aav[1] : $urgency = ' - - -'; // get urgency
(!empty($aav[5])) ? $expires = date("D, n/j g:ia",$aav[5]) : $expires = ''; // get expiration time
(!empty($aav[3])) ? $certainty = $aav[3] : $certainty = ' - - -'; // get certainty
(!empty($aav[6])) ? $areas = $aav[6] : $areas = ''; // get areas affected
(!empty($aav[7])) ? $instruction = "<br />\n<b>Information:</b>\n"
.'<pre style="white-space:pre-wrap">'
.$aav[7].'</pre>' : $instruction = ''; // get information/instructions
(!empty($aav[8])) ? $details = "\n<b>Details:</b>\n".'<pre style="white-space:pre-wrap">'
.$aav[8].'</pre>' : $details = ''; // get details
(!empty($aav[15])) ? $sf = $aav[15] : $sf = ''; // get shape area
if(!empty($sf)){ // IF there is a shape area
$sfll[] = explode(' ', $sf); // create array of coordinates for shape files
$asf[] = preg_replace("/\s/", ' ', $aav[0]); // create array for alert shape file
$sfllarea[] = $areas;
}
if(!empty($intensity) and $intensity == 'Extreme') {
$intensity = '<span style="color: red"><b> '.$intensity.' </b></span>';} // change intensity color
if(!empty($intensity) and $intensity == 'Severe') {
$intensity = '<span style="color: #F66"><b> '.$intensity.' </b></span>';} // change intensity color
if(!empty($intensity) and $intensity == 'Moderate') {
$intensity = '<span style="color: #B77"><b> '.$intensity.' </b> </span>';} // change intensity color
if(!empty($areas)) {$areas = preg_replace('/;/',' -',$areas);} // change semi-colon to a dash
($displaymap != '1') ? $goto = '<a name="WA'.$aav[13].'" id="WA'.$aav[13].'"></a>' :
$goto = ''; // remove page link if map is displayed
// put together all details
$alertDetails .= ' <div style="width:630px; margin:0px auto 0px auto; border:1px solid '
.$aav[9].'; background-color:#EFEFEF">'.
$goto.'
<table width="610px" border="0" cellspacing="0" cellpadding="0" style="margin:10px auto 14px auto">
<tr>
<td colspan="3" style="text-align:center; color:'.$aav[9].'; padding:4px 0px 2px; font-size:110%">'
.$aav[10].' <b>'.strtoupper($aav[0]).'</b> '.$aav[10].'</td>
</tr>
<tr>
<td colspan="3" style="text-align:center; letter-spacing:2px; padding:4px 8px 4px 8px; font-size:115%"><b>'
.strtoupper($aav[12]).'</b></td>
</tr>
<tr>
<td colspan="3" style="text-align: center; padding:4px 12px 18px 12px"><hr style="color:'.$aav[9].'"/><b>Areas Affected:</b><br /> '.$areas.'</td>
</tr>
<tr>
<td style="padding-left:28px;"><b>Effective:</b> '.$effective.'</td>
<td style="padding-left:28px;"><b>Updated:</b> '.$fileUpdated.'</td>
<td style="padding-left:28px;"><b>Urgency:</b> '.$urgency.'</td>
</tr>
<tr>
<td style="padding-left:28px;"><b>Expires:</b> '.$expires.'</td>
<td style="padding-left:28px;"><b>Severity:</b> '.$intensity.'</td>
<td style="padding-left:28px;"><b>Certainty:</b> '.$certainty.'</td>
</tr>
<tr>
<td colspan="3" style="text-align: center; padding:4px 12px 0px 12px"><hr style="color:'.$aav[9].'"/> </td>
</tr>
<tr>
<td colspan="3" style="background-color: #FEFEF6; padding:10px; border: 1px solid '.$aav[9].'">'.$details.$instruction.'</td>
</tr>
</table>
</div>
<p> </p>
';
}
}
//echo "<!-- displaymap='$displaymap' sfll='".print_r($sfll,true)."' zCode='$zCode'-->\n";
// MAP
// create the map
$leafletScript = '';
if(($displaymap == '1' and !empty($sfll))) { // IF display map option is selected & polygon provided
if(file_exists('nws-all-zones-inc.php') && !empty($zCode) && $displaymap !== '0') { // IF the shape file
include_once('nws-all-zones-inc.php'); // load our Zones=>lat/lon centroid lookup table
if(isset($loclatlon[$zCode])) {
list($lat,$lon) = explode('|',$loclatlon[$zCode]); // IF the zone code is in the shape file array
$zcll = $lat.','.$lon; // get zone code latitude,longitude
// set polygon overlays
if(!empty($sfll)) { // IF there are shape files
$cp = count($sfll)*4+1; // count shapes files, times by 4 & add - used for different line widths
$polyLegend = ' <div style="width: 630px; text-align:center; background-color:#FFF">'; // create the polygon legend
$zcllA = preg_replace("/(.*)\,(.*)/", '[$1,$2]', $zcll); // create center location formatted output from coordinates
foreach($sfll as $zk => $zv) { // FOR EACH shape file
$cs = preg_replace("/(.*)\,(.*)/", '[$1,$2]', $zv); // create formatted polygon coordinates
$cp = $cp/2; // divide number of shape files by 2
if($cp < 1.0) {$cp = 1;}
if($cp > 5.0) {$cp = 5;}
$czc = count($zv); // format polygon coordinates
$zCoord .= over_layB($zk,$cp,$cs,$asf,$sfllarea);
// create polygon legend
$polyLegend .= '
<span style="white-space: nowrap"><span style="color:black; font-size:75%; background-color:'.$rc
.'; border:1px solid black;"> </span>
<span style="color:black; font-size:75%;">'.$asf[$zk].' </span></span> ';
}
$zCoord .= "\n// ]]>\n</script>\n";
$polyLegend .= "\n </div>\n";
}
// put together google map javascript
list($mapslist,$selectedmap) = make_map_selector ($mapProvider,$mapboxAPIkey);
$gmjs .= '
<div id="map" style="width: 630px; height: 260px; border:1px solid black"></div>
<!-- Leaflet 1.0.3 javascript by Saratoga-weather.org -->
<script type="text/javascript">
// <![CDATA[
'.$mapslist.'
var imagesDir = \''.$icons_folder.'\'; // our marker/cluster images locations
var map = L.map(\'map\', {
center: new L.latLng('.$zcllA.'),
zoom: '.$zoomLevel.',
layers: ['.$selectedmap.'],
scrollWheelZoom: false
});
L.control.scale().addTo(map);
L.control.layers(baseLayers).addTo(map);
var markerImageGreen = new L.icon({
iconUrl: imagesDir+"/location.png",
iconSize: [12, 20],
iconAnchor: [6, 20]
});
title = "'.$myLoc.' (our station location)";
var marker = new L.marker(new L.LatLng('.$myLat.','.$myLon.'),{
clickable: true,
draggable: false,
icon: markerImageGreen,
title: title,
});
marker.bindPopup(title);
marker.addTo(map);
';
}
$leafletScript = '<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.3/leaflet.js" type="text/javascript"></script>'."\n";
}
}
// FUNCTION - set google map polygon attributes
function over_layB($se,$pc,$po,$title,$affected) {
global $rc, $atomAlerts;
$cs = $se;
$colors = array('#DF0101','#F79F81','#F2F5A9','#0174DF','#58FAD0',
'#FACC2E','#01DF01','#F7BE81','#FE2E64','#E0F8EC');
$cc = count($colors);
if(!isset($colors[$cs])) {$tr = range(0,$cs); shuffle($tr); $cs = $tr[0];}
$rc = $colors[$cs];
$ol = "\n var polyc".$se." = [\n";
foreach($po as $pk => $pv) {
$ol .= " ".$pv.",\n";
}
//$affected = isset($atomAlerts[$se][6])?'<br/>'.trim($atomAlerts[$se][6]):'';
$ol .= ' ];
// $asf[$se]="'.$title[$se].'"
// $sfllarea[$se]="'.$affected[$se].'"
//
var mapoly'.$se.' = new L.polygon(polyc'.$se.',{
opacity: 1.0,
color: "'.$rc.'",
strokeOpacity: 0.9,
weight: '.$pc.',
fillColor: "'.$colors[$cs].'",
fillOpacity: 0.20,
title: "'.$title[$se].'"
}).addTo(map);'."\n" . '
mapoly'.$se.'.bindTooltip("'.$title[$se].'<br/>'.trim($affected[$se]).'",
{ sticky: true,
direction: "auto"
});
';
return $ol;
} // end of function
function make_map_selector ($mapProvider,$mapboxAPIkey) {
$output = '';
// table of available map tile providers
$mapTileProviders = array(
'OSM' => array(
'name' => 'Street',
'URL' =>'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
'attrib' => '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, Points © 2012 LINZ',
'maxzoom' => 18
),
'Wikimedia' => array(
'name' => 'Street2',
'URL' =>'https://maps.wikimedia.org/osm-intl/{z}/{x}/{y}.png',
'attrib' => '<a href="https://wikimediafoundation.org/wiki/Maps_Terms_of_Use">Wikimedia</a>',
'maxzoom' => 18
),
'Esri_WorldTopoMap' => array(
'name' => 'Terrain',
'URL' => 'https://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer/tile/{z}/{y}/{x}',
'attrib' => 'Tiles © <a href="https://www.esri.com/en-us/home" title="Sources: Esri, DeLorme, NAVTEQ, TomTom, Intermap, iPC, USGS, FAO, NPS, NRCAN, GeoBase, Kadaster NL, Ordnance Survey, Esri Japan, METI, Esri China (Hong Kong), and the GIS User Community">Esri</a>',
'maxzoom' => 18
),
'Terrain' => array(
'name' => 'Terrain2',
'URL' =>'http://{s}.tile.stamen.com/terrain/{z}/{x}/{y}.jpg',
'attrib' => '<a href="https://creativecommons.org/licenses/by/3.0">CC BY 3.0</a> <a href="https://stamen.com">Stamen.com</a> | Data © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors.',
'maxzoom' => 14
),
'OpenTopo' => array(
'name' => 'Topo',
'URL' =>'https://{s}.tile.opentopomap.org/{z}/{x}/{y}.png',
'attrib' => ' © <a href="https://opentopomap.org/">OpenTopoMap</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-SA</a>) | Data © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors.',
'maxzoom' => 15
),
'MapboxTer' => array(
'name' => 'Terrain3',
'URL' =>'https://api.mapbox.com/styles/v1/mapbox/outdoors-v10/tiles/256/{z}/{x}/{y}?access_token='.
$mapboxAPIkey,
'attrib' => '© <a href="https://mapbox.com">MapBox.com</a> | Data © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors.',
'maxzoom' => 18
),
'MapboxSat' => array(
'name' => 'Satellite',
'URL' =>'https://api.mapbox.com/styles/v1/mapbox/satellite-streets-v10/tiles/256/{z}/{x}/{y}?access_token='.
$mapboxAPIkey,
'attrib' => '© <a href="https://mapbox.com">MapBox.com</a> | Data © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors.',
'maxzoom' => 18
),
);
if(isset($mapTileProviders[$mapProvider]) ) {
$output .= "// using \$mapProvider = '$mapProvider' as default map tiles.\n";
} else {
$output .= "// invalid \$mapProvider = '$mapProvider' - using OSM for map tiles instead. -->\n";
$mapProvider = 'OSM';
}
$mapTilesAttrib = ' | Script by <a href="https://saratoga-weather.org/scripts-quake.php#quakePHP">Saratoga-weather.org</a>';
$mList = '';
$mFirstMap = '';
$mSelMap = '';
$swxAttrib = ' | Map Script by <a href="https://saratoga-weather.org/">Saratoga-weather.org</a>';
$mScheme = $_SERVER['SERVER_PORT']==443?'https':'http';
foreach ($mapTileProviders as $n => $M ) {
$name = $M['name'];
$vname = 'M'.strtolower($name);
if(empty($mFirstMap)) {$mFirstMap = $vname; } // default map is first in list
if(strpos($n,'Mapbox') !== false and
strpos($mapboxAPIkey,'-API-key-') !== false) {
$mList .= "\n".'// skipping Mapbox - '.$name.' since $mapboxAPIkey is not set'."\n\n";
continue;
}
if($mScheme == 'https' and parse_url($M['URL'],PHP_URL_SCHEME) == 'http') {
$mList .= "\n".'// skipping '.$name.' due to http only map tile link while our page is https'."\n\n";
continue;
}
if($mapProvider == $n) {$mSelMap = $vname;}
$mList .= 'var '.$vname.' = L.tileLayer(\''.$M['URL'].'\', {
maxZoom: '.$M['maxzoom'].',
attribution: \''.$M['attrib'].$swxAttrib.'\'
});
';
$mOpts[$name] = $vname;
}
$output .= "// Map tile providers:\n";
$output .= $mList;
$output .= "// end of map tile providers\n\n";
$output .= "var baseLayers = {\n";
$mtemp = '';
foreach ($mOpts as $n => $v) {
$mtemp .= ' "'.$n.'": '.$v.",\n";
}
$mtemp = substr($mtemp,0,strlen($mtemp)-2)."\n";
$output .= $mtemp;
$output .= "}; \n";
if(empty($mSelMap)) {$mSelMap = $mFirstMap;}
// end Generate map tile options
return(array($output,$mSelMap));
}
?>
<div style="width:632px; margin:0px auto 0px auto;">
<table cellspacing="0" cellpadding="0" style="width:100%; margin:0px auto 0px auto; border:1px solid black; background-color:#F5F8FE">
<tr>
<td style="text-align:center; background:url(<?php
echo $icons_folder ?>/NOAAlogo1.png) no-repeat; background-position:center; padding:5px 0px 5px 0px"><h3>Weather Alerts for <?php
echo $thisLoc; ?></h3><p>Issued by the National Weather Service </p></td>
</tr>
</table>
<p> </p>
<?php
echo $leafletScript;
echo $gmjs;
echo $zCoord;
echo $polyLegend;
?>
<p> </p>
<?php echo $alertDetails ?>
</div>