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make-NWS-zones-index.php
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make-NWS-zones-index.php
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<?php
#------------------------------------------------------------------------------
# Program: make-NWS-zones-index.php
#
# Purpose: read the shapefiles for NWS Forecast Zones, County Zones, Marine Zones
# and Fire Zones and create a PHP associative array for data about the<br />
# zones for easy access of Polygon info for NWS_Land_Alerts.php GRLevel3<br />
# placefile generator.
#
# Author: Ken True - [email protected]
#
# Reguires: installation of php-shapefile from https://gasparesganga.com/labs/php-shapefile/
# unzipped shapefiles from https://www.weather.gov/gis/AWIPSShapefiles placed<br>
# in ./shapefiles/ subdirecory. the following files are used:
# Forecast: https://www.weather.gov/gis/PublicZones
# County: https://www.weather.gov/gis/Counties
# Fire: https://www.weather.gov/gis/FireZones
# Marine: https://www.weather.gov/gis/MarineZones
#
# Program only has to be run when there are updates to the NWS shapefiles.
#
# Output: NWS-zones-inc.php script with $NWSzones array
#
# Version 1.00 - 02-Sep-2023 - initial release
# Version 1.01 - 16-Feb-2024 - update for March 5, 2024 shapefiles
#
#------------------------------------------------------------------------------
# Settings:
#
/*
// March 08, 2023 files
$toDo = array( # list of shapefiles to index
# ID Array .shp file location
'F|fcstZones|./shapefiles/z_08mr23.shp',
'C|countyZones|./shapefiles/c_08mr23.shp',
'M|marineZones|./shapefiles/mz08mr23.shp',
'W|fireZones|./shapefiles/fz08mr23.shp',
);
$outfile = 'NWS-zones-inc-202303-test.txt';
//*/
/*
// September 19 2023 files
$toDo = array( # list of shapefiles to index
# ID Array .shp file location
'F|fcstZones|./shapefiles/z_19se23.shp',
'C|countyZones|./shapefiles/c_19se23.shp',
'M|marineZones|./shapefiles/mz19se23.shp',
'W|fireZones|./shapefiles/fz19se23.shp',
);
$outfile = 'NWS-zones-inc-202308-test.txt';
//*/
// March 5, 2024 files
$toDo = array( # list of shapefiles to index
# ID Array .shp file location
'F|fcstZones|./shapefiles/z_05mr24.shp',
'C|countyZones|./shapefiles/c_05mr24.shp',
'M|marineZones|./shapefiles/mz05mr24.shp',
'W|fireZones|./shapefiles/fz05mr24.shp',
);
$outfile = 'NWS-zones-inc-202403-test.txt';
//*/
#
# end of settings
#------------------------------------------------------------------------------
$Version = "make-NWS-zones-index.php - V1.01 - 16-Feb-2024";
header('Content-type: text/plain;charset=ISO-8859-1');
include_once('NWStimeZones.php');
// Register autoloader
require_once('php-shapefile/src/Shapefile/ShapefileAutoloader.php');
Shapefile\ShapefileAutoloader::register();
// Import classes
use Shapefile\Shapefile;
use Shapefile\ShapefileException;
use Shapefile\ShapefileReader;
date_default_timezone_set('America/Los_Angeles');
global $output,$NWStimeZones;
print "$Version\n";
print "Run on ".date("r")."\n";
print "Output file: $outfile\n\n";
$output = "<?php\n";
$output .= "# combined Forecast, County, Marine and Fire zones index lookup\n";
$output .= "# for use by NWS_Land_Alerts.php placefile generator\n";
$output .= "# Author: Ken True - [email protected]\n";
$output .= "# generated ".date("r")."\n";
$output .= "# by $Version\n";
$output .= "#\n";
$zoneLookup = array();
foreach ($toDo as $k => $what) {
list($ID,$varname,$DB) = explode('|',$what);
$zoneLookup['_'.$ID] = $DB;
print "..loading $varname from $DB\n";
$DBupdated = date("r",filemtime($DB));
${$varname} = get_shapefile_data($ID,$varname,$DB);
$recs = 0;
$duplicate = 0;
foreach (${$varname} as $key => $data) {
if(!isset($zoneLookup[$key]) ) {
$zoneLookup[$key] = $ID.'|'.$data;
$recs++;
} else {
$zoneLookup[$key] = $zoneLookup[$key]."\t".$ID.'|'.$data;
$recs++;
$duplicate++;
}
}
unset(${$varname});
print ".. $recs $ID zones added with $duplicate duplicate zones appended.\n\n";
$output .= "# created from $DB updated $DBupdated.\n";
$output .= "# use key '_$ID' for $DB lookups\n";
$output .= "# $recs $ID zones added with $duplicate duplicate zones appended.\n\n";
}
ksort($zoneLookup);
print ".. Done. ".count($zoneLookup)." entries saved to $outfile\n";
$output .= "# '<zone>' => '<DB>|<index>|<name>|<lat>|<long>[|<TZcode>]',\n";
$output .= "\$zoneLookup = ";
file_put_contents($outfile,$output.var_export($zoneLookup,true).";\n# end of output\n");
#------------------------------------------------------------------------------
function get_shapefile_data($ID,$varname,$DB) {
global $output,$NWStimeZones;
$DATA = array();
try {
// Open Shapefile
$Shapefile = new ShapefileReader($DB);
echo "-------------------------------------------------\n";
echo "Shapefile: $varname in $DB\n\n";
// Get Shape Type
echo "Shape Type : ";
echo $Shapefile->getShapeType() . " - " . $Shapefile->getShapeType(Shapefile::FORMAT_STR);
echo "\n";
// Get number of Records
echo "Records : ";
print_r($Shapefile->getTotRecords());
echo "\n";
// Get Charset
echo "Charset : ";
print_r($Shapefile->getCharset());
echo "\n";
// Get Bounding Box
echo "Bounding Box : ";
print_r($Shapefile->getBoundingBox());
echo "\n\n";
// Get PRJ
echo "Projections : ";
print_r($Shapefile->getPRJ());
echo "\n\n";
// Get DBF Fields
echo "DBF Fields : ";
print json_encode($Shapefile->getFields());
echo "\n\n";
$n =0;
print "Sample records:\n";
$fields = $Shapefile->getFieldsNames();
print implode('|',$fields)."\n";
foreach($Shapefile as $index => $Geometry) {
// Skip the record if marked as "deleted"
if ($Geometry->isDeleted()) {
continue;
}
$vals = array();
foreach ($fields as $i => $name) {
$vals[$name] = $Geometry->getData($name);
}
print implode('|',$vals)."\n";
unset($vals);
$n++;
if($n > 4) {break;}
}
print "\n\n";
$DATA = get_data($Shapefile,$ID);
} catch (ShapefileException $e) {
// Print detailed error information
echo "Error Type: " . $e->getErrorType()
. "\nMessage: " . $e->getMessage()
. "\nDetails: " . $e->getDetails();
return(array());
}
return($DATA);
}
#------------------------------------------------------------------------------
function get_data($Shapefile,$ID) {
global $output,$NWStimeZones;
$data = array();
if($ID == 'F') { #Forecast Zone Data
#-------#
$fields = $Shapefile->getFieldsNames();
/*
fields:
array (
0 => 'STATE',
1 => 'CWA',
2 => 'TIME_ZONE',
3 => 'FE_AREA',
4 => 'ZONE',
5 => 'NAME',
6 => 'STATE_ZONE',
7 => 'LON',
8 => 'LAT',
9 => 'SHORTNAME',
)
idx=1: AL,BMX,C,ec,019,Calhoun,AL019,-8.58261000000e+01,3.37714000000e+01,Calhoun
*/
$i = 0;
$fcstZones = array();
$timeZones = array();
foreach($Shapefile as $idx => $Geometry) {
// Skip the record if marked as "deleted"
if ($Geometry->isDeleted()) {
continue;
}
$vals = array();
foreach ($fields as $i => $name) {
$vals[$name] = $Geometry->getData($name);
}
$zone = $vals['STATE'].'Z'.$vals['ZONE'];
$clat = sprintf("%01.4f",$vals['LAT']);
$clon = sprintf("%01.4f",$vals['LON']);
$fcstZones[$zone] = implode('|',array($idx,$vals['NAME'],$clat,$clon,$vals['TIME_ZONE']));
if(isset($timeZones[$vals['TIME_ZONE']])) {
$timeZones[$vals['TIME_ZONE']]++;
} else {
$timeZones[$vals['TIME_ZONE']] = 1;
}
unset($vals);
}
ksort($fcstZones);
ksort($timeZones);
print "..timezones found/counts:\n";
print " Code\tCount as\n";
foreach ($timeZones as $abbrev => $count) {
if(isset($NWStimeZones[$abbrev])) {
print " '$abbrev'\t$count\tas ".$NWStimeZones[$abbrev]."\n";
} else {
print " '$abbrev'\t$count\tnot defined in \$NWStimeZones\n";
}
}
print " ".count($timeZones)." codes found.\n\n";
return($fcstZones);
#-------#
} # end Forecast Zone data
if($ID == 'C') { #County Zone Data
#-------#
$fields = $Shapefile->getFieldsNames();
/*
array (
0 => 'STATE',
1 => 'CWA',
2 => 'COUNTYNAME',
3 => 'FIPS',
4 => 'TIME_ZONE',
5 => 'FE_AREA',
6 => 'LON',
7 => 'LAT',
)
idx=1: ME,CAR,Washington,23029,E,se,-67.63610000000,45.03630000000
idx=2: GA,CHS,McIntosh,13191,E,se,-81.26460000000,31.53290000000
idx=3: GA,CHS,Liberty,13179,E,se,-81.21030000000,31.70930000000
*/
$i = 0;
$fcstZones = array();
$timeZones = array();
foreach($Shapefile as $idx => $Geometry) {
// Skip the record if marked as "deleted"
if ($Geometry->isDeleted()) {
continue;
}
$vals = array();
foreach ($fields as $i => $name) {
$vals[$name] = $Geometry->getData($name);
}
$zone = $vals['STATE'].'C'.substr($vals['FIPS'],2,3);
$clat = sprintf("%01.4f",$vals['LAT']);
$clon = sprintf("%01.4f",$vals['LON']);
if(!isset($fcstZones[$zone])) {
$fcstZones[$zone] = implode('|',array($idx,$vals['COUNTYNAME'].', '.$vals['STATE'],$clat,$clon,$vals['TIME_ZONE']));
} else {
$fcstZones[$zone] .= "\t".implode('|',array($idx,$vals['COUNTYNAME'].', '.$vals['STATE'],$clat,$clon,$vals['TIME_ZONE']));
print ".. $zone added ".$fcstZones[$zone]."\n";
}
if(isset($timeZones[$vals['TIME_ZONE']])) {
$timeZones[$vals['TIME_ZONE']]++;
} else {
$timeZones[$vals['TIME_ZONE']] = 1;
}
unset($vals);
}
ksort($fcstZones);
ksort($timeZones);
print "..timezones found/counts:\n";
print " Code\tCount as\n";
foreach ($timeZones as $abbrev => $count) {
if(isset($NWStimeZones[$abbrev])) {
print " '$abbrev'\t$count\tas ".$NWStimeZones[$abbrev]."\n";
} else {
print " '$abbrev'\t$count\tnot defined in \$NWStimeZones\n";
}
}
print " ".count($timeZones)." codes found.\n\n";
return($fcstZones);
#-------#
} # end County Zones
if($ID == 'W') { #Fire Zone Data
#-------#
$fields = $Shapefile->getFieldsNames();
/*
fields:
array (
0 => 'STATE',
1 => 'CWA',
2 => 'TIME_ZONE',
3 => 'FE_AREA',
4 => 'ZONE',
5 => 'NAME',
6 => 'STATE_ZONE',
7 => 'LON',
8 => 'LAT',
9 => 'SHORTNAME',
)
idx=1: AL,BMX,C,ec,019,Calhoun,AL019,-8.58261000000e+01,3.37714000000e+01,Calhoun
*/
$i = 0;
$fcstZones = array();
$timeZones = array();
foreach($Shapefile as $idx => $Geometry) {
// Skip the record if marked as "deleted"
if ($Geometry->isDeleted()) {
continue;
}
$vals = array();
foreach ($fields as $i => $name) {
$vals[$name] = $Geometry->getData($name);
}
$zone = $vals['STATE'].'Z'.$vals['ZONE'];
$clat = sprintf("%01.4f",$vals['LAT']);
$clon = sprintf("%01.4f",$vals['LON']);
if(substr($vals['TIME_ZONE'],0,1) < 'A') { # fix one bad TZ of 'M'
print ".. fixed $zone TZ '".$vals['TIME_ZONE']."' to be ";
$vals['TIME_ZONE'] = substr($vals['TIME_ZONE'],1);
print "'".$vals['TIME_ZONE']."' \n";
}
$fcstZones[$zone] = implode('|',array($idx,$vals['NAME'],$clat,$clon,$vals['TIME_ZONE']));
#print "idx=$idx: ".implode(',',$vals)."\n";
if(isset($timeZones[$vals['TIME_ZONE']])) {
$timeZones[$vals['TIME_ZONE']]++;
} else {
$timeZones[$vals['TIME_ZONE']] = 1;
}
unset($vals);
}
ksort($fcstZones);
ksort($timeZones);
print "..timezones found/counts:\n";
print " Code\tCount as\n";
foreach ($timeZones as $abbrev => $count) {
if(isset($NWStimeZones[$abbrev])) {
print " '$abbrev'\t$count\tas ".$NWStimeZones[$abbrev]."\n";
} else {
print " '$abbrev'\t$count\tnot defined in \$NWStimeZones\n";
}
}
print " ".count($timeZones)." codes found.\n\n";
return($fcstZones);
#-------#
}
if($ID == 'M') { #Marine Zone Data
#-------#
$fields = $Shapefile->getFieldsNames();
/*
array (
0 => 'ID',
1 => 'WFO',
2 => 'GL_WFO',
3 => 'NAME',
4 => 'LON',
5 => 'LAT',
)
idx=1: PHZ113,HFO,,Kauai Channel,-158.97240000000,21.61690000000
idx=2: PHZ112,HFO,,Kauai Leeward Waters,-160.23140000000,21.66410000000
idx=3: GMZ155,BRO,,Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM,-97.15790000000,26.90680000000
*/
$i = 0;
$fcstZones = array();
foreach($Shapefile as $idx => $Geometry) {
// Skip the record if marked as "deleted"
if ($Geometry->isDeleted()) {
continue;
}
$vals = array();
foreach ($fields as $i => $name) {
$vals[$name] = $Geometry->getData($name);
}
$zone = $vals['ID'];
$clat = sprintf("%01.4f",$vals['LAT']);
$clon = sprintf("%01.4f",$vals['LON']);
if(!isset($fcstZones[$zone])) {
$fcstZones[$zone] = implode('|',array($idx,$vals['NAME'],$clat,$clon,''));
} else {
$fcstZones[$zone] .= "\t".implode('|',array($idx,$vals['NAME'],$clat,$clon,''));
print ".. $zone added ".$fcstZones[$zone]."\n";
}
unset($vals);
}
ksort($fcstZones);
return($fcstZones);
#-------#
} # end Marine Zone
return($data);
}
# end of program