193 lines
6.9 KiB
PHP
193 lines
6.9 KiB
PHP
<?php
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namespace App\Console\Commands;
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use App\Console\Command;
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use App\Models\Enums\NavaidType;
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use App\Models\Navdata;
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/**
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* Class NavdataImport
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* @package App\Console\Commands
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*/
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class NavdataImport extends Command
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{
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protected $signature = 'phpvms:navdata';
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protected $description = '';
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/**
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* @return mixed|void
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* @throws \League\Geotools\Exception\InvalidArgumentException
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*/
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public function handle()
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{
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$this->info('Emptying the current navdata...');
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Navdata::query()->truncate();
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$this->info('Looking for nav files...');
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$this->read_wp_nav_aid();
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$this->read_wp_nav_fix();
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}
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/**
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* Read and parse in the navaid file
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* @throws \League\Geotools\Exception\InvalidArgumentException
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*/
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public function read_wp_nav_aid()
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{
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/*
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* ....,....1....,....2....,....3....,....4....,....5....,....6..
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* CORPUS CHRISTI CRP VORD 27.903764 -97.444881115.50H
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* CORPUS CHRISTI ICRP ILSD 27.759597 -97.495508110.30T
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* ROCKPORT RKP NDB 28.090569 -97.045544391.00N
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* NNNNNNNNNNNNNNNNNNNNNNNNIIII TTTT dd.dddddd ddd.ddddddfff.ffC NNNN
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* COL 1-24 Facility Name IIII
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* COL 25-28 ID TTTT
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* COL 30-33 Type ILS Insturment Landing System (Localizer)
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* ILSD ILS/DME
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* NDB Nondirectional Beacon
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* NDBM NDB/Locator Middle Marker (LMM)
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* NDBO NDB/Locator Outer Marker (LOM)
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* MARI Unknown - seems to be same as MHW class NDB
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* VOR VHF Omnidirectional Radio
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* VORD VOR/DME (no separate code for VORTAC)
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* dd.dddddd COL 34-43 Latitude (-Lat for South)
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* ddd.dddddd COL 44-54 Longitude ( -Lon for West)
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* fff.ff COL 55-60 Frequency (MHz for ILS/VOR KHz for NDB) See Note Below C
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* Col 61 Class H High Altitude/Long Range
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* N NDB
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* T Terminal/Short RangeNote:
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* If NDB frequency is above 999.99 KHz then the
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* frequecy field still starts in col 55 and C is col 62,
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* for example:....,....1....,....2....,....3....,....4....,....5....,....6..
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* EREBUNI Y NDBM 40.104053 44.4505831180.00N
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* Where the frequency above is 1180.00 KHz (1.180 MHz)
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*/
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$file_path = storage_path('/navdata/WPNAVAID.txt');
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if (!file_exists($file_path)) {
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$this->error('WPNAVAID.txt not found in storage/navdata');
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return false;
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}
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$this->info('Importing navaids (WPNAVAID.txt) ...');
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$generator = $this->readFile($file_path);
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$imported = 0;
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foreach ($generator as $line) {
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$navaid = [
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'id' => trim(substr($line, 24, 4)), // ident column
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'name' => trim(substr($line, 0, 24)),
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'type' => trim(substr($line, 29, 4)),
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'lat' => trim(substr($line, 33, 9)),
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'lon' => trim(substr($line, 43, 11)),
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'freq' => trim(substr($line, 54, 6)),
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'class' => trim($line[60]),
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];
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# Map to the Navaid enum
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switch ($navaid['type']) {
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case 'ILS':
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$navaid['type'] = NavaidType::LOC;
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break;
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case 'ILSDME':
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$navaid['type'] = NavaidType::LOC_DME;
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break;
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case 'NDB':
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case 'NDBM':
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case 'NDBO':
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case 'MARI':
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$navaid['type'] = NavaidType::NDB;
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break;
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case 'VOR':
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$navaid['type'] = NavaidType::VOR;
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break;
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case 'VORD':
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$navaid['type'] = NavaidType::VOR_DME;
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break;
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default:
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$navaid['type'] = NavaidType::UNKNOWN;
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break;
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}
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/*if($navaid['id'] === 'LCH' || $navaid['id'] === 'RSG') {
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print_r($navaid);
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}*/
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Navdata::updateOrCreate([
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'id' => $navaid['id'], 'name' => $navaid['name']
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], $navaid);
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$imported++;
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if ($imported % 100 === 0) {
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$this->info('Imported '.$imported.' entries...');
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}
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}
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$this->info('Imported a total of '.$imported.' nav aids');
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}
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/**
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*
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*/
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public function read_wp_nav_fix()
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{
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/*
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* ....,....1....,....2....,...3....,....4....,....
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* 5.8750W 8750W-87.000000 -50.000000
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* GAREP GAREP 37.619689 128.073419
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* CIHAD CIHAD 37.619719 -86.013228
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* FOLAB FOLAB 37.619931 -87.359411
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* KEKAD KEKAD 37.620000 67.518333
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* NIKDE NIKDE 37.620567-122.563328
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* ZUMAS ZUMAS 37.620575-113.167747
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* NNNNN NNNNN dd.dddddd dd.dddddd
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* Col 1-5 & 25-30 Fix Name
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* dd.dddddd Col 32-40 Latitude degrees (-Lat for South, sign Col 31)
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* ddd.dddddd Col 41-51 Longitude degrees (-Lon for West, decimal always Col 45)
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* Note: The duplicate name fields may be the result how the FAA
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* provides data, where there are many more fixes defined than provide
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* in the airac data. For example, most terminal data is not included.
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* This data includes airway crossing, radar service boundaries, etc.
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*/
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$file_path = storage_path('/navdata/WPNAVFIX.txt');
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if (!file_exists($file_path)) {
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$this->error('WPNAVFIX.txt not found in storage/navdata');
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return false;
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}
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$this->info('Importing navaids (WPNAVFIX.txt) ...');
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$generator = $this->readFile($file_path);
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$imported = 0;
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foreach ($generator as $line) {
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$navfix = [
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'id' => trim(substr($line, 0, 4)), // ident column
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'name' => trim(substr($line, 24, 6)),
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'type' => NavaidType::FIX,
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'lat' => trim(substr($line, 30, 10)),
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'lon' => trim(substr($line, 40, 11)),
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];
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switch ($navfix['type']) {
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default:
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$navfix['type'] = NavaidType::UNKNOWN;
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break;
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}
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Navdata::updateOrCreate(['id' => $navfix['id']], $navfix);
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$imported++;
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if ($imported % 100 === 0) {
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$this->info('Imported '.$imported.' entries...');
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}
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}
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$this->info('Imported a total of '.$imported.' nav fixes');
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}
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}
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