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Import navigation data from Navigraph files

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This commit is contained in:
Nabeel Shahzad
2017-12-20 16:34:52 -06:00
parent 3f8073e552
commit 17093e9fe9
9 changed files with 289 additions and 53 deletions
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197
app/Console/Commands/NavdataCommand.php Normal file
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<?php
namespace App\Console\Commands;
use Illuminate\Console\Command;
use App\Models\Navdata;
use App\Models\Enums\NavaidType;
class NavdataCommand extends Command
{
protected $signature = 'phpvms:navdata';
protected $description = '';
/**
* Streaming file read
* @param $filename
* @return \Generator
*/
protected function readFile($filename)
{
$fp = fopen($filename, 'rb');
while (($line = fgets($fp)) !== false) {
$line = rtrim($line, "\r\n");
if($line[0] === ';') {
continue;
}
yield $line;
}
fclose($fp);
}
/**
* Read and parse in the navaid file
*/
public function read_wp_nav_aid()
{
/*
* ....,....1....,....2....,....3....,....4....,....5....,....6..
* CORPUS CHRISTI CRP VORD 27.903764 -97.444881115.50H
* CORPUS CHRISTI ICRP ILSD 27.759597 -97.495508110.30T
* ROCKPORT RKP NDB 28.090569 -97.045544391.00N
* NNNNNNNNNNNNNNNNNNNNNNNNIIII TTTT dd.dddddd ddd.ddddddfff.ffC NNNN
* COL 1-24 Facility Name IIII
* COL 25-28 ID TTTT
* COL 30-33 Type ILS Insturment Landing System (Localizer)
* ILSD ILS/DME
* NDB Nondirectional Beacon
* NDBM NDB/Locator Middle Marker (LMM)
* NDBO NDB/Locator Outer Marker (LOM)
* MARI Unknown - seems to be same as MHW class NDB
* VOR VHF Omnidirectional Radio
* VORD VOR/DME (no separate code for VORTAC)
* dd.dddddd COL 34-43 Latitude (-Lat for South)
* ddd.dddddd COL 44-54 Longitude ( -Lon for West)
* fff.ff COL 55-60 Frequency (MHz for ILS/VOR KHz for NDB) See Note Below C
* Col 61 Class H High Altitude/Long Range
* N NDB
* T Terminal/Short RangeNote:
* If NDB frequency is above 999.99 KHz then the
* frequecy field still starts in col 55 and C is col 62,
* for example:....,....1....,....2....,....3....,....4....,....5....,....6..
* EREBUNI Y NDBM 40.104053 44.4505831180.00N
* Where the frequency above is 1180.00 KHz (1.180 MHz)
*/
$file_path = storage_path('/navdata/WPNAVAID.txt');
if (!file_exists($file_path)) {
$this->error('WPNAVAID.txt not found in storage/navdata');
return false;
}
$this->info('Importing navaids (WPNAVAID.txt) ...');
$generator = $this->readFile($file_path);
$imported = 0;
foreach($generator as $line) {
$navaid = [
'id' => trim(substr($line, 24, 4)), // ident column
'name' => trim(substr($line, 0, 24)),
'type' => trim(substr($line, 29, 4)),
'lat' => trim(substr($line, 33, 9)),
'lon' => trim(substr($line, 44, 10)),
'freq' => trim(substr($line, 54, 6)),
'class' => trim($line[60]),
];
switch($navaid['type'])
{
case 'ILS':
$navaid['type'] = NavaidType::LOC;
break;
case 'ILSDME':
$navaid['type'] = NavaidType::LOC_DME;
break;
case 'NDB':
case 'NDBM':
case 'NDBO':
case 'MARI':
$navaid['type'] = NavaidType::NDB;
break;
case 'VOR':
$navaid['type'] = NavaidType::VOR;
break;
case 'VORD':
$navaid['type'] = NavaidType::VOR_DME;
break;
default:
$navaid['type'] = NavaidType::UNKNOWN;
break;
}
Navdata::updateOrCreate(['id' => $navaid['id']], $navaid);
$imported++;
if($imported % 100 === 0) {
$this->info('Imported ' . $imported . ' entries...');
}
}
$this->info('Imported a total of ' . $imported . ' nav aids');
}
/**
*
*/
public function read_wp_nav_fix()
{
/*
* ....,....1....,....2....,...3....,....4....,....
* 5.8750W 8750W-87.000000 -50.000000
* GAREP GAREP 37.619689 128.073419
* CIHAD CIHAD 37.619719 -86.013228
* FOLAB FOLAB 37.619931 -87.359411
* KEKAD KEKAD 37.620000 67.518333
* NIKDE NIKDE 37.620567-122.563328
* ZUMAS ZUMAS 37.620575-113.167747
* NNNNN NNNNN dd.dddddd dd.dddddd
* Col 1-5 & 25-30 Fix Name
* dd.dddddd Col 32-40 Latitude degrees (-Lat for South, sign Col 31)
* ddd.dddddd Col 41-51 Longitude degrees (-Lon for West, decimal always Col 45)
* Note: The duplicate name fields may be the result how the FAA
* provides data, where there are many more fixes defined than provide
* in the airac data. For example, most terminal data is not included.
* This data includes airway crossing, radar service boundaries, etc.
*/
$file_path = storage_path('/navdata/WPNAVFIX.txt');
if(!file_exists($file_path)) {
$this->error('WPNAVFIX.txt not found in storage/navdata');
return false;
}
$this->info('Importing navaids (WPNAVFIX.txt) ...');
$generator = $this->readFile($file_path);
$imported = 0;
foreach ($generator as $line) {
$navfix = [
'id' => trim(substr($line, 0, 4)), // ident column
'name' => trim(substr($line, 24, 6)),
'type' => NavaidType::FIX,
'lat' => trim(substr($line, 30, 10)),
'lon' => trim(substr($line, 40, 11)),
];
switch ($navfix['type']) {
default:
$navfix['type'] = NavaidType::UNKNOWN;
break;
}
Navdata::updateOrCreate(['id' => $navfix['id']], $navfix);
$imported++;
if ($imported % 100 === 0) {
$this->info('Imported ' . $imported . ' entries...');
}
}
$this->info('Imported a total of ' . $imported . ' nav fixes');
}
public function handle()
{
$this->info('Emptying the current navdata...');
Navdata::query()->truncate();
$this->info('Looking for nav files...');
$this->read_wp_nav_aid();
$this->read_wp_nav_fix();
}
}

22
app/Console/Commands/Test.php
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@@ -1,22 +0,0 @@
<?php
namespace App\Console\Commands;
use Illuminate\Console\Command;
class Test extends Command
{
protected $signature = 'phpvms:test';
protected $description = '';
public function __construct()
{
parent::__construct();
}
public function handle()
{
print resource_path();
}
}

19
app/Database/migrations/2017_12_20_004147_create_navdata_tables.php
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@@ -17,21 +17,16 @@ class CreateNavdataTables extends Migration
* See for defs, modify/update based on this
* https://github.com/skiselkov/openfmc/blob/master/airac.h
*/
Schema::create('navpoints', function (Blueprint $table) {
$table->bigIncrements('id');
$table->string('name', 10);
$table->string('title', 25);
$table->string('airway', 7)->nullable();
$table->string('airway_type', 1)->nullable();
$table->bigInteger('seq')->nullable();
$table->string('loc', 4)->nullable();
Schema::create('navdata', function (Blueprint $table) {
$table->string('id', 4);
$table->string('name', 24);
$table->unsignedInteger('type');
$table->float('lat', 7, 4)->default(0.0);
$table->float('lon', 7, 4)->default(0.0);
$table->string('freq', 7);
$table->integer('type');
$table->string('freq', 7)->nullable();
$table->index('id');
$table->index('name');
$table->index('airway');
});
}
@@ -42,6 +37,6 @@ class CreateNavdataTables extends Migration
*/
public function down()
{
Schema::dropIfExists('navpoints');
Schema::dropIfExists('navdata');
}
}

2
app/Models/Airport.php
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@@ -28,7 +28,7 @@ class Airport extends Model
];
protected $casts = [
'id' => 'string',
];
/**

19
app/Models/Enums/Days.php
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@@ -5,16 +5,19 @@
namespace App\Models\Enums;
/**
* Class Days
* @package App\Models\Enums
*/
class Days extends EnumBase {
const MONDAY = 1;
const TUESDAY = 2;
const WEDNESDAY = 4;
const THURSDAY = 8;
const FRIDAY = 16;
const SATURDAY = 32;
const SUNDAY = 64;
const MONDAY = 1 << 0;
const TUESDAY = 1 << 1;
const WEDNESDAY = 1 << 2;
const THURSDAY = 1 << 3;
const FRIDAY = 1 << 4;
const SATURDAY = 1 << 5;
const SUNDAY = 1 << 6;
protected static $labels = [
Days::MONDAY => 'system.days.mon',

45
app/Models/Enums/NavaidType.php Normal file
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<?php
/**
* The types of navaids
*/
namespace App\Models\Enums;
/**
* Class NavaidType
* Types based on/compatible with OpenFMC
* https://github.com/skiselkov/openfmc/blob/master/airac.h
* @package App\Models\Enums
*/
class NavaidType extends EnumBase
{
const VOR = 1 << 0;
const VOR_DME = 1 << 1;
const LOC = 1 << 4;
const LOC_DME = 1 << 5;
const NDB = 1 << 6;
const TACAN = 1 << 7;
const UNKNOWN = 1 << 8;
const INNER_MARKER = 1 << 9;
const OUTER_MARKER = 1 << 10;
const FIX = 1 << 11;
const ANY_VOR = NavaidType::VOR | NavaidType::VOR_DME;
const ANY_LOC = NavaidType::LOC | NavaidType::LOC_DME;
const ANY = (NavaidType::UNKNOWN << 1) - 1;
/**
* Names and titles
* @var array
*/
public static $labels = [
NavaidType::VOR => 'VOR',
NavaidType::VOR_DME => 'VOR DME',
NavaidType::LOC => 'Localizer',
NavaidType::LOC_DME => 'Localizer DME',
NavaidType::NDB => 'Non-directional Beacon',
NavaidType::TACAN => 'TACAN',
NavaidType::UNKNOWN => 'Unknown',
NavaidType::ANY_VOR => 'VOR',
NavaidType::ANY_LOC => 'Localizer',
];
}

26
app/Models/Navdata.php Normal file
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<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class Navdata extends Model
{
public $table = 'navdata';
public $timestamps = false;
public $incrementing = false;
public $fillable = [
'id',
'name',
'type',
'lat',
'lon',
'freq',
];
public $casts = [
'id' => 'string',
'type' => 'integer',
];
}

10
app/Models/Navpoint.php
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@@ -1,10 +0,0 @@
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Navpoint extends Model
{
public $table = 'navpoints';
}

2
storage/navdata/.gitignore vendored Executable file
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@@ -0,0 +1,2 @@
*
!.gitignore