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File: example/CreateFileFromScratch.php

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  Classes of Jakub Dubec  >  PHP GPX Library  >  example/CreateFileFromScratch.php  >  Download  
File: example/CreateFileFromScratch.php
Role: Example script
Content type: text/plain
Description: Example script
Class: PHP GPX Library
Parser and generator of GPS Exchange files
Author: By
Last change: Extend example whit a Waypoint
Extend example whit trackPointExtension
Date: 3 months ago
Size: 3,587 bytes
 

Contents

Class file image Download
<?php
/**
 * @author Jakub Dubec <jakub.dubec@gmail.com>
 */

use phpGPX\Models\GpxFile;
use
phpGPX\Models\Link;
use
phpGPX\Models\Metadata;
use
phpGPX\Models\Point;
use
phpGPX\Models\Segment;
use
phpGPX\Models\Track;
use
phpGPX\Models\Extensions;
use
phpGPX\Models\Extensions\TrackPointExtension;

require_once
'../vendor/autoload.php';

$sample_data = [
    [
       
'longitude' => 9.860624216140083,
       
'latitude' => 54.9328621088893,
       
'elevation' => 0,
       
'aTemp' => 22,
       
'time' => new \DateTime("+ 1 MINUTE")
    ],
    [
       
'latitude' => 54.83293237320851,
       
'longitude' => 9.76092208681491,
       
'elevation' => 10.0,
       
'aTemp' => 23,
       
'time' => new \DateTime("+ 2 MINUTE")
    ],
    [
       
'latitude' => 54.73327743521187,
       
'longitude' => 9.66187816543752,
       
'elevation' => 42.42,
       
'aTemp' => 24,
       
'time' => new \DateTime("+ 3 MINUTE")
    ],
    [
       
'latitude' => 54.63342326167919,
       
'longitude' => 9.562439849679859,
       
'elevation' => 12,
       
'aTemp' => 25,
       
'time' => new \DateTime("+ 4 MINUTE")
    ]
];

// Creating sample link object for metadata
$link = new Link();
$link->href = "https://sibyx.github.io/phpgpx";
$link->text = 'phpGPX Docs';

// GpxFile contains data and handles serialization of objects
$gpx_file = new GpxFile();

// Creating sample Metadata object
$gpx_file->metadata = new Metadata();

// Time attribute is always \DateTime object!
$gpx_file->metadata->time = new \DateTime();

// Description of GPX file
$gpx_file->metadata->description = "My pretty awesome GPX file, created using phpGPX library!";

// Adding link created before to links array of metadata
// Metadata of GPX file can contain more than one link
$gpx_file->metadata->links[] = $link;

// Creating track
$track = new Track();

// Name of track
$track->name = sprintf("Some random points in logical order. Input array should be already ordered!");

// Type of data stored in track
$track->type = 'RUN';

// Source of GPS coordinates
$track->source = sprintf("MySpecificGarminDevice");

// Creating Track segment
$segment = new Segment();


foreach (
$sample_data as $sample_point) {
   
// Creating trackpoint
   
$point = new Point(Point::TRACKPOINT);
   
$point->latitude = $sample_point['latitude'];
   
$point->longitude = $sample_point['longitude'];
   
$point->elevation = $sample_point['elevation'];
   
$point->time = $sample_point['time'];

   
// Creating trackpoint extension
   
$point->extensions = new Extensions();
   
$trackPointExtension = new TrackPointExtension();
   
$trackPointExtension->aTemp = $sample_point['aTemp'];
   
$point->extensions->trackPointExtension = $trackPointExtension;

   
$segment->points[] = $point;
}

// Add segment to segment array of track
$track->segments[] = $segment;

// Add track to file
$gpx_file->tracks[] = $track;

// Create waypoint
$point = new Point(Point::WAYPOINT);
$point->name = 'Example Waypoint';
$point->latitude = $sample_point['latitude'];
$point->longitude = $sample_point['longitude'];
$point->elevation = $sample_point['elevation'];
$point->time = $sample_point['time'];

// Add waypoint to file
$gpx_file->waypoints[] = $point;

// GPX output
$gpx_file->save('CreateFileFromScratchExample.gpx', \phpGPX\phpGPX::XML_FORMAT);

// Serialized data as JSON
$gpx_file->save('CreateFileFromScratchExample.json', \phpGPX\phpGPX::JSON_FORMAT);

// Direct GPX output to browser

header("Content-Type: application/gpx+xml");
header("Content-Disposition: attachment; filename=CreatingFileFromScratchExample.gpx");

echo
$gpx_file->toXML()->saveXML();
exit();