<?php
if (version_compare(PHP_VERSION, '5.6.0') <= 0) {
die('This example requires at least PHP version 5.6.0' . PHP_EOL . ' but you are only running version ' . PHP_VERSION . PHP_EOL);
}
include __DIR__ . '/classes/Bootstrap.php';
include __DIR__ . '/functions/filter.php';
// Create our initial Generator to read the gpx file
$gpxFilename = __DIR__ . '/data/Roman_2015-11-23.gpx';
$gpxReader = new GpxReader\GpxHandler($gpxFilename);
// Define the date/time filter parameters
$startTime = new DateTime('2015-11-23 13:20:00Z');
$endTime = new DateTime('2015-11-23 13:30:00Z');
// Create the filter callback with the date/time parameters we've just defined
$timeFilter = function ($timestamp) use($startTime, $endTime) {
return $timestamp >= $startTime && $timestamp <= $endTime;
};
// Iterate over the trackpoint set from the gpx file, displaying each point detail in turn
foreach (filter($gpxReader->getElements('trkpt'), $timeFilter, ARRAY_FILTER_USE_KEY) as $time => $element) {
printf('%s' . PHP_EOL . ' latitude: %7.4f longitude: %7.4f elevation: %d' . PHP_EOL, $time->format('Y-m-d H:i:s'), $element->position->latitude, $element->position->longitude, $element->elevation);
}
<?php
if (version_compare(PHP_VERSION, '5.5.0') <= 0) {
die('This example requires at least PHP version 5.5.0' . PHP_EOL . ' but you are only running version ' . PHP_VERSION . PHP_EOL);
}
include __DIR__ . '/classes/Bootstrap.php';
include __DIR__ . '/functions/map.php';
include __DIR__ . '/functions/column.php';
// Create our initial Generator to read the gpx file
$gpxFilename = __DIR__ . '/data/Roman_2015-11-23.gpx';
$gpxReader = new GpxReader\GpxHandler($gpxFilename);
// Set the mapper to calculate the distance between a trackpoint and the previous trackpoint
$distanceCalculator = new GpxReader\Helpers\DistanceCalculator();
// Iterate over the trackpoint set from the gpx file, mapping the distance and extracting only that property to display
foreach (column(map([$distanceCalculator, 'setDistance'], $gpxReader->getElements('trkpt')), 'distance') as $key => $value) {
printf('%d => %5.2f' . PHP_EOL, $key, $value);
}
<?php
if (version_compare(PHP_VERSION, '5.5.0') <= 0) {
die('This example requires at least PHP version 5.5.0' . PHP_EOL . ' but you are only running version ' . PHP_VERSION . PHP_EOL);
}
include __DIR__ . '/classes/Bootstrap.php';
include __DIR__ . '/functions/map.php';
include __DIR__ . '/functions/reduce.php';
// Create our initial Generator to read the gpx file
$gpxFilename = __DIR__ . '/data/Roman_2015-11-23.gpx';
$gpxReader = new GpxReader\GpxHandler($gpxFilename);
// Set the mapper to calculate the distance between a trackpoint and the previous trackpoint
$distanceCalculator = new GpxReader\Helpers\DistanceCalculator();
// Reduce our trackpoint set from the gpx file (mapping the distance as we go) and summing the results to calculate the total distance travelled
$totalDistance = reduce(map([$distanceCalculator, 'setDistance'], $gpxReader->getElements('trkpt')), function ($runningTotal, $value) {
$runningTotal += $value->distance;
return $runningTotal;
}, 0.0);
// Display the results of our reduce
printf('Total distance travelled is %5.2f km' . PHP_EOL, $totalDistance / 1000);
<?php
if (version_compare(PHP_VERSION, '5.5.0') <= 0) {
die('This example requires at least PHP version 5.5.0' . PHP_EOL . ' but you are only running version ' . PHP_VERSION . PHP_EOL);
}
include __DIR__ . '/classes/Bootstrap.php';
include __DIR__ . '/functions/withGenerator.php';
// Create our initial Generator to read the gpx file
$gpxFilename = __DIR__ . '/data/Roman_2015-11-23.gpx';
$gpxReader = new \GpxReader\GpxHandler($gpxFilename);
$trackPoints = $gpxReader->getElements('trkpt');
// Create a bounding box defining the coordinates we want to test each point against
// This bounding box is for inside the house/garden
$boundaries = new \GpxReader\Helpers\BoundingBox();
$boundaries->setLatitudes(53.54382, 53.5434);
$boundaries->setLongitudes(-2.74059, -2.74005);
// We want to set the filter to include only points inside the bounding box
$boundingBoxFilter = [$boundaries, 'inside'];
// Define the date/time filter parameters
$startTime = new \DateTime('2015-11-23 12:00:00Z');
$endTime = new \DateTime('2015-11-23 12:20:00Z');
// Create the filter callback with the date/time parameters we've just defined
$timeFilter = function ($timestamp) use($startTime, $endTime) {
return $timestamp >= $startTime && $timestamp <= $endTime;
};
// Set the mapper to calculate the distance between a trackpoint and the previous trackpoint
$distanceCalculator = new \GpxReader\Helpers\DistanceCalculator();
// We'll use a callback for the display as well
$display = function ($time, $element) {
printf('%s' . PHP_EOL . ' latitude: %7.4f longitude: %7.4f elevation: %d' . PHP_EOL . ' distance from previous point: %5.2f m' . PHP_EOL, $time->format('Y-m-d H:i:s'), $element->position->latitude, $element->position->longitude, $element->elevation, $element->distance);
};
<?php
if (version_compare(PHP_VERSION, '5.5.0') <= 0) {
die('This example requires at least PHP version 5.5.0' . PHP_EOL . ' but you are only running version ' . PHP_VERSION . PHP_EOL);
}
include __DIR__ . '/classes/Bootstrap.php';
// Create our initial Generator to read the gpx file
$gpxFilename = __DIR__ . '/data/Roman_2015-11-23.gpx';
$gpxReader = new GpxReader\GpxHandler($gpxFilename);
// Iterate over the trackpoint set from the gpx file, displaying each point detail in turn
foreach ($gpxReader->getElements('trkpt') as $time => $element) {
printf('%s' . PHP_EOL . ' latitude: %7.4f longitude: %7.4f elevation: %d' . PHP_EOL, $time->format('Y-m-d H:i:s'), $element->position->latitude, $element->position->longitude, $element->elevation);
}
<?php
if (version_compare(PHP_VERSION, '5.5.0') <= 0) {
die('This example requires at least PHP version 5.5.0' . PHP_EOL . ' but you are only running version ' . PHP_VERSION . PHP_EOL);
}
include __DIR__ . '/classes/Bootstrap.php';
include __DIR__ . '/functions/filter55.php';
// Create our initial Generator to read the gpx file
$gpxFilename = __DIR__ . '/data/Roman_2015-11-23.gpx';
$gpxReader = new GpxReader\GpxHandler($gpxFilename);
// Create a bounding box defining the coordinates we want to test each point against
$boundaries = new GpxReader\Helpers\BoundingBox();
$boundaries->setLatitudes(53.54382, 53.5434);
$boundaries->setLongitudes(-2.74059, -2.74005);
// We want to set the filter to include only points inside the bounding box
$boundingBoxFilter = [$boundaries, 'inside'];
// Iterate over the trackpoint set from the gpx file, displaying each point detail in turn
foreach (filter($gpxReader->getElements('trkpt'), $boundingBoxFilter) as $time => $element) {
printf('%s' . PHP_EOL . ' latitude: %7.4f longitude: %7.4f elevation: %d' . PHP_EOL, $time->format('Y-m-d H:i:s'), $element->position->latitude, $element->position->longitude, $element->elevation);
}
<?php
if (version_compare(PHP_VERSION, '5.5.0') <= 0) {
die('This example requires at least PHP version 5.5.0' . PHP_EOL . ' but you are only running version ' . PHP_VERSION . PHP_EOL);
}
include __DIR__ . '/classes/Bootstrap.php';
include __DIR__ . '/functions/reduce.php';
// Create our initial Generator to read the gpx file
$gpxFilename = __DIR__ . '/data/Roman_2015-11-23.gpx';
$gpxReader = new GpxReader\GpxHandler($gpxFilename);
// Set our bounding box callback
$boundaries = new GpxReader\Helpers\BoundingBox();
// Reduce our trackpoint set from the gpx file against the bounding box callback
$boundingBox = reduce($gpxReader->getElements('trkpt'), [$boundaries, 'calculate']);
// Display the results of our reduce
echo 'Bounding box co-ordinates:', PHP_EOL;
printf('Top: %7.4f Bottom: %7.4f' . PHP_EOL . 'Left: %7.4f Right: %7.4f' . PHP_EOL, $boundingBox->top, $boundingBox->bottom, $boundingBox->left, $boundingBox->right);
<?php
if (version_compare(PHP_VERSION, '5.5.0') <= 0) {
die('This example requires at least PHP version 5.5.0' . PHP_EOL . ' but you are only running version ' . PHP_VERSION . PHP_EOL);
}
include __DIR__ . '/classes/Bootstrap.php';
include __DIR__ . '/functions/map.php';
// Create our initial Generator to read the gpx file
$gpxFilename = __DIR__ . '/data/Roman_2015-11-23.gpx';
$gpxReader = new GpxReader\GpxHandler($gpxFilename);
// Set the mapper to calculate the distance between a trackpoint and the previous trackpoint
$distanceCalculator = new GpxReader\Helpers\DistanceCalculator();
// Iterate over the trackpoint set from the gpx file, mapping the distances as we go, displaying each point detail in turn
foreach (map([$distanceCalculator, 'setDistance'], $gpxReader->getElements('trkpt')) as $time => $element) {
printf('%s' . PHP_EOL . ' latitude: %7.4f longitude: %7.4f elevation: %d' . PHP_EOL . ' distance from previous point: %5.2f m' . PHP_EOL, $time->format('Y-m-d H:i:s'), $element->position->latitude, $element->position->longitude, $element->elevation, $element->distance);
}
