function display($tpl = null)
{
$app = JFactory::getApplication();
$params = $app->getParams();
$dispatcher = JDispatcher::getInstance();
$model = $this->getModel('walkdetails');
$controller = JControllerLegacy::getInstance('SWG_WalkLibrary');
// Get some data from the models
$state = $this->get('State');
$this->walk = $this->get('Walk');
$this->walkInstances = $this->walk->getInstances();
// Get some permissions info
$this->canAdd = $controller->canAdd();
$this->canEdit = $controller->canEdit($this->walk);
// Check for errors.
if (count($errors = $this->get('Errors'))) {
JError::raiseError(500, implode('<br />', $errors));
return false;
}
// Load the map JS
$document = JFactory::getDocument();
JHtml::_('behavior.framework', true);
$document->addScript('/libraries/openlayers/OpenLayers.js');
$document->addScript('/swg/js/maps.js');
$start = new Waypoint();
$start->osRef = getOSRefFromSixFigureReference($this->walk->startGridRef);
$end = new Waypoint();
$end->osRef = getOSRefFromSixFigureReference($this->walk->endGridRef);
// Create the map
$document->addScriptDeclaration(<<<MAP
window.addEvent("domready", function() {
\tvar map = new SWGMap('map');
\tvar walk = map.addWalk({$this->walk->id});
\tmap.addLoadedHandler(function()
\t{
\t\tvar route = new Route();
\t\troute.load("walk", walk.id, 10, walk);
\t\t//walk.loadRoute(map); // TODO: Should only load the most specific Route. Implement in other mapping pages. Detach route loading logic from walk object.
\t});
});
MAP
);
// Display the view
parent::display($tpl);
}
</p>
<h2>Convert Six-Figure OS Grid Reference String to an OSRef Object</h2>
<p>
To convert a string representing a six-figure OSGB grid reference:
<pre>$os6 = "TG514131";
echo "Six figure string: " . $os6 . "<br />";
$os6x = getOSRefFromSixFigureReference($os6);
echo "Converted to OS Grid Ref: " . $os6x->toString() . " - " . $os6x->toSixFigureString();</pre>
<?php
$os6 = "TG514131";
echo "Six figure string: " . $os6 . "<br />";
$os6x = getOSRefFromSixFigureReference($os6);
echo "Converted to OS Grid Ref: " . $os6x->toString() . " - " . $os6x->toSixFigureString();
?>
</p>
<h2>Convert UTM Reference to Latitude/Longitude</h2>
<p>
<pre>$utm1 = new UTMRef(456463.99, 3335334.05, "E", 12);
echo "UTM Reference: " . $utm1->toString() . "<br />";
$ll3 = $utm1->toLatLng();
echo "Converted to Lat/Long: " . $ll3->toString();</pre>
<?php
$utm1 = new UTMRef(456463.99, 3335334.05, "E", 12);
echo "UTM Reference: " . $utm1->toString() . "<br />";
function display($tpl = null)
{
$app = JFactory::getApplication();
$params = $app->getParams();
$dispatcher = JDispatcher::getInstance();
$model = $this->getModel('uploadtrack');
// Get some data from the models
$state = $this->get('State');
$this->wi = $this->get('WalkInstance');
$this->form = $this->get('Form');
// Has the user uploaded a track to preview?
$this->track = $this->get('CachedTrack');
$this->gotTrack = !empty($this->track);
$document = JFactory::getDocument();
JHtml::_('behavior.framework', true);
$document->addScript('swg/js/common.js');
// Prepare any error messages
// TODO: Find how Joomla handles error messages (and make them look nicer) - maybe just throw exceptions out and have an exception handler that displays a popup
$errors = $this->getErrors();
$errJS = "";
if (!empty($errors)) {
$errJS = "Popup('Could not upload track', " . implode("<br />", $errors) . ");";
$document->addScriptDeclaration(<<<ERR
window.addEvent("domready", function() {
\t{$errJS}
});
ERR
);
}
// Do we know what walk we're working on?
if (isset($this->wi)) {
if ($this->gotTrack) {
$this->track->setWalk($this->wi);
$this->wi->setTrack($this->track);
}
// Load the map JS
$document->addScript('libraries/openlayers/OpenLayers.js');
$document->addScript('swg/js/maps.js');
$start = new Waypoint();
$start->osRef = getOSRefFromSixFigureReference($this->wi->startGridRef);
$end = new Waypoint();
$end->osRef = getOSRefFromSixFigureReference($this->wi->endGridRef);
// Create the map
if ($this->gotTrack) {
$trackJSON = $this->track->jsonEncode();
$trackJS = "var route = new Route(wi);\nroute.read(" . $this->track->jsonEncode() . ");\nmap.loadedRoute(route,wi);\n";
} else {
$trackJS = "";
}
$document->addScriptDeclaration(<<<MAP
window.addEvent("domready", function() {
var map = new SWGMap('map');
\tvar wi = map.addWalkInstance({$this->wi->id});
\tmap.addLoadedHandler(function(){
\t\t{$trackJS}
\t\tmap.zoomToFit();
\t});
});
MAP
);
}
// Display the view
parent::display($tpl);
}
public function __set($name, $value)
{
switch ($name) {
// Strings - just save them (TODO: Safety checks?)
case "startPlaceName":
case "endPlaceName":
$this->{$name} = $value;
break;
// Integer
// Integer
case "headCount":
case "distance":
$this->{$name} = (int) $value;
break;
// Booleans
// Booleans
case "isLinear":
case "dogFriendly":
case "childFriendly":
case "speedy":
case "challenge":
$this->{$name} = (bool) $value;
break;
// More specific processing
// More specific processing
case "distanceGrade":
$value = strtoupper($value);
if (empty($value)) {
$this->{$name} = null;
} else {
if ($value == "A" || $value == "B" || $value == "C") {
$this->{$name} = $value;
} else {
throw new UnexpectedValueException("Distance grade must be A, B or C");
}
}
break;
case "difficultyGrade":
$value = (int) $value;
if (empty($value)) {
$this->{$name} = null;
} else {
if ($value == 1 || $value == 2 || $value == 3) {
$this->{$name} = $value;
} else {
throw new UnexpectedValueException("Difficulty grade must be 1, 2 or 3");
}
}
break;
case "miles":
$value = (double) $value;
if ($value >= 0) {
$this->{$name} = $value;
$this->distanceGrade = $this->getDistanceGrade($value);
} else {
throw new UnexpectedValueException("Distance must be positive");
}
// TODO: Validate >0 when saving
break;
// Grid references - start with two letters, then an even number of digits - at least 6
// Grid references - start with two letters, then an even number of digits - at least 6
case "startGridRef":
case "endGridRef":
$value = strtoupper(str_replace(" ", "", $value));
if (empty($value)) {
$this->{$name} = null;
if ($name == "startGridRef") {
$this->startLatLng = null;
} else {
$this->endLatLng = null;
}
} else {
if (preg_match("/[A-Z][A-Z]([0-9][0-9]){3,}/", $value)) {
$this->{$name} = $value;
// Also set the lat/lng
$osRef = getOSRefFromSixFigureReference($value);
$latLng = $osRef->toLatLng();
$latLng->OSGB36ToWGS84();
if ($name == "startGridRef") {
$this->startLatLng = $latLng;
} else {
$this->endLatLng = $latLng;
}
} else {
throw new UnexpectedValueException("Grid references must be at least 6-figures, with the grid square letters before (e.g. SK123456)");
}
}
break;
// Connected objects
// Connected objects
case "leader":
case "leaderId":
if (empty($value)) {
$this->leader = null;
$this->leaderId = null;
} else {
if ($value instanceof Leader) {
$this->leader = $value;
$this->leaderId = $value->id;
} else {
if (is_int($value) || ctype_digit($value)) {
$this->leaderId = (int) $value;
$this->leader = null;
// Will be loaded when needed
} else {
throw new UnexpectedValueException("Leader or Leader ID must be a Leader or an integer");
}
}
}
break;
case "backmarker":
case "backmarkerId":
if (empty($value)) {
$this->backmarker = null;
$this->backmarkerId = null;
}
if ($value instanceof Leader) {
$this->backmarker = $value;
$this->backmarkerId = $value->id;
} else {
if (is_int($value) || ctype_digit($value)) {
$this->backmarkerId = (int) $value;
$this->backmarker = null;
// Will be loaded when needed
} else {
throw new UnexpectedValueException("Backmarker or backmarker ID must be a Leader or an integer");
}
}
break;
case "meetPoint":
case "meetPointId":
if (empty($value)) {
$this->meetPoint = null;
$this->meetPointId = null;
} elseif ($value instanceof WalkMeetingPoint) {
$this->meetPoint = $value;
$this->meetPointId = $value->id;
} else {
if (is_int($value) || ctype_digit($value)) {
$this->meetPointId = (int) $value;
$this->meetPoint = null;
} else {
throw new UnexpectedValueException("Meetpoint or MeetPointID must be a WalkMeetingPoint or an integer");
}
}
if (isset($this->meetPoint) && !empty($this->meetPlaceTime)) {
$this->meetPoint->setExtra($this->meetPlaceTime);
}
break;
case "walkid":
$this->walkid = (int) $value;
break;
case "meetPlaceTime":
$this->meetPlaceTime = $value;
if (isset($this->meetPoint)) {
$this->meetPoint->setExtra($value);
}
break;
// Checks TODO
// Checks TODO
case "location":
case "suggestedBy":
case "status":
case "specialTBC":
$this->{$name} = $value;
break;
case "routeVisibility":
$this->{$name} = (int) $value;
break;
default:
// All others - fall through to Event
parent::__set($name, $value);
}
}
public function __set($name, $value)
{
switch ($name) {
// Strings - just save them (TODO: Safety checks?)
case "name":
case "startPlaceName":
case "endPlaceName":
case "description":
case "information":
$this->{$name} = $value;
break;
// Booleans
// Booleans
case "isLinear":
case "dogFriendly":
case "transportByCar":
case "transportPublic":
case "childFriendly":
$this->{$name} = (bool) $value;
break;
// More specific processing
// More specific processing
case "distanceGrade":
$value = strtoupper($value);
if ($value == "A" || $value == "B" || $value == "C") {
$this->{$name} = $value;
} else {
if (!empty($value)) {
throw new UnexpectedValueException("Distance grade must be A, B or C");
}
}
break;
case "difficultyGrade":
$value = (int) $value;
if ($value == 1 || $value == 2 || $value == 3) {
$this->{$name} = $value;
} else {
if (!empty($value)) {
throw new UnexpectedValueException("Difficulty grade must be 1, 2 or 3");
}
}
break;
case "miles":
$value = (double) $value;
if ($value >= 0) {
$this->{$name} = $value;
$this->distanceGrade = $this->getDistanceGrade($value);
} else {
throw new UnexpectedValueException("Distance must be positive");
}
// TODO: Validate >0 when saving
break;
// Grid references - start with two letters, then an even number of digits - at least 6
// Grid references - start with two letters, then an even number of digits - at least 6
case "startGridRef":
case "endGridRef":
$value = str_replace(" ", "", $value);
if (empty($value)) {
break;
}
if (preg_match("/[A-Z][A-Z]([0-9][0-9]){3,}/", $value)) {
$this->{$name} = $value;
// Also set the lat/lng
$osRef = getOSRefFromSixFigureReference($value);
$latLng = $osRef->toLatLng();
$latLng->OSGB36ToWGS84();
if ($name == "startGridRef") {
$this->startLatLng = $latLng;
} else {
$this->endLatLng = $latLng;
}
} else {
throw new UnexpectedValueException("Grid references must be at least 6-figures, with the grid square letters before (e.g. SK123456)");
}
break;
// Checks TODO
// Checks TODO
case "location":
case "fileLinks":
case "routeImage":
case "suggestedBy":
case "status":
case "specialTBC":
$this->{$name} = $value;
break;
case "routeVisibility":
$this->{$name} = (int) $value;
}
}
<?php
// This relies on phpcoord, which can be downloaded from
// http://www.jstott.me.uk/phpcoord/
include '/var/www/qs/phpcoord-2.3.php';
$r = scandir("/home/nick/vmd/tiles");
foreach ($r as $file) {
if ($file != "." && $file != "..") {
$gr = getOSRefFromSixFigureReference(substr($file, 0, 2) . $file[2] . "00" . $file[3] . "00");
$e = $gr->easting / 1000;
$n = $gr->northing / 1000;
$im = ImageCreateFromPNG("/home/nick/vmd/tiles/{$file}");
for ($x = 0; $x < 10; $x++) {
for ($y = 0; $y < 10; $y++) {
$e_km = $e + $x;
$n_km = $n + $y;
$im2 = ImageCreateTrueColor(400, 400);
ImageCopy($im2, $im, 0, 0, $x * 400, (9 - $y) * 400, 400, 400);
if (!file_exists("tilesout/{$e_km}")) {
mkdir("tilesout/{$e_km}", 0755);
}
$file_out = "tilesout/{$e_km}/{$n_km}.png";
echo "{$file_out}\n";
ImagePNG($im2, $file_out);
ImageDestroy($im2);
}
}
ImageDestroy($im);
}
}
header("Content-type: application/json");
$scopeSheffield = 1;
$scopeGeneralArea = 2;
if (!empty($_GET['lat']) && !empty($_GET['lon']) || !empty($_GET['east']) && !empty($_GET['north']) || !empty($_GET['gridref'])) {
$wp = new Waypoint();
if (!empty($_GET['lat']) && !empty($_GET['lon'])) {
$wp->latLng = new LatLng((double) $_GET['lat'], (double) $_GET['lon']);
} else {
if (!empty($_GET['east']) && !empty($_GET['north'])) {
$osRef = new OSRef((int) $_GET['east'], (int) $_GET['north']);
$latLng = $osRef->toLatLng();
$latLng->OSGB36ToWGS84();
$wp->latLng = $latLng;
} else {
if (!empty($_GET['gridref'])) {
$osRef = getOSRefFromSixFigureReference($_GET['gridref']);
$latLng = $osRef->toLatLng();
$latLng->OSGB36ToWGS84();
$wp->latLng = $latLng;
}
}
}
// Now do a reverse geocode & return the result
$placeName = $wp->reverseGeocode();
echo json_encode($placeName);
} else {
if (!empty($_GET['postcode']) || !empty($_GET['search'])) {
$options = array("format=json", "accept-language=en-gb,en", "countrycodes=gb");
// if (!empty($_GET['scope']))
// {
// if ($_GET['scope'] == $scopeSheffield)
