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tmcroads.php
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tmcroads.php
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<?php
include_once('tmcpdo.php');
include_once('tmchtml.php');
$roadlist_status = array('error' => 0, 'missing' => 0, 'ok' => 0, 'link_error' => 0, 'link_missing' => 0, 'link_ok' => 0);
$current_status = array('error' => 0, 'missing' => 0);
// read/write the status of displaying roles
$show_all_roles = (isset($_COOKIE['tmc_show_all_roles']) && $_COOKIE['tmc_show_all_roles']);
if(isset($_GET['showall'])) {
$show_all_roles = (boolean)$_GET['showall'];
setcookie('tmc_show_all_roles', $_GET['showall'], time()+60*60*24*30);
}
function tmc_roadlist()
{
global $current_status;
global $roadlist_status;
$error = false;
$cid = (int)$_REQUEST['cid'];
$tabcd = (int)$_REQUEST['tabcd'];
$lcd = (int)$_REQUEST['lcd'];
if($data = find_location('roads', $cid, $tabcd, $lcd))
{
$is_road = true;
$road = $data;
$segments = find_rs_segments($data);
$psegs = find_road_points($data);
$points = array_reduce($psegs, "array_merge", array());
$opurl = "http://overpass-api.de/api/interpreter?data=" . rawurlencode("((relation[\"type\"=\"tmc:point\"][\"table\"=\"$cid:$tabcd\"][\"road_lcd\"=\"$lcd\"];relation[\"type\"=\"tmc:link\"][\"table\"=\"$cid:$tabcd\"][\"road_lcd\"=\"$lcd\"];);>;);out meta;");
}
else if($data = find_location('segments', $cid, $tabcd, $lcd))
{
if($data && ($data2 = find_location('soffsets', $cid, $tabcd, $lcd)))
$data = array_merge($data, $data2);
$is_road = false;
$road = find_road($data);
$segments = find_rs_segments($road);
$points = find_segment_points($data);
$road_lcd = $road['lcd'];
$opurl = "http://overpass-api.de/api/interpreter?data=" . rawurlencode("((relation[\"type\"=\"tmc:point\"][\"table\"=\"$cid:$tabcd\"][\"seg_lcd\"=\"$lcd\"];relation[\"type\"=\"tmc:link\"][\"table\"=\"$cid:$tabcd\"][\"road_lcd\"=\"$road_lcd\"];);>;);out meta;");
}
else
{
header("HTTP/1.0 404 Not Found");
header("Content-type: text/plain");
die("No data found for cid = $cid, tabcd = $tabcd and lcd = $lcd.");
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $opurl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_TIMEOUT, 45);
$opdata = curl_exec($ch);
if($opdata === false)
{
$opdata = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<osm version=\"0.6\" generator=\"Overpass API\">\n</osm>";
$error = true;
}
curl_close($ch);
$osm = new DOMDocument;
$osm->formatOutput = false;
$osm->loadXML($opdata);
$osmxp = new DOMXPath($osm);
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="tmc.css"/>
<title>TMC road/segment status <?php echo "$cid:$tabcd:$lcd - " . array_desc($data); ?></title>
</head>
<body>
<h1>Status for <?php echo "$cid:$tabcd:$lcd - " . array_desc($data); ?></h1>
<?php
if($error)
{
?>
<div class="error">
Error: No response of overpass-api! Retry later.
</div>
<?php
}
?>
<h3>Road:</h3>
<table>
<?php write_line($road); ?>
</table>
<h3>Segments:</h3>
<table>
<?php write_table($segments); ?>
</table>
<table class="roads" style="margin-bottom: 10em;">
<thead>
<tr>
<th rowspan="2">LCD</th>
<th rowspan="2">OSM</th>
<th rowspan="2">Type</th>
<th rowspan="2">Name</th>
<th rowspan="2">present</th>
<th colspan="10">Roles</th>
</tr>
<tr>
<th>pos</th>
<th>neg</th>
<th>both</th>
<th>entry</th>
<th>exit</th>
<th>ramp</th>
<th>parking</th>
<th>fuel</th>
<th>restaurant</th>
</tr>
</thead>
<tbody>
<?php
foreach($points as $i => $point)
{
$rels_point = get_osm_rels($osmxp, $cid, $tabcd, $point['lcd']);
if($point['presentpos'] && !$point['presentneg'])
$point['present'] = 'positive';
else if($point['presentneg'] && !$point['presentpos'])
$point['present'] = 'negative';
else
$point['present'] = '';
// Data for this Point
$current_status = array('error' => 0, 'missing' => 0);
echo "<tr>";
write_main_data($point, $rels_point);
write_relation_data($point, $rels_point);
echo "</tr>";
if($current_status['error'])
$roadlist_status['error']++;
else if($current_status['missing'])
$roadlist_status['missing']++;
else
$roadlist_status['ok']++;
// Data for links to next Point
// Ignore last point of segments
if($point['pos_off_lcd'] && ($is_road || $i+1 < count($points)))
{
$rels_link = get_link_rels($osmxp, $cid, $tabcd, $point['lcd'], $point['pos_off_lcd']);
$current_status = array('error' => 0, 'missing' => 0);
echo "<tr>";
write_link_data($point, $rels_link);
echo "</tr>";
if($current_status['error'])
$roadlist_status['link_error']++;
else if($current_status['missing'])
$roadlist_status['link_missing']++;
else
$roadlist_status['link_ok']++;
}
}
?>
</thead>
<tfoot>
<tr>
<td colspan="14"><?php write_relation_status($data); ?></td>
</tr>
</tfoot>
</table>
<div style="position:fixed;bottom:0px;width:100%;clear:both;background-color:white;">
<table class="roads" style="width:100%">
<tr>
<td colspan="12">
<h3>Status:</h3>
</td>
</tr>
<tr>
<td colspan="6">
Points:<br/>
OK: <?php echo (int)$roadlist_status['ok']; ?> <br/>
Missing elements: <?php echo (int)$roadlist_status['missing']; ?> <br/>
No Relation: <?php echo (int)$roadlist_status['error']; ?>
</td>
<td colspan="6">
Links:<br/>
OK: <?php echo (int)$roadlist_status['link_ok']; ?> <br/>
Missing elements: <?php echo (int)$roadlist_status['link_missing']; ?> <br/>
No Relation: <?php echo (int)$roadlist_status['link_error']; ?>
</td>
</table>
</div>
</body>
</html>
<?php
}
function write_link_data($point, $rels_link)
{
global $current_status;
global $show_all_roles;
echo "<td/>";
$links = get_osm_html_links(get_osm_ids($rels_link));
if($links)
echo "<td>".$links."</td>";
else {
$current_status['error'] = true;
echo "<td class=\"missing\"> </td>";
}
echo "<td/>";
echo "<td>Link</td>";
echo "<td/>";
$first = array_shift($rels_link);
if($links || $show_all_roles)
{
echo get_role_field($first, "positive");
echo get_role_field($first, "negative");
echo get_role_field($first, "both");
echo "<td colspan=\"6\"/>";
} else
echo "<td colspan=\"9\"/>";
}
function write_main_data($point, $rels_point)
{
global $current_status;
echo "<td><a href=\"tmcview.php?cid=" . $point['cid'] . "&tabcd=" . $point['tabcd'] . "&lcd=" . $point['lcd'] . "\">".$point['lcd']."</a></td>";
$links = get_osm_html_links(get_osm_ids($rels_point));
if($links)
echo "<td>".$links."</td>";
else {
echo "<td class=\"missing\"> </td>";
$current_status['error'] = true;
}
echo "<td>".get_html_type($point)."</td>";
echo "<td>".array_desc($point)."</td>";
echo "<td>".$point['present']."</td>";
}
function write_relation_data($point, $rels_point)
{
global $show_all_roles;
if(!count($rels_point) && !$show_all_roles)
return;
$first = array_shift($rels_point);
echo get_role_field($first, "positive");
echo get_role_field($first, "negative");
echo get_role_field($first, "both");
echo get_role_desc($first, "entry", get_role_requirement("entry", $point));
echo get_role_desc($first, "exit", get_role_requirement("exit", $point));
echo get_role_desc($first, "ramp", get_role_requirement("ramp", $point));
echo get_role_desc($first, "parking", get_role_requirement("parking", $point));
echo get_role_desc($first, "fuel", get_role_requirement("fuel", $point));
echo get_role_desc($first, "restaurant", get_role_requirement("restaurant", $point));
}
/**
* This function writes the link to change the display-option for the roles.
* You can activate or deactivate the status for the roles of links or points
* without an existing relation. If it is activate it can help to find out
* which roles you have to map in the new realtion.
*/
function write_relation_status($point)
{
global $show_all_roles;
if($show_all_roles)
// activated
$text = "deactivate all roles.";
else
// deactivated
$text = "activate all roles.";
echo "<a href=\"tmcroads.php?cid=" . $point['cid'] . "&tabcd=" . $point['tabcd'] . "&lcd=" . $point['lcd'] . "&showall=".(int)!$show_all_roles."\">$text</a>";
}
function get_osm_html_links($ids)
{
$links = array();
foreach($ids as $id)
$links[] = "<a href=\"http://www.openstreetmap.org/browse/relation/$id\">$id</a>";
return implode (", " , $links);
}
function get_osm_ids($rels)
{
$ids = array_keys($rels);
return $ids;
}
function get_html_type($point)
{
return "<span title=\"".find_type($point)."\">".$point['class'].".".$point['tcd'].".".$point['stcd']."</span>";
}
function get_osm_rels($osmxp,$cid,$tabcd,$lcd)
{
$osmrels = $osmxp->query("/osm/relation[tag[@k='type'][@v='tmc:point']][tag[@k='table'][@v='$cid:$tabcd']][tag[@k='lcd'][@v='$lcd']]");
$keys = array();
$rels = array();
foreach($osmrels as $osmrel)
{
$rel = array();
$osmtags = $osmxp->query("tag", $osmrel);
foreach($osmtags as $osmtag)
$rel[$osmtag->getAttribute('k')] = $osmtag->getAttribute('v');
$rel['member'] = array();
$osmmembers = $osmxp->query("member", $osmrel);
foreach($osmmembers as $member)
$rel['member'][] = array('role'=>$member->getAttribute('role'),'type'=>$member->getAttribute('type'),'id'=>$member->getAttribute('ref'));
$rels[$osmrel->getAttribute('id')] = $rel;
$keys = array_merge($keys, array_keys($rel));
}
return $rels;
}
function get_link_rels($osmxp,$cid,$tabcd,$neg_lcd,$pos_lcd)
{
$osmrels = $osmxp->query("/osm/relation[tag[@k='type'][@v='tmc:link']][tag[@k='table'][@v='$cid:$tabcd']][tag[@k='neg_lcd'][@v='$neg_lcd']][tag[@k='pos_lcd'][@v='$pos_lcd']]");
$keys = array();
$rels = array();
foreach($osmrels as $osmrel)
{
$rel = array();
$osmtags = $osmxp->query("tag", $osmrel);
foreach($osmtags as $osmtag)
$rel[$osmtag->getAttribute('k')] = $osmtag->getAttribute('v');
$rel['member'] = array();
$osmmembers = $osmxp->query("member", $osmrel);
foreach($osmmembers as $member)
$rel['member'][] = array('role'=>$member->getAttribute('role'),'type'=>$member->getAttribute('type'),'id'=>$member->getAttribute('ref'));
$rels[$osmrel->getAttribute('id')] = $rel;
$keys = array_merge($keys, array_keys($rel));
}
return $rels;
}
function get_role_field($rel, $role)
{
global $current_status;
$roles = get_roles($rel, $role);
if($roles>0)
return "<td class=\"correct\">found</td>";
else {
$sum = get_roles($rel, "positive") + get_roles($rel, "negative") + get_roles($rel, "both");
if($sum == 0){
if($role === "positive") {
$current_status['missing'] = true;
return "<td class=\"missing\" colspan=\"3\">missing</td>";
}
} else if($role != "both" && !get_roles($rel, "both")){
$current_status['missing'] = true;
return "<td class=\"ugly\">missing?</td>";
} else
return "<td/>";
}
}
// require: false, both, positive, negative
function get_role_desc($rel, $role, $require=false)
{
global $current_status;
$rolesP = get_roles($rel, "positive:".$role);
$rolesN = get_roles($rel, "negative:".$role);
$rolesB = get_roles($rel, "both:".$role);
$both = $rolesB + ($rolesP * $rolesN);
$class = $text = "";
if($both)
{
// present in both directions
$class = "correct";
$text = "found";
if($require === "negative")
{
$class = "ugly";
$text .= ", neg not needed";
}
if($require === "positive")
{
$class = "ugly";
$text .= ", pos not needed";
}
}
else if($rolesP && !$rolesN)
{
// Only positive
$class = "correct";
$text = "pos only";
if($require === "negative")
{
$class = "ugly";
$text .= ", not needed";
}
if($require === "negative" || $require === "both" || $require === true)
{
$class = "missing";
$text .= ", neg missing";
}
}
else if($rolesN && !$rolesP)
{
// Only negative
$class = "correct";
$text = "neg only";
if($require === "positive")
{
$class = "ugly";
$text .= ", not needed";
}
if($require === "positive" || $require === "both" || $require === true)
{
$class = "missing";
$text .= ", pos missing";
}
}
else if($require)
$class = $text = "missing";
if($class != "correct" && $class != "")
$current_status['missing'] = true;
return "<td class=\"$class\">$text</td>";
}
function get_roles($rel, $role)
{
$count = 0;
if(substr($role,0,4) === "both")
$count += get_roles($rel, substr($role,4));
if(isset($rel['member']))
foreach($rel['member'] as $member)
if(trim($member['role']) == trim($role))
$count++;
return $count;
}
$role_req = array(
'P.1.1' => array('exit','entry'), // AK
'P.1.2' => array('exit','entry'), // AD
'P.1.3' => array('exit','entry'), // AS
'P.1.4' => array('exit'), // Ausfahrt
'P.1.5' => array('entry'), // Einfahrt
'P.3.1' => array(), // Tunnel
'P.3.2' => array(), // Brücke
'P.3.3' => array('parking','fuel','restaurant'), // Raststätte
'P.3.4' => array('parking'), // Rastplatz
'P.3.7' => array('parking'), // park and ride
'P.3.8' => array('parking'), // Parkplatz
'P.3.9' => array('parking'), // Parkplatz + Kiosk
'P.3.10' => array('parking'), // Parkplatz + Kiosk + WC
'P.3.11' => array('parking','fuel'), // Tankstelle
'P.3.12' => array('parking','fuel'), // Tankstelle + Kiosk
'P.3.21' => array('parking'), // Parkhaus
'P.3.22' => array('parking'), // Tiefgarage
);
function get_role_requirement($role, $point)
{
global $role_req;
$type = $point['class'].".".$point['tcd'].".".$point['stcd'];
$req = isset($role_req[$type]) && in_array($role, $role_req[$type]);
if($req && $point['present'])
// Only for one direction
$req = $point['present'];
if($req)
// Check exit + entry direction if required
if($role === 'exit')
{
if($point['outpos'] && $point['outneg'])
$req = true;
else if($point['outpos'])
$req = 'positive';
else if($point['outneg'])
$req = 'negative';
else
$req = false;
}
else if($role === 'entry')
{
if($point['inpos'] && $point['inneg'])
$req = true;
else if($point['inpos'])
$req = 'positive';
else if($point['inneg'])
$req = 'negative';
else
$req = false;
}
return $req;
}
tmc_roadlist();
?>