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Add and Remove operations for between stops
Add and Remove operations for between stops

file:b/betweenpoint.add.php (new)
  <?php
  /*
  * GeoPo Encode in PHP
  * @author : Shintaro Inagaki
  * @param $location (Array)
  * @return $geopo (String)
  */
  function geopoEncode($lat, $lng)
  {
  // 64characters (number + big and small letter + hyphen + underscore)
  $chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
 
  $geopo = "";
  $scale = 7;
 
  // Change a degree measure to a decimal number
  $lat = ($lat + 90) / 180 * pow(8, 10);
  $lng = ($lng + 180) / 360 * pow(8, 10);
  // Compute a GeoPo code from head and concatenate
  for ($i = 0; $i < $scale; $i++) {
  $geopo .= substr($chars, floor($lat / pow(8, 9 - $i) % 8) + floor($lng / pow(8, 9 - $i) % 8) * 8, 1);
  }
  return $geopo;
  }
 
 
  $conn = pg_connect("dbname=bus user=postgres password=snmc");
  if (!$conn) {
  echo "An error occured.\n";
  exit;
  }
  if ($_REQUEST['newlatlng']) {
  $latlng = explode(";", $_REQUEST['newlatlng']);
  $lat = (float)$latlng[0];
  $lng = (float)$latlng[1];
 
  $geoPo = geopoEncode($lat, $lng);
  $nodelat = (int)($lat * 10000000);
  $nodelon = (int)($lng * 10000000);
  echo($nodelat . "," . $nodelon . "=$geoPo<br>");
  $sql = "INSERT INTO stops (geohash,lat,lng) VALUES ('$geoPo', '$nodelat', '$nodelon')";
  $result = pg_query($conn, $sql);
  if (!$result) {
  echo("Error in SQL query: " . pg_last_error() . "<br>\n");
  } else {
  echo "Inserted new point at $geoPo <br>";
  }
  }
  flush();
  ?>
file:b/betweenpoint.delete.php (new)
  <?php
 
  $conn = pg_connect("dbname=bus user=postgres password=snmc");
  if (!$conn) {
  echo "An error occured.\n";
  exit;
  }
  if ($_REQUEST['oldgeopo']) {
 
  $sql = " DELETE from stops WHERE geohash = '{$_REQUEST['oldgeopo']}'";
  $result = pg_query($conn, $sql);
  if (!$result) {
  echo("Error in SQL query: " . pg_last_error() . "<br>\n");
  } else {
  echo "Deleted {$_REQUEST['oldgeopo']}<br>";
  }
  }
  flush();
  ?>
file:a/betweenpoint.move.php -> file:b/betweenpoint.move.php
<?php <?php
/* /*
* GeoPo Encode in PHP * GeoPo Encode in PHP
* @author : Shintaro Inagaki * @author : Shintaro Inagaki
* @param $location (Array) * @param $location (Array)
* @return $geopo (String) * @return $geopo (String)
*/ */
function geopoEncode($lat, $lng) function geopoEncode($lat, $lng)
{ {
// 64characters (number + big and small letter + hyphen + underscore) // 64characters (number + big and small letter + hyphen + underscore)
$chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_"; $chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
$geopo = ""; $geopo = "";
$scale = 7; $scale = 7;
// Change a degree measure to a decimal number // Change a degree measure to a decimal number
$lat = ($lat + 90) / 180 * pow(8, 10); $lat = ($lat + 90) / 180 * pow(8, 10);
$lng = ($lng + 180) / 360 * pow(8, 10); $lng = ($lng + 180) / 360 * pow(8, 10);
// Compute a GeoPo code from head and concatenate // Compute a GeoPo code from head and concatenate
for ($i = 0; $i < $scale; $i++) { for ($i = 0; $i < $scale; $i++) {
$geopo .= substr($chars, floor($lat / pow(8, 9 - $i) % 8) + floor($lng / pow(8, 9 - $i) % 8) * 8, 1); $geopo .= substr($chars, floor($lat / pow(8, 9 - $i) % 8) + floor($lng / pow(8, 9 - $i) % 8) * 8, 1);
} }
return $geopo; return $geopo;
} }
/* /*
* GeoPo Decode in PHP * GeoPo Decode in PHP
* @author : Shintaro Inagaki * @author : Shintaro Inagaki
* @param $geopo (String) * @param $geopo (String)
* @return $location (Array) * @return $location (Array)
*/ */
function geopoDecode($geopo) function geopoDecode($geopo)
{ {
// 64characters (number + big and small letter + hyphen + underscore) // 64characters (number + big and small letter + hyphen + underscore)
$chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_"; $chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
// Array for geolocation // Array for geolocation
$location = array(); $location = array();
for ($i = 0; $i < strlen($geopo); $i++) { for ($i = 0; $i < strlen($geopo); $i++) {
// What number of character that equal to a GeoPo code (0-63) // What number of character that equal to a GeoPo code (0-63)
$order = strpos($chars, substr($geopo, $i, 1)); $order = strpos($chars, substr($geopo, $i, 1));
// Lat/Lng plus geolocation value of scale // Lat/Lng plus geolocation value of scale
$location['lat'] = $location['lat'] + floor($order % 8) * pow(8, 9 - $i); $location['lat'] = $location['lat'] + floor($order % 8) * pow(8, 9 - $i);
$location['lng'] = $location['lng'] + floor($order / 8) * pow(8, 9 - $i); $location['lng'] = $location['lng'] + floor($order / 8) * pow(8, 9 - $i);
} }
// Change a decimal number to a degree measure, and plus revised value that shift center of area // Change a decimal number to a degree measure, and plus revised value that shift center of area
$location['lat'] = $location['lat'] * 180 / pow(8, 10) + 180 / pow(8, strlen($geopo)) / 2 - 90; $location['lat'] = $location['lat'] * 180 / pow(8, 10) + 180 / pow(8, strlen($geopo)) / 2 - 90;
$location['lng'] = $location['lng'] * 360 / pow(8, 10) + 360 / pow(8, strlen($geopo)) / 2 - 180; $location['lng'] = $location['lng'] * 360 / pow(8, 10) + 360 / pow(8, strlen($geopo)) / 2 - 180;
$location['scale'] = strlen($geopo); $location['scale'] = strlen($geopo);
return $location; return $location;
} }
$conn = pg_connect("dbname=bus user=postgres password=snmc"); $conn = pg_connect("dbname=bus user=postgres password=snmc");
if (!$conn) { if (!$conn) {
echo "An error occured.\n"; echo "An error occured.\n";
exit; exit;
} }
if ($_REQUEST['newlatlng']) { if ($_REQUEST['newlatlng']) {
$latlng = explode(";", $_REQUEST['newlatlng']); $latlng = explode(";", $_REQUEST['newlatlng']);
$lat = (float)$latlng[0]; $lat = (float)$latlng[0];
$lng = (float)$latlng[1]; $lng = (float)$latlng[1];
$geoPo = geopoEncode($lat, $lng); $geoPo = geopoEncode($lat, $lng);
$nodelat = (int)($lat * 10000000); $nodelat = (int)($lat * 10000000);
$nodelon = (int)($lng * 10000000); $nodelon = (int)($lng * 10000000);
echo($nodelat . "," . $nodelon . "=$geoPo<br>"); echo($nodelat . "," . $nodelon . "=$geoPo<br>");
$sql = "UPDATE stops SET geohash='$geoPo', lat='$nodelat', lng='$nodelon' WHERE geohash = '{$_REQUEST['oldgeopo']}'"; $sql = "UPDATE stops SET geohash='$geoPo', lat='$nodelat', lng='$nodelon', name=null, suburb=null WHERE geohash = '{$_REQUEST['oldgeopo']}'";
$result = pg_query($conn, $sql); $result = pg_query($conn, $sql);
if (!$result) { if (!$result) {
echo("Error in SQL query: " . pg_last_error() . "<br>\n"); echo("Error in SQL query: " . pg_last_error() . "<br>\n");
  } else if (pg_affected_rows($result) == 0) {
  echo ("Error 0 points moved, please refresh page and try again");
} else { } else {
echo $_REQUEST['oldgeopo'] . " replaced with $geoPo <br>"; echo $_REQUEST['oldgeopo'] . " replaced with $geoPo <br>";
$updatedroutes = 0; $updatedroutes = 0;
$result_outdatedroutes = pg_query($conn, "Select * FROM between_stops where points LIKE '%" . $_REQUEST['oldgeopo'] . ";%'"); $result_outdatedroutes = pg_query($conn, "Select * FROM between_stops where points LIKE '%" . $_REQUEST['oldgeopo'] . ";%'");
while ($outdatedroute = pg_fetch_assoc($result_outdatedroutes)) { while ($outdatedroute = pg_fetch_assoc($result_outdatedroutes)) {
$newpoints = str_replace($_REQUEST['oldgeopo'], $geoPo, $outdatedroute['points']); $newpoints = str_replace($_REQUEST['oldgeopo'], $geoPo, $outdatedroute['points']);
$sql = "UPDATE between_stops set points='$newpoints' where fromlocation = '{$outdatedroute['fromlocation']}' AND tolocation = '{$outdatedroute['tolocation']}' "; $sql = "UPDATE between_stops set points='$newpoints' where fromlocation = '{$outdatedroute['fromlocation']}' AND tolocation = '{$outdatedroute['tolocation']}' ";
$result = pg_query($conn, $sql); $result = pg_query($conn, $sql);
if (!$result) { if (!$result) {
echo("Error in SQL query: " . pg_last_error() . "<br>\n"); echo("Error in SQL query: " . pg_last_error() . "<br>\n");
} }
$updatedroutes++; $updatedroutes++;
} }
echo "updated $updatedroutes routes<br>"; echo "updated $updatedroutes routes<br>";
} }
} }
flush(); flush();
?> ?>
file:a/betweenpoint.php -> file:b/betweenpoint.php
<html xmlns="http://www.w3.org/1999/xhtml"> <html xmlns="http://www.w3.org/1999/xhtml">
<head> <head>
<script src="openlayers/OpenLayers.js"></script> <script src="openlayers/OpenLayers.js"></script>
<SCRIPT TYPE="text/javascript" SRC="OpenStreetMap.js"></SCRIPT> <SCRIPT TYPE="text/javascript" SRC="OpenStreetMap.js"></SCRIPT>
<script type="text/javascript" src="jquery.1.3.2.min.js"></script> <script type="text/javascript" src="jquery.1.3.2.min.js"></script>
<script type="text/javascript"> <script type="text/javascript">
   
function init() function init()
{ {
// create the ol map object // create the ol map object
var map = new OpenLayers.Map('map'); var map = new OpenLayers.Map('map');
var osmtiles = new OpenLayers.Layer.OSM("local", "http://10.0.1.154/tiles/${z}/${x}/${y}.png") var osmtiles = new OpenLayers.Layer.OSM("local", "http://10.0.1.154/tiles/${z}/${x}/${y}.png")
// use http://open.atlas.free.fr/GMapsTransparenciesImgOver.php and http://code.google.com/p/googletilecutter/ to make tiles // use http://open.atlas.free.fr/GMapsTransparenciesImgOver.php and http://code.google.com/p/googletilecutter/ to make tiles
markers = new OpenLayers.Layer.Markers("Between Stop Markers"); markers = new OpenLayers.Layer.Markers("Between Stop Markers");
//hanlde mousedown on regions that are not points by reporting latlng //hanlde mousedown on regions that are not points by reporting latlng
OpenLayers.Control.Click = OpenLayers.Class(OpenLayers.Control, { OpenLayers.Control.Click = OpenLayers.Class(OpenLayers.Control, {
defaultHandlerOptions: { defaultHandlerOptions: {
'single': true, 'single': true,
'double': false, 'double': false,
'pixelTolerance': 0, 'pixelTolerance': 0,
'stopSingle': false, 'stopSingle': false,
'stopDouble': false 'stopDouble': false
}, },
initialize: function(options) { initialize: function(options) {
this.handlerOptions = OpenLayers.Util.extend( this.handlerOptions = OpenLayers.Util.extend(
{}, this.defaultHandlerOptions {}, this.defaultHandlerOptions
); );
OpenLayers.Control.prototype.initialize.apply( OpenLayers.Control.prototype.initialize.apply(
this, arguments this, arguments
); );
this.handler = new OpenLayers.Handler.Click( this.handler = new OpenLayers.Handler.Click(
this, { this, {
'click': this.trigger 'click': this.trigger
}, this.handlerOptions }, this.handlerOptions
); );
}, },
trigger: function(e) { trigger: function(e) {
var lonlat = map.getLonLatFromViewPortPx(e.xy).transform( var lonlat = map.getLonLatFromViewPortPx(e.xy).transform(
new OpenLayers.Projection("EPSG:900913"), new OpenLayers.Projection("EPSG:900913"),
new OpenLayers.Projection("EPSG:4326") new OpenLayers.Projection("EPSG:4326")
); );
$('form input[name="newlatlng"]').val(lonlat.lat + ";" + lonlat.lon ); $('form input[name="newlatlng"]').val(lonlat.lat + ";" + lonlat.lon );
} }
}); });
var click = new OpenLayers.Control.Click(); var click = new OpenLayers.Control.Click();
map.addControl(click); map.addControl(click);
click.activate(); click.activate();
<?php <?php
$conn = pg_connect("dbname=bus user=postgres password=snmc"); $conn = pg_connect("dbname=bus user=postgres password=snmc");
if (!$conn) { if (!$conn) {
echo "An error occured.\n"; echo "An error occured.\n";
exit; exit;
} }
$result_stops = pg_query($conn, "Select * FROM stops"); $result_stops = pg_query($conn, "Select * FROM stops");
while ($stop = pg_fetch_assoc($result_stops)) { while ($stop = pg_fetch_assoc($result_stops)) {
echo 'marker = new OpenLayers.Marker(new OpenLayers.LonLat(' . ($stop['lng'] / 10000000) . "," . ($stop['lat'] / 10000000) . ') echo 'marker = new OpenLayers.Marker(new OpenLayers.LonLat(' . ($stop['lng'] / 10000000) . "," . ($stop['lat'] / 10000000) . ')
.transform( .transform(
new OpenLayers.Projection("EPSG:4326"), // transform from WGS 1984 new OpenLayers.Projection("EPSG:4326"), // transform from WGS 1984
new OpenLayers.Projection("EPSG:900913") // to Spherical Mercator Projection new OpenLayers.Projection("EPSG:900913") // to Spherical Mercator Projection
));'; ));';
echo ' echo '
marker.id="' . $stop['geohash'] . '"; marker.id="' . $stop['geohash'] . '";
markers.addMarker(marker); markers.addMarker(marker);
marker.events.register("mousedown", marker, function() { marker.events.register("mousedown", marker, function() {
   
document.getElementById("between_points").innerHTML += this.id+";"; document.getElementById("between_points").innerHTML += this.id+";";
$(\'form input[name="oldgeopo"]\').val(this.id); $(\'form input[name="oldgeopo"]\').val(this.id);
}); });
'; ';
} }
?> ?>
var timeicon = new OpenLayers.Icon("http://maps.google.com/mapfiles/kml/pushpin/grn-pushpin.png",new OpenLayers.Size(32,32)); var timeicon = new OpenLayers.Icon("http://maps.google.com/mapfiles/kml/pushpin/grn-pushpin.png",new OpenLayers.Size(32,32));
var timepoints = new OpenLayers.Layer.GeoRSS("Timing Points", "displaytimepoints.georss.php", { icon: timeicon }); var timepoints = new OpenLayers.Layer.GeoRSS("Timing Points", "displaytimepoints.georss.php", { icon: timeicon });
   
map.addLayers([osmtiles, markers,timepoints]); map.addLayers([osmtiles, markers,timepoints]);
map.addControl(new OpenLayers.Control.LayerSwitcher()); map.addControl(new OpenLayers.Control.LayerSwitcher());
map.zoomToExtent(markers.getDataExtent()); map.zoomToExtent(markers.getDataExtent());
} }
</script> </script>
<script type="text/javascript"> <script type="text/javascript">
function submitBetween () { function submitBetween () {
$.post("betweenpoint.submit.php", $("#inputform").serialize(), function(html){ $.post("betweenpoint.submit.php", $("#inputform").serialize(), function(html){
$("#response").html(html); $("#response").html(html);
//clearForms(); //clearForms();
return false; return false;
}); });
}; };
function submitMove () { function submitMove () {
$.post("betweenpoint.move.php", $("#moveform").serialize(), function(html){ $.post("betweenpoint.move.php", $("#moveform").serialize(), function(html){
$("#response").html(html); $("#response").html(html);
  clearForms();
  return false;
  });
  };
  function submitDelete () {
  $.post("betweenpoint.delete.php", $("#moveform").serialize(), function(html){
  $("#response").html(html);
  clearForms();
  return false;
  });
  };
  function submitAdd () {
  $.post("betweenpoint.add.php", $("#moveform").serialize(), function(html){
  $("#response").html(html);
  clearForms();
return false; return false;
}); });
}; };
function OnChange(dropdown) function OnChange(dropdown)
{ {
var myindex = dropdown.selectedIndex var myindex = dropdown.selectedIndex
var selValue = dropdown.options[myindex].value; var selValue = dropdown.options[myindex].value;
$("#routes").val(selValue.split(":",2)[0]); $("#routes").val(selValue.split(":",2)[0]);
fromto = selValue.split(":",2)[1]; fromto = selValue.split(":",2)[1];
$("#from").val(fromto.split("->",2)[0]); $("#from").val(fromto.split("->",2)[0]);
$("#to").val(fromto.split("->",2)[1]); $("#to").val(fromto.split("->",2)[1]);
document.getElementById("between_points").innerHTML = ""; document.getElementById("between_points").innerHTML = "";
return true; return true;
} }
   
// function will clear input elements on each form // function will clear input elements on each form
function clearForms(){ function clearForms(){
document.getElementById("between_points").innerHTML = ""; document.getElementById("between_points").innerHTML = "";
// declare element type // declare element type
var type = null; var type = null;
// loop through forms on HTML page // loop through forms on HTML page
for (var x=0; x<document.forms.length; x++){ for (var x=0; x<document.forms.length; x++){
// loop through each element on form // loop through each element on form
for (var y=0; y<document.forms[x].elements.length; y++){ for (var y=0; y<document.forms[x].elements.length; y++){
// define element type // define element type
type = document.forms[x].elements[y].type type = document.forms[x].elements[y].type
// alert before erasing form element // alert before erasing form element
//alert('form='+x+' element='+y+' type='+type); //alert('form='+x+' element='+y+' type='+type);
// switch on element type // switch on element type
switch(type){ switch(type){
case "text": case "text":
case "textarea": case "textarea":
case "password": case "password":
//case "hidden": //case "hidden":
document.forms[x].elements[y].value = ""; document.forms[x].elements[y].value = "";
break; break;
case "radio": case "radio":
case "checkbox": case "checkbox":
document.forms[x].elements[y].checked = true; document.forms[x].elements[y].checked = true;
break; break;
case "select-one": case "select-one":
document.forms[x].elements[y].options[0].selected = true; document.forms[x].elements[y].options[0].selected = true;
break; break;
case "select-multiple": case "select-multiple":
for (z=0; z<document.forms[x].elements[y].options.length; z++){ for (z=0; z<document.forms[x].elements[y].options.length; z++){
document.forms[x].elements[y].options[z].selected = false; document.forms[x].elements[y].options[z].selected = false;
} }
break; break;
} }
} }
} }
} }
</script> </script>
   
</head> </head>
<body onload="init()"> <body onload="init()">
<div id="inputpane"><form id="inputform"> <div id="inputpane"><form id="inputform">
<select name=selectPair onchange='OnChange(this.form.selectPair);'> <select name=selectPair onchange='OnChange(this.form.selectPair);'>
<option>Select a from/to pair...</option> <option>Select a from/to pair...</option>
<?php <?php
include('spyc/spyc.php'); include('spyc/spyc.php');
//$timetable = Spyc::YAMLLoad('../spyc.yaml'); //$timetable = Spyc::YAMLLoad('../spyc.yaml');
$path = "maxious-canberra-transit-feed/output/"; $path = "maxious-canberra-transit-feed/output/";
$dhandle = opendir("maxious-canberra-transit-feed/output/"); $dhandle = opendir("maxious-canberra-transit-feed/output/");