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File: example/matrixrun.php

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  Classes of Benjamin Vatter  >  PHP Clarke and Wright Algorithm  >  example/matrixrun.php  >  Download  
File: example/matrixrun.php
Role: Example script
Content type: text/plain
Description: normal run of the class
Class: PHP Clarke and Wright Algorithm
Solve a truck routing problem with Clarke & Wright
Author: By
Last change:
Date: 1 year ago
Size: 1,813 bytes
 

Contents

Class file image Download

<?php
/*
run execution of cw model
 */
set_time_limit(240);
ini_set('error_log','error_log.txt');
include(
'data.php');
include(
'matrixcw.php');




$time_start microtime(true); 
$cw = new cw();
$cw->loadData($client_nodes,$client_demands,$distance_matrix,$truck_capacity);
$cw->cwSavings();
$cw->sortSavings();
$cw->cwroutes();
$cw->finishingTouch();
$time_end microtime(true);
echo 
"<h1>Clarke & Wright savings Hueristics with assymetric costs and time windows</h1><br>";
foreach (
$cw->routes as $key => $value) {
    echo 
"<h2>Route number {$key}</h2><br>";
    echo 
"<b>Truck: </b>".$value['truck']."<br>";
    echo 
"<b>Path: </b>".implode('->',$value['road'])."<br>";
    echo 
"<b>Total Distance of Path: </b>".$value['total_distance']."<br>";
    echo 
"<b>Total Time of Path: </b>".$value['total_time']."<br>";
    echo 
"<b>Time back at depot: </b>".$value['time_back_at_depot']."<br>";
    echo 
"<br><br>";
}
if(
count($cw->unsatisfied)>1){
echo 
"The following clients weren't visited : <br>";
?>
    <table>
        <thead>
            <th>Client</th><th>Reason</th>
        </thead>
        <tbody>
<?php foreach($cw->unsatisfied as $client=>$reason){ ?>
            <tr><td><?=$client?></td><td><?=$reason?></td></tr>
<?php ?>
        </tbody>
    <table>
        <br>
<?php
}
else echo 
"all clients were visited! <br>";
echo 
"The total cost for the routing problem is : ".$cw->total_cost." seconds <br>";
echo 
"The total excution time of the Hueristics was : ".($time_end-$time_start)." seconds "."<br>";
echo 
"The total reassign cost of the process was : ".$cw->reassing_cost."<br>"."<br>";
if(
count($conversion)>0){
        echo 
"the conversion for duplicate nodes was as follow : <br>";
        foreach (
$conversion as $key => $value) {
            list(
$from,$to) = $value;
            
$num $key+2;
            echo 
"$from -> $to <br>";
        }
    }
?>