function performance_test($count, $user_point, $polygon_map)
{
$results = array();
// Check time before calculations
$before = microtime(true);
for ($i = 0; $i < $count; $i++) {
seek_point($user_point, $polygon_map);
}
// Check time again after calculations
$after = microtime(true);
// Calculate all seeks and one seek per second
$results['count'] = $count;
$results['one_seek'] = ($after - $before) / $count . " sec / seek";
$results['all_seeks'] = $after - $before . " sec";
// Return results on array
return $results;
}
function main_page($polygon_map, $perf_test)
{
// If user have given coordinates; safe them to variables
if ($_GET['lat'] != "") {
$lat = (double) $_GET['lat'];
}
if ($_GET['lon'] != "") {
$lon = (double) $_GET['lon'];
}
echo '<html>';
echo '<head>';
echo '<link href="styles.css" rel="stylesheet" type="text/css" />';
echo '</head>';
echo '<body>';
echo '<div class="main">';
echo ' <div class="user_form">';
// If user have entered coordinates
if (isset($_GET['lat']) && isset($_GET['lon']) && $_GET['lat'] == "" && $_GET['lon'] == "") {
echo '<span class="red">Please give coordinates..</span><br/><br/>';
} else {
if (isset($_GET['lat']) && isset($_GET['lon']) && $_GET['lat'] != "" && $_GET['lon'] != "") {
// Create map points from given coordinates
$user_point = new map_point($lat, $lon);
// Try to seek coordinates from map
if (seek_point($user_point, $polygon_map) == TRUE) {
echo '<span class="green">Given coordinates on polygon map.</span><br/><br/>';
} else {
echo '<span class="pink">Given coordinates not on polygon map.</span><br/><br/>';
}
}
}
echo ' <form action="main.php">';
echo ' GPS Coordinates:<br/>';
echo ' Latitude: <input class="right" type="text" name="lat" placeholder="eg. 60.1708"';
if (isset($_GET['lat']) && $_GET['lat'] != "") {
echo ' value="' . $_GET['lat'] . '"';
}
echo '><br/>';
echo ' Longitude: <input class="right" type="text" name="lon" placeholder="eg. 24.9375"';
if (isset($_GET['lon']) && $_GET['lon'] != "") {
echo ' value="' . $_GET['lon'] . '"';
}
echo '"><br/>';
echo ' <br/>';
echo ' Polygon level for seeking:<br/>';
echo ' <input id="map4" type="radio" name="map" value="4"';
if (isset($_GET['map']) && $_GET['map'] == "4") {
echo ' checked';
}
echo '> <label for="map4">Map with 4 points</label><br/>';
echo ' <input id="map40" type="radio" name="map" value="40"';
if (isset($_GET['map']) && $_GET['map'] == "40" || !isset($_GET['map'])) {
echo ' checked';
}
echo '> <label for="map40">Map with 40 points</label><br/>';
echo ' <input id="map400" type="radio" name="map" value="400"';
if (isset($_GET['map']) && $_GET['map'] == "400") {
echo ' checked';
}
echo '> <label for="map400">Map with 400 points</label><br/>';
echo ' <br>';
echo ' Performance testing:<br>';
echo ' <input id="test" type="checkbox" name="test" value="1"';
if (isset($_GET['test'])) {
echo ' checked';
}
echo '> <label for="test">Run performance tests</label><br/>';
echo ' <input class="right" type="submit" value="Submit">';
echo ' </form>';
echo ' </div>';
// Run performance tests if its activated
if (($perf_test == TRUE || isset($_GET['test'])) && isset($_GET['lat']) && isset($_GET['lon'])) {
echo ' <div class="performance">';
echo ' Performance test results.<br/><br/>';
// Calculates with: 1, 10, 100, 1 000, 10 000 and 100 000 times..
for ($i = 1; $i <= 100000; $i = $i * 10) {
$results = performance_test($count = $i, $user_point, $polygon_map);
echo ' Calculations: ' . $results['count'] . '. All seeks: ' . $results['all_seeks'] . '. One seek: ' . $results['one_seek'] . '.<br/>';
}
echo ' </div>';
}
echo '</div>';
echo '</body>';
echo '</html>';
}
