function stb_loaddata($stbindex, &$x, &$y, &$f, $arrayfile)
{
$i = 0;
// try to get sorted array it from file
if (arrayfile($arrayfile, $array, "GET") === FALSE) {
// actually load
if (!($fp = fopen($file, "r"))) {
echo "cannot open {$file}!\n";
return FALSE;
}
while ($line = fgets($fp, 128)) {
//list ($x[$i],$y[$i],$f[$i])=split(" ",$line,3);
list($array[$i]['x'], $array[$i]['y'], $array[$i]['f']) = split(" ", trim($line), 3);
$i++;
// echo "$i =" . $x[$i-1][0] . "$line";
}
fclose($fp);
$B = new mdasort();
$B->aData = $array;
$B->aSortKeys = array(array('x', 'ASC'), array('y', 'DESC'));
$B->sort();
echo "get it from {$file}\n";
if (arrayfile($arrayfile, $array, "DUMP") === FALSE) {
echo "{$arrayfile} write failed\n";
}
}
for ($j = 0; $j < count($array); $j++) {
$x[$j] = $array[$j]['x'];
$y[$j] = $array[$j]['y'];
$f[$j] = $array[$j]['f'];
}
return TRUE;
}
function load_index()
{
// return FALSE when error
$i = 0;
// try to get sorted array it from file
if (arrayfile($this->arrayfile, $array, "GET") === FALSE) {
// actually load
if (!($fp = fopen($this->stbindex, "r"))) {
$this->err[] = "cannot open stbindex!\n";
return FALSE;
}
while ($line = fgets($fp, 128)) {
list($array[$i]['x'], $array[$i]['y'], $array[$i]['f']) = preg_split("/\\s+/", trim($line), 3);
$i++;
// echo "$i =" . $this->x[$i-1][0] . "$line";
}
fclose($fp);
$B = new mdasort();
$B->aData = $array;
$B->aSortKeys = array(array('x', 'ASC'), array('y', 'DESC'));
$B->sort();
// echo "get it from $file\n";
if (arrayfile($this->arrayfile, $array, "DUMP") === FALSE) {
$this->err[] = "{$arrayfile} write failed\n";
return FALSE;
}
}
for ($j = 0; $j < count($array); $j++) {
$this->x[$j] = $array[$j]['x'];
$this->y[$j] = $array[$j]['y'];
$this->f[$j] = $array[$j]['f'];
}
$this->doLog("index loaded..");
return TRUE;
}