function readRecordPolyLine(&$fp)
{
$data = readBoundingBox($fp);
$data["numparts"] = readAndUnpack("i", fread($fp, 4));
$data["numpoints"] = readAndUnpack("i", fread($fp, 4));
_d("PolyLine numparts = " . $data["numparts"] . " numpoints = " . $data["numpoints"]);
for ($i = 0; $i < $data["numparts"]; $i++) {
$data["parts"][$i] = readAndUnpack("i", fread($fp, 4));
_d("PolyLine adding point index= " . $data["parts"][$i]);
}
$points_initial_index = ftell($fp);
_d("Reading points; initial index = {$points_initial_index}");
$points_read = 0;
foreach ($data["parts"] as $part_index => $point_index) {
//fseek($fp, $points_initial_index + $point_index);
_d("Seeking initial index point [" . ($points_initial_index + $point_index) . "]");
if (!isset($data["parts"][$part_index]["points"]) || !is_array($data["parts"][$part_index]["points"])) {
$data["parts"][$part_index] = array();
$data["parts"][$part_index]["points"] = array();
}
while (!in_array($points_read, $data["parts"]) && $points_read < $data["numpoints"] && !feof($fp)) {
set_time_limit(160);
$data["parts"][$part_index]["points"][] = readRecordPoint($fp, true);
$points_read++;
}
}
_d("Returning shp_data parts array = " . getArray($data['parts']));
fseek($fp, $points_initial_index + $points_read * XY_POINT_RECORD_LENGTH);
_d("Seeking end of points section [" . ($points_initial_index + $points_read * XY_POINT_RECORD_LENGTH) . "]");
return $data;
}
function readRecordPolyLine(&$fp, $options = null)
{
$data = readBoundingBox($fp);
$data["numparts"] = readAndUnpack("i", fread($fp, 4));
$data["numpoints"] = readAndUnpack("i", fread($fp, 4));
//_d("PolyLine numparts = ".$data["numparts"]." numpoints = ".$data["numpoints"]);
if (isset($options['noparts']) && $options['noparts'] == true) {
//Skip the parts
$points_initial_index = ftell($fp) + 4 * $data["numparts"];
$points_read = $data["numpoints"];
} else {
for ($i = 0; $i < $data["numparts"]; $i++) {
$data["parts"][$i] = readAndUnpack("i", fread($fp, 4));
//_d("PolyLine adding point index= ".$data["parts"][$i]);
}
$points_initial_index = ftell($fp);
//_d("Reading points; initial index = $points_initial_index");
$points_read = 0;
foreach ($data["parts"] as $part_index => $point_index) {
//fseek($fp, $points_initial_index + $point_index);
//_d("Seeking initial index point [".($points_initial_index + $point_index)."]");
if (!isset($data["parts"][$part_index]["points"]) || !is_array($data["parts"][$part_index]["points"])) {
$data["parts"][$part_index] = array();
$data["parts"][$part_index]["points"] = array();
}
while (!in_array($points_read, $data["parts"]) && $points_read < $data["numpoints"] && !feof($fp)) {
$data["parts"][$part_index]["points"][] = readRecordPoint($fp, true);
$points_read++;
}
}
}
fseek($fp, $points_initial_index + $points_read * XY_POINT_RECORD_LENGTH);
//_d("Seeking end of points section [".($points_initial_index + ($points_read * XY_POINT_RECORD_LENGTH))."]");
return $data;
}
