/**
* Loads geometry data from the ESRI shape file
*
* @return boolean|void
* @see ShapeFile::_loadRecords()
*/
public function _loadRecords()
{
global $eof;
ImportShp::readFromBuffer(32);
while (true) {
$record = new ShapeRecord(-1);
$record->loadFromFile($this->SHPFile, $this->DBFFile);
if ($record->lastError != "") {
return false;
}
if ($eof) {
break;
}
$this->records[] = $record;
}
}
/**
* Loads data from a polyline record
*
* @return void
* @see ShapeRecord::_loadPolyLineRecord()
*/
public function _loadPolyLineRecord()
{
$this->SHPData = array();
$this->SHPData["xmin"] = loadData("d", ImportShp::readFromBuffer(8));
$this->SHPData["ymin"] = loadData("d", ImportShp::readFromBuffer(8));
$this->SHPData["xmax"] = loadData("d", ImportShp::readFromBuffer(8));
$this->SHPData["ymax"] = loadData("d", ImportShp::readFromBuffer(8));
$this->SHPData["numparts"] = loadData("V", ImportShp::readFromBuffer(4));
$this->SHPData["numpoints"] = loadData("V", ImportShp::readFromBuffer(4));
for ($i = 0; $i < $this->SHPData["numparts"]; $i++) {
$this->SHPData["parts"][$i] = loadData("V", ImportShp::readFromBuffer(4));
}
$readPoints = 0;
reset($this->SHPData["parts"]);
while (list($partIndex, ) = each($this->SHPData["parts"])) {
if (!isset($this->SHPData["parts"][$partIndex]["points"]) || !is_array($this->SHPData["parts"][$partIndex]["points"])) {
$this->SHPData["parts"][$partIndex] = array();
$this->SHPData["parts"][$partIndex]["points"] = array();
}
while (!in_array($readPoints, $this->SHPData["parts"]) && $readPoints < $this->SHPData["numpoints"]) {
$this->SHPData["parts"][$partIndex]["points"][] = $this->_loadPoint();
$readPoints++;
}
}
}
