toFile() public method

Convert file to given format
public toFile ( string $filename, string $format ) : void
$filename string Filename
$format string Output format
return void
 /**
  * Save to file
  *
  * @return void
  */
 public function saveToFileAction()
 {
     $this->response->disable();
     $file_name = $this->visualizationSettings['spatialColumn'];
     $save_format = $_REQUEST['fileFormat'];
     $this->visualization->toFile($file_name, $save_format);
 }