parameters: (self)
docstring: Peforms a preview scan.
          :returns: The 2D tiff generate by the scan
docstring_summary: Peforms a preview scan.
          :returns: The 2D tiff generate by the scan
docstring_tokens: Peforms a preview scan . : returns : The 2D tiff generate by the scan
function: def preview_scan(self):
          """
          Peforms a preview scan.
          :returns: The 2D tiff generate by the scan
          """
function_tokens: def preview_scan ( self ) :