vtDLGFile Class Reference

Public Member Functions
bool	Read (const char *fname, bool progress_callback(int)=NULL)
	Reads a file. Pass it the name of a DLG-O (.opt) file. Returns true if successful.
bool	GetRecord (char *buf)
DLGType	GuessFileType ()
	after loading, guess file type from the element attributes
const char *	GetErrorMessage ()
	if an error occured, return it as an English message
void	OpenFile ()
void	CloseFile ()
vtCRS &	GetCRS ()

Public Attributes
int	m_iError
char	m_header [80]
int	m_iNodes
int	m_iAreas
int	m_iLines
bool	m_bLFdelimited
const char *	m_fname
DPoint2	m_SW_utm
DPoint2	m_NW_utm
DPoint2	m_NE_utm
DPoint2	m_SE_utm
DPoint2	m_SW_lat
DPoint2	m_NW_lat
DPoint2	m_NE_lat
DPoint2	m_SE_lat
std::vector< DLGNode >	m_nodes
std::vector< DLGArea >	m_areas
std::vector< DLGLine >	m_lines

Protected Attributes
FILE *	m_fp
vtCRS	m_crs

Detailed Description

Implements reading data from a USGS DLG file.