ossimDemInfo Class Reference

USGS DEM info class. More...

#include <ossimDemInfo.h>

Inheritance diagram for ossimDemInfo:

Public Member Functions
	ossimDemInfo ()
	default constructor More...
virtual	~ossimDemInfo ()
	virtual destructor More...
virtual bool	open (const ossimFilename &file)
	open method. More...
virtual bool	open (std::shared_ptr< ossim::istream > &str, const std::string &connectionString)
	open method. More...
virtual std::ostream &	print (std::ostream &out) const
	Print method. More...
Public Member Functions inherited from ossimInfoBase
	ossimInfoBase ()
	default constructor More...
void	setProcessOverviewFlag (bool flag)
	Sets the overview flag. More...
bool	getProcessOverviewFlag () const
	Method to get the overview flag. More...
virtual bool	getKeywordlist (ossimKeywordlist &kwl) const
	Method to dump info to a keyword list. More...
virtual bool	getKeywordlist (ossimKeywordlist &kwl, ossim_uint32 entryIndex) const
	Method to dump info to a keyword list. More...
Public Member Functions inherited from ossimReferenced
	ossimReferenced ()
	ossimReferenced (const ossimReferenced &)
ossimReferenced &	operator= (const ossimReferenced &)
void	ref () const
	increment the reference count by one, indicating that this object has another pointer which is referencing it. More...
void	unref () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...
void	unref_nodelete () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...
int	referenceCount () const

Private Attributes
std::shared_ptr< ossim::istream >	m_fileStr
std::string	m_connectionString

Additional Inherited Members
Protected Member Functions inherited from ossimInfoBase
virtual	~ossimInfoBase ()
	virtual destructor More...
Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()
Protected Attributes inherited from ossimInfoBase
bool	theOverviewFlag

Detailed Description

USGS DEM info class.

Encapsulates the dumpnitf functionality.

Definition at line 26 of file ossimDemInfo.h.

Constructor & Destructor Documentation

ossimDemInfo()

ossimDemInfo::ossimDemInfo

(

)

default constructor

Definition at line 25 of file ossimDemInfo.cpp.

{
}

~ossimDemInfo()

ossimDemInfo::~ossimDemInfo ( )

virtual

virtual destructor

Definition at line 29 of file ossimDemInfo.cpp.

{
}

Member Function Documentation

open() [1/2]

bool ossimDemInfo::open ( const ossimFilename &  file )

virtual

open method.

Parameters

file	File name to open.

Returns

true on success false on error.

Reimplemented from ossimInfoBase.

Definition at line 33 of file ossimDemInfo.cpp.

References ossimString::c_str(), and ossim::StreamFactoryRegistry::instance().

{
   std::string connectionString = file.c_str();
   std::shared_ptr<ossim::istream> str = ossim::StreamFactoryRegistry::instance()->
      createIstream( file.c_str(), std::ios_base::in|std::ios_base::binary);
   if(!str) return false;
   return open(str, connectionString);
}

open() [2/2]

bool ossimDemInfo::open ( std::shared_ptr< ossim::istream > &  str, const std::string &  connectionString  )

virtual

open method.

Parameters

str	File name to open.

Returns

true on success false on error.

Reimplemented from ossimInfoBase.

Definition at line 42 of file ossimDemInfo.cpp.

References ossimDemUtil::isUsgsDem(), m_connectionString, and m_fileStr.

{
   if(!str) return false;
   bool result = ossimDemUtil::isUsgsDem(str, connectionString);

   if ( result )
   {
      m_fileStr = str;
      m_connectionString = connectionString;
   }
   else
   {
      m_connectionString = "";
   }
   
   return result;
  
}

print()

std::ostream & ossimDemInfo::print ( std::ostream &  out ) const

virtual

Print method.

Parameters

out	Stream to print to.

Returns

std::ostream&

Implements ossimInfoBase.

Definition at line 62 of file ossimDemInfo.cpp.

References m_connectionString, m_fileStr, ossimDemHeader::open(), and ossimDemHeader::print().

{
   if ( m_fileStr )
   {
      ossimDemHeader hdr;
      m_fileStr->clear();
      m_fileStr->seekg(0);
      if ( hdr.open(m_fileStr, m_connectionString) )
      {
         // std::string prefix;
         hdr.print(std::cout);
      }
   }
   return out;
}

Member Data Documentation

m_connectionString

std::string ossimDemInfo::m_connectionString

private

Definition at line 60 of file ossimDemInfo.h.

Referenced by open(), and print().

m_fileStr

std::shared_ptr<ossim::istream> ossimDemInfo::m_fileStr

mutableprivate

Definition at line 59 of file ossimDemInfo.h.

Referenced by open(), and print().

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The documentation for this class was generated from the following files:

• ossimDemInfo.h
• ossimDemInfo.cpp