ossimPiecewiseRemapper::ossimBandRemap Class Reference

Private container class. More...

Public Member Functions
	ossimBandRemap ()
	ossimBandRemap (const ossimBandRemap &obj)
const ossimBandRemap &	operator= (const ossimBandRemap &rhs)
void	loadState (const ossimKeywordlist &kwl, const std::string &prefix, ossim_uint32 band)
void	saveState (ossimKeywordlist &kwl, const std::string &prefix, ossimPiecewiseRemapper::PiecewiseRemapType remapType, ossim_uint32 band) const
bool	initRemapSetFromString (const std::string &s, ossimPiecewiseRemapper::ossimRemapSet &set) const
	Initializes set from string. More...
void	getRemapSetString (ossimPiecewiseRemapper::PiecewiseRemapType remapType, const ossimPiecewiseRemapper::ossimRemapSet &set, std::string &s) const
	Gets a string from remap set for type. More...
void	getLinearRemapSetString (const ossimPiecewiseRemapper::ossimRemapSet &set, std::string &s) const

Public Attributes
std::vector< ossimRemapSet >	m_remap

Detailed Description

Private container class.

Holds array of ossimRemapSets for a given band.

Definition at line 164 of file ossimPiecewiseRemapper.h.

Constructor & Destructor Documentation

ossimBandRemap() [1/2]

ossimPiecewiseRemapper::ossimBandRemap::ossimBandRemap

(

)

Definition at line 64 of file ossimPiecewiseRemapper.cpp.

   :
   m_remap(0)
{
}

ossimBandRemap() [2/2]

ossimPiecewiseRemapper::ossimBandRemap::ossimBandRemap

(

const ossimBandRemap &

obj

)

Definition at line 70 of file ossimPiecewiseRemapper.cpp.

   :
   m_remap(obj.m_remap)
{
}

Member Function Documentation

getLinearRemapSetString()

void ossimPiecewiseRemapper::ossimBandRemap::getLinearRemapSetString	(	const ossimPiecewiseRemapper::ossimRemapSet &	set,
		std::string &	s
	)		const

Definition at line 246 of file ossimPiecewiseRemapper.cpp.

{
   //---
   // Save in the form of:
   // ((0, 127, 0, 127), (128, 255, 128, 382))
   //---
   s.clear();
   if ( set.m_set.size() )
   {
      const ossim_uint32 TUPLES = set.m_set.size() / 4;
      if ( TUPLES )
      {  
         std::ostringstream os;
         os << std::setprecision(15)
            << "(";
         for ( ossim_uint32 i = 0; i < TUPLES; ++i )
         {
            ossim_uint32 setIdx = i*4;
            os << "("
               << set.m_set[ setIdx ]
               << ","
               << set.m_set[ setIdx + 1 ]
               << ","
               << set.m_set[ setIdx + 2 ]
               << ","
               << set.m_set[ setIdx + 3 ]
               << ")";
            if ( i < (TUPLES-1) )
            {
               os << ","; // Comma between quadruples.
            }
         }
         os << ")";
         s = os.str();
      }
   }
   
} // End: ossimPiecewiseRemapper::ossimBandRemap::getLinearRemapSetString( ... )

getRemapSetString()

void ossimPiecewiseRemapper::ossimBandRemap::getRemapSetString	(	ossimPiecewiseRemapper::PiecewiseRemapType	remapType,
		const ossimPiecewiseRemapper::ossimRemapSet &	set,
		std::string &	s
	)		const

Gets a string from remap set for type.

Parameters

remapType
set
s	Initialized by this.

Definition at line 235 of file ossimPiecewiseRemapper.cpp.

References ossimPiecewiseRemapper::getLinearRemapSetString(), and ossimPiecewiseRemapper::LINEAR_NATIVE.

{
   if ( remapType == ossimPiecewiseRemapper::LINEAR_NATIVE )
   {
      getLinearRemapSetString( set, s );
   }
}

initRemapSetFromString()

bool ossimPiecewiseRemapper::ossimBandRemap::initRemapSetFromString	(	const std::string &	s,
		ossimPiecewiseRemapper::ossimRemapSet &	set
	)		const

Initializes set from string.

Example input: ((0, 127, 0, 127), (128, 255, 128, 382))

Parameters

s	String to initialize from.
set	Initialized by this.

Definition at line 163 of file ossimPiecewiseRemapper.cpp.

{
   //---
   // Example:
   // ((0, 127, 0, 127), (128, 255, 128, 382))
   //---

   bool result = false;

   if ( s.size() )
   {
      std::istringstream in( s );
      char c;
      ossim_float64 d;
      
      // Gobble the open '('
      while ( !in.bad() && !in.eof() )
      {
         c = in.get();
         if ( c == '(' ) break;
      }
      
      // Main loop:
      while( !in.bad() && !in.eof() )
      {
         c = in.get();
         
         if ( c == ')' ) // Possible end of quadruple...
         {
            // Gobble next comma:
            while( !in.bad() && !in.eof() )
            {
               c = in.get();
               if ( c == ',' )
               {
                  break;
               }
            }
            c = in.get();
         }
         
         if ( (c == '(') || (c == ',') )
         {
            // Next string should be a number:
            in >> d;
            if ( in.good() )
            {
               set.m_set.push_back(d);
            }
            else
            {
               break;
            }
         }
      }

      if ( set.m_set.size() )
      {
         result = true;
      }
   }

   if ( !result )
   {
      set.m_set.clear();
   }

   return result;
   
} // End: ossimPiecewiseRemapper::ossimBandRemap::initRemapSetFromString( ... )

loadState()

void ossimPiecewiseRemapper::ossimBandRemap::loadState	(	const ossimKeywordlist &	kwl,
		const std::string &	prefix,
		ossim_uint32	band
	)

Definition at line 86 of file ossimPiecewiseRemapper.cpp.

References ossimString::string(), and ossimString::toString().

{
   //---
   // Band Remap set example:
   // band0.remap0:((0, 127, 0, 127), (128, 255, 128, 382))
   // band0.remap1:((0, 382, 0, 255))
   //---

   // Clear the sets:
   m_remap.clear();
   
   // Get the number of remaps for this band.
   std::string keyBase = "band";
   keyBase += ossimString::toString(band).string();
   keyBase += ".";
   keyBase += REMAP_KW;
   
   ossim_uint32 NUMBER_REMAPS = kwl.numberOf(prefix.c_str(), keyBase.c_str());
   ossim_uint32 found = 0;
   ossim_uint32 index = 0;
   
   // Loop to find band remaps.  This allows for skipping indexes. 
   while ( found < NUMBER_REMAPS )
   {
      std::string key = keyBase + ossimString::toString(index).string();
      std::string value = kwl.findKey( prefix, key );
      if ( value.size() )
      {
         ossimPiecewiseRemapper::ossimRemapSet set;
         if ( initRemapSetFromString( value, set ) )
         {
            m_remap.push_back( set );
         }
         ++found;
      }
      
      ++index;
      if ( index > (NUMBER_REMAPS+100) )
      {
         break;
      }
   }
   
} // End: ossimPiecewiseRemapper::ossimBandRemap::loadState

operator=()

const ossimPiecewiseRemapper::ossimBandRemap & ossimPiecewiseRemapper::ossimBandRemap::operator=

(

const ossimBandRemap &

rhs

)

Definition at line 77 of file ossimPiecewiseRemapper.cpp.

References m_remap.

{
   if ( this != &rhs )
   {
      m_remap = rhs.m_remap;
   }
   return *this;
}

saveState()

void ossimPiecewiseRemapper::ossimBandRemap::saveState	(	ossimKeywordlist &	kwl,
		const std::string &	prefix,
		ossimPiecewiseRemapper::PiecewiseRemapType	remapType,
		ossim_uint32	band
	)		const

Definition at line 133 of file ossimPiecewiseRemapper.cpp.

References ossimString::string(), and ossimString::toString().

{
   //---
   // Remap set:
   // Remap set: "band0.remap0":
   // band0.remap0:((0, 127, 0, 127), (128, 255, 128, 382))
   // band0.remap1:((0, 382, 0, 255))
   //---
   ossim_uint32 remapIndex = 0;
   std::vector<ossimRemapSet>::const_iterator i = m_remap.begin();
   while ( i != m_remap.end() )
   {
      std::string key = "band";
      key += ossimString::toString(band).string();
      key += ".";
      key += REMAP_KW;
      key += ossimString::toString(remapIndex).string();
      std::string value;
      getRemapSetString( remapType, (*i), value );
      kwl.addPair( prefix, key, value );
      ++i;
      ++remapIndex;
   }
   
} // End: ossimPiecewiseRemapper::ossimBandRemap::saveState

Member Data Documentation

m_remap

std::vector<ossimRemapSet> ossimPiecewiseRemapper::ossimBandRemap::m_remap

Definition at line 204 of file ossimPiecewiseRemapper.h.

Referenced by operator=().

---

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

• ossimPiecewiseRemapper.h
• ossimPiecewiseRemapper.cpp