ossimGeneralRasterElevFactory Class Reference

#include <ossimGeneralRasterElevFactory.h>

Inheritance diagram for ossimGeneralRasterElevFactory:

Public Types
typedef std::vector< ossimGeneralRasterElevHandler::GeneralRasterInfo >	BoundingRectListType

Public Member Functions
	ossimGeneralRasterElevFactory ()
	Constructor that takes a file name. More...
	ossimGeneralRasterElevFactory (const ossimFilename &dir)
	Constructor that takes a directory name. More...
virtual	~ossimGeneralRasterElevFactory ()
	destructor More...
void	setDirectory (const ossimFilename &directory)
virtual ossimElevSource *	getNewElevSource (const ossimGpt &gpt) const
	Open the appropriate handler that covers given a ground point. More...
virtual void	createIndex ()
	To satisfy pure virtual. More...
Public Member Functions inherited from ossimElevSourceFactory
	ossimElevSourceFactory ()
	default constructor More...
virtual	~ossimElevSourceFactory ()
	virtual destructor More...
virtual ossimFilename	getDirectory () const
Public Member Functions inherited from ossimObject
	ossimObject ()
virtual	~ossimObject ()
virtual ossimObject *	dup () const
virtual ossimString	getShortName () const
virtual ossimString	getLongName () const
virtual ossimString	getDescription () const
virtual ossimString	getClassName () const
virtual RTTItypeid	getType () const
virtual bool	canCastTo (ossimObject *obj) const
virtual bool	canCastTo (const RTTItypeid &id) const
virtual bool	canCastTo (const ossimString &parentClassName) const
virtual bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
virtual bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)
virtual std::ostream &	print (std::ostream &out) const
	Generic print method. More...
virtual bool	isEqualTo (const ossimObject &obj, ossimCompareType compareType=OSSIM_COMPARE_FULL) const
virtual void	accept (ossimVisitor &visitor)
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

Protected Member Functions
void	addInfo (const ossimGeneralRasterElevHandler::GeneralRasterInfo &info)
Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()

Protected Attributes
std::vector< ossimGeneralRasterElevHandler::GeneralRasterInfo >	theGeneralRasterInfoList
ossimDrect	theBoundingRect
ossim_int32	theCurrentIdx
bool	theHandlerReturnedFlag
Protected Attributes inherited from ossimElevSourceFactory
ossimFilename	theDirectory

Detailed Description

Definition at line 26 of file ossimGeneralRasterElevFactory.h.

Member Typedef Documentation

BoundingRectListType

typedef std::vector<ossimGeneralRasterElevHandler::GeneralRasterInfo> ossimGeneralRasterElevFactory::BoundingRectListType

Definition at line 29 of file ossimGeneralRasterElevFactory.h.

Constructor & Destructor Documentation

ossimGeneralRasterElevFactory() [1/2]

ossimGeneralRasterElevFactory::ossimGeneralRasterElevFactory

(

)

Constructor that takes a file name.

default constructor

Definition at line 7 of file ossimGeneralRasterElevFactory.cpp.

   :theHandlerReturnedFlag(false)
{
}

ossimGeneralRasterElevFactory() [2/2]

ossimGeneralRasterElevFactory::ossimGeneralRasterElevFactory

(

const ossimFilename &

dir

)

Constructor that takes a directory name.

Definition at line 12 of file ossimGeneralRasterElevFactory.cpp.

References setDirectory().

   :theHandlerReturnedFlag(false)
{
   setDirectory(dir);
}

~ossimGeneralRasterElevFactory()

ossimGeneralRasterElevFactory::~ossimGeneralRasterElevFactory ( )

virtual

destructor

Definition at line 18 of file ossimGeneralRasterElevFactory.cpp.

{
}

Member Function Documentation

addInfo()

void ossimGeneralRasterElevFactory::addInfo ( const ossimGeneralRasterElevHandler::GeneralRasterInfo &  info )

protected

Definition at line 77 of file ossimGeneralRasterElevFactory.cpp.

References theGeneralRasterInfoList.

Referenced by setDirectory().

{
   theGeneralRasterInfoList.push_back(info);
}

createIndex()

void ossimGeneralRasterElevFactory::createIndex ( )

virtual

To satisfy pure virtual.

Definition at line 82 of file ossimGeneralRasterElevFactory.cpp.

{
}

getNewElevSource()

ossimElevSource * ossimGeneralRasterElevFactory::getNewElevSource ( const ossimGpt &  gpt ) const

virtual

Open the appropriate handler that covers given a ground point.

Parameters

gpt	Ground point that an elevation source is need for.

Returns

Returns a pointer to an ossimElevSource if an elevation file is found that can cover the ground point. Returns NULL if no cell is found for the point.

Implements ossimElevSourceFactory.

Definition at line 61 of file ossimGeneralRasterElevFactory.cpp.

References theGeneralRasterInfoList.

{
   ossimDpt pt(gpt);
   std::vector<ossimGeneralRasterElevHandler::GeneralRasterInfo>::const_iterator i = theGeneralRasterInfoList.begin();
   while (i != theGeneralRasterInfoList.end())
   {
      if ((*i).theWgs84GroundRect.pointWithin(pt))
      {
         return new ossimGeneralRasterElevHandler((*i));
         
      }
      ++i;
   }
   return 0;
}

setDirectory()

void ossimGeneralRasterElevFactory::setDirectory ( const ossimFilename &  directory )

virtual

Parameters

directory

The directory to return data from.

Reimplemented from ossimElevSourceFactory.

Definition at line 22 of file ossimGeneralRasterElevFactory.cpp.

References addInfo(), ossimString::downcase(), ossimFilename::exists(), ossimFilename::ext(), ossimGeneralRasterElevHandler::generalRasterInfo(), ossimDirectory::getFirst(), ossimDirectory::getNext(), ossimFilename::isDir(), ossimGeneralRasterElevHandler::open(), ossimElevSourceFactory::setDirectory(), ossimElevSourceFactory::theDirectory, and theGeneralRasterInfoList.

Referenced by ossimGeneralRasterElevFactory().

{
   ossimElevSourceFactory::setDirectory(directory);
   theGeneralRasterInfoList.clear();
   ossimRefPtr<ossimGeneralRasterElevHandler>  handler = new ossimGeneralRasterElevHandler;
  
   if(theDirectory.exists())
   {
      if(theDirectory.isDir())
      {
         ossimDirectory dir(theDirectory);
         
         ossimFilename file;
         ossim_uint32 maxCount = 10; // search at least the first 10 files to see if there are any here
         ossim_uint32 count = 0;
         bool foundOne = false;
         if(dir.getFirst(file))
         {
            do
            {
               ++count;
               ossimString ext = file.ext();
               ext = ext.downcase();
               if(ext == "ras")
               {
                  if(handler->open(file))
                  {
                     foundOne = true;
                     addInfo(handler->generalRasterInfo());
                  }
               }
            } while(dir.getNext(file) &&
                    (foundOne ||
                     (!foundOne && (count < maxCount))));
         }
      }
   }  
}

Member Data Documentation

theBoundingRect

ossimDrect ossimGeneralRasterElevFactory::theBoundingRect

protected

Definition at line 66 of file ossimGeneralRasterElevFactory.h.

theCurrentIdx

ossim_int32 ossimGeneralRasterElevFactory::theCurrentIdx

mutableprotected

Definition at line 68 of file ossimGeneralRasterElevFactory.h.

theGeneralRasterInfoList

std::vector<ossimGeneralRasterElevHandler::GeneralRasterInfo> ossimGeneralRasterElevFactory::theGeneralRasterInfoList

protected

Definition at line 65 of file ossimGeneralRasterElevFactory.h.

Referenced by addInfo(), getNewElevSource(), and setDirectory().

theHandlerReturnedFlag

bool ossimGeneralRasterElevFactory::theHandlerReturnedFlag

mutableprotected

Definition at line 69 of file ossimGeneralRasterElevFactory.h.

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

• ossimGeneralRasterElevFactory.h
• ossimGeneralRasterElevFactory.cpp