ossimPointBlock Class Reference

#include <ossimPointBlock.h>

Inheritance diagram for ossimPointBlock:

Public Types
typedef std::vector< ossimRefPtr< ossimPointRecord > >	PointList

Public Member Functions
	ossimPointBlock (ossimSource *owner=0, ossim_uint32 fields=0)
	~ossimPointBlock ()
virtual ossim_uint32	size () const
	Returns allocated size. More...
bool	empty () const
ossim_uint32	getFieldCode () const
	Returns OR'd mash-up of ossimPointRecord field codes being stored (or desired to be stored) More...
vector< ossimPointRecord::FIELD_CODES >	getFieldCodesAsList () const
void	setFieldCode (ossim_uint32 code)
	Initializes the desired fields to be stored. More...
virtual void	addPoint (ossimPointRecord *point)
	Adds single point to the tail of the list. More...
virtual const ossimPointRecord *	getPoint (ossim_uint32 point_offset) const
virtual ossimPointRecord *	getPoint (ossim_uint32 point_offset)
const ossimPointRecord *	operator[] (ossim_uint32 i) const
ossimPointRecord *	operator[] (ossim_uint32 i)
virtual const PointList &	getPoints () const
virtual PointList &	getPoints ()
void	getFieldMin (ossimPointRecord::FIELD_CODES field, ossim_float32 &value) const
void	getFieldMax (ossimPointRecord::FIELD_CODES field, ossim_float32 &value) const
void	getBounds (ossimGrect &block_bounds) const
virtual const ossimPointBlock &	operator= (const ossimPointBlock &rhs)
virtual ossimObject *	dup () const
virtual void	clear ()
	Resets any storage to empty. More...
virtual bool	isEqualTo (const ossimDataObject &, bool) const
	Fulfills base class pure virtual. More...
virtual ossim_uint32	getHashId () const
virtual ossim_uint32	getDataSizeInBytes () const
virtual void	initialize ()
	Will allow derived classes to initialize their buffers. More...
Public Member Functions inherited from ossimDataObject
	ossimDataObject (ossimSource *source=0, ossimDataObjectStatus status=OSSIM_STATUS_UNKNOWN)
	ossimDataObject (const ossimDataObject &rhs)
virtual	~ossimDataObject ()
virtual void	setOwner (ossimSource *aSource)
	Sets the owner of this Data object. More...
virtual ossimSource *	getOwner ()
virtual const ossimSource *	getOwner () const
virtual void	setDataObjectStatus (ossimDataObjectStatus status) const
	Full list found in ossimConstants.h. More...
virtual ossimDataObjectStatus	getDataObjectStatus () const
virtual ossimString	getDataObjectStatusString () const
virtual ossim_uint32	getObjectSizeInBytes () const
virtual bool	isInitialize () const
	This is to be overriden in the derived classes so they can check If their data is null. More...
virtual void	assign (const ossimDataObject *rhs)
virtual const ossimDataObject *	operator= (const ossimDataObject *rhs)
virtual const ossimDataObject &	operator= (const ossimDataObject &rhs)
virtual bool	operator== (const ossimDataObject &rhs) const
virtual bool	operator!= (const ossimDataObject &rhs) const
virtual std::ostream &	print (std::ostream &out) const
	Generic print method. More...
virtual bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
virtual bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)
Public Member Functions inherited from ossimObject
	ossimObject ()
virtual	~ossimObject ()
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	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
	ossimPointBlock (const ossimPointBlock &)
void	scanForMinMax () const
Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()

Protected Attributes
ossimPointRecord	m_nullPCR
ossimPointRecord	m_minRecord
ossimPointRecord	m_maxRecord
bool	m_minMaxValid
PointList	m_pointList
ossim_uint32	m_fieldCode
bool	m_isNormalized
Protected Attributes inherited from ossimDataObject
ossimSource *	theOwner
ossimDataObjectStatus	theDataObjectStatus

Detailed Description

Definition at line 24 of file ossimPointBlock.h.

Member Typedef Documentation

PointList

typedef std::vector< ossimRefPtr<ossimPointRecord> > ossimPointBlock::PointList

Definition at line 27 of file ossimPointBlock.h.

Constructor & Destructor Documentation

ossimPointBlock() [1/2]

ossimPointBlock::ossimPointBlock ( ossimSource *  owner = 0, ossim_uint32  fields = 0  )

explicit

Definition at line 12 of file ossimPointBlock.cpp.

Referenced by dup().

:  ossimDataObject(owner),
   m_nullPCR(fields),
   m_minMaxValid(false),
   m_fieldCode(0),
   m_isNormalized(false)
{
}

~ossimPointBlock()

ossimPointBlock::~ossimPointBlock

(

)

Definition at line 21 of file ossimPointBlock.cpp.

{

}

ossimPointBlock() [2/2]

ossimPointBlock::ossimPointBlock ( const ossimPointBlock &  )

inlineprotected

Definition at line 83 of file ossimPointBlock.h.

{}

Member Function Documentation

addPoint()

void ossimPointBlock::addPoint ( ossimPointRecord *  point )

virtual

Adds single point to the tail of the list.

Definition at line 133 of file ossimPointBlock.cpp.

References ossimPointRecord::getFieldCode(), m_fieldCode, m_minMaxValid, and m_pointList.

Referenced by ossimPointCloudHandler::getBlock(), ossimGenericPointCloudHandler::getFileBlock(), ossimGenericPointCloudHandler::ossimGenericPointCloudHandler(), and ossimPdalReader::parsePointView().

{
   // First check that the fields match the expected. If not, sync up to this point:
   if ((opr->getFieldCode() & m_fieldCode) != m_fieldCode)
      m_fieldCode = opr->getFieldCode();

   m_pointList.push_back(ossimRefPtr<ossimPointRecord>(opr));
   m_minMaxValid = false;
}

clear()

virtual void ossimPointBlock::clear ( )

inlinevirtual

Resets any storage to empty.

Definition at line 72 of file ossimPointBlock.h.

Referenced by ossimRialtoReader::getBlock(), ossimPointCloudHandler::getBlock(), ossimGenericPointCloudHandler::getFileBlock(), ossimRialtoReader::getFileBlock(), ossimPdalFileReader::getFileBlock(), ossimPointCloudImageHandler::getTile(), setFieldCode(), and ossimGenericPointCloudHandler::~ossimGenericPointCloudHandler().

{ m_pointList.clear(); m_isNormalized = false; m_minMaxValid = false;}

dup()

ossimObject * ossimPointBlock::dup ( ) const

virtual

Reimplemented from ossimObject.

Definition at line 88 of file ossimPointBlock.cpp.

References m_fieldCode, and ossimPointBlock().

{
   ossimPointBlock* copy = new ossimPointBlock(0, m_fieldCode);
   *copy = *this;
   return copy;
}

empty()

bool ossimPointBlock::empty ( ) const

inline

Definition at line 36 of file ossimPointBlock.h.

References size.

Referenced by getFieldMax(), getFieldMin(), and ossimHlzTool::PatchProcessorJob::level2Test().

{ return (size() == 0); }

getBounds()

void ossimPointBlock::getBounds

(

ossimGrect &

block_bounds

)

const

Definition at line 47 of file ossimPointBlock.cpp.

References ossimPointRecord::getPosition(), m_maxRecord, m_minMaxValid, m_minRecord, and scanForMinMax().

Referenced by ossimGenericPointCloudHandler::ossimGenericPointCloudHandler().

{
   if (!m_minMaxValid)
      scanForMinMax();

   block_bounds = ossimGrect(m_minRecord.getPosition(), m_maxRecord.getPosition());
}

getDataSizeInBytes()

virtual ossim_uint32 ossimPointBlock::getDataSizeInBytes ( ) const

inlinevirtual

Implements ossimDataObject.

Definition at line 79 of file ossimPointBlock.h.

{ return 0; };

getFieldCode()

ossim_uint32 ossimPointBlock::getFieldCode

(

)

const

Returns OR'd mash-up of ossimPointRecord field codes being stored (or desired to be stored)

Definition at line 95 of file ossimPointBlock.cpp.

References m_fieldCode, and m_pointList.

Referenced by ossimPdalReader::parsePointView(), and setFieldCode().

{
   if (!m_pointList.empty())
      m_fieldCode = m_pointList[0]->getFieldCode();

   return m_fieldCode;
}

getFieldCodesAsList()

vector< ossimPointRecord::FIELD_CODES > ossimPointBlock::getFieldCodesAsList

(

)

const

Definition at line 103 of file ossimPointBlock.cpp.

References ossimPointRecord::Blue, ossimPointRecord::GpsTime, ossimPointRecord::Green, ossimPointRecord::Infrared, ossimPointRecord::Intensity, m_fieldCode, ossimPointRecord::NumberOfReturns, ossimPointRecord::Red, and ossimPointRecord::ReturnNumber.

Referenced by ossimPointCloudHandler::normalizeBlock().

{
   vector<ossimPointRecord::FIELD_CODES> code_list;
   if (m_fieldCode & ossimPointRecord::Intensity)
      code_list.push_back(ossimPointRecord::Intensity);
   if (m_fieldCode & ossimPointRecord::ReturnNumber)
      code_list.push_back(ossimPointRecord::ReturnNumber);
   if (m_fieldCode & ossimPointRecord::NumberOfReturns)
      code_list.push_back(ossimPointRecord::NumberOfReturns);
   if (m_fieldCode & ossimPointRecord::Red)
      code_list.push_back(ossimPointRecord::Red);
   if (m_fieldCode & ossimPointRecord::Green)
      code_list.push_back(ossimPointRecord::Green);
   if (m_fieldCode & ossimPointRecord::Blue)
      code_list.push_back(ossimPointRecord::Blue);
   if (m_fieldCode & ossimPointRecord::GpsTime)
      code_list.push_back(ossimPointRecord::GpsTime);
   if (m_fieldCode & ossimPointRecord::Infrared)
      code_list.push_back(ossimPointRecord::Infrared);
  return code_list;
}

getFieldMax()

void ossimPointBlock::getFieldMax	(	ossimPointRecord::FIELD_CODES	field,
		ossim_float32 &	value
	)		const

Definition at line 36 of file ossimPointBlock.cpp.

References empty(), ossimPointRecord::getField(), m_maxRecord, m_minMaxValid, ossim::nan(), and scanForMinMax().

{
   if (empty())
      value = ossim::nan();
   else if (!m_minMaxValid)
      scanForMinMax();

   value = m_maxRecord.getField(field);
}

getFieldMin()

void ossimPointBlock::getFieldMin	(	ossimPointRecord::FIELD_CODES	field,
		ossim_float32 &	value
	)		const

Definition at line 26 of file ossimPointBlock.cpp.

References empty(), ossimPointRecord::getField(), m_minMaxValid, m_minRecord, ossim::nan(), and scanForMinMax().

{
   if (empty())
      value = ossim::nan();
   else if (!m_minMaxValid)
      scanForMinMax();

   value = m_minRecord.getField(field);
}

getHashId()

virtual ossim_uint32 ossimPointBlock::getHashId ( ) const

inlinevirtual

Implements ossimDataObject.

Definition at line 78 of file ossimPointBlock.h.

{ return 0; }

getPoint() [1/2]

const ossimPointRecord * ossimPointBlock::getPoint ( ossim_uint32  point_offset ) const

virtual

Definition at line 55 of file ossimPointBlock.cpp.

References m_pointList.

{
   if (point_offset < m_pointList.size())
      return m_pointList[point_offset].get();
   return 0;
}

getPoint() [2/2]

ossimPointRecord * ossimPointBlock::getPoint ( ossim_uint32  point_offset )

virtual

Definition at line 62 of file ossimPointBlock.cpp.

References m_pointList.

{
   if (point_offset < m_pointList.size())
      return m_pointList[point_offset].get();
   return 0;
}

getPoints() [1/2]

virtual const PointList& ossimPointBlock::getPoints ( ) const

inlinevirtual

Definition at line 60 of file ossimPointBlock.h.

Referenced by ossimPointCloudHandler::getBlock().

{ return m_pointList; }

getPoints() [2/2]

virtual PointList& ossimPointBlock::getPoints ( )

inlinevirtual

Definition at line 61 of file ossimPointBlock.h.

{ return m_pointList; }

initialize()

virtual void ossimPointBlock::initialize ( )

inlinevirtual

Will allow derived classes to initialize their buffers.

This class does nothing with this and reset any internal attributes.

Implements ossimDataObject.

Definition at line 80 of file ossimPointBlock.h.

{};

isEqualTo()

virtual bool ossimPointBlock::isEqualTo ( const ossimDataObject &  , bool    ) const

inlinevirtual

Fulfills base class pure virtual.

TODO: Needs to be correctly implemented

Definition at line 77 of file ossimPointBlock.h.

{ return false; }

operator=()

const ossimPointBlock & ossimPointBlock::operator= ( const ossimPointBlock &  rhs )

virtual

Definition at line 69 of file ossimPointBlock.cpp.

References m_fieldCode, m_isNormalized, m_maxRecord, m_minMaxValid, m_minRecord, m_nullPCR, m_pointList, and size().

{
   ossim_uint32 numPoints = block.size();
   if (numPoints == 0)
      return *this;

   for (ossim_uint32 i=0; i<numPoints; ++i)
      m_pointList.push_back(new ossimPointRecord(*(block[i])));

   m_nullPCR = block.m_nullPCR;
   m_minRecord = block.m_minRecord;
   m_maxRecord = block.m_maxRecord;
   m_minMaxValid = block.m_minMaxValid;
   m_fieldCode = block.m_fieldCode;
   m_isNormalized = block.m_isNormalized;

   return *this;
}

operator[]() [1/2]

const ossimPointRecord* ossimPointBlock::operator[] ( ossim_uint32  i ) const

inline

Definition at line 57 of file ossimPointBlock.h.

{ return getPoint(i); }

operator[]() [2/2]

ossimPointRecord* ossimPointBlock::operator[] ( ossim_uint32  i )

inline

Definition at line 58 of file ossimPointBlock.h.

{ return getPoint(i); }

scanForMinMax()

void ossimPointBlock::scanForMinMax ( ) const

protected

Definition at line 143 of file ossimPointBlock.cpp.

References ossimPointRecord::getPosition(), ossimPointRecord::Green, ossimPointRecord::Intensity, m_maxRecord, m_minRecord, m_pointList, ossimPointRecord::Red, and size().

Referenced by getBounds(), getFieldMax(), and getFieldMin().

{
   ossim_uint32 numPoints = size();
   if (numPoints == 0)
      return;

   // Latch first point:
   m_minRecord = *(m_pointList[0].get());
   m_maxRecord = m_minRecord;
   ossimGpt minPos (m_minRecord.getPosition());
   ossimGpt maxPos (minPos);

   // For shorthand later:
   const ossimPointRecord::FIELD_CODES I = ossimPointRecord::Intensity;
   const ossimPointRecord::FIELD_CODES R = ossimPointRecord::Red;
   const ossimPointRecord::FIELD_CODES G = ossimPointRecord::Green;
   const ossimPointRecord::FIELD_CODES B = ossimPointRecord::Blue;
   const ossimPointRecord::FIELD_CODES S = ossimPointRecord::ReturnNumber;
   const ossimPointRecord::FIELD_CODES N = ossimPointRecord::NumberOfReturns;

   // If color available, latch the min for all bands as one to minimize color distortion:
   bool hasRGB = false;
   if (m_minRecord.hasFields(R|G|B))
   {
      hasRGB = true;
      ossim_float32 r = m_pointList[0]->getField(R);
      ossim_float32 g = m_pointList[0]->getField(G);
      ossim_float32 b = m_pointList[0]->getField(B);
      float minC = std::min(r, std::min(g, b));
      float maxC = std::max(r, std::max(g, b));
      m_minRecord.setField(R,   minC);
      m_minRecord.setField(G, minC);
      m_minRecord.setField(B,  minC);
      m_maxRecord.setField(R,   maxC);
      m_maxRecord.setField(G, maxC);
      m_maxRecord.setField(B,  maxC);
   }

   // Now loop over all points in file to latch min/max:
   for (ossim_uint32 i=0; i<numPoints; ++i)
   {
      if (m_pointList[i]->getPosition().lat < minPos.lat)
         minPos.lat = m_pointList[i]->getPosition().lat;
      if (m_pointList[i]->getPosition().lon < minPos.lon)
         minPos.lon = m_pointList[i]->getPosition().lon;
      if (m_pointList[i]->getPosition().hgt < minPos.hgt)
         minPos.hgt = m_pointList[i]->getPosition().hgt;

      if (m_pointList[i]->getPosition().lat > maxPos.lat)
         maxPos.lat = m_pointList[i]->getPosition().lat;
      if (m_pointList[i]->getPosition().lon > maxPos.lon)
         maxPos.lon = m_pointList[i]->getPosition().lon;
      if (m_pointList[i]->getPosition().hgt > maxPos.hgt)
         maxPos.hgt = m_pointList[i]->getPosition().hgt;

      if (m_minRecord.hasFields(I) &&  (m_minRecord.getField(I) > m_pointList[i]->getField(I)))
         m_minRecord.setField(I, m_pointList[i]->getField(I));

      if (m_minRecord.hasFields(S) &&  (m_minRecord.getField(S) > m_pointList[i]->getField(S)))
         m_minRecord.setField(S, m_pointList[i]->getField(S));

      if (m_minRecord.hasFields(N) &&  (m_minRecord.getField(N) > m_pointList[i]->getField(N)))
         m_minRecord.setField(N, m_pointList[i]->getField(N));

      if (hasRGB)
      {
         ossim_float32 r = m_pointList[i]->getField(R);
         ossim_float32 g = m_pointList[i]->getField(G);
         ossim_float32 b = m_pointList[i]->getField(B);

         float minC = std::min(r, std::min(g, b));
         if (m_minRecord.getField(R) > minC)
         {
            m_minRecord.setField(R, minC);
            m_minRecord.setField(G, minC);
            m_minRecord.setField(B, minC);
         }

         float maxC = std::max(r, std::max(g, b));
         if (m_maxRecord.getField(R) < maxC)
         {
            m_maxRecord.setField(R, maxC);
            m_maxRecord.setField(G, maxC);
            m_maxRecord.setField(B, maxC);
         }
      }
   } // end loop over all points

   m_minRecord.setPosition(minPos);
   m_maxRecord.setPosition(maxPos);
   m_minMaxValid = true;
}

setFieldCode()

void ossimPointBlock::setFieldCode

(

ossim_uint32

code

)

Initializes the desired fields to be stored.

This will affect future getBlock() calls. If the point list contains points from prior read, they will be deleted unless the points field code matches the code argument.

Definition at line 125 of file ossimPointBlock.cpp.

References clear(), getFieldCode(), and m_fieldCode.

Referenced by ossimPointCloudImageHandler::getTile().

{
   if (getFieldCode() != code)
      clear();

   m_fieldCode = code;
}

size()

virtual ossim_uint32 ossimPointBlock::size ( ) const

inlinevirtual

Returns allocated size.

The pointList may contain only null points if not assigned

Definition at line 34 of file ossimPointBlock.h.

Referenced by ossimPointCloudHandler::getBlock(), ossimGenericPointCloudHandler::getFileBlock(), ossimGenericPointCloudHandler::getNumPoints(), ossimPointCloudImageHandler::getTile(), ossimHlzTool::PatchProcessorJob::level2Test(), ossimPointCloudHandler::normalizeBlock(), operator=(), ossimPdalReader::parsePointView(), and scanForMinMax().

{ return (ossim_uint32)m_pointList.size(); }

Member Data Documentation

m_fieldCode

ossim_uint32 ossimPointBlock::m_fieldCode

mutableprotected

Definition at line 91 of file ossimPointBlock.h.

Referenced by addPoint(), dup(), getFieldCode(), getFieldCodesAsList(), operator=(), and setFieldCode().

m_isNormalized

bool ossimPointBlock::m_isNormalized

protected

Definition at line 92 of file ossimPointBlock.h.

Referenced by operator=().

m_maxRecord

ossimPointRecord ossimPointBlock::m_maxRecord

mutableprotected

Definition at line 88 of file ossimPointBlock.h.

Referenced by getBounds(), getFieldMax(), operator=(), and scanForMinMax().

m_minMaxValid

bool ossimPointBlock::m_minMaxValid

mutableprotected

Definition at line 89 of file ossimPointBlock.h.

Referenced by addPoint(), getBounds(), getFieldMax(), getFieldMin(), and operator=().

m_minRecord

ossimPointRecord ossimPointBlock::m_minRecord

mutableprotected

Definition at line 87 of file ossimPointBlock.h.

Referenced by getBounds(), getFieldMin(), operator=(), and scanForMinMax().

m_nullPCR

ossimPointRecord ossimPointBlock::m_nullPCR

protected

Definition at line 86 of file ossimPointBlock.h.

Referenced by operator=().

m_pointList

PointList ossimPointBlock::m_pointList

protected

Definition at line 90 of file ossimPointBlock.h.

Referenced by addPoint(), getFieldCode(), getPoint(), operator=(), and scanForMinMax().

---

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

• ossimPointBlock.h
• ossimPointBlock.cpp