ossimLsrRay Class Reference

#include <ossimLsrRay.h>

Public Member Functions
	ossimLsrRay ()
	ossimLsrRay (const ossimLsrRay &copy_this)
	ossimLsrRay (const ossimLsrPoint &origin, const ossimLsrVector &direction)
	ossimLsrRay (const ossimLsrPoint &origin, const ossimLsrPoint &towards)
	ossimLsrRay (const ossimLsrRay &convert_this, const ossimLsrSpace &new_space)
const ossimLsrRay &	operator= (const ossimLsrRay &r)
bool	operator== (const ossimLsrRay &r) const
bool	operator!= (const ossimLsrRay &r) const
const ossimLsrPoint &	origin () const
const ossimLsrVector &	direction () const
const ossimLsrSpace &	lsrSpace () const
	operator ossimEcefRay () const
bool	hasNans () const
void	makeNan ()
ossimLsrPoint	extend (const double &t) const
void	print (ostream &stream=ossimNotify(ossimNotifyLevel_INFO)) const

Private Attributes
ossimLsrPoint	theOrigin
ossimLsrVector	theDirection

Friends
ostream &	operator<< (ostream &os, const ossimLsrRay &instance)

Detailed Description

Definition at line 37 of file ossimLsrRay.h.

Constructor & Destructor Documentation

ossimLsrRay() [1/5]

ossimLsrRay::ossimLsrRay ( )

inline

CONSTRUCTORS:

Definition at line 43 of file ossimLsrRay.h.

{}

ossimLsrRay() [2/5]

ossimLsrRay::ossimLsrRay ( const ossimLsrRay &  copy_this )

inline

Definition at line 45 of file ossimLsrRay.h.

      : theOrigin(copy_this.theOrigin), theDirection(copy_this.theDirection) {}

ossimLsrRay() [3/5]

ossimLsrRay::ossimLsrRay	(	const ossimLsrPoint &	origin,
		const ossimLsrVector &	direction
	)

Definition at line 54 of file ossimLsrRay.cpp.

References direction(), hasNans(), ossimLsrPoint::lsrSpace(), ossimLsrVector::lsrSpace(), ossim::nan(), origin(), ossimNotify(), ossimNotifyLevel_FATAL, theDirection, and theOrigin.

   : theOrigin(origin),
     theDirection(direction.unitVector())
{
   if (origin.lsrSpace() != direction.lsrSpace() || hasNans())
   {
      ossimNotify(ossimNotifyLevel_FATAL) << "FATAL -- ossimLsrRay(ossimLsrPoint,ossimLsrVector) Constructor:"
                                          << "\n   The origin and direction LSR quantities do not share the"
                                          << "\n   same LSR space. Setting to NAN. Check the data for errors." << std::endl;

      theOrigin    = ossimLsrPoint (ossim::nan(), ossim::nan(), ossim::nan(),
                                    origin.lsrSpace());
      theDirection = ossimLsrVector(ossim::nan(), ossim::nan(), ossim::nan(),
                                    direction.lsrSpace());
   }    
}

ossimLsrRay() [4/5]

ossimLsrRay::ossimLsrRay	(	const ossimLsrPoint &	origin,
		const ossimLsrPoint &	towards
	)

Definition at line 78 of file ossimLsrRay.cpp.

References ossimLsrPoint::hasNans(), ossimLsrPoint::lsrSpace(), ossim::nan(), ossimLsrVector::normalize(), origin(), ossimNotify(), ossimNotifyLevel_FATAL, theDirection, and theOrigin.

   : theOrigin(origin)
{
   if ((origin.lsrSpace() != towards.lsrSpace())||
       origin.hasNans()||
       towards.hasNans() )
   {
      ossimNotify(ossimNotifyLevel_FATAL) << "ERROR -- ossimLsrRay(ossimLsrPoint,ossimLsrPoint) Constructor:"
                                          << "\n   The origin and direction LSR quantities do not share the"
                                          << "\n   same LSR space. Setting to NAN. Check the data for errors." << std::endl;
      
      theOrigin    = ossimLsrPoint (ossim::nan(), ossim::nan(), ossim::nan(),
                                    origin.lsrSpace());
      theDirection = ossimLsrVector(ossim::nan(), ossim::nan(), ossim::nan(),
                                    origin.lsrSpace());
   }
   else
   {
      theDirection = towards - origin;
      theDirection.normalize();
   }
}

ossimLsrRay() [5/5]

ossimLsrRay::ossimLsrRay ( const ossimLsrRay &  convert_this, const ossimLsrSpace &  new_space  )

inline

Definition at line 54 of file ossimLsrRay.h.

      : theOrigin(convert_this.theOrigin, new_space),
    theDirection(convert_this.theDirection, new_space) {}

Member Function Documentation

direction()

const ossimLsrVector& ossimLsrRay::direction ( ) const

inline

Definition at line 70 of file ossimLsrRay.h.

Referenced by ossimLsrRay().

{ return theDirection; }

extend()

ossimLsrPoint ossimLsrRay::extend ( const double &  t ) const

inline

METHOD: extend(t) Extends the ray by distance t (meters) from the origin to the LSR point returned (in same space).

Definition at line 95 of file ossimLsrRay.h.

References ossimLsrPoint::makeNan().

      {
         if(!hasNans())
         {
            return (theOrigin + theDirection*t);
         }

         ossimLsrPoint p;
         p.makeNan();
         return p;
      }

hasNans()

bool ossimLsrRay::hasNans ( ) const

inline

Definition at line 80 of file ossimLsrRay.h.

Referenced by ossimLsrRay().

   {
      return (theOrigin.hasNans()||theDirection.hasNans());
   }

lsrSpace()

const ossimLsrSpace& ossimLsrRay::lsrSpace ( ) const

inline

Definition at line 71 of file ossimLsrRay.h.

{ return theOrigin.lsrSpace(); }

makeNan()

void ossimLsrRay::makeNan ( )

inline

Definition at line 85 of file ossimLsrRay.h.

   {
      theOrigin.makeNan();
      theDirection.makeNan();
   }

operator ossimEcefRay()

ossimLsrRay::operator ossimEcefRay ( ) const

inline

CASTING OPERATOR: ossimEcefRay() Looks like a constructor for an ossimEcefRay but is an operation on this object. Returns the ossimEcefRay equivalent.

Definition at line 155 of file ossimLsrRay.h.

{
   return ossimEcefRay(ossimEcefPoint(theOrigin),
                       ossimEcefVector(theDirection));
}

operator!=()

bool ossimLsrRay::operator!= ( const ossimLsrRay &  r ) const

inline

Definition at line 144 of file ossimLsrRay.h.

{
   return !(*this == r);
}

operator=()

const ossimLsrRay & ossimLsrRay::operator= ( const ossimLsrRay &  r )

inline

OPERATORS:

Definition at line 126 of file ossimLsrRay.h.

References theDirection, and theOrigin.

{
   theOrigin = r.theOrigin;
   theDirection = r.theDirection;
   return *this;
}

operator==()

bool ossimLsrRay::operator== ( const ossimLsrRay &  r ) const

inline

Definition at line 136 of file ossimLsrRay.h.

References theDirection, and theOrigin.

{
   return ((theOrigin == r.theOrigin) && (theDirection == r.theDirection));
}

origin()

const ossimLsrPoint& ossimLsrRay::origin ( ) const

inline

DATA ACCESS METHODS:

Definition at line 69 of file ossimLsrRay.h.

Referenced by ossimLsrRay().

{ return theOrigin; }

print()

void ossimLsrRay::print ( ostream &  stream = ossimNotify(ossimNotifyLevel_INFO) ) const

inline

Debug Dump:

Definition at line 165 of file ossimLsrRay.h.

References theDirection, and theOrigin.

{
   os << "(ossimLsrRay)"
      << "\n   theOrigin    = " << theOrigin
      << "\n   theDirection = " << theDirection << ends;
}

Friends And Related Function Documentation

operator<<

ostream& operator<< ( ostream &  os, const ossimLsrRay &  instance  )

friend

Definition at line 112 of file ossimLsrRay.h.

      { instance.print(os); return os; }

Member Data Documentation

theDirection

ossimLsrVector ossimLsrRay::theDirection

private

Definition at line 117 of file ossimLsrRay.h.

Referenced by operator=(), operator==(), ossimLsrRay(), and print().

theOrigin

ossimLsrPoint ossimLsrRay::theOrigin

private

Definition at line 116 of file ossimLsrRay.h.

Referenced by operator=(), operator==(), ossimLsrRay(), and print().

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

• ossimLsrRay.h
• ossimLsrRay.cpp