ossimPolyLine Class Reference

#include <ossimPolyLine.h>

Public Member Functions
	ossimPolyLine ()
	ossimPolyLine (const vector< ossimIpt > &polygon)
	ossimPolyLine (const vector< ossimDpt > &polygon)
	ossimPolyLine (int numVertices, const ossimDpt *vertex_array)
	ossimPolyLine (const ossimPolyLine &copy_this)
	ossimPolyLine (const ossimPolygon &polygon)
	ossimPolyLine (ossimDpt v1, ossimDpt v2, ossimDpt v3, ossimDpt v4)
	ossimPolyLine (const ossimIrect &rect)
	ossimPolyLine (const ossimDrect &rect)
	~ossimPolyLine ()
ossimDpt &	operator[] (int index)
const ossimDpt &	operator[] (int index) const
ossim_uint32	getNumberOfVertices () const
void	getIntegerBounds (ossim_int32 &minX, ossim_int32 &minY, ossim_int32 &maxX, ossim_int32 &maxY) const
void	getBounds (double &minX, double &minY, double &maxX, double &maxY) const
void	getBoundingRect (ossimDrect &rect) const
ossimDrect	getBoundingRect () const
void	roundToIntegerBounds (bool compress=true)
void	clear ()
void	addPoint (const ossimDpt &pt)
void	addPoint (double x, double y)
void	addAttribute (const ossimString &attribute)
ossimDpt	midPoint () const
bool	hasNans () const
ossim_uint32	size ()
void	resize (ossim_uint32 newSize)
const vector< ossimDpt > &	getVertexList () const
vector< ossimDpt > &	getVertexList ()
vector< ossimString > &	getAttributeList ()
bool	clipToRect (vector< ossimPolyLine > &result, const ossimDrect &rect) const
bool	isWithin (const ossimDrect &rect) const
bool	pointWithin (const ossimDpt &point) const
bool	isPointWithin (const ossimDpt &point) const
bool	vertex (int index, ossimDpt &tbd_vertex) const
bool	nextVertex (ossimDpt &tbd_vertex) const
void	reverseOrder ()
const ossimPolyLine &	operator= (const ossimPolyLine &copy_this)
const ossimPolyLine &	operator= (const vector< ossimDpt > &vertexList)
const ossimPolyLine &	operator= (const vector< ossimIpt > &vertexList)
const ossimPolyLine &	operator= (const ossimIrect &rect)
const ossimPolyLine &	operator= (const ossimPolygon &polygon)
const ossimPolyLine &	operator= (const ossimDrect &rect)
bool	operator== (const ossimPolyLine &compare_this) const
bool	operator!= (const ossimPolyLine &compare_this) const
const ossimPolyLine &	operator*= (const ossimDpt &scale)
const ossimPolyLine &	operator*= (double scale)
ossimPolyLine	operator* (const ossimDpt &scale) const
ossimPolyLine	operator* (double scale) const
void	print (ostream &os) const
bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)

Protected Attributes
vector< ossimDpt >	theVertexList
vector< ossimString >	theAttributeList
ossim_int32	theCurrentVertex

Friends
ostream &	operator<< (ostream &, const ossimPolyLine &)

Detailed Description

---

CLASS: ossimPolyLine

Definition at line 34 of file ossimPolyLine.h.

Constructor & Destructor Documentation

ossimPolyLine() [1/9]

ossimPolyLine::ossimPolyLine ( )

inline

Definition at line 37 of file ossimPolyLine.h.

      :theCurrentVertex(0)
      {}

ossimPolyLine() [2/9]

ossimPolyLine::ossimPolyLine

(

const vector< ossimIpt > &

polygon

)

Definition at line 23 of file ossimPolyLine.cpp.

References theVertexList.

   :theCurrentVertex(0)
{
   for (std::vector<ossimIpt>::const_iterator iter = polyLine.begin();
      iter != polyLine.end(); ++iter)
   {
      theVertexList.push_back(ossimDpt(*iter));
   }
}

ossimPolyLine() [3/9]

ossimPolyLine::ossimPolyLine

(

const vector< ossimDpt > &

polygon

)

Definition at line 33 of file ossimPolyLine.cpp.

References theVertexList.

   :theCurrentVertex(0)
{
   theVertexList = polyLine;
}

ossimPolyLine() [4/9]

ossimPolyLine::ossimPolyLine	(	int	numVertices,
		const ossimDpt *	vertex_array
	)

Definition at line 43 of file ossimPolyLine.cpp.

References theVertexList.

   : theCurrentVertex(0)
{
   theVertexList.insert(theVertexList.begin(),
                        v, v+numVertices);
}

ossimPolyLine() [5/9]

ossimPolyLine::ossimPolyLine

(

const ossimPolyLine &

copy_this

)

Definition at line 54 of file ossimPolyLine.cpp.

   :theCurrentVertex(0)
{
   *this = polyLine;
}

ossimPolyLine() [6/9]

ossimPolyLine::ossimPolyLine

(

const ossimPolygon &

polygon

)

Definition at line 93 of file ossimPolyLine.cpp.

References ossimPolygon::getNumberOfVertices(), n, and theVertexList.

   :theVertexList(polygon.getNumberOfVertices()+1),
    theCurrentVertex(0)
{
   ossim_uint32 n = polygon.getNumberOfVertices();
   
   if(n)
   {
      for(ossim_uint32 i = 0; i < n; ++i)
      {
         theVertexList[i] = polygon[i];
      }

      theVertexList[n] = polygon[n-1];
   }
   else
   {
      theVertexList.clear();
   }
}

ossimPolyLine() [7/9]

ossimPolyLine::ossimPolyLine	(	ossimDpt	v1,
		ossimDpt	v2,
		ossimDpt	v3,
		ossimDpt	v4
	)

CONSTRUCTOR: Provided for convenience. Does not imply the polygon is limited to four vertices:

Definition at line 60 of file ossimPolyLine.cpp.

References theVertexList.

   : theVertexList(4),
     theCurrentVertex(0)
{
   theVertexList[0] = v1;
   theVertexList[1] = v2;
   theVertexList[2] = v3;
   theVertexList[3] = v4;
}

ossimPolyLine() [8/9]

ossimPolyLine::ossimPolyLine

(

const ossimIrect &

rect

)

Definition at line 73 of file ossimPolyLine.cpp.

References ossimIrect::ll(), ossimIrect::lr(), theVertexList, ossimIrect::ul(), and ossimIrect::ur().

   : theVertexList(4),
     theCurrentVertex(0)
{
   theVertexList[0] = rect.ul();
   theVertexList[1] = rect.ur();
   theVertexList[2] = rect.lr();
   theVertexList[3] = rect.ll();
}

ossimPolyLine() [9/9]

ossimPolyLine::ossimPolyLine

(

const ossimDrect &

rect

)

Definition at line 83 of file ossimPolyLine.cpp.

References ossimDrect::ll(), ossimDrect::lr(), theVertexList, ossimDrect::ul(), and ossimDrect::ur().

   : theVertexList(4),
     theCurrentVertex(0)
{
   theVertexList[0] = rect.ul();
   theVertexList[1] = rect.ur();
   theVertexList[2] = rect.lr();
   theVertexList[3] = rect.ll();
}

~ossimPolyLine()

ossimPolyLine::~ossimPolyLine

(

)

Definition at line 118 of file ossimPolyLine.cpp.

{
}

Member Function Documentation

addAttribute()

void ossimPolyLine::addAttribute ( const ossimString &  attribute )

inline

Definition at line 115 of file ossimPolyLine.h.

Referenced by ossimVpfAnnotationFeatureInfo::readAttributes().

     {
       theAttributeList.push_back( attribute );
     }

addPoint() [1/2]

void ossimPolyLine::addPoint ( const ossimDpt &  pt )

inline

Definition at line 107 of file ossimPolyLine.h.

Referenced by clipToRect(), ossimGeoAnnotationMultiPolyLineObject::loadState(), and ossimVpfAnnotationFeatureInfo::readEdge().

      {
         theVertexList.push_back(pt);
      }

addPoint() [2/2]

void ossimPolyLine::addPoint ( double  x, double  y  )

inline

Definition at line 111 of file ossimPolyLine.h.

References x, and y.

      {
         theVertexList.push_back(ossimDpt(x, y));
      }

clear()

void ossimPolyLine::clear ( )

inline

Definition at line 103 of file ossimPolyLine.h.

Referenced by clipToRect(), ossimGeoAnnotationMultiPolyLineObject::loadState(), and ossimVpfAnnotationFeatureInfo::readEdge().

      {
         theVertexList.clear();
      }

clipToRect()

bool ossimPolyLine::clipToRect	(	vector< ossimPolyLine > &	result,
		const ossimDrect &	rect
	)		const

Definition at line 256 of file ossimPolyLine.cpp.

References addPoint(), clear(), ossimDrect::clip(), getNumberOfVertices(), ossimDrect::pointWithin(), and theVertexList.

Referenced by ossimAnnotationMultiPolyObject::getNewClippedObject(), and ossimAnnotationPolyObject::getNewClippedObject().

{
   result.clear();
   
   if(theVertexList.size() <1) return false;

   ossimPolyLine currentPoly;

   if(theVertexList.size() == 1)
   {
      rect.pointWithin(theVertexList[0]);
      currentPoly.addPoint(theVertexList[0]);
      result.push_back(currentPoly);
   }
   else
   {
      ossimDpt pt1 = theVertexList[0];
      ossimDpt pt2 = theVertexList[1];
      ossim_uint32 i = 1;
      
      while(i < theVertexList.size())
      {
         
         bool p1Inside = rect.pointWithin(pt1);
         bool p2Inside = rect.pointWithin(pt2);

         if(p1Inside&&p2Inside) // both inside so save the first
         {
            currentPoly.addPoint(pt1);
            pt1 = pt2;            
         }
         // going from inside to outside
         else if(p1Inside&&
                 !p2Inside)
         {
            currentPoly.addPoint(pt1);
            ossimDpt save = pt2;
            if(rect.clip(pt1, pt2))
            {
               currentPoly.addPoint(pt2);
               result.push_back(currentPoly);

               currentPoly.clear();
            }
            pt2  = save;
            pt1  = save;
         }// going outside to the inside
         else if(!p1Inside&&
                 p2Inside)
         {            
            if(rect.clip(pt1, pt2))
            {
               currentPoly.addPoint(pt1);
            }
            pt1 = pt2;
           
         }
         else // both outside must do a clip to see if crosses rect
         {
            ossimDpt p1 = pt1;
            ossimDpt p2 = pt2;

            if(rect.clip(p1, p2))
            {
               currentPoly.addPoint(p1);
               currentPoly.addPoint(p2);
            }
            pt1 = pt2;
         }
         ++i;
         
         if(i < theVertexList.size())
         {
            pt2 = theVertexList[i];
         }            
      }
      if(rect.pointWithin(pt2))
      {
         currentPoly.addPoint(pt2);
      }
   }

   if(currentPoly.getNumberOfVertices() > 0)
   {
      result.push_back(currentPoly);
   }
   
   return (result.size()>0);
}   

getAttributeList()

vector<ossimString>& ossimPolyLine::getAttributeList ( )

inline

Definition at line 144 of file ossimPolyLine.h.

      {
         return theAttributeList;
      }

getBoundingRect() [1/2]

void ossimPolyLine::getBoundingRect ( ossimDrect &  rect ) const

inline

Definition at line 83 of file ossimPolyLine.h.

      {
         ossim_int32 minX;
         ossim_int32 minY;
         ossim_int32 maxX;
         ossim_int32 maxY;
         getIntegerBounds(minX, minY, maxX, maxY);
         rect = ossimDrect(minX, minY, maxX, maxY);
         
      }

getBoundingRect() [2/2]

ossimDrect ossimPolyLine::getBoundingRect ( ) const

inline

Definition at line 93 of file ossimPolyLine.h.

      {
         ossimDrect result;

         getBoundingRect(result);

         return result;
      }

getBounds()

void ossimPolyLine::getBounds	(	double &	minX,
		double &	minY,
		double &	maxX,
		double &	maxY
	)		const

Definition at line 200 of file ossimPolyLine.cpp.

References max, min, ossim::nan(), theVertexList, x, and y.

{
   ossim_int32 npoly = (ossim_int32)theVertexList.size();
   
   if(npoly)
   {
      int i = 0;
      minX = theVertexList[0].x;
      maxX = theVertexList[0].x;
      minY = theVertexList[0].y;
      maxY = theVertexList[0].y;
      
      for(i =1; i < npoly; ++i)
      {
         minX = std::min(theVertexList[i].x, minX);
         maxX = std::max(theVertexList[i].x, maxX);
         minY = std::min(theVertexList[i].y, minY);
         maxY = std::max(theVertexList[i].y, maxY);
      }
   }
   else
   {
      minX = ossim::nan();
      minY = ossim::nan();
      maxX = ossim::nan();
      maxY = ossim::nan();
   }
}

getIntegerBounds()

void ossimPolyLine::getIntegerBounds	(	ossim_int32 &	minX,
		ossim_int32 &	minY,
		ossim_int32 &	maxX,
		ossim_int32 &	maxY
	)		const

Definition at line 164 of file ossimPolyLine.cpp.

References max, min, OSSIM_INT_NAN, theVertexList, x, and y.

{
   ossim_int32 npoly = (ossim_int32)theVertexList.size();
   int i = 0;
   
   if(npoly)
   {
      minX = (ossim_int32)floor(theVertexList[0].x);
      maxX = (ossim_int32)ceil(theVertexList[0].x);
      minY = (ossim_int32)floor(theVertexList[0].y);
      maxY = (ossim_int32)ceil(theVertexList[0].y);
      
      for(i =1; i < npoly; ++i)
      {
         minX = std::min((ossim_int32)floor(theVertexList[i].x),
                         (ossim_int32)minX);
         maxX = std::max((ossim_int32)ceil(theVertexList[i].x),
                         (ossim_int32)maxX);
         minY = std::min((ossim_int32)floor(theVertexList[i].y),
                         (ossim_int32)minY);
         maxY = std::max((ossim_int32)ceil(theVertexList[i].y),
                         (ossim_int32)maxY);
      }
   }
   else
   {
      minX = OSSIM_INT_NAN;
      minY = OSSIM_INT_NAN;
      maxX = OSSIM_INT_NAN;
      maxY = OSSIM_INT_NAN;
   }
}

getNumberOfVertices()

ossim_uint32 ossimPolyLine::getNumberOfVertices ( ) const

inline

Definition at line 70 of file ossimPolyLine.h.

Referenced by clipToRect(), ossimAnnotationMultiPolyLineObject::draw(), and ossimGeoAnnotationMultiPolyLineObject::saveState().

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

getVertexList() [1/2]

const vector<ossimDpt>& ossimPolyLine::getVertexList ( ) const

inline

Definition at line 135 of file ossimPolyLine.h.

      {
         return theVertexList;
      }

getVertexList() [2/2]

vector<ossimDpt>& ossimPolyLine::getVertexList ( )

inline

Definition at line 140 of file ossimPolyLine.h.

      {
         return theVertexList;
      }

hasNans()

bool ossimPolyLine::hasNans

(

)

const

will sequence through the polygon and check to see if any values are NAN

Definition at line 148 of file ossimPolyLine.cpp.

References theVertexList.

{
   int upper = (int)theVertexList.size();
   int i = 0;

   for(i = 0; i < upper; ++i)
   {
      if(theVertexList[i].hasNans())
      {
         return true;
      }
   }

   return false;
}

isPointWithin()

bool ossimPolyLine::isPointWithin

(

const ossimDpt &

point

)

const

Definition at line 347 of file ossimPolyLine.cpp.

References ossimLine::isPointWithin(), and theVertexList.

{
   if(theVertexList.size() == 1)
   {
      return (point == theVertexList[0]);
   }
   else
   {
      for(ossim_uint32 i = 1; i < theVertexList.size(); ++i)
      {
         if(ossimLine(theVertexList[i-1],
                      theVertexList[i]).isPointWithin(point))
         {
            return true;
         }
      }
   }
   
   return false;
}

isWithin()

bool ossimPolyLine::isWithin

(

const ossimDrect &

rect

)

const

Will clip this poly line list to the past in rect and will return true if any part of this object is visible within the rectangle;

Definition at line 232 of file ossimPolyLine.cpp.

References ossimDrect::clip(), ossimDrect::pointWithin(), and theVertexList.

{
   if(theVertexList.size() == 1)
   {
      return rect.pointWithin(theVertexList[0]);
   }
   else if(theVertexList.size() > 1)
   {
      for(ossim_uint32 i = 0; i < (theVertexList.size() - 1); ++i)
      {
         ossimDpt p1 = theVertexList[i];
         ossimDpt p2 = theVertexList[i+1];
         
         if(rect.clip(p1, p2))
         {
            return true;
         }
      }
   }

   return false;
}

loadState()

bool ossimPolyLine::loadState	(	const ossimKeywordlist &	kwl,
		const char *	prefix = 0
	)

Definition at line 541 of file ossimPolyLine.cpp.

References ossimKeywordlist::find().

{
   const char* number_vertices = kwl.find(prefix, NUMBER_VERTICES_KW);
   int i = 0;

   theVertexList.clear();
   int vertexCount = ossimString(number_vertices).toLong();
   double x = 0.0, y =0.0;
   for(i = 0; i < vertexCount; ++i)
   {
      ossimString v = kwl.find(prefix, (ossimString("v")+ossimString::toString(i)).c_str());
      v = v.trim();

      istringstream vStream(v);
      vStream >> x >> y;
      theVertexList.push_back(ossimDpt(x,y));
   }

   return true;
}

midPoint()

ossimDpt ossimPolyLine::midPoint

(

)

const

nextVertex()

bool ossimPolyLine::nextVertex

(

ossimDpt &

tbd_vertex

)

const

METHOD: nextVertex() Assigns the ossimDpt tbd_vertex following the current vertex. The current vertex is initialized with a call to vertex(int), or after the last vertex is reached. Returns false if no vertex defined. Intended to be when cycling through all vertices.

Definition at line 382 of file ossimPolyLine.cpp.

References theCurrentVertex, and theVertexList.

{
   ++theCurrentVertex;
   if(theCurrentVertex >= (ossim_int32)theVertexList.size())
   {
      return false;
   }
   tbd_vertex = theVertexList[theCurrentVertex];
   
   return true;
}

operator!=()

bool ossimPolyLine::operator!= ( const ossimPolyLine &  compare_this ) const

inline

Definition at line 230 of file ossimPolyLine.h.

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

operator*() [1/2]

ossimPolyLine ossimPolyLine::operator*

(

const ossimDpt &

scale

)

const

Definition at line 482 of file ossimPolyLine.cpp.

References theVertexList, ossimDpt::x, and ossimDpt::y.

{
   ossimPolyLine result(*this);

   int i = 0;
   int upper = (int)theVertexList.size();
   for(i = 0; i < upper; ++i)
   {
      result.theVertexList[i].x*=scale.x;
      result.theVertexList[i].y*=scale.y;
   }

   return result;
}

operator*() [2/2]

ossimPolyLine ossimPolyLine::operator* ( double  scale ) const

inline

Definition at line 206 of file ossimPolyLine.h.

      {
         return ((*this)*ossimDpt(scale, scale));
      }

operator*=() [1/2]

const ossimPolyLine & ossimPolyLine::operator*=

(

const ossimDpt &

scale

)

Definition at line 468 of file ossimPolyLine.cpp.

References theVertexList, ossimDpt::x, and ossimDpt::y.

{
   int upper = (int)theVertexList.size();
   int i = 0;
   
   for(i = 0; i < upper; ++i)
   {
      theVertexList[i].x*=scale.x;
      theVertexList[i].y*=scale.y;
   }
   
   return *this;
}

operator*=() [2/2]

const ossimPolyLine& ossimPolyLine::operator*= ( double  scale )

inline

Definition at line 200 of file ossimPolyLine.h.

      {
         return ((*this)*=ossimDpt(scale, scale));
      }

operator=() [1/6]

const ossimPolyLine & ossimPolyLine::operator=

(

const ossimPolyLine &

copy_this

)

OPERATORS: (Some are inlined at bottom)

Definition at line 419 of file ossimPolyLine.cpp.

References theAttributeList, theCurrentVertex, and theVertexList.

{
   theVertexList    = polyLine.theVertexList;
   theCurrentVertex = polyLine.theCurrentVertex;
   theAttributeList = polyLine.theAttributeList;
   
   return *this;
}

operator=() [2/6]

const ossimPolyLine & ossimPolyLine::operator=

(

const vector< ossimDpt > &

vertexList

)

Definition at line 428 of file ossimPolyLine.cpp.

References theCurrentVertex, and theVertexList.

{
   theVertexList    = vertexList;
   theCurrentVertex = 0;
   
   return *this;
}

operator=() [3/6]

const ossimPolyLine & ossimPolyLine::operator=

(

const vector< ossimIpt > &

vertexList

)

Definition at line 436 of file ossimPolyLine.cpp.

References theCurrentVertex, and theVertexList.

{
   theVertexList.clear();
   for (std::vector<ossimIpt>::const_iterator iter = vertexList.begin();
      iter != vertexList.end(); ++iter)
   {
      theVertexList.push_back(*iter);
   }
   
   theCurrentVertex = 0;
   
   return *this;
}

operator=() [4/6]

const ossimPolyLine& ossimPolyLine::operator=

(

const ossimIrect &

rect

)

operator=() [5/6]

const ossimPolyLine & ossimPolyLine::operator=

(

const ossimPolygon &

polygon

)

Definition at line 395 of file ossimPolyLine.cpp.

References ossimPolygon::getNumberOfVertices(), n, theCurrentVertex, and theVertexList.

{
   theCurrentVertex = 0;
   ossim_uint32 n = polygon.getNumberOfVertices();
   
   if(n)
   {
      theVertexList.resize(n+1);
      
      for(ossim_uint32 i = 0; i < n; ++i)
      {
         theVertexList[i] = polygon[i];
      }
      
      theVertexList[n] = polygon[n-1];
   }
   else
   {
      theVertexList.clear();
   }

   return *this;
}

operator=() [6/6]

const ossimPolyLine& ossimPolyLine::operator=

(

const ossimDrect &

rect

)

operator==()

bool ossimPolyLine::operator==

(

const ossimPolyLine &

compare_this

)

const

Definition at line 454 of file ossimPolyLine.cpp.

References theVertexList.

{
   if( (theVertexList.size() != polyLine.theVertexList.size()))
   {
      return false;
   }
   if(!theVertexList.size() && polyLine.theVertexList.size())
   {
      return true;
   }

   return (theVertexList == polyLine.theVertexList);
}

operator[]() [1/2]

ossimDpt& ossimPolyLine::operator[] ( int  index )

inline

Definition at line 61 of file ossimPolyLine.h.

      {
         return theVertexList[index];
      }

operator[]() [2/2]

const ossimDpt& ossimPolyLine::operator[] ( int  index ) const

inline

Definition at line 65 of file ossimPolyLine.h.

      {
         return theVertexList[index];
      }

pointWithin()

bool ossimPolyLine::pointWithin ( const ossimDpt &  point ) const

inline

METHOD: pointWithin(ossimDpt) Returns TRUE if point is inside polygon.

Definition at line 164 of file ossimPolyLine.h.

      {
         return isPointWithin(point);
      }

print()

void ossimPolyLine::print

(

ostream &

os

)

const

METHOD: print()

Definition at line 507 of file ossimPolyLine.cpp.

References theVertexList.

Referenced by operator<<().

{
   copy(theVertexList.begin(),
        theVertexList.end(),
        ostream_iterator<ossimDpt>(os, "\n"));
}

resize()

void ossimPolyLine::resize ( ossim_uint32  newSize )

inline

Definition at line 131 of file ossimPolyLine.h.

  {
    theVertexList.resize(newSize);
  }

reverseOrder()

void ossimPolyLine::reverseOrder

(

)

Definition at line 498 of file ossimPolyLine.cpp.

References theVertexList.

{
   std::reverse(theVertexList.begin(), theVertexList.end());   
}

roundToIntegerBounds()

void ossimPolyLine::roundToIntegerBounds

(

bool

compress = true

)

Definition at line 122 of file ossimPolyLine.cpp.

References theCurrentVertex, and theVertexList.

{
  int i = 0;
  for(i = 0; i < (int)theVertexList.size(); ++i)
    {
      theVertexList[i] = ossimIpt(theVertexList[i]);
    }
  if(compress&&theVertexList.size())
    {
      vector<ossimDpt> polyLine;
      
      polyLine.push_back(theVertexList[0]);
      ossimDpt testPt = theVertexList[0];
      for(i=1; i < (int)theVertexList.size(); ++i)
    {
      if(testPt!=theVertexList[i])
        {
          testPt = theVertexList[i];
          polyLine.push_back(testPt);
        }
    }
      theVertexList    = polyLine;
      theCurrentVertex = 0;
    }
}

saveState()

bool ossimPolyLine::saveState	(	ossimKeywordlist &	kwl,
		const char *	prefix = 0
	)		const

Definition at line 514 of file ossimPolyLine.cpp.

References ossimKeywordlist::add(), and ossimKeywordNames::TYPE_KW.

{
   int i = 0;
   kwl.add(prefix,
           ossimKeywordNames::TYPE_KW,
           "ossimPolyLine",
           true);
   kwl.add(prefix,
           NUMBER_VERTICES_KW,
           (int)theVertexList.size(),
           true);
   for(i = 0; i < (int)theVertexList.size();++i)
   {
      ossimString vert = "v"+ossimString::toString(i);;
      ossimString value = (ossimString::toString(theVertexList[i].x) + " " +
                           ossimString::toString(theVertexList[i].y) );
      kwl.add(prefix,
              vert.c_str(),
              value.c_str(),
              true);
   }
   ossimString order = "";
   
   return true;
}

size()

ossim_uint32 ossimPolyLine::size ( )

inline

Definition at line 127 of file ossimPolyLine.h.

Referenced by ossimGeoAnnotationMultiPolyLineObject::loadState().

  {
    return getNumberOfVertices();
  }

vertex()

bool ossimPolyLine::vertex	(	int	index,
		ossimDpt &	tbd_vertex
	)		const

METHOD: vertex(index) Returns the ossimDpt vertex given the index. Returns false if no vertex defined.

Definition at line 368 of file ossimPolyLine.cpp.

References theCurrentVertex, and theVertexList.

{
   if((index >= (int)theVertexList.size()) ||
      (index < 0))
   {
      return false;
   }

   tbd_vertex = theVertexList[index];
   theCurrentVertex = index;

   return true;
}

Friends And Related Function Documentation

operator<<

ostream& operator<< ( ostream &  os, const ossimPolyLine &  polyLine  )

friend

Definition at line 235 of file ossimPolyLine.h.

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

Member Data Documentation

theAttributeList

vector<ossimString> ossimPolyLine::theAttributeList

protected

Definition at line 225 of file ossimPolyLine.h.

Referenced by operator=().

theCurrentVertex

ossim_int32 ossimPolyLine::theCurrentVertex

mutableprotected

Definition at line 227 of file ossimPolyLine.h.

Referenced by nextVertex(), operator=(), roundToIntegerBounds(), and vertex().

theVertexList

vector<ossimDpt> ossimPolyLine::theVertexList

protected

Definition at line 224 of file ossimPolyLine.h.

Referenced by clipToRect(), getBounds(), getIntegerBounds(), hasNans(), isPointWithin(), isWithin(), nextVertex(), operator*(), operator*=(), operator=(), operator==(), ossimPolyLine(), print(), reverseOrder(), roundToIntegerBounds(), and vertex().

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

• ossimPolyLine.h
• ossimPolyLine.cpp