gridBoundaryChain Class Reference

#include <gridWrap.h>

Collaboration diagram for gridBoundaryChain:

Public Member Functions
	gridBoundaryChain (gridWrap *gr, Int first_vline_index, Int n_vlines, Int *uline_indices, Int *inner_indices)
	~gridBoundaryChain ()
Int	getVlineIndex (Int i)
Int	getUlineIndex (Int i)
Real	get_u_value (Int i)
Real	get_v_value (Int i)
Int	get_nVlines ()
Int	getInnerIndex (Int i)
Real	getInner_u_value (Int i)
Real *	get_vertex (Int i)
gridWrap *	getGrid ()
void	leftEndFan (Int i, primStream *pStream)
void	rightEndFan (Int i, primStream *pStream)
Int	lookfor (Real v, Int i1, Int i2)
void	draw ()
void	drawInner ()

Private Attributes
gridWrap *	grid
Int	firstVlineIndex
Int	nVlines
Int *	ulineIndices
Int *	innerIndices
Real2 *	vertices

Detailed Description

Definition at line 96 of file gridWrap.h.

Constructor & Destructor Documentation

gridBoundaryChain()

gridBoundaryChain::gridBoundaryChain	(	gridWrap *	gr,
		Int	first_vline_index,
		Int	n_vlines,
		Int *	uline_indices,
		Int *	inner_indices
	)

Definition at line 177 of file gridWrap.cc.

: grid(gr), firstVlineIndex(first_vline_index), nVlines(n_vlines)
{
  ulineIndices = (Int*) malloc(sizeof(Int) * n_vlines);
  assert(ulineIndices);

  innerIndices = (Int*) malloc(sizeof(Int) * n_vlines);
  assert(innerIndices);

  vertices = (Real2*) malloc(sizeof(Real2) * n_vlines);
  assert(vertices);
  


  Int i;
  for(i=0; i<n_vlines; i++){
    ulineIndices[i] = uline_indices[i];
    innerIndices[i] = inner_indices[i];
  }
  
  for(i=0; i<n_vlines; i++){
    vertices[i][0] = gr->get_u_value(ulineIndices[i]);
    vertices[i][1] = gr->get_v_value(first_vline_index-i);
  }
}

~gridBoundaryChain()

gridBoundaryChain::~gridBoundaryChain ( )

inline

Definition at line 110 of file gridWrap.h.

    {
      free(innerIndices);
      free(ulineIndices);
      free(vertices);
    }

Member Function Documentation

draw()

void gridBoundaryChain::draw

(

)

Definition at line 209 of file gridWrap.cc.

{
  Int i;
  glBegin(GL_LINE_STRIP);
  for(i=0; i<nVlines; i++)
    {
      glVertex2fv(vertices[i]);
    }
  glEnd();
}

drawInner()

void gridBoundaryChain::drawInner

(

)

Definition at line 220 of file gridWrap.cc.

{
  Int i;
  for(i=1; i<nVlines; i++)
    {
      glBegin(GL_LINE_STRIP);
      glVertex2f(grid->get_u_value(innerIndices[i]), get_v_value(i-1) );
      glVertex2f(grid->get_u_value(innerIndices[i]), get_v_value(i) );
      glEnd();
    }
}

get_nVlines()

Int gridBoundaryChain::get_nVlines ( )

inline

Definition at line 123 of file gridWrap.h.

{return nVlines;}

Referenced by findNeckF(), and sampleMonoPolyRec().

get_u_value()

Real gridBoundaryChain::get_u_value ( Int  i )

inline

Definition at line 121 of file gridWrap.h.

{return vertices[i][0];}

Referenced by drawCorners(), sampleCompBot(), sampleCompTop(), sampleLeftOneGridStep(), and sampleMonoPolyRec().

get_v_value()

Real gridBoundaryChain::get_v_value ( Int  i )

inline

Definition at line 122 of file gridWrap.h.

{return vertices[i][1];}

Referenced by drawCorners(), drawInner(), findNeckF(), leftEndFan(), rightEndFan(), sampleCompBot(), sampleCompLeft(), sampleCompRight(), sampleCompTop(), sampleLeftOneGridStep(), sampleLeftSingleTrimEdgeRegion(), sampleLeftSingleTrimEdgeRegionGen(), sampleLeftStrip(), sampleLeftStripRec(), sampleLeftStripRecF(), sampleMonoPolyRec(), sampleRightOneGridStep(), and sampleRightStripRecF().

get_vertex()

Real* gridBoundaryChain::get_vertex ( Int  i )

inline

Definition at line 127 of file gridWrap.h.

{return vertices[i];}

Referenced by leftEndFan(), rightEndFan(), sampleCompBot(), sampleCompTop(), sampleLeftOneGridStepNoMiddle(), sampleLeftSingleTrimEdgeRegion(), sampleLeftSingleTrimEdgeRegionGen(), sampleRightOneGridStep(), sampleRightOneGridStepNoMiddle(), sampleRightSingleTrimEdgeRegion(), and sampleRightSingleTrimEdgeRegionGen().

getGrid()

gridWrap* gridBoundaryChain::getGrid ( )

inline

Definition at line 128 of file gridWrap.h.

{return grid;}

Referenced by sampleCompBot(), sampleCompBotSimple(), sampleCompTop(), sampleCompTopSimple(), sampleLeftOneGridStep(), sampleLeftSingleTrimEdgeRegion(), sampleLeftSingleTrimEdgeRegionGen(), and sampleRightOneGridStep().

getInner_u_value()

Real gridBoundaryChain::getInner_u_value ( Int  i )

inline

Definition at line 125 of file gridWrap.h.

{return grid->get_u_value(innerIndices[i]);}

Referenced by sampleLeftOneGridStep(), and sampleRightOneGridStep().

getInnerIndex()

Int gridBoundaryChain::getInnerIndex ( Int  i )

inline

Definition at line 124 of file gridWrap.h.

{return innerIndices[i];}

Referenced by sampleLeftOneGridStep(), sampleMonoPolyRec(), and sampleRightOneGridStep().

getUlineIndex()

Int gridBoundaryChain::getUlineIndex ( Int  i )

inline

Definition at line 120 of file gridWrap.h.

{return ulineIndices[i];}

Referenced by findNeckF(), leftEndFan(), rightEndFan(), sampleCompBot(), sampleCompBotSimple(), sampleCompTop(), sampleCompTopSimple(), sampleLeftOneGridStep(), sampleLeftSingleTrimEdgeRegion(), sampleLeftSingleTrimEdgeRegionGen(), sampleMonoPolyRec(), and sampleRightOneGridStep().

getVlineIndex()

Int gridBoundaryChain::getVlineIndex ( Int  i )

inline

Definition at line 119 of file gridWrap.h.

{return firstVlineIndex-i;}

Referenced by sampleCompBot(), sampleCompBotSimple(), sampleCompTop(), sampleCompTopSimple(), sampleLeftOneGridStep(), and sampleRightOneGridStep().

leftEndFan()

void gridBoundaryChain::leftEndFan	(	Int	i,
		primStream *	pStream
	)

Definition at line 273 of file gridWrap.cc.

{
  Int j;
  if(getUlineIndex(i) < getUlineIndex(i-1))
    {
      pStream->begin();
      pStream->insert(get_vertex(i-1));
      for(j=getUlineIndex(i); j<= getUlineIndex(i-1); j++)
    pStream->insert(grid->get_u_value(j), get_v_value(i));
      pStream->end(PRIMITIVE_STREAM_FAN);
    }
  else if(getUlineIndex(i) > getUlineIndex(i-1))
    {
      pStream->begin();
      pStream->insert(get_vertex(i));
      for(j=getUlineIndex(i); j>= getUlineIndex(i-1); j--)
    pStream->insert(grid->get_u_value(j), get_v_value(i-1));
      pStream->end(PRIMITIVE_STREAM_FAN);
    }
  /*otherwisem, the two are equal, so there is no fan to outout*/     
}

Referenced by sampleLeftOneGridStepNoMiddle().

lookfor()

Int gridBoundaryChain::lookfor	(	Real	v,
		Int	i1,
		Int	i2
	)

Definition at line 232 of file gridWrap.cc.

{
  Int mid;
  while(i1 < i2-1)
    {
      mid = (i1+i2)/2;
      if(v > vertices[mid][1])
    {
      i2 = mid;
    }
      else
    i1 = mid;
    }
  return i1;
}

Referenced by sampleCompLeft().

rightEndFan()

void gridBoundaryChain::rightEndFan	(	Int	i,
		primStream *	pStream
	)

Definition at line 249 of file gridWrap.cc.

{
  Int j;
  if(getUlineIndex(i) > getUlineIndex(i-1))
    {
      pStream->begin();
      pStream->insert(get_vertex(i-1));
      for(j=getUlineIndex(i-1); j<= getUlineIndex(i); j++)
    pStream->insert(grid->get_u_value(j), get_v_value(i));
      pStream->end(PRIMITIVE_STREAM_FAN);
    }
  else if(getUlineIndex(i) < getUlineIndex(i-1))
    {
      pStream->begin();
      pStream->insert(get_vertex(i));
      for(j=getUlineIndex(i-1); j>= getUlineIndex(i); j--)
    pStream->insert(grid->get_u_value(j), get_v_value(i-1));
      pStream->end(PRIMITIVE_STREAM_FAN);
    }
  //otherside, the two are equal, so there is no fan to output
}

Referenced by sampleRightOneGridStepNoMiddle(), sampleRightSingleTrimEdgeRegion(), and sampleRightSingleTrimEdgeRegionGen().

Member Data Documentation

firstVlineIndex

Int gridBoundaryChain::firstVlineIndex

private

Definition at line 98 of file gridWrap.h.

Referenced by getVlineIndex().

grid

gridWrap* gridBoundaryChain::grid

private

Definition at line 97 of file gridWrap.h.

Referenced by drawInner(), getGrid(), getInner_u_value(), leftEndFan(), and rightEndFan().

innerIndices

Int* gridBoundaryChain::innerIndices

private

Definition at line 101 of file gridWrap.h.

Referenced by drawInner(), getInner_u_value(), getInnerIndex(), gridBoundaryChain(), and ~gridBoundaryChain().

nVlines

Int gridBoundaryChain::nVlines

private

Definition at line 99 of file gridWrap.h.

Referenced by draw(), drawInner(), and get_nVlines().

ulineIndices

Int* gridBoundaryChain::ulineIndices

private

Definition at line 100 of file gridWrap.h.

Referenced by getUlineIndex(), gridBoundaryChain(), and ~gridBoundaryChain().

vertices

Real2* gridBoundaryChain::vertices

private

Definition at line 105 of file gridWrap.h.

Referenced by draw(), get_u_value(), get_v_value(), get_vertex(), gridBoundaryChain(), lookfor(), and ~gridBoundaryChain().

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

• dll/opengl/glu32/src/libnurbs/nurbtess/gridWrap.h
• dll/opengl/glu32/src/libnurbs/nurbtess/gridWrap.cc