rectBlock Class Reference

#include <rectBlock.h>

Public Member Functions
	rectBlock (gridBoundaryChain *left, gridBoundaryChain *right, Int beginVline, Int endVline)
	~rectBlock ()
Int	get_upGridLineIndex ()
Int	get_lowGridLineIndex ()
Int *	get_leftIndices ()
Int *	get_rightIndices ()
Int	num_quads ()
void	print ()
void	draw (Real *u_values, Real *v_values)

Private Attributes
Int	upGridLineIndex
Int	lowGridLineIndex
Int *	leftIndices
Int *	rightIndices

Detailed Description

Definition at line 39 of file rectBlock.h.

Constructor & Destructor Documentation

rectBlock()

rectBlock::rectBlock	(	gridBoundaryChain *	left,
		gridBoundaryChain *	right,
		Int	beginVline,
		Int	endVline
	)

Definition at line 47 of file rectBlock.cc.

{
  Int i;
 
 
  upGridLineIndex = left->getVlineIndex(beginVline);
 
  lowGridLineIndex = left->getVlineIndex(endVline);
 
  Int n = upGridLineIndex-lowGridLineIndex+1; //number of grid lines
  leftIndices = (Int*) malloc(sizeof(Int) * n);
  assert(leftIndices);
  rightIndices = (Int*) malloc(sizeof(Int) * n);
  assert(rightIndices);
  for(i=0; i<n; i++)
    {
 
      leftIndices[i] = left->getInnerIndex(i+beginVline);
      rightIndices[i] = right->getInnerIndex(i+beginVline);
    }
}

~rectBlock()

rectBlock::~rectBlock

(

)

Definition at line 70 of file rectBlock.cc.

{
  free(leftIndices);
  free(rightIndices);
}

Member Function Documentation

draw()

void rectBlock::draw	(	Real *	u_values,
		Real *	v_values
	)

Definition at line 88 of file rectBlock.cc.

{
  Int i,j,k;
  //upgrid line to bot grid line
#ifdef DEBUG
printf("upGridLineIndex=%i, lowGridLineIndex=%i\n", upGridLineIndex, lowGridLineIndex);
#endif
  for(k=0, i=upGridLineIndex; i > lowGridLineIndex; i--, k++)
    {
      glBegin(GL_QUAD_STRIP);
 
      for(j=leftIndices[k+1]; j<= rightIndices[k+1]; j++)
    {
      glVertex2f(u_values[j], v_values[i]);
      glVertex2f(u_values[j], v_values[i-1]);
    }
      glEnd();
    }  
}

get_leftIndices()

Int * rectBlock::get_leftIndices ( )

inline

Definition at line 51 of file rectBlock.h.

{return leftIndices;}

get_lowGridLineIndex()

Int rectBlock::get_lowGridLineIndex ( )

inline

Definition at line 50 of file rectBlock.h.

{return lowGridLineIndex;}

get_rightIndices()

Int * rectBlock::get_rightIndices ( )

inline

Definition at line 52 of file rectBlock.h.

{return rightIndices;}

get_upGridLineIndex()

Int rectBlock::get_upGridLineIndex ( )

inline

Definition at line 49 of file rectBlock.h.

{return upGridLineIndex;}

num_quads()

Int rectBlock::num_quads

(

)

Definition at line 109 of file rectBlock.cc.

{
  Int ret=0;
  Int k,i;
  for(k=0, i=upGridLineIndex; i>lowGridLineIndex; i--, k++)
    {
      ret += (rightIndices[k+1]-leftIndices[k+1]);
    }
  return ret;
}

print()

void rectBlock::print

(

)

Definition at line 76 of file rectBlock.cc.

{
  Int i;
  printf("block:\n");
  for(i=upGridLineIndex; i >= lowGridLineIndex; i--)
    {
      printf("gridline %i, (%i,%i)\n", i, leftIndices[upGridLineIndex-i], rightIndices[upGridLineIndex-i]);
    }
}

Member Data Documentation

leftIndices

Int* rectBlock::leftIndices

private

Definition at line 42 of file rectBlock.h.

Referenced by draw(), get_leftIndices(), num_quads(), print(), rectBlock(), and ~rectBlock().

lowGridLineIndex

Int rectBlock::lowGridLineIndex

private

Definition at line 41 of file rectBlock.h.

Referenced by draw(), get_lowGridLineIndex(), num_quads(), print(), and rectBlock().

rightIndices

Int* rectBlock::rightIndices

private

Definition at line 43 of file rectBlock.h.

Referenced by draw(), get_rightIndices(), num_quads(), print(), rectBlock(), and ~rectBlock().

upGridLineIndex

Int rectBlock::upGridLineIndex

private

Definition at line 40 of file rectBlock.h.

Referenced by draw(), get_upGridLineIndex(), num_quads(), print(), and rectBlock().

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

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