pointgrid3Ddraw Class Reference

Draw the pointgrid3D ojbect. More...

#include <pointgrid3Ddraw.h>

Inheritance diagram for pointgrid3Ddraw:

Collaboration diagram for pointgrid3Ddraw:

List of all members.

Public Member Functions
	pointgrid3Ddraw (pointgrid3D const &pg_)
	Construct with point turned on.
	~pointgrid3Ddraw ()
	Cleanup.
void	update ()
	Update the graphics by writing to the graphics container.
Public Attributes
pointgrid3D const &	pg
	The object being drawn.
gobjQuadric *	quadric
	The sphere at the points.
bool	displaypoints
	Turn the points on.
bool	displayedges
	Display the grid lines.

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Detailed Description

Draw the pointgrid3D ojbect.

Call update() before drawing.

Some basic functionality such as displaying the points, displaying the edges. Simple set the boolean values to true.

Definition at line 17 of file pointgrid3Ddraw.h.

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Constructor & Destructor Documentation

pointgrid3Ddraw::pointgrid3Ddraw

(

pointgrid3D const &

pg_

)

Construct with point turned on.

Definition at line 4 of file pointgrid3Ddraw.cpp.

References displayedges, displaypoints, gobjQuadric::loops, quadric, gobjQuadric::radius, gobjQuadric::slices, and update().

  : gobjContainer(true), pg(_pg)
{
  displaypoints=true;

  quadric = new gobjQuadric();
  quadric->radius = 0.02;
  quadric->slices=20;
  quadric->loops=6;

  displayedges=true;

  update();
}

pointgrid3Ddraw::~pointgrid3Ddraw

(

)

Cleanup.

Definition at line 19 of file pointgrid3Ddraw.cpp.

References quadric.

{
  delete quadric;
}

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Member Function Documentation

void pointgrid3Ddraw::update

(

)

Update the graphics by writing to the graphics container.

Definition at line 24 of file pointgrid3Ddraw.cpp.

References displayedges, displaypoints, pointgrid3D::M, pointgrid3D::N, gobjContainer::nuke(), pg, pointgrid3D::pij(), pointgrid3D::pt, gobjContainer::push(), quadric, and r.

Referenced by pointgrid3Ddraw(), meshpatchtest::test02(), and meshpatchtest::test04().

{
  nuke();

  push( new gobjglPushAttrib(GL_LIGHTING) );
  push( new gobjglPushAttrib(GL_CURRENT_BIT) );

  if (displaypoints==true)
  {
    push(new gobjglEnable(GL_LIGHTING) );
    
    push( new gobjglColor3ub(0,255,0) );
    uintc sz = pg.M*pg.N;
    for (uint i=0; i<sz; ++i)
      push( new gobjMySphereDraw(pg.pt[i],quadric) );
  }

  if (displayedges==true)
  {
    push(new gobjglDisable(GL_LIGHTING) );

    push( new gobjglColor3ub(255,0,0) );

    uintc M = pg.M;
    uintc N = pg.N;
    uint r,k;
    push( new gobjglBegin(GL_LINE) ); 

    for (r=0; r<M; ++r)
    {
      for (k=1; k<N; ++k)
      {
        // Draw line pij(k-1,i) to pij(k,i)
        push( new gobjglVertex3f(pg.pij(k-1,r )) );
        push( new gobjglVertex3f(pg.pij(k,r )) );
      }
    }

    for (k=0; k<N; ++k)
    {
      for (r=1; r<M; ++r)
      {
        push( new gobjglVertex3f(pg.pij(k,r-1 )) );
        push( new gobjglVertex3f(pg.pij(k,r )) );
      }
    }

    push( new gobjglEnd() );

    push( new gobjglPopAttrib() );
    push( new gobjglPopAttrib() );
  }
}

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Member Data Documentation

bool pointgrid3Ddraw::displayedges

Display the grid lines.

Definition at line 31 of file pointgrid3Ddraw.h.

Referenced by pointgrid3Ddraw(), and update().

bool pointgrid3Ddraw::displaypoints

Turn the points on.

Definition at line 28 of file pointgrid3Ddraw.h.

Referenced by pointgrid3Ddraw(), and update().

pointgrid3D const& pointgrid3Ddraw::pg

The object being drawn.

Definition at line 22 of file pointgrid3Ddraw.h.

Referenced by update().

gobjQuadric* pointgrid3Ddraw::quadric

The sphere at the points.

Definition at line 25 of file pointgrid3Ddraw.h.

Referenced by pointgrid3Ddraw(), update(), and ~pointgrid3Ddraw().

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

• bezier/pointgrid3Ddraw.h
• bezier/pointgrid3Ddraw.cpp