meshrect Class Reference

Surface as a rectangular bezier patches. More...

#include <meshrect.h>

Collaboration diagram for meshrect:

List of all members.

Public Member Functions
pt3 &	pij (uintc i, uintc j)
	i is the x-axis, j is the y-axis.
pt3 const &	pij (uintc i, uintc j) const
	i is the x-axis, j is the y-axis.
	meshrect (uintc M_, uintc N_)
	Create a surface of points with uniform x and y values between and includeing [0.0,1.0].
	~meshrect ()
	Cleanup.
template<typename F >
void	func (F &f)
	Apply a function over the surface to calculate the z value.
void	print () const
	Print the mesh as a 2D array.
Public Attributes
uintc	M
	M partitions of X-axis.
uintc	N
	N partitions of Y-axis.
pt3 *	mat
	The points in the 2D matrix.

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Detailed Description

Surface as a rectangular bezier patches.

(x,y) defines the surface with height z.

Definition at line 14 of file meshrect.h.

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Constructor & Destructor Documentation

meshrect::meshrect	(	uintc	M_,
		uintc	N_
	)

Create a surface of points with uniform x and y values between and includeing [0.0,1.0].

Definition at line 7 of file meshrect.cpp.

References M, mat, N, and pij().

  : M(M_), N(N_)
{
  mat = new pt3[M*N];
  assert(mat!=0);

  double const dx = 1.0/((double)M-1.0);
  double const dy = 1.0/((double)N-1.0);

  for (uint j=0; j<N; ++j)
  {
    for (uint i=0; i<M; ++i)
      pij(i,j) = pt3(dx*i,dy*(N-1-j),0.0);
  }
}

meshrect::~meshrect

(

)

Cleanup.

Definition at line 23 of file meshrect.cpp.

References mat.

{
  delete[] mat;
}

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Member Function Documentation

template<typename F >

void meshrect::func

(

F &

f

)

[inline]

Apply a function over the surface to calculate the z value.

Definition at line 43 of file meshrect.h.

References M, mat, and N.

  {
    for (uint i=0; i<M*N; ++i)
      f(mat[i].z,mat[i].x,mat[i].y);
  }

pt3 const& meshrect::pij	(	uintc	i,
		uintc	j
	)			const [inline]

i is the x-axis, j is the y-axis.

Definition at line 31 of file meshrect.h.

References mat, and N.

    { return mat[i+j*N]; }

pt3& meshrect::pij	(	uintc	i,
		uintc	j
	)			[inline]

i is the x-axis, j is the y-axis.

Definition at line 28 of file meshrect.h.

References mat, and N.

Referenced by meshrect(), and print().

    { return mat[i+j*N]; }

void meshrect::print

(

)

const

Print the mesh as a 2D array.

Definition at line 28 of file meshrect.cpp.

References M, N, and pij().

{
  uint i;
  uint j=N;
  do
  {
    --j;
    for (i=0; i<M; ++i)
      cout << setw(10) << pij(i,j); 
    cout << endl;
  } while (j!=0);
}

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Member Data Documentation

uintc meshrect::M

M partitions of X-axis.

Definition at line 19 of file meshrect.h.

Referenced by func(), meshrect(), and print().

pt3* meshrect::mat

The points in the 2D matrix.

Definition at line 25 of file meshrect.h.

Referenced by func(), meshrect(), pij(), and ~meshrect().

uintc meshrect::N

N partitions of Y-axis.

Definition at line 22 of file meshrect.h.

Referenced by func(), meshrect(), pij(), and print().

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

• bezier/meshrect.h
• bezier/meshrect.cpp