TransformMatrix Class Reference

#include <TransformMatrix.hpp>

Inheritance diagram for TransformMatrix:

[legend]

Collaboration diagram for TransformMatrix:

[legend]

List of all members.

Public Member Functions
TinyVector< 3, real_t >	operator() (const TinyVector< 3, real_t > &x) const
TinyVector< 3, real_t >	inverse (const TinyVector< 3, real_t > &x) const
std::string	povWrite () const
ReferenceCounting< Transform >	getCopy () const
	TransformMatrix (const real_t r[12])
	Constructs a TransformMatrix for a set of given angles passed by r.
	TransformMatrix (const TransformMatrix &r)
	~TransformMatrix ()
const TransType &	type () const
virtual TinyVector< 3, real_t >	operator() (const TinyVector< 3 > &x) const =0
virtual TinyVector< 3, real_t >	inverse (const TinyVector< 3 > &x) const =0
Protected Attributes
const TransType	__type
Private Attributes
TinyVector< 3 >	__translate
TinyMatrix< 3, 3 >	__matrix
TinyMatrix< 3, 3 >	__invMatrix

---

Detailed Description

Definition at line 35 of file TransformMatrix.hpp.

---

Constructor & Destructor Documentation

TransformMatrix::TransformMatrix

(

const real_t

r[12]

)

Constructs a TransformMatrix for a set of given angles passed by r.

Constructor

Parameters:

r

transformation matrix and vector

Definition at line 45 of file TransformMatrix.cpp.

References __invMatrix, __matrix, and __translate.

Referenced by getCopy().

  : Transform(matrix)
{
  for (size_t i=0;i<3;++i) {
    __translate[i] = m[9+i];
    for (size_t j=0; j<3; ++j) {
      __matrix(i,j) = m[3*i+j];
    }
  }

  __invMatrix = __matrix.invert();
}

TransformMatrix::TransformMatrix

(

const TransformMatrix &

r

)

Copy constructor

Parameters:

r

given TransformMatrix

Definition at line 59 of file TransformMatrix.cpp.

References __invMatrix, __matrix, and __translate.

  : Transform(r)
{
  __translate = r.__translate;
  __matrix    = r.__matrix;
  __invMatrix = r.__invMatrix;
}

TransformMatrix::~TransformMatrix

(

)

[inline]

Destructor

Definition at line 104 of file TransformMatrix.hpp.

  {
    ;
  }

---

Member Function Documentation

TinyVector< 3, real_t > TransformMatrix::operator()

(

const TinyVector< 3, real_t > &

x

)

const

Applies the TransformMatrix to a vector

Parameters:

x

given vector

Returns:

Definition at line 26 of file TransformMatrix.cpp.

References __matrix, and __translate.

{
  TinyVector<3,real_t> temp = __matrix*v;
  temp += __translate;
  return temp;
}

TinyVector< 3, real_t > TransformMatrix::inverse

(

const TinyVector< 3, real_t > &

x

)

const

Applies the inverse TransformMatrix to a vector

Parameters:

x

given vector

Returns:

Definition at line 34 of file TransformMatrix.cpp.

References __invMatrix, and __translate.

{
  // As 'matrix' is composed of transformMatrixs, and
  // as transformMatrixs are othogonal matrices
  // the inverse of 'matrix' is its transposed
  TinyVector<3,real_t> Temporary = v - __translate;

  return __invMatrix*Temporary;
}

std::string TransformMatrix::povWrite

(

)

const [virtual]

Writes the TransformMatrix to a string

Returns:

POVRay string

Implements Transform.

Definition at line 68 of file TransformMatrix.cpp.

References __matrix, and __translate.

{
  std::stringstream povs;
  povs << "transformMatrix <";
  for (size_t i=0; i<3; ++i) {
    for(size_t j=0; j<3; ++j) {
      povs << __matrix(i,j) << ',';
    }
  }
  for (size_t i=0; i<2; ++i)
    povs << __translate << ',';
  povs << __translate[2];
  povs << ">";
  povs << std::ends;
  return povs.str();
}

ReferenceCounting< Transform > TransformMatrix::getCopy

(

)

const [virtual]

Copies the TransformMatrix

Returns:

deep copy of the TransformMatrix

Implements Transform.

Definition at line 86 of file TransformMatrix.cpp.

References TransformMatrix().

{
  return new TransformMatrix(*this);
}

Here is the call graph for this function:

const TransType& Transform::type

(

)

const [inline, inherited]

Read-only access to the type of the transformation.

Returns:

__type

Definition at line 60 of file Transform.hpp.

References Transform::__type.

  {
    return __type;
  }

virtual TinyVector<3,real_t> Transform::operator()

(

const TinyVector< 3 > &

x

)

const [pure virtual, inherited]

Applies the transformation to a point

Parameters:

x

given point

Returns:

virtual TinyVector<3,real_t> Transform::inverse

(

const TinyVector< 3 > &

x

)

const [pure virtual, inherited]

Applies the inverse transformation to a point

Parameters:

x

given point

Returns:

---

Member Data Documentation

TinyVector<3> TransformMatrix::__translate [private]

TransformMatrix translation as given in POV-Ray

Definition at line 39 of file TransformMatrix.hpp.

Referenced by inverse(), operator()(), povWrite(), and TransformMatrix().

TinyMatrix<3,3> TransformMatrix::__matrix [private]

Matrix transformatino

Definition at line 42 of file TransformMatrix.hpp.

Referenced by operator()(), povWrite(), and TransformMatrix().

TinyMatrix<3,3> TransformMatrix::__invMatrix [private]

The inverse of the transformMatrix is stored in the matrix. This way one can know if a vertex is the image of a vertex contained in a base shape; so, if a vertex is in the image of shape!

Definition at line 44 of file TransformMatrix.hpp.

Referenced by inverse(), and TransformMatrix().

const TransType Transform::__type [protected, inherited]

Transformation type

Definition at line 52 of file Transform.hpp.

Referenced by Transform::type().

---

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

• TransformMatrix.hpp
• TransformMatrix.cpp