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mrpt::poses::CPose2D Class Reference

Detailed Description

A class used to store a 2D pose.

A class used to store a 2D pose, including the 2D coordinate point and a heading (phi) angle.

For a complete description of Points/Poses, see mrpt::poses::CPoseOrPoint, or refer to the 2D/3D Geometry tutorial in the wiki.

CPose2D.gif
See also:
CPoseOrPoint,CPoint2D

Definition at line 53 of file CPose2D.h.

#include <mrpt/poses/CPose2D.h>

Inheritance diagram for mrpt::poses::CPose2D:
Inheritance graph
[legend]

List of all members.

Public Types

enum  { is_3D_val = 0 }
enum  { rotation_dimensions = 2 }
enum  { is_PDF_val = 0 }
typedef CPose2D type_value
 Used to emulate CPosePDF types, for example, in mrpt::graphs::CNetworkOfPoses.

Public Member Functions

 CPose2D ()
 Default constructor (all coordinates to 0)
 CPose2D (const double x, const double y, const double phi)
 Constructor from an initial value of the pose.
 CPose2D (const CPoint2D &)
 Constructor from a CPoint2D object.
 CPose2D (const CPose3D &)
 Aproximation!! Avoid its use, since information is lost.
 CPose2D (const mrpt::math::TPose2D &)
 Constructor from lightweight object.
 CPose2D (const CPoint3D &)
 Constructor from CPoint3D with information loss.
 CPose2D (TConstructorFlags_Poses constructor_dummy_param)
 Fast constructor that leaves all the data uninitialized - call with UNINITIALIZED_POSE as argument.
const double & phi () const
 Get the phi angle of the 2D pose (in radians)
double & phi ()
void phi (double angle)
 Set the phi angle of the 2D pose (in radians)
void phi_incr (const double Aphi)
 Increment the PHI angle (without checking the 2 PI range, call normalizePhi is needed)
void getAsVector (vector_double &v) const
 Returns a 1x3 vector with [x y phi].
void getAsVector (mrpt::math::CArrayDouble< 3 > &v) const
void getHomogeneousMatrix (CMatrixDouble44 &out_HM) const
 Returns the corresponding 4x4 homogeneous transformation matrix for the point(translation) or pose (translation+orientation).
CPose2D operator+ (const CPose2D &D) const
 The operator $ a = this \oplus D $ is the pose compounding operator.
void composeFrom (const CPose2D &A, const CPose2D &B)
 Makes $ this = A \oplus B $.
CPose3D operator+ (const CPose3D &D) const
 The operator $ a = this \oplus D $ is the pose compounding operator.
CPoint2D operator+ (const CPoint2D &u) const
 The operator $ u' = this \oplus u $ is the pose/point compounding operator.
void composePoint (double lx, double ly, double &gx, double &gy) const
 An alternative, slightly more efficient way of doing $ G = P \oplus L $ with G and L being 2D points and P this 2D pose.
CPoint3D operator+ (const CPoint3D &u) const
 The operator $ u' = this \oplus u $ is the pose/point compounding operator.
void inverseComposeFrom (const CPose2D &A, const CPose2D &B)
 Makes $ this = A \ominus B $ this method is slightly more efficient than "this= A - B;" since it avoids the temporary object.
CPose2D operator- (const CPose2D &b) const
 Compute $ RET = this \oplus b $.
void AddComponents (CPose2D &p)
 Scalar sum of components: This is diferent from poses composition, which is implemented as "+" operators in "CPose" derived classes.
void operator*= (const double s)
 Scalar multiplication.
CPose2Doperator+= (const CPose2D &b)
 Make $ this = this \oplus b $.
void normalizePhi ()
 Forces "phi" to be in the range [-pi,pi];.
void asString (std::string &s) const
 Returns a human-readable textual representation of the object (eg: "[x y yaw]", yaw in degrees)
std::string asString () const
void fromString (const std::string &s)
 Set the current object value from a string generated by 'asString' (eg: "[0.02 1.04 -0.8]" )
const double & operator[] (unsigned int i) const
double & operator[] (unsigned int i)
void changeCoordinatesReference (const CPose2D &p)
 makes: this = p (+) this
const type_valuegetPoseMean () const
type_valuegetPoseMean ()
CPose3D operator- (const CPose3D &b) const
 The operator $ a \ominus b $ is the pose inverse compounding operator.
mrpt::utils::CObjectPtr duplicateGetSmartPtr () const
 Returns a copy of the object, indepently of its class, as a smart pointer (the newly created object will exist as long as any copy of this smart pointer).
CObject * clone () const
 Cloning interface for smart pointers.

Static Public Member Functions

static bool is_3D ()
static bool is_PDF ()

Public Attributes

mrpt::math::CArrayDouble< 2 > m_coords
 [x,y]

Static Public Attributes

static const
mrpt::utils::TRuntimeClassId 
classCObject

Protected Member Functions

virtual void writeToStream (mrpt::utils::CStream &out, int *getVersion) const =0
 Introduces a pure virtual method responsible for writing to a CStream.
virtual void readFromStream (mrpt::utils::CStream &in, int version)=0
 Introduces a pure virtual method responsible for loading from a CStream This can not be used directly be users, instead use "stream >> object;" for reading it from a stream or "stream >> object_ptr;" if the class is unknown apriori.

Protected Attributes

double m_phi
 The orientation of the pose, in radians.

RTTI stuff

typedef CPose2DPtr SmartPtr
static mrpt::utils::CLASSINIT _init_CPose2D
static mrpt::utils::TRuntimeClassId classCPose2D
static const
mrpt::utils::TRuntimeClassId
classinfo
static const
mrpt::utils::TRuntimeClassId
_GetBaseClass ()
virtual const
mrpt::utils::TRuntimeClassId
GetRuntimeClass () const
 Returns information about the class of an object in runtime.
virtual mrpt::utils::CObjectduplicate () const
 Returns a copy of the object, indepently of its class.
static mrpt::utils::CObjectCreateObject ()
static CPose2DPtr Create ()

STL-like methods and typedefs

enum  { static_size = 3 }
typedef double value_type
 The type of the elements.
typedef double & reference
typedef const double & const_reference
typedef std::size_t size_type
typedef std::ptrdiff_t difference_type
static size_type size ()
static bool empty ()
static size_type max_size ()
static void resize (const size_t n)
double x () const
 Common members of all points & poses classes.
double & x ()
void x (const double v)
double y () const
double & y ()
void y (const double v)
void x_incr (const double v)
void y_incr (const double v)
double sqrDistanceTo (const CPoseOrPoint< OTHERCLASS > &b) const
 Returns the squared euclidean distance to another pose/point:
double distanceTo (const CPoseOrPoint< OTHERCLASS > &b) const
 Returns the Euclidean distance to another pose/point:
double distanceTo (const mrpt::math::TPoint3D &b) const
 Returns the euclidean distance to a 3D point:
double distance2DToSquare (double ax, double ay) const
 Returns the squared 2D distance from this pose/point to a 2D point (ignores Z, if it exists).
double distance3DToSquare (double ax, double ay, double az) const
 Returns the squared 3D distance from this pose/point to a 3D point.
double distance2DTo (double ax, double ay) const
 Returns the 2D distance from this pose/point to a 2D point (ignores Z, if it exists).
double distance3DTo (double ax, double ay, double az) const
 Returns the 3D distance from this pose/point to a 3D point.
double norm () const
 Returns the euclidean norm of vector: $ ||\mathbf{x}|| = \sqrt{x^2+y^2+z^2} $.
vector_double getAsVectorVal () const
 Return the pose or point as a 1xN vector with all the components (see derived classes for each implementation)
CMatrixDouble44 getHomogeneousMatrixVal () const
 Returns the corresponding 4x4 homogeneous transformation matrix for the point(translation) or pose (translation+orientation).
void getInverseHomogeneousMatrix (math::CMatrixDouble44 &out_HM) const
 Returns the corresponding 4x4 inverse homogeneous transformation matrix for this point or pose.
mrpt::math::CMatrixDouble44 getInverseHomogeneousMatrix () const
static bool is3DPoseOrPoint ()
 Return true for poses or points with a Z component, false otherwise.

RTTI stuff

static const
mrpt::utils::TRuntimeClassId 
classCSerializable
class mrpt::utils::CStream

Member Typedef Documentation

Definition at line 224 of file CPose2D.h.

typedef std::ptrdiff_t mrpt::poses::CPose2D::difference_type

Definition at line 226 of file CPose2D.h.

Definition at line 223 of file CPose2D.h.

typedef std::size_t mrpt::poses::CPose2D::size_type

Definition at line 225 of file CPose2D.h.

A typedef for the associated smart pointer

Definition at line 57 of file CPose2D.h.

Used to emulate CPosePDF types, for example, in mrpt::graphs::CNetworkOfPoses.

Definition at line 210 of file CPose2D.h.

The type of the elements.

Definition at line 222 of file CPose2D.h.


Member Enumeration Documentation

anonymous enum
Enumerator:
is_3D_val 

Definition at line 211 of file CPose2D.h.

anonymous enum
Enumerator:
rotation_dimensions 

Definition at line 213 of file CPose2D.h.

anonymous enum
Enumerator:
is_PDF_val 

Definition at line 214 of file CPose2D.h.

anonymous enum
Enumerator:
static_size 

Definition at line 229 of file CPose2D.h.


Constructor & Destructor Documentation

mrpt::poses::CPose2D::CPose2D ( )

Default constructor (all coordinates to 0)

mrpt::poses::CPose2D::CPose2D ( const double  x,
const double  y,
const double  phi 
)

Constructor from an initial value of the pose.

mrpt::poses::CPose2D::CPose2D ( const CPoint2D )

Constructor from a CPoint2D object.

mrpt::poses::CPose2D::CPose2D ( const CPose3D ) [explicit]

Aproximation!! Avoid its use, since information is lost.

mrpt::poses::CPose2D::CPose2D ( const mrpt::math::TPose2D )

Constructor from lightweight object.

mrpt::poses::CPose2D::CPose2D ( const CPoint3D ) [explicit]

Constructor from CPoint3D with information loss.

mrpt::poses::CPose2D::CPose2D ( TConstructorFlags_Poses  constructor_dummy_param) [inline]

Fast constructor that leaves all the data uninitialized - call with UNINITIALIZED_POSE as argument.

Definition at line 85 of file CPose2D.h.


Member Function Documentation

static const mrpt::utils::TRuntimeClassId* mrpt::poses::CPose2D::_GetBaseClass ( ) [static, protected]

Reimplemented from mrpt::utils::CSerializable.

void mrpt::poses::CPose2D::AddComponents ( CPose2D p)

Scalar sum of components: This is diferent from poses composition, which is implemented as "+" operators in "CPose" derived classes.

void mrpt::poses::CPose2D::asString ( std::string &  s) const [inline]

Returns a human-readable textual representation of the object (eg: "[x y yaw]", yaw in degrees)

See also:
fromString

Definition at line 168 of file CPose2D.h.

References mrpt::format(), mrpt::utils::RAD2DEG(), and Eigen::internal::y.

std::string mrpt::poses::CPose2D::asString ( ) const [inline]

Definition at line 169 of file CPose2D.h.

References asString().

Referenced by asString().

void mrpt::poses::CPose2D::changeCoordinatesReference ( const CPose2D p) [inline]

makes: this = p (+) this

Definition at line 208 of file CPose2D.h.

CObject* mrpt::utils::CObject::clone ( ) const [inline, inherited]

Cloning interface for smart pointers.

Reimplemented in mrpt::opengl::CRenderizable, and mrpt::opengl::CRenderizableDisplayList.

Definition at line 154 of file CObject.h.

void mrpt::poses::CPose2D::composeFrom ( const CPose2D A,
const CPose2D B 
)

Makes $ this = A \oplus B $.

Note:
A or B can be "this" without problems.
void mrpt::poses::CPose2D::composePoint ( double  lx,
double  ly,
double &  gx,
double &  gy 
) const

An alternative, slightly more efficient way of doing $ G = P \oplus L $ with G and L being 2D points and P this 2D pose.

static CPose2DPtr mrpt::poses::CPose2D::Create ( ) [static]
static mrpt::utils::CObject* mrpt::poses::CPose2D::CreateObject ( ) [static]
double mrpt::poses::CPoseOrPoint< CPose2D >::distance2DTo ( double  ax,
double  ay 
) const [inline, inherited]

Returns the 2D distance from this pose/point to a 2D point (ignores Z, if it exists).

Definition at line 184 of file CPoseOrPoint.h.

double mrpt::poses::CPoseOrPoint< CPose2D >::distance2DToSquare ( double  ax,
double  ay 
) const [inline, inherited]

Returns the squared 2D distance from this pose/point to a 2D point (ignores Z, if it exists).

Definition at line 176 of file CPoseOrPoint.h.

double mrpt::poses::CPoseOrPoint< CPose2D >::distance3DTo ( double  ax,
double  ay,
double  az 
) const [inline, inherited]

Returns the 3D distance from this pose/point to a 3D point.

Definition at line 187 of file CPoseOrPoint.h.

double mrpt::poses::CPoseOrPoint< CPose2D >::distance3DToSquare ( double  ax,
double  ay,
double  az 
) const [inline, inherited]

Returns the squared 3D distance from this pose/point to a 3D point.

Definition at line 179 of file CPoseOrPoint.h.

double mrpt::poses::CPoseOrPoint< CPose2D >::distanceTo ( const CPoseOrPoint< OTHERCLASS > &  b) const [inline, inherited]

Returns the Euclidean distance to another pose/point:

Definition at line 170 of file CPoseOrPoint.h.

double mrpt::poses::CPoseOrPoint< CPose2D >::distanceTo ( const mrpt::math::TPoint3D b) const [inline, inherited]

Returns the euclidean distance to a 3D point:

Definition at line 190 of file CPoseOrPoint.h.

virtual mrpt::utils::CObject* mrpt::poses::CPose2D::duplicate ( ) const [virtual]

Returns a copy of the object, indepently of its class.

Implements mrpt::utils::CObject.

mrpt::utils::CObjectPtr mrpt::utils::CObject::duplicateGetSmartPtr ( ) const [inline, inherited]

Returns a copy of the object, indepently of its class, as a smart pointer (the newly created object will exist as long as any copy of this smart pointer).

Definition at line 151 of file CObject.h.

static bool mrpt::poses::CPose2D::empty ( ) [inline, static]

Definition at line 231 of file CPose2D.h.

void mrpt::poses::CPose2D::fromString ( const std::string &  s) [inline]

Set the current object value from a string generated by 'asString' (eg: "[0.02 1.04 -0.8]" )

See also:
asString
Exceptions:
std::exceptionOn invalid format

Definition at line 175 of file CPose2D.h.

References ASSERTMSG_, mrpt::utils::DEG2RAD(), mrpt::mrpt::math::size(), THROW_EXCEPTION, and Eigen::internal::y.

void mrpt::poses::CPose2D::getAsVector ( vector_double v) const

Returns a 1x3 vector with [x y phi].

void mrpt::poses::CPose2D::getAsVector ( mrpt::math::CArrayDouble< 3 > &  v) const

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

vector_double mrpt::poses::CPoseOrPoint< CPose2D >::getAsVectorVal ( ) const [inline, inherited]

Return the pose or point as a 1xN vector with all the components (see derived classes for each implementation)

Definition at line 199 of file CPoseOrPoint.h.

void mrpt::poses::CPose2D::getHomogeneousMatrix ( CMatrixDouble44 &  out_HM) const

Returns the corresponding 4x4 homogeneous transformation matrix for the point(translation) or pose (translation+orientation).

See also:
getInverseHomogeneousMatrix
CMatrixDouble44 mrpt::poses::CPoseOrPoint< CPose2D >::getHomogeneousMatrixVal ( ) const [inline, inherited]

Returns the corresponding 4x4 homogeneous transformation matrix for the point(translation) or pose (translation+orientation).

See also:
getInverseHomogeneousMatrix

Definition at line 209 of file CPoseOrPoint.h.

void mrpt::poses::CPoseOrPoint< CPose2D >::getInverseHomogeneousMatrix ( math::CMatrixDouble44 out_HM) const [inline, inherited]

Returns the corresponding 4x4 inverse homogeneous transformation matrix for this point or pose.

See also:
getHomogeneousMatrix

Definition at line 219 of file CPoseOrPoint.h.

mrpt::math::CMatrixDouble44 mrpt::poses::CPoseOrPoint< CPose2D >::getInverseHomogeneousMatrix ( ) const [inline, inherited]

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

Definition at line 226 of file CPoseOrPoint.h.

const type_value& mrpt::poses::CPose2D::getPoseMean ( ) const [inline]

Definition at line 217 of file CPose2D.h.

type_value& mrpt::poses::CPose2D::getPoseMean ( ) [inline]

Definition at line 218 of file CPose2D.h.

virtual const mrpt::utils::TRuntimeClassId* mrpt::poses::CPose2D::GetRuntimeClass ( ) const [virtual]

Returns information about the class of an object in runtime.

Reimplemented from mrpt::utils::CSerializable.

void mrpt::poses::CPose2D::inverseComposeFrom ( const CPose2D A,
const CPose2D B 
)

Makes $ this = A \ominus B $ this method is slightly more efficient than "this= A - B;" since it avoids the temporary object.

Note:
A or B can be "this" without problems.
See also:
composeFrom, composePoint

Referenced by operator-().

static bool mrpt::poses::CPoseOrPoint< CPose2D >::is3DPoseOrPoint ( ) [inline, static, inherited]

Return true for poses or points with a Z component, false otherwise.

Definition at line 149 of file CPoseOrPoint.h.

static bool mrpt::poses::CPose2D::is_3D ( ) [inline, static]

Definition at line 212 of file CPose2D.h.

static bool mrpt::poses::CPose2D::is_PDF ( ) [inline, static]

Definition at line 215 of file CPose2D.h.

static size_type mrpt::poses::CPose2D::max_size ( ) [inline, static]

Definition at line 232 of file CPose2D.h.

References static_size.

double mrpt::poses::CPoseOrPoint< CPose2D >::norm ( ) const [inline, inherited]

Returns the euclidean norm of vector: $ ||\mathbf{x}|| = \sqrt{x^2+y^2+z^2} $.

Definition at line 193 of file CPoseOrPoint.h.

void mrpt::poses::CPose2D::normalizePhi ( )

Forces "phi" to be in the range [-pi,pi];.

void mrpt::poses::CPose2D::operator*= ( const double  s)

Scalar multiplication.

CPoint2D mrpt::poses::CPose2D::operator+ ( const CPoint2D u) const

The operator $ u' = this \oplus u $ is the pose/point compounding operator.

CPoint3D mrpt::poses::CPose2D::operator+ ( const CPoint3D u) const

The operator $ u' = this \oplus u $ is the pose/point compounding operator.

CPose3D mrpt::poses::CPose2D::operator+ ( const CPose3D D) const

The operator $ a = this \oplus D $ is the pose compounding operator.

CPose2D mrpt::poses::CPose2D::operator+ ( const CPose2D D) const

The operator $ a = this \oplus D $ is the pose compounding operator.

CPose2D& mrpt::poses::CPose2D::operator+= ( const CPose2D b) [inline]

Make $ this = this \oplus b $.

Definition at line 155 of file CPose2D.h.

CPose2D mrpt::poses::CPose2D::operator- ( const CPose2D b) const [inline]

Compute $ RET = this \oplus b $.

Definition at line 138 of file CPose2D.h.

References inverseComposeFrom(), and mrpt::poses::UNINITIALIZED_POSE.

CPose3D mrpt::poses::CPose< CPose2D >::operator- ( const CPose3D b) const [inherited]

The operator $ a \ominus b $ is the pose inverse compounding operator.

double& mrpt::poses::CPose2D::operator[] ( unsigned int  i) [inline]

Definition at line 195 of file CPose2D.h.

const double& mrpt::poses::CPose2D::operator[] ( unsigned int  i) const [inline]

Definition at line 184 of file CPose2D.h.

void mrpt::poses::CPose2D::phi ( double  angle) [inline]

Set the phi angle of the 2D pose (in radians)

Definition at line 93 of file CPose2D.h.

const double& mrpt::poses::CPose2D::phi ( ) const [inline]
double& mrpt::poses::CPose2D::phi ( ) [inline]

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

Definition at line 90 of file CPose2D.h.

void mrpt::poses::CPose2D::phi_incr ( const double  Aphi) [inline]

Increment the PHI angle (without checking the 2 PI range, call normalizePhi is needed)

Definition at line 95 of file CPose2D.h.

virtual void mrpt::utils::CSerializable::readFromStream ( mrpt::utils::CStream in,
int  version 
) [protected, pure virtual, inherited]

Introduces a pure virtual method responsible for loading from a CStream This can not be used directly be users, instead use "stream >> object;" for reading it from a stream or "stream >> object_ptr;" if the class is unknown apriori.

Parameters:
inThe input binary stream where the object data must read from.
versionThe version of the object stored in the stream: use this version number in your code to know how to read the incoming data.
Exceptions:
std::exceptionOn any error, see CStream::ReadBuffer
See also:
CStream

Implemented in mrpt::math::CMatrix, and mrpt::math::CMatrixD.

static void mrpt::poses::CPose2D::resize ( const size_t  n) [inline, static]

Definition at line 233 of file CPose2D.h.

References mrpt::format(), and static_size.

static size_type mrpt::poses::CPose2D::size ( ) [inline, static]

Definition at line 230 of file CPose2D.h.

References static_size.

double mrpt::poses::CPoseOrPoint< CPose2D >::sqrDistanceTo ( const CPoseOrPoint< OTHERCLASS > &  b) const [inline, inherited]

Returns the squared euclidean distance to another pose/point:

Definition at line 152 of file CPoseOrPoint.h.

virtual void mrpt::utils::CSerializable::writeToStream ( mrpt::utils::CStream out,
int *  getVersion 
) const [protected, pure virtual, inherited]

Introduces a pure virtual method responsible for writing to a CStream.

This can not be used directly be users, instead use "stream << object;" for writing it to a stream.

Parameters:
outThe output binary stream where object must be dumped.
getVersionIf NULL, the object must be dumped. If not, only the version of the object dump must be returned in this pointer. This enables the versioning of objects dumping and backward compatibility with previously stored data.
Exceptions:
std::exceptionOn any error, see CStream::WriteBuffer
See also:
CStream

Implemented in mrpt::math::CMatrix, and mrpt::math::CMatrixD.

void mrpt::poses::CPoseOrPoint< CPose2D >::x ( const double  v) [inline, inherited]
Parameters:
vSet X coord.

Definition at line 141 of file CPoseOrPoint.h.

double& mrpt::poses::CPoseOrPoint< CPose2D >::x ( ) [inline, inherited]

Definition at line 138 of file CPoseOrPoint.h.

double mrpt::poses::CPoseOrPoint< CPose2D >::x ( ) const [inline, inherited]

Common members of all points & poses classes.

< Get X coord.

Definition at line 135 of file CPoseOrPoint.h.

void mrpt::poses::CPoseOrPoint< CPose2D >::x_incr ( const double  v) [inline, inherited]
Parameters:
vX+=v

Definition at line 144 of file CPoseOrPoint.h.

double mrpt::poses::CPoseOrPoint< CPose2D >::y ( ) const [inline, inherited]

< Get Y coord.

Definition at line 136 of file CPoseOrPoint.h.

double& mrpt::poses::CPoseOrPoint< CPose2D >::y ( ) [inline, inherited]

Definition at line 139 of file CPoseOrPoint.h.

void mrpt::poses::CPoseOrPoint< CPose2D >::y ( const double  v) [inline, inherited]
Parameters:
vSet Y coord.

Definition at line 142 of file CPoseOrPoint.h.

void mrpt::poses::CPoseOrPoint< CPose2D >::y_incr ( const double  v) [inline, inherited]
Parameters:
vY+=v

Definition at line 145 of file CPoseOrPoint.h.


Friends And Related Function Documentation

friend class mrpt::utils::CStream [friend, inherited]

Member Data Documentation

Definition at line 57 of file CPose2D.h.

Definition at line 139 of file CObject.h.

Definition at line 57 of file CPose2D.h.

Definition at line 56 of file CSerializable.h.

Definition at line 57 of file CPose2D.h.

[x,y]

Definition at line 60 of file CPose2D.h.

double mrpt::poses::CPose2D::m_phi [protected]

The orientation of the pose, in radians.

Definition at line 63 of file CPose2D.h.




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