Panda3D
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LMatrix3d Class Reference

This is a 3-by-3 transform matrix. More...

Classes

class  CRow
 
class  Row
 

Public Types

enum  { num_components = 9, is_int = 0 }
 

Public Member Functions

 __init__ ()
 
 __init__ (const LMatrix3d other)
 
 __init__ (const LVecBase3d, const LVecBase3d, const LVecBase3d)
 Constructs the matrix from three individual rows. More...
 
 __init__ (double, double, double, double, double, double, double, double, double)
 
object __reduce__ ()
 
str __repr__ ()
 
int addHash (int hash)
 Adds the vector into the running hash. More...
 
int addHash (int hash, double threshold)
 Adds the vector into the running hash. More...
 
bool almostEqual (const LMatrix3d other)
 Returns true if two matrices are memberwise equal within a default tolerance based on the numeric type. More...
 
bool almostEqual (const LMatrix3d other, double threshold)
 Returns true if two matrices are memberwise equal within a specified tolerance. More...
 
int compareTo (const LMatrix3d other)
 This flavor of compare_to uses a default threshold value based on the numeric type. More...
 
int compareTo (const LMatrix3d other, double threshold)
 Sorts matrices lexicographically, componentwise. More...
 
 componentwiseMult (const LMatrix3d other)
 
double determinant ()
 Returns the determinant of the matrix. More...
 
 fill (double fill_value)
 Sets each element of the matrix to the indicated fill_value. More...
 
 generateHash (ChecksumHashGenerator hashgen)
 Adds the vector to the indicated hash generator. More...
 
 generateHash (ChecksumHashGenerator hashgen, double threshold)
 Adds the vector to the indicated hash generator. More...
 
double getCell (int row, int col)
 Returns a particular element of the matrix. More...
 
LVecBase3d getCol (int col)
 Returns the indicated column of the matrix as a three-component vector. More...
 
LVecBase2d getCol2 (int col)
 Returns the indicated column of the matrix as a two-component vector, ignoring the last row. More...
 
list getCol2s ()
 
list getCols ()
 
 getData ()
 Returns the address of the first of the nine data elements in the matrix. More...
 
int getHash ()
 Returns a suitable hash for phash_map. More...
 
int getHash (double threshold)
 Returns a suitable hash for phash_map. More...
 
int getNumComponents ()
 Returns the number of elements in the matrix, nine. More...
 
 getRow (LVecBase3d result_vec, int row)
 Stores the indicated row of the matrix as a three-component vector. More...
 
LVecBase3d getRow (int row)
 Returns the indicated row of the matrix as a three-component vector. More...
 
LVecBase2d getRow2 (int row)
 Returns the indicated row of the matrix as a two-component vector, ignoring the last column. More...
 
list getRow2s ()
 
list getRows ()
 
bool invertFrom (const LMatrix3d other)
 Computes the inverse of the other matrix, and stores the result in this matrix. More...
 
bool invertInPlace ()
 Inverts the current matrix. More...
 
bool invertTransposeFrom (const LMatrix3d other)
 Simultaneously computes the inverse of the indicated matrix, and then the transpose of that inverse. More...
 
bool invertTransposeFrom (const LMatrix4d other)
 Simultaneously computes the inverse of the indicated matrix, and then the transpose of that inverse. More...
 
bool isIdentity ()
 Returns true if this is (close enough to) the identity matrix, false otherwise. More...
 
bool isNan ()
 Returns true if any component of the matrix is not-a-number, false otherwise. More...
 
 multiply (const LMatrix3d other1, const LMatrix3d other2)
 
bool operator != (const LMatrix3d other)
 
LMatrix3d operator * (const LMatrix3d other)
 
LMatrix3d operator * (double scalar)
 
LMatrix3d operator *= (const LMatrix3d other)
 
LMatrix3d operator *= (double scalar)
 Performs a memberwise scale. More...
 
LMatrix3d operator -= (const LMatrix3d other)
 Performs a memberwise subtraction between two matrices. More...
 
LMatrix3d::Row operator [] (int i)
 
LMatrix3d::CRow operator [] (int i)
 
 operator new (int size)
 
 operator() (int row, int col)
 
double operator() (int row, int col)
 
LMatrix3d operator+= (const LMatrix3d other)
 Performs a memberwise addition between two matrices. More...
 
LMatrix3d operator/ (double scalar)
 
LMatrix3d operator/= (double scalar)
 Performs a memberwise scale. More...
 
bool operator< (const LMatrix3d other)
 
LMatrix3d operator= (const LMatrix3d other)
 
LMatrix3d operator= (double fill_value)
 
bool operator== (const LMatrix3d other)
 
 output (Ostream out)
 
 readDatagram (DatagramIterator source)
 Reads the matrix from the Datagram using get_stdfloat(). More...
 
 readDatagramFixed (DatagramIterator scan)
 Reads the matrix from the Datagram using get_float32() or get_float64(). More...
 
 set (double e00, double e01, double e02, double e10, double e11, double e12, double e20, double e21, double e22)
 
 setCell (int row, int col, double value)
 Changes a particular element of the matrix. More...
 
 setCol (int col, const LVecBase2d v)
 Replaces the indicated column of the matrix from a two-component vector, ignoring the last row. More...
 
 setCol (int col, const LVecBase3d v)
 Replaces the indicated column of the matrix from a three-component vector. More...
 
 setRotateMat (double angle)
 Fills mat with a matrix that rotates by the given angle in degrees counterclockwise. More...
 
 setRotateMat (double angle, const LVecBase3d axis, CoordinateSystem cs)
 Fills mat with a matrix that rotates by the given angle in degrees counterclockwise about the indicated vector. More...
 
 setRotateMatNormaxis (double angle, const LVecBase3d axis, CoordinateSystem cs)
 Fills mat with a matrix that rotates by the given angle in degrees counterclockwise about the indicated vector. More...
 
 setRow (int row, const LVecBase2d v)
 Replaces the indicated row of the matrix from a two-component vector, ignoring the last column. More...
 
 setRow (int row, const LVecBase3d v)
 Replaces the indicated row of the matrix from a three-component vector. More...
 
 setScaleMat (const LVecBase2d scale)
 Fills mat with a matrix that applies the indicated scale in each of the two axes. More...
 
 setScaleMat (const LVecBase3d scale)
 Fills mat with a matrix that applies the indicated scale in each of the three axes. More...
 
 setScaleShearMat (const LVecBase3d scale, const LVecBase3d shear, CoordinateSystem cs)
 Fills mat with a matrix that applies the indicated scale and shear. More...
 
 setShearMat (const LVecBase3d shear, CoordinateSystem cs)
 Fills mat with a matrix that applies the indicated shear in each of the three planes. More...
 
 setTranslateMat (const LVecBase2d trans)
 Fills mat with a matrix that applies the indicated translation. More...
 
 transposeFrom (const LMatrix3d other)
 
 transposeInPlace ()
 
 write (Ostream out, int indent_level)
 
 writeDatagram (Datagram destination)
 Writes the matrix to the Datagram using add_stdfloat(). More...
 
 writeDatagramFixed (Datagram destination)
 Writes the matrix to the Datagram using add_float32() or add_float64(), depending on the type of floats in the matrix, regardless of the setting of Datagram::set_stdfloat_double(). More...
 
LVecBase3d xform (const LVecBase3d v)
 3-component vector or point times matrix. More...
 
 xformInPlace (LVecBase3d v)
 3-component vector or point times matrix. More...
 
LVecBase2d xformPoint (const LVecBase2d v)
 The matrix transforms a 2-component point (including translation component) and returns the result. More...
 
 xformPointInPlace (LVecBase2d v)
 The matrix transforms a 2-component point (including translation component). More...
 
LVecBase2d xformVec (const LVecBase2d v)
 The matrix transforms a 2-component vector (without translation component) and returns the result. More...
 
LVecBase3d xformVec (const LVecBase3d v)
 The matrix transforms a 3-component vector and returns the result. More...
 
LVecBase3d xformVecGeneral (const LVecBase3d v)
 The matrix transforms a 3-component vector (without translation component) and returns the result, as a fully general operation. More...
 
 xformVecGeneralInPlace (LVecBase3d v)
 The matrix transforms a 3-component vector (without translation component), as a fully general operation. More...
 
 xformVecInPlace (LVecBase2d v)
 The matrix transforms a 2-component vector (without translation component). More...
 
 xformVecInPlace (LVecBase3d v)
 The matrix transforms a 3-component vector. More...
 

Static Public Member Functions

static const LMatrix3d convertMat (CoordinateSystem from, CoordinateSystem to)
 Returns a matrix that transforms from the indicated coordinate system to the indicated coordinate system. More...
 
static TypeHandle getClassType ()
 
static const LMatrix3d identMat ()
 Returns an identity matrix. More...
 
static LMatrix3d rotateMat (double angle)
 Returns a matrix that rotates by the given angle in degrees counterclockwise. More...
 
static LMatrix3d rotateMat (double angle, const LVecBase3d axis, CoordinateSystem cs)
 Returns a matrix that rotates by the given angle in degrees counterclockwise about the indicated vector. More...
 
static LMatrix3d rotateMatNormaxis (double angle, const LVecBase3d axis, CoordinateSystem cs)
 Returns a matrix that rotates by the given angle in degrees counterclockwise about the indicated vector. More...
 
static LMatrix3d scaleMat (const LVecBase2d scale)
 Returns a matrix that applies the indicated scale in each of the two axes. More...
 
static LMatrix3d scaleMat (const LVecBase3d scale)
 Returns a matrix that applies the indicated scale in each of the three axes. More...
 
static LMatrix3d scaleMat (double sx, double sy)
 Returns a matrix that applies the indicated scale in each of the two axes. More...
 
static LMatrix3d scaleMat (double sx, double sy, double sz)
 Returns a matrix that applies the indicated scale in each of the three axes. More...
 
static LMatrix3d scaleShearMat (const LVecBase3d scale, const LVecBase3d shear, CoordinateSystem cs)
 Returns a matrix that applies the indicated scale and shear. More...
 
static LMatrix3d scaleShearMat (double sx, double sy, double sz, double shxy, double shxz, double shyz, CoordinateSystem cs)
 Returns a matrix that applies the indicated scale and shear. More...
 
static LMatrix3d shearMat (const LVecBase3d shear, CoordinateSystem cs)
 Returns a matrix that applies the indicated shear in each of the three planes. More...
 
static LMatrix3d shearMat (double shxy, double shxz, double shyz, CoordinateSystem cs)
 Returns a matrix that applies the indicated shear in each of the three planes. More...
 
static int size ()
 Returns 3: the number of rows of a LMatrix3. More...
 
static LMatrix3d translateMat (const LVecBase2d trans)
 Returns a matrix that applies the indicated translation. More...
 
static LMatrix3d translateMat (double tx, double ty)
 Returns a matrix that applies the indicated translation. More...
 

Public Attributes

LVecBase3d cols []
 
LVecBase3d rows []
 

Detailed Description

This is a 3-by-3 transform matrix.

It typically will represent either a rotation-and-scale (no translation) matrix in 3-d, or a full affine matrix (rotation, scale, translation) in 2-d, e.g. for a texture matrix.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum
Enumerator
num_components 
is_int 

Member Function Documentation

◆ __init__() [1/4]

__init__ ( )

◆ __init__() [2/4]

__init__ ( const LMatrix3d  other)

◆ __init__() [3/4]

__init__ ( const  LVecBase3d,
const  LVecBase3d,
const  LVecBase3d 
)

Constructs the matrix from three individual rows.

◆ __init__() [4/4]

__init__ ( double  ,
double  ,
double  ,
double  ,
double  ,
double  ,
double  ,
double  ,
double   
)

◆ __reduce__()

object __reduce__ ( )

◆ __repr__()

str __repr__ ( )

◆ addHash() [1/2]

int addHash ( int  hash)

Adds the vector into the running hash.

◆ addHash() [2/2]

int addHash ( int  hash,
double  threshold 
)

Adds the vector into the running hash.

◆ almostEqual() [1/2]

bool almostEqual ( const LMatrix3d  other)

Returns true if two matrices are memberwise equal within a default tolerance based on the numeric type.

◆ almostEqual() [2/2]

bool almostEqual ( const LMatrix3d  other,
double  threshold 
)

Returns true if two matrices are memberwise equal within a specified tolerance.

◆ compareTo() [1/2]

int compareTo ( const LMatrix3d  other)

This flavor of compare_to uses a default threshold value based on the numeric type.

◆ compareTo() [2/2]

int compareTo ( const LMatrix3d  other,
double  threshold 
)

Sorts matrices lexicographically, componentwise.

Returns a number less than 0 if this matrix sorts before the other one, greater than zero if it sorts after, 0 if they are equivalent (within the indicated tolerance).

◆ componentwiseMult()

componentwiseMult ( const LMatrix3d  other)

◆ convertMat()

static const LMatrix3d convertMat ( CoordinateSystem  from,
CoordinateSystem  to 
)
static

Returns a matrix that transforms from the indicated coordinate system to the indicated coordinate system.

◆ determinant()

double determinant ( )

Returns the determinant of the matrix.

◆ fill()

fill ( double  fill_value)

Sets each element of the matrix to the indicated fill_value.

This is of questionable value, but is sometimes useful when initializing to zero.

◆ generateHash() [1/2]

generateHash ( ChecksumHashGenerator  hashgen)

Adds the vector to the indicated hash generator.

◆ generateHash() [2/2]

generateHash ( ChecksumHashGenerator  hashgen,
double  threshold 
)

Adds the vector to the indicated hash generator.

◆ getCell()

double getCell ( int  row,
int  col 
)

Returns a particular element of the matrix.

◆ getClassType()

static TypeHandle getClassType ( )
static

◆ getCol()

LVecBase3d getCol ( int  col)

Returns the indicated column of the matrix as a three-component vector.

◆ getCol2()

LVecBase2d getCol2 ( int  col)

Returns the indicated column of the matrix as a two-component vector, ignoring the last row.

◆ getCol2s()

list getCol2s ( )

◆ getCols()

list getCols ( )

◆ getData()

getData ( )

Returns the address of the first of the nine data elements in the matrix.

The remaining elements occupy the next eight positions in row-major order.

◆ getHash() [1/2]

int getHash ( )

Returns a suitable hash for phash_map.

◆ getHash() [2/2]

int getHash ( double  threshold)

Returns a suitable hash for phash_map.

◆ getNumComponents()

int getNumComponents ( )

Returns the number of elements in the matrix, nine.

◆ getRow() [1/2]

getRow ( LVecBase3d  result_vec,
int  row 
)

Stores the indicated row of the matrix as a three-component vector.

◆ getRow() [2/2]

LVecBase3d getRow ( int  row)

Returns the indicated row of the matrix as a three-component vector.

◆ getRow2()

LVecBase2d getRow2 ( int  row)

Returns the indicated row of the matrix as a two-component vector, ignoring the last column.

◆ getRow2s()

list getRow2s ( )

◆ getRows()

list getRows ( )

◆ identMat()

static const LMatrix3d identMat ( )
static

Returns an identity matrix.

This function definition must appear first, since some inline functions below take advantage of it.

◆ invertFrom()

bool invertFrom ( const LMatrix3d  other)

Computes the inverse of the other matrix, and stores the result in this matrix.

This is a fully general operation and makes no assumptions about the type of transform represented by the matrix.

The other matrix must be a different object than this matrix. However, if you need to invert a matrix in place, see invert_in_place.

The return value is true if the matrix was successfully inverted, false if there was a singularity.

◆ invertInPlace()

bool invertInPlace ( )

Inverts the current matrix.

Returns true if the inverse is successful, false if the matrix was singular.

◆ invertTransposeFrom() [1/2]

bool invertTransposeFrom ( const LMatrix3d  other)

Simultaneously computes the inverse of the indicated matrix, and then the transpose of that inverse.

◆ invertTransposeFrom() [2/2]

bool invertTransposeFrom ( const LMatrix4d  other)

Simultaneously computes the inverse of the indicated matrix, and then the transpose of that inverse.

◆ isIdentity()

bool isIdentity ( )

Returns true if this is (close enough to) the identity matrix, false otherwise.

◆ isNan()

bool isNan ( )

Returns true if any component of the matrix is not-a-number, false otherwise.

◆ multiply()

multiply ( const LMatrix3d  other1,
const LMatrix3d  other2 
)

◆ operator !=()

bool operator != ( const LMatrix3d  other)

◆ operator *() [1/2]

LMatrix3d operator * ( const LMatrix3d  other)

◆ operator *() [2/2]

LMatrix3d operator * ( double  scalar)

◆ operator *=() [1/2]

LMatrix3d operator *= ( const LMatrix3d  other)

◆ operator *=() [2/2]

LMatrix3d operator *= ( double  scalar)

Performs a memberwise scale.

◆ operator -=()

LMatrix3d operator -= ( const LMatrix3d  other)

Performs a memberwise subtraction between two matrices.

◆ operator []() [1/2]

LMatrix3d::Row operator [] ( int  i)

◆ operator []() [2/2]

LMatrix3d::CRow operator [] ( int  i)

◆ operator new()

operator new ( int  size)

◆ operator()() [1/2]

operator() ( int  row,
int  col 
)

◆ operator()() [2/2]

double operator() ( int  row,
int  col 
)

◆ operator+=()

LMatrix3d operator+= ( const LMatrix3d  other)

Performs a memberwise addition between two matrices.

◆ operator/()

LMatrix3d operator/ ( double  scalar)

◆ operator/=()

LMatrix3d operator/= ( double  scalar)

Performs a memberwise scale.

◆ operator<()

bool operator< ( const LMatrix3d  other)

◆ operator=() [1/2]

LMatrix3d operator= ( const LMatrix3d  other)

◆ operator=() [2/2]

LMatrix3d operator= ( double  fill_value)

◆ operator==()

bool operator== ( const LMatrix3d  other)

◆ output()

output ( Ostream  out)

◆ readDatagram()

readDatagram ( DatagramIterator  source)

Reads the matrix from the Datagram using get_stdfloat().

◆ readDatagramFixed()

readDatagramFixed ( DatagramIterator  scan)

Reads the matrix from the Datagram using get_float32() or get_float64().

See write_datagram_fixed().

◆ rotateMat() [1/2]

static LMatrix3d rotateMat ( double  angle)
static

Returns a matrix that rotates by the given angle in degrees counterclockwise.

◆ rotateMat() [2/2]

static LMatrix3d rotateMat ( double  angle,
const LVecBase3d  axis,
CoordinateSystem  cs 
)
static

Returns a matrix that rotates by the given angle in degrees counterclockwise about the indicated vector.

◆ rotateMatNormaxis()

static LMatrix3d rotateMatNormaxis ( double  angle,
const LVecBase3d  axis,
CoordinateSystem  cs 
)
static

Returns a matrix that rotates by the given angle in degrees counterclockwise about the indicated vector.

Assumes axis has been normalized.

◆ scaleMat() [1/4]

static LMatrix3d scaleMat ( const LVecBase2d  scale)
static

Returns a matrix that applies the indicated scale in each of the two axes.

◆ scaleMat() [2/4]

static LMatrix3d scaleMat ( const LVecBase3d  scale)
static

Returns a matrix that applies the indicated scale in each of the three axes.

◆ scaleMat() [3/4]

static LMatrix3d scaleMat ( double  sx,
double  sy 
)
static

Returns a matrix that applies the indicated scale in each of the two axes.

◆ scaleMat() [4/4]

static LMatrix3d scaleMat ( double  sx,
double  sy,
double  sz 
)
static

Returns a matrix that applies the indicated scale in each of the three axes.

◆ scaleShearMat() [1/2]

static LMatrix3d scaleShearMat ( const LVecBase3d  scale,
const LVecBase3d  shear,
CoordinateSystem  cs 
)
static

Returns a matrix that applies the indicated scale and shear.

◆ scaleShearMat() [2/2]

static LMatrix3d scaleShearMat ( double  sx,
double  sy,
double  sz,
double  shxy,
double  shxz,
double  shyz,
CoordinateSystem  cs 
)
static

Returns a matrix that applies the indicated scale and shear.

◆ set()

set ( double  e00,
double  e01,
double  e02,
double  e10,
double  e11,
double  e12,
double  e20,
double  e21,
double  e22 
)

◆ setCell()

setCell ( int  row,
int  col,
double  value 
)

Changes a particular element of the matrix.

◆ setCol() [1/2]

setCol ( int  col,
const LVecBase2d  v 
)

Replaces the indicated column of the matrix from a two-component vector, ignoring the last row.

◆ setCol() [2/2]

setCol ( int  col,
const LVecBase3d  v 
)

Replaces the indicated column of the matrix from a three-component vector.

◆ setRotateMat() [1/2]

setRotateMat ( double  angle)

Fills mat with a matrix that rotates by the given angle in degrees counterclockwise.

◆ setRotateMat() [2/2]

setRotateMat ( double  angle,
const LVecBase3d  axis,
CoordinateSystem  cs 
)

Fills mat with a matrix that rotates by the given angle in degrees counterclockwise about the indicated vector.

◆ setRotateMatNormaxis()

setRotateMatNormaxis ( double  angle,
const LVecBase3d  axis,
CoordinateSystem  cs 
)

Fills mat with a matrix that rotates by the given angle in degrees counterclockwise about the indicated vector.

Assumes axis has been normalized.

◆ setRow() [1/2]

setRow ( int  row,
const LVecBase2d  v 
)

Replaces the indicated row of the matrix from a two-component vector, ignoring the last column.

◆ setRow() [2/2]

setRow ( int  row,
const LVecBase3d  v 
)

Replaces the indicated row of the matrix from a three-component vector.

◆ setScaleMat() [1/2]

setScaleMat ( const LVecBase2d  scale)

Fills mat with a matrix that applies the indicated scale in each of the two axes.

◆ setScaleMat() [2/2]

setScaleMat ( const LVecBase3d  scale)

Fills mat with a matrix that applies the indicated scale in each of the three axes.

◆ setScaleShearMat()

setScaleShearMat ( const LVecBase3d  scale,
const LVecBase3d  shear,
CoordinateSystem  cs 
)

Fills mat with a matrix that applies the indicated scale and shear.

◆ setShearMat()

setShearMat ( const LVecBase3d  shear,
CoordinateSystem  cs 
)

Fills mat with a matrix that applies the indicated shear in each of the three planes.

◆ setTranslateMat()

setTranslateMat ( const LVecBase2d  trans)

Fills mat with a matrix that applies the indicated translation.

◆ shearMat() [1/2]

static LMatrix3d shearMat ( const LVecBase3d  shear,
CoordinateSystem  cs 
)
static

Returns a matrix that applies the indicated shear in each of the three planes.

◆ shearMat() [2/2]

static LMatrix3d shearMat ( double  shxy,
double  shxz,
double  shyz,
CoordinateSystem  cs 
)
static

Returns a matrix that applies the indicated shear in each of the three planes.

◆ size()

static int size ( )
static

Returns 3: the number of rows of a LMatrix3.

◆ translateMat() [1/2]

static LMatrix3d translateMat ( const LVecBase2d  trans)
static

Returns a matrix that applies the indicated translation.

◆ translateMat() [2/2]

static LMatrix3d translateMat ( double  tx,
double  ty 
)
static

Returns a matrix that applies the indicated translation.

◆ transposeFrom()

transposeFrom ( const LMatrix3d  other)

◆ transposeInPlace()

transposeInPlace ( )

◆ write()

write ( Ostream  out,
int  indent_level 
)

◆ writeDatagram()

writeDatagram ( Datagram  destination)

Writes the matrix to the Datagram using add_stdfloat().

This is appropriate when you want to write the matrix using the standard width setting, especially when you are writing a bam file.

◆ writeDatagramFixed()

writeDatagramFixed ( Datagram  destination)

Writes the matrix to the Datagram using add_float32() or add_float64(), depending on the type of floats in the matrix, regardless of the setting of Datagram::set_stdfloat_double().

This is appropriate when you want to write a fixed-width value to the datagram, especially when you are not writing a bam file.

◆ xform()

LVecBase3d xform ( const LVecBase3d  v)

3-component vector or point times matrix.

◆ xformInPlace()

xformInPlace ( LVecBase3d  v)

3-component vector or point times matrix.

◆ xformPoint()

LVecBase2d xformPoint ( const LVecBase2d  v)

The matrix transforms a 2-component point (including translation component) and returns the result.

This assumes the matrix is an affine transform.

◆ xformPointInPlace()

xformPointInPlace ( LVecBase2d  v)

The matrix transforms a 2-component point (including translation component).

This assumes the matrix is an affine transform.

◆ xformVec() [1/2]

LVecBase2d xformVec ( const LVecBase2d  v)

The matrix transforms a 2-component vector (without translation component) and returns the result.

This assumes the matrix is an affine transform.

◆ xformVec() [2/2]

LVecBase3d xformVec ( const LVecBase3d  v)

The matrix transforms a 3-component vector and returns the result.

This assumes the matrix is an orthonormal transform.

In practice, this is the same computation as xform().

◆ xformVecGeneral()

LVecBase3d xformVecGeneral ( const LVecBase3d  v)

The matrix transforms a 3-component vector (without translation component) and returns the result, as a fully general operation.

◆ xformVecGeneralInPlace()

xformVecGeneralInPlace ( LVecBase3d  v)

The matrix transforms a 3-component vector (without translation component), as a fully general operation.

◆ xformVecInPlace() [1/2]

xformVecInPlace ( LVecBase2d  v)

The matrix transforms a 2-component vector (without translation component).

This assumes the matrix is an affine transform.

◆ xformVecInPlace() [2/2]

xformVecInPlace ( LVecBase3d  v)

The matrix transforms a 3-component vector.

This assumes the matrix is an orthonormal transform.

In practice, this is the same computation as xform().

Member Data Documentation

◆ cols

LVecBase3d cols[]

◆ rows

LVecBase3d rows[]