Class: QgsVector3D

Class for storage of 3D vectors similar to QVector3D, with the difference that it uses double precision instead of single precision floating point numbers.

Methods

distance	Returns the distance with the other QgsVector3D
isNull	Returns True if all three coordinates are zero
length	Returns the length of the vector
normalize	Normalizes the current vector in place.
set	Sets vector coordinates
setX	Sets X coordinate
setY	Sets Y coordinate
setZ	Sets Z coordinate
toString	Returns a string representation of the 3D vector.
toVector3D	Converts the current object to QVector3D
x	Returns X coordinate
y	Returns Y coordinate
z	Returns Z coordinate

Static Methods

crossProduct	Returns the cross product of two vectors
dotProduct	Returns the dot product of two vectors
perpendicularPoint	Returns the perpendicular point of vector vp from [v1 - v2]

class qgis.core.QgsVector3D

Bases: object

__init__()

Constructs a null vector

__init__(x: float, y: float, z: float)

Constructs a vector from given coordinates

Parameters:

• x (float)

• y (float)

• z (float)

__init__(v: QVector3D)

Constructs a vector from single-precision QVector3D

Parameters:

v (QVector3D)

__init__(a0: QgsVector3D)

Parameters:

a0 (QgsVector3D)

static crossProduct(v1: QgsVector3D, v2: QgsVector3D) → QgsVector3D

Returns the cross product of two vectors

Parameters:

• v1 (QgsVector3D)

• v2 (QgsVector3D)

Return type:

QgsVector3D

distance(self, other: QgsVector3D) → float

Returns the distance with the other QgsVector3D

Parameters:

other (QgsVector3D)

Return type:

float

static dotProduct(v1: QgsVector3D, v2: QgsVector3D) → float

Returns the dot product of two vectors

Parameters:

• v1 (QgsVector3D)

• v2 (QgsVector3D)

Return type:

float

isNull(self) → bool

Returns True if all three coordinates are zero

Return type:

bool

length(self) → float

Returns the length of the vector

Return type:

float

normalize(self)

Normalizes the current vector in place.

static perpendicularPoint(v1: QgsVector3D, v2: QgsVector3D, vp: QgsVector3D) → QgsVector3D

Returns the perpendicular point of vector vp from [v1 - v2]

Parameters:

• v1 (QgsVector3D)

• v2 (QgsVector3D)

• vp (QgsVector3D)

Return type:

QgsVector3D

set(self, x: float, y: float, z: float)

Sets vector coordinates

Parameters:

• x (float)

• y (float)

• z (float)

setX(self, x: float)

Sets X coordinate

Added in version 3.34.

Parameters:

x (float)

setY(self, y: float)

Sets Y coordinate

Added in version 3.34.

Parameters:

y (float)

setZ(self, z: float)

Sets Z coordinate

Added in version 3.34.

Parameters:

z (float)

toString(self, precision: int = 17) → str

Returns a string representation of the 3D vector. Members will be truncated to the specified precision.

Parameters:

precision (int = 17)

Return type:

str

toVector3D(self) → QVector3D

Converts the current object to QVector3D

Warning

the conversion may decrease the accuracy (double to float values conversion)

Added in version 3.24.

Return type:

QVector3D

x(self) → float

Returns X coordinate

Return type:

float

y(self) → float

Returns Y coordinate

Return type:

float

z(self) → float

Returns Z coordinate

Return type:

float