10.1.4.15. Transformation¶

Module to implement transformations like scale, rotation and translation.

For resources on transformations see this section.

class Patro.GeometryEngine.Transformation.AffineTransformation(obj, transformation_type=<TransformationType.Generic: 9>)[source]¶

Bases: Patro.GeometryEngine.Transformation.Transformation

classmethod RotationAt(center, angle)[source]¶

classmethod Translation(vector)[source]¶

matrix_part¶

translation_part¶

class Patro.GeometryEngine.Transformation.AffineTransformation2D(obj, transformation_type=<TransformationType.Generic: 9>)[source]¶

Bases: Patro.GeometryEngine.Transformation.AffineTransformation

classmethod Rotation(angle)[source]¶

classmethod Scale(x_scale, y_scale)[source]¶

classmethod Screen(y_height)[source]¶

__dimension__ = 2¶

__mul__(obj)[source]¶

Return self * obj composition.

__size__ = 3¶

_check_type()[source]¶

exception Patro.GeometryEngine.Transformation.IncompatibleArrayDimension[source]¶

Bases: ValueError

class Patro.GeometryEngine.Transformation.Transformation(obj, transformation_type=<TransformationType.Generic: 9>)[source]¶

Bases: object

classmethod Identity()[source]¶

__dimension__ = None¶

__imul__(obj)[source]¶

Set transformation to obj * self composition.

__init__(obj, transformation_type=<TransformationType.Generic: 9>)[source]¶

Initialize self. See help(type(self)) for accurate signature.

__mul__(obj)[source]¶

Return self * obj composition.

__repr__()[source]¶

Return repr(self).

__size__ = None¶

_check_type()[source]¶

_mul_type(obj)[source]¶

array¶

dimension¶

is_identity¶

same_dimension(other)[source]¶

size¶

to_list()[source]¶

type¶

class Patro.GeometryEngine.Transformation.Transformation2D(obj, transformation_type=<TransformationType.Generic: 9>)[source]¶

Bases: Patro.GeometryEngine.Transformation.Transformation

classmethod Parity()[source]¶

classmethod Rotation(angle)[source]¶

classmethod Scale(x_scale, y_scale=None)[source]¶

classmethod XReflection()[source]¶

classmethod YReflection()[source]¶

__dimension__ = 2¶

__size__ = 2¶

_check_type()[source]¶

classmethod check_matrix_type(matrix)[source]¶

classmethod type_for_scale(x_scale, y_scale)[source]¶

class Patro.GeometryEngine.Transformation.TransformationType[source]¶

Bases: enum.Enum

An enumeration.

Generic = 9¶

Identity = 1¶

Parity = 4¶

Rotation = 7¶

Scale = 2¶

Shear = 3¶

Translation = 8¶

XParity = 5¶

YParity = 6¶