Package empro :: Module empro :: Module geometry :: Class CoordinateSystem

Class CoordinateSystem

core.Updatable --+
                 |
                CoordinateSystem

Provides a coordinate system to facilitate the transformation of geometric data.

Class Hierarchy for CoordinateSystem

constructor CoordinateSystem(): Creates a default coordinate system with anchor = (0,0,0), primary direction = (1,0,0) and secondary direction = (0,1,0). constructor CoordinateSystem(iOrigin): Creates a coordinate system with given anchor point and default primary and secondary directions.

iOrigin - Anchor point. (Vector3d)

constructor CoordinateSystem(iOrigin, iPrimaryDirection, iSecondaryDirection):

iOrigin - Anchor point. (Vector3d)
iPrimaryDirection - Primary direction. (Vector3d)
iSecondaryDirection - Secondary direction. (Vector3d)

Instance Methods

Vector3d

origin()
Get the value of the origin.

CoordinateSystem

referenceCoordinateSystem()
Returns the reference coordinate system.

None

rotate(iAngleAboutU, iAngleAboutV, iAngleAboutW)
Rotates the coordinate system by the provided angles

BoundingBox3D

transform(iBoundingBox, iTransformationType)
Transforms a BoundingBox3D from one coordinate system to another.

Vector3d

transformDirection(iDirection, iTransformationType)
Transforms a direction from one coordinate system to another.

Vector3d

transformPosition(iPosition, iTransformationType)
Transforms a position from one coordinate system to another.

None

translate(iTranslation)
Translates the coordinate system by the provided vector

Vector3d

u()
Get the value of the u direction.

Vector3d

v()
Get the value of the v direction.

Vector3d

w()
Get the value of the w direction.

Inherited from core.Updatable: __enter__, __exit__, clone, hash, isValid, reasonWhyInvalid

Properties
CoordinateSystemAbstractPositionNone	anchorPoint Anchor point of the coordinate system.
CoordinateSystemAbstractDirectionNone	primaryDirection Primary direction of the coordinate system.
	rotation No documentation available.
CoordinateSystemAbstractDirectionNone	secondaryDirection Secondary direction of the coordinate system.
Vector3dNone	translation Translation of the coordinate system with respect to the absolute origin.

Method Details

rotate(iAngleAboutU, iAngleAboutV, iAngleAboutW)

Rotates the coordinate system by the provided angles

Parameters:

iAngleAboutU (float) - The angle in radians to rotate around u. (happens third)
iAngleAboutV (float) - The angle in radians to rotate around v. (happens second)
iAngleAboutW (float) - The angle in radians to rotate around w. (happens first)

Returns: None

transform(iBoundingBox, iTransformationType)

Transforms a BoundingBox3D from one coordinate system to another.

Parameters:

iBoundingBox (BoundingBox3D) - The bounding box to transform.
iTransformationType (string) - The type of the transformation {GlobalToLocal,LocalToGlobal,LocalToReference,ReferenceToLocal}

Returns: BoundingBox3D

transformDirection(iDirection, iTransformationType)

Transforms a direction from one coordinate system to another.

Parameters:

iDirection (Vector3d) - The direction to transform.
iTransformationType (string) - The type of the transformation {GlobalToLocal,LocalToGlobal,LocalToReference,ReferenceToLocal}

Returns: Vector3d

transformPosition(iPosition, iTransformationType)

Transforms a position from one coordinate system to another.

Parameters:

iPosition (Vector3d) - The position to transform.
iTransformationType (string) - The type of the transformation {GlobalToLocal,LocalToGlobal,LocalToReference,ReferenceToLocal}

Returns: Vector3d

translate(iTranslation)

Translates the coordinate system by the provided vector

Parameters:

iTranslation (Vector3d) - The translation vector.

Returns: None