Coordinates¶

Model definitions¶

Definition of an affine transform 3x4 matrix

Field	Type	Description
`affine_transform`	`List[List[float]]`

Definition an atlas

Field	Type	Description
`name`	AtlasName
`version`	`str`
`size`	`List[float]`
`size_unit`	SizeUnit
`resolution`	`List[float]`
`resolution_unit`	SizeUnit
`origin`	Origin	Defines the position of (0,0,0) in the coordinate system
`axes`	List[Axis]	Axis names and directions
`axis_unit`	SizeUnit

A point in an Atlas

Field	Type	Description
`coordinate_system`	Atlas
`translation`	`List[float]`

Linked direction and axis

Field	Type	Description
`name`	AxisName
`direction`	Direction	Direction of positive values along the axis

Definition of a coordinate system relative to a brain

Field	Type	Description
`name`	`str`
`origin`	Origin	Defines the position of (0,0,0) in the coordinate system
`axes`	List[Axis]	Axis names and directions
`axis_unit`	SizeUnit

Definition of a nonlinear transform

Field	Type	Description
`path`	`AssetPath`	Relative path from metadata json to file

Rotation

Rotations are applied as Euler angles in order X/Y/Z

Angles follow right-hand rule, with positive angles rotating counter-clockwise.

Field	Type	Description
`angles`	`List[float]`	Right-hand rule, positive angles rotate CCW
`angles_unit`	AngleUnit

Scale

Field	Type	Description
`scale`	`List[float]`

Translation

Field	Type	Description
`translation`	`List[float]`