transform_about_centre

menpo.transform.transform_about_centre(obj, transform)

Return a Transform that implements transforming an object about its centre. The given object must be transformable and must implement a method to provide the object centre. More precisely, the object will be translated to the origin (according to it’s centre), transformed, and then translated back to it’s previous position.

Parameters:

• obj (Transformable) – A transformable object that has the centre method.
• transform (ComposableTransform) – A composable transform.

Returns:

transform (Homogeneous) – A homogeneous transform that implements the scaling.