view::OrientationType in std::view

WARNING: This type is experimental and may change or be removed.

A standard camera orientation for a named view.

The six axis-aligned orientations name the side of the model the camera looks at; Isometric is the standard three-quarter view.

Variant	Description
`Front`	The camera looks at the front of the model.
`Back`	The camera looks at the back of the model.
`Left`	The camera looks at the left side of the model.
`Right`	The camera looks at the right side of the model.
`Top`	The camera looks down at the top of the model.
`Bottom`	The camera looks up at the bottom of the model.
`Isometric`	The standard three-quarter view, showing three faces of the model at once.