%YAML 1.1
---
$schema: "http://stsci.edu/schemas/yaml-schema/draft-01"
id: "http://stsci.edu/schemas/asdf/transform/quadcube-1.1.0"
title: |
  Base class of all quadcube projections.

description: |
  Quadrilateralized spherical cube (quad-cube) projections belong to
  the class of polyhedral projections in which the sphere is projected
  onto the surface of an enclosing polyhedron.

  The six faces of the quad-cube projections are numbered and laid out
  as:

  ```
              0
        4 3 2 1 4 3 2
              5
  ```

allOf:
  - $ref: "transform-1.1.0"
  - type: object
    properties:
      direction:
        enum: [pix2sky, sky2pix]
        default: pix2sky
...
