%YAML 1.1
---
$schema: "http://stsci.edu/schemas/yaml-schema/draft-01"
id: "http://stsci.edu/schemas/gwcs/snell3d-1.2.0"
title: Snell Law in 3D space

description: |
  Snell Law in 3D.
  Inputs are index of refraction and direction cosines.
  Outputs are direction cosines.

$ref: "http://stsci.edu/schemas/asdf/transform/transform-1.3.0"
...
