%YAML 1.1
---
$schema: "http://stsci.edu/schemas/yaml-schema/draft-01"
id: "http://stsci.edu/schemas/asdf/transform/constant-1.3.0"
title: >
  A transform that takes no inputs and always outputs a constant
  value.
description: |
  Invertibility: All ASDF tools are required to be able to compute the
  analytic inverse of this transform, which always outputs zero values.
allOf:
  - $ref: "transform-1.2.0"
  - type: object
    properties:
      value:
        anyOf:
          - $ref: "../unit/quantity-1.1.0"
          - type: number
    required: [value]
...
