Experimental Process Inputs¶

CWL example¶

cwlVersion: v1.2

class: CommandLineTool

label: "geo API - Processes"

baseCommand: cat

requirements:

  - class: InlineJavascriptRequirement

  - class: SchemaDefRequirement

    types:

      - $import: https://raw.githubusercontent.com/eoap/schemas/main/string_format.yaml

      - $import: https://raw.githubusercontent.com/eoap/schemas/main/experimental/api-endpoint.yaml

      - $import: https://raw.githubusercontent.com/eoap/schemas/main/experimental/process.yaml

  - class: InitialWorkDirRequirement

    listing:

      - entryname: inputs.yaml

        entry: |-

          $(inputs.api_endpoint.url.value)

---

          $(inputs.execute_request.process_id)

---

          $(inputs.execute_request.inputs)

inputs:

  api_endpoint:

    type: https://raw.githubusercontent.com/eoap/schemas/main/experimental/api-endpoint.yaml#APIEndpoint

    label: "OGC API endpoint"

    doc: "OGC API endpoint for Landsat-9 data"

  execute_request:

    type: https://raw.githubusercontent.com/eoap/schemas/main/experimental/process.yaml#OGCExecuteProcessSettings

    label: "OGC API Processes settings"

    doc: "OGC API Processes settings for Landsat-9 data"

arguments:

  - inputs.yaml

outputs:

  echo_output:

    type: stdout

stdout: process-output.yaml

Input example¶

api_endpoint:

  url:

    value: https://planetarycomputer.microsoft.com/api/ogc/processes/v1

  headers: []

execute_request:

  process_id: "water-body-detection"

  inputs:

    item:

      class: "https://raw.githubusercontent.com/eoap/schemas/main/url.yaml#URL"

      value: "https://planetarycomputer.microsoft.com/api/stac/v1/collections/landsat-c2-l2/items/LC08_L2SP_042033_20231007_02_T1"

    aoi: "-118.985,38.432,-118.183,38.938"

    bands:

      - "green"

      - "nir08"

    epsg: "EPSG:4326"

Execute the example¶

Run the example with:

cwltool examples/experimental/process.cwl examples/experimental/process.yaml

This produces the output:

INFO /opt/hostedtoolcache/Python/3.13.5/x64/bin/cwltool 3.1.20250715140722

INFO Resolved '../../examples/experimental/process.cwl' to 'file:///home/runner/work/schemas/schemas/examples/experimental/process.cwl'

INFO [job process.cwl] /tmp/q3dfqmpf$ cat \

    inputs.yaml > /tmp/q3dfqmpf/process-output.yaml

INFO [job process.cwl] completed success

INFO Final process status is success

The content of the echo_output.txt file is:

https://planetarycomputer.microsoft.com/api/ogc/processes/v1

---

water-body-detection

---

{"aoi": "-118.985,38.432,-118.183,38.938", "bands": ["green", "nir08"], "epsg": "EPSG:4326", "item": {"class": "https://raw.githubusercontent.com/eoap/schemas/main/url.yaml#URL", "value": "https://planetarycomputer.microsoft.com/api/stac/v1/collections/landsat-c2-l2/items/LC08_L2SP_042033_20231007_02_T1"}}