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94 | cwlVersion: v1.0
$graph:
- class: Workflow
id: main
requirements:
- class: MultipleInputFeatureRequirement
- class: ScatterFeatureRequirement
inputs:
red:
type: string
green:
type: string
blue:
type: string
outputs:
preview:
outputSource: node_gdal/preview
type: File[]
steps:
node_gdal:
in:
band: [red, green, blue]
out:
- preview
run:
"#gdal"
scatter: band
scatterMethod: dotproduct
- class: CommandLineTool
id: gdal
requirements:
InlineJavascriptRequirement: {}
EnvVarRequirement:
envDef:
PROJ_LIB: /srv/conda/envs/notebook/share/proj
hints:
DockerRequirement:
dockerPull: docker.io/osgeo/gdal
baseCommand: gdal_translate
arguments:
- -of
- PNG
- -ot
- Byte
- -srcwin
- "100"
- "100"
- "100"
- "100"
- valueFrom: |
${ if (inputs.band.startsWith("http")) {
return "/vsicurl/" + inputs.band;
} else {
return inputs.band;
}
}
- valueFrom: |
${ if (inputs.band.startsWith("http")) {
return inputs.band.split("/").slice(-1)[0].replace(".tif", ".png");
} else {
return inputs.band.replace(".tif", ".png");
}
}
inputs:
band:
type: string
outputs:
preview:
type: File
outputBinding:
glob: "*.png"
|
red: 'https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/10/T/FK/2021/7/S2B_10TFK_20210713_0_L2A/B04.tif'
green: 'https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/10/T/FK/2021/7/S2B_10TFK_20210713_0_L2A/B03.tif'
blue: 'https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/10/T/FK/2021/7/S2B_10TFK_20210713_0_L2A/B02.tif'