Timberdoodle — Derivations

Configured derivations

Name	Kind	Window (s)	Output	Actions

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Runs through the same sandboxed POST /derivations/test and /dry-run endpoints the API exposes - nothing here is a new expression language, just a browser surface over it. See the Derivation API reference for the full field shapes per kind. The Form tab below builds the same config JSON field-by-field; switch to Raw JSON to hand-edit it directly (needed for anything the form doesn't cover, or to paste a config in whole). Loading a derivation puts its id in this page's URL - copy the address bar to send someone straight to it.

Kind Name Window (seconds) Interval override (seconds, optional) Output Brick class (optional) Output unit (optional) Output label (optional) Depends on (comma-separated derivation ids, optional)

Formula fields SPARQL select - binds target_var and every input_vars/extra_vars name Target var Input vars (comma-separated, read as point history series) Extra vars (comma-separated, passed through as raw values, optional) Applies-to topic glob (optional, triggers immediate re-evaluation) Input windows override (JSON object, optional)

Config (JSON) - name, kind ("formula" or "rollup"), the kind-specific selector fields (select/target_var/input_vars for formula, or root_select/part_relationship/leaf_point_class for rollup), window_seconds, output, depends_on fn_source - must define def run(inputs, row): ... test_cases (JSON array)

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Configured derivations

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