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Morphology Feature Missing Code

Keep explicitly coded missing and inapplicable morphology features separate without interpreting a morphological character.

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Description

Map a supplied morphology code to missing, inapplicable or recorded.

Developmental measurements depend on specimen identity, staging sources, coordinate registration, image scale and time-zero conventions. A section-area fraction differs from a volume, a generation-number step differs from verified lineage, and a midpoint of observations differs from an exact event time. Local scalar terms do not infer developmental mechanisms.

Map a supplied morphology code to missing, inapplicable or recorded.

When to use this tool

Use Morphology Feature Missing Code when you already have featureCode, recordedCode, missingCode, inapplicableCode and need to map a supplied morphology code to missing, inapplicable or recorded.

How to use the tool and how it works

  1. Enter featureCode, recordedCode, missingCode, inapplicableCode. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read status. Use the output convention below.

Require featureCode nonempty and missingCode!=inapplicableCode; test the recorded code against each, otherwise return recorded.1

Input fieldMeaning and unitsAccepted input
featureCodeFeature CodeRequired. Text; minimum UTF-16 length 1; maximum UTF-16 length 8192.
recordedCodeRecorded CodeRequired. Text; maximum UTF-16 length 8192.
missingCodeMissing CodeRequired. Text; maximum UTF-16 length 8192.
inapplicableCodeInapplicable CodeRequired. Text; maximum UTF-16 length 8192.
Output fieldInterpretationReturned shape
statusRecorded means neither supplied sentinel matched; it does not mean a recognized valid feature value.Required. Text; maximum UTF-16 length 8192.
json
{
  "input": {
    "featureCode": "F17",
    "recordedCode": "?",
    "missingCode": "?",
    "inapplicableCode": "-"
  },
  "output": {
    "status": "missing"
  }
}

Limitations and assumptions

  • Empty code strings are permitted if the two special codes differ. Recorded means neither sentinel, not a recognized or valid morphology value.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.

Alternative or Complementary methods

Inspect original specimens, calibrated images, acquisition timelines and staging references for biological interpretation. Use complete image, lineage and experimental analyses when needed; local ratios, source-qualified labels and supplied coordinate arithmetic do not perform those analyses.

References

  1. Calculation and input contract: developmental-biology/morphology-feature-missing-code — tool.io

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