Description
Compare supplied parent and daughter generation numbers.
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.
Compare supplied parent and daughter generation numbers.
When to use this tool
Use Lineage Daughter Parent Generation Step when you already have parentGeneration, daughterGeneration and need to compare supplied parent and daughter generation numbers.
How to use the tool and how it works
- Enter parentGeneration, daughterGeneration. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read generationStep, immediateNextGeneration. Inspect immediateNextGeneration before interpreting the associated values.
Require both nonnegative safe integers; step=daughter-parent, immediateNextGeneration=daughter===parent+1.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| parentGeneration | Parent Generation | Required. Safe integer; minimum 0. |
| daughterGeneration | Daughter Generation | Required. Safe integer; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| generationStep | Generation Step | Required. Safe integer. |
| immediateNextGeneration | Exact supplied integer comparison daughter===parent+1; no biological relation is verified. | Required. Boolean. |
{
"input": {
"parentGeneration": 3,
"daughterGeneration": 4
},
"output": {
"generationStep": 1,
"immediateNextGeneration": true
}
}Limitations and assumptions
- Negative and multi-generation steps are retained. No ancestry, cell division, biological generation assignment or lineage validity is established.
- 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.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
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
Similar or alternative tools
- Somite Count Asymmetric Pair
Calculate total and right-minus-left supplied somite counts.
- Lineage Branch Sibling Order Label
Label a supplied one-based child order under a parent identifier.