Description
Calculate area remaining outside supplied classified land-cover totals.
Environmental inventories distinguish wet/dry material, analytical detection limits, gas-volume reference states, represented area and allocation weights. A monitoring completeness fraction can exceed one when extra records are present. Supplied conversion and allocation factors need separate justification before physical or environmental interpretation.
Calculate area remaining outside supplied classified land-cover totals.
When to use this tool
Use Land Cover Unclassified Area Remainder when checking the stated environmental reporting, analytical, inventory or support convention.
How to use the tool and how it works
- Enter totalArea, classifiedAreas. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read classifiedArea, unclassifiedResidual. Use the output convention below.
Require totalArea>=0 and nonnegative classified-area entries. Sum classified areas and return total-sum as signed unclassifiedResidual.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| totalArea | Total Area | Required. Finite number; minimum 0. |
| classifiedAreas | Classified Areas | Required. Array of finite number; maximum items 256. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| classifiedArea | Classified Area | Required. Finite number. |
| unclassifiedResidual | Unclassified Residual | Required. Finite number. |
{
"input": {
"totalArea": 100,
"classifiedAreas": [
30,
45
]
},
"output": {
"classifiedArea": 75,
"unclassifiedResidual": 25
}
}Limitations and assumptions
- Overlaps are not unioned and classified sum may exceed total; negative residual is bookkeeping, not a verified land-cover map.
- 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
Use calibrated representative measurements and appropriate complete analytical, spatial or life-cycle methods for actual environmental conclusions and compliance decisions.
References
Similar or alternative tools
- Ecological Sample Represented Area Factor
Calculate represented area per sampled area under an explicit sampling basis.
- Land Cover Patch Edge Area Ratio Tool
Calculate land cover patch edge area ratio from explicit caller-supplied inputs.