Caliper To Ball Size Lookup

Map actual measured calipers into explicit caller lower-inclusive root-ball sizing schedule then audit measured balls; distinct from named-tree catalog diameter/depth check, not universal standard or tree survival.

Description

A caliper-based root-ball schedule needs explicit lower-inclusive bands.

A caliper-based root-ball schedule needs explicit lower-inclusive bands. The observed stem size selects its required ball diameter.^[1]

Enter aligned nonempty nonnegative strictly increasing edges starting at zero/positive required diameters and aligned nonempty nonnegative calipers/positive observed balls. Return requirements and strict-below tree indices.

When to use Caliper To Ball Size Lookup

Use Caliper To Ball Size Lookup when you need to evaluate the supplied records under the calculation and evidence rules below. No official standard, survival or named-tree specification is invented.

Prepare the measured crop, container, lighting or inventory records requested. Supply verified local catalogs, calibration factors and crop-stage limits; keep units and dates consistent.

How to use Caliper To Ball Size Lookup and understand its results

Prepare the measured crop, container, lighting or inventory records requested. Supply verified local catalogs, calibration factors and crop-stage limits; keep units and dates consistent.
Enter callerCaliperBandLowerEdgesCm, callerRootBallMinimumDiametersCm, observedStemCalipersCm, observedRootBallDiametersCm using the field table and calculation rules, then run the tool.
Read callerRequiredBallDiametersCm, treesBelowCallerCaliperBallSchedule. The explanation below defines the units, signs, ordering and any flags or placeholder values.
If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.

Input field	Meaning	Value type; see rules below	Requirement
callerCaliperBandLowerEdgesCm	Caller caliper band lower edges cm	list of number	Required
callerRootBallMinimumDiametersCm	Caller root ball minimum diameters cm	list of number	Required
observedStemCalipersCm	Observed stem calipers cm	list of number	Required
observedRootBallDiametersCm	Observed root ball diameters cm	list of number	Required

required=diameter at greatest lower edge≤caliper

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output field	Meaning	Value type
callerRequiredBallDiametersCm	Caller required ball diameters cm	list of number
treesBelowCallerCaliperBallSchedule	Trees below caller caliper ball schedule	list of number

json

{
  "input": {
    "callerCaliperBandLowerEdgesCm": [
      0,
      2,
      4
    ],
    "callerRootBallMinimumDiametersCm": [
      20,
      40,
      60
    ],
    "observedStemCalipersCm": [
      1,
      3,
      4
    ],
    "observedRootBallDiametersCm": [
      20,
      39,
      65
    ]
  },
  "output": {
    "callerRequiredBallDiametersCm": [
      20,
      40,
      60
    ],
    "treesBelowCallerCaliperBallSchedule": [
      1
    ]
  }
}

Limitations and assumptions

No official standard, survival or named-tree specification is invented.

Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Numeric lists are limited to 10,000 entries; string lists to 128 strings of at most 128 characters each. The rules above may impose smaller limits. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use Balled Burlap Ball Diameter Spec Lookup: A verified tree specification can define separate root-ball diameter and depth requirements. Both margins matter to the local check. For a complementary task, use Grading Size Class Lookup: Plant grading requires an explicit size-band scheme and observed size evidence. Lower-inclusive edges determine exact-boundary assignments.

References

Caliper To Ball Size Lookup — tool.io

Similar or alternative tools

Balled Burlap Ball Diameter Spec Lookup
A verified tree specification can define separate root-ball diameter and depth requirements. Both margins matter to the local check.
Grading Size Class Lookup
Plant grading requires an explicit size-band scheme and observed size evidence. Lower-inclusive edges determine exact-boundary assignments.