Description
Sum areas, sum area times tint for solidEquivalentArea, and multiply that equivalent by one plus wasteFraction.
Print planning connects digital dimensions with physical sheets, ink coverage, folds, and binding. A numerical estimate becomes meaningful only after fixing physical units, material assumptions, and which areas or surfaces are counted.
Sum areas, sum area times tint for solidEquivalentArea, and multiply that equivalent by one plus wasteFraction.
When to use this tool
Use Spot Color Tint Ink Coverage Term when you need a print-production estimate from explicitly supplied dimensions and material factors.
How to use the tool and how it works
- Enter areas, tintFractions, wasteFraction. Keep parallel arrays aligned. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read printedArea, solidEquivalentArea, withWaste. Use the output convention below.
Require aligned nonnegative areas and tintFractions in [0, 1] and nonnegative wasteFraction. Sum areas, sum area times tint for solidEquivalentArea, and multiply that equivalent by one plus wasteFraction.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| areas | Areas | Required. Array of finite number; maximum items 256. |
| tintFractions | Tint Fractions | Required. Array of finite number; maximum items 256. |
| wasteFraction | Waste Fraction | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| printedArea | Printed Area | Required. Finite number. |
| solidEquivalentArea | Solid Equivalent Area | Required. Finite number. |
| withWaste | With Waste | Required. Finite number. |
{
"input": {
"areas": [
100,
50
],
"tintFractions": [
0.5,
0.8
],
"wasteFraction": 0.1
},
"output": {
"printedArea": 150,
"solidEquivalentArea": 90,
"withWaste": 99.00000000000001
}
}Limitations and assumptions
- Area and tint accounting does not estimate ink film thickness, press waste, dot gain, color appearance, or actual ink consumption; waste is an additive allowance on the computed equivalent area.
- 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
Confirm stock, binding, finishing, and output-resolution assumptions with the production specification. Use an imposed proof or physical sample when fold behavior, tolerances, or actual appearance matter.
References
Similar or alternative tools
- Ink Channel Overprint Base Flag
In overprint mode add both coverage amounts and report overlap as doubleInkCoverage; otherwise subtract overlap and report zero double ink.
- Halftone Dot Area Tone Factor
Use π/4 times diameter squared for a circular dot or diameter squared otherwise, divide by pitch squared for nominalCoverage, and flag coverage above one.