Copperplate Shade Classifier
Classify round-hand shading under the stated bands on the thick-to-thin stroke-width ratio: below 1.5 monoline, below 3 moderate_shading, and from 3 upward full_copperplate_shading.
Description
Classify round-hand shading under the stated bands on the thick-to-thin stroke-width ratio: below 1.5 monoline, below 3 moderate_shading, and from 3 upward full_copperplate_shading.
Copperplate Shade Classifier: Classify round-hand shading under the stated bands on the thick-to-thin stroke-width ratio: below 1.5 monoline, below 3 moderate_shading, and from 3 upward full_copperplate_shading.
When to use Copperplate Shade Classifier
Use this palaeographic utility to apply a stated dating, script, abbreviation, codicological, metrological, layout, or condition rule consistently while preparing manuscripts for scholarly review.
- Thick stroke
- Measured width of the heaviest downstroke in millimetres.
- Thin stroke
- Measured width of the finest hairline in millimetres.
How Copperplate Shade Classifier works
Classify round-hand shading under the stated bands on the thick-to-thin stroke-width ratio: below 1.5 monoline, below 3 moderate_shading, and from 3 upward full_copperplate_shading. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.1
- Contrast ratio
- Thick stroke width divided by thin stroke width.
- Shading class
- Stated-band shading classification.
Limitations and assumptions
- Script and manuscript evidence varies by language, region, institution, period, scribe, material, restoration, and cataloguing convention. A heuristic flag or score is not an authoritative date, hand attribution, reading, provenance, or conservation diagnosis.
- Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.
Alternative or Complementary approaches
Retain page images, scale, foliation, material, provenance, diplomatic transcription, uncertainty, and comparison exemplars; confirm conclusions with codicological context and specialist judgment.
References
-
Palaeography — Wikipedia contributors
Similar or alternative tools
- Manuscript Format Classifier
Classify a codicological format from measured leaf height under the stated adjustable band convention (foliage of at least 280 mm is folio, 200-279 quarto, 130-199 octavo, below 130 small format) and report the exact width-to-height aspect ratio.
- Coptic Module Ratio Classifier
Divide measured letter height by measured pen-nib width for a Coptic hand and classify the module as fine, medium or broad using YOUR supplied thresholds (required inputs, since no single scholarly convention is universal).
- Wormhole Density Rater
Convert counted wormholes on a measured leaf into holes per square decimetre with exact arithmetic and rate them on the stated bands (none at zero, light under two, moderate under six, heavy from six).