{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.scale-q10858537","code":"thing-q10858537","url":"https://ver.cy/models/thing/q10858537/","name":"scale","alternateNames":["square root scale","scale model size","rail transport modelling scale"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.REL"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The ratio between the size of a representation and the size of the thing represented, as in maps, architectural drawings and scale models, such as 1:100 or model railway scales like H0 (1:87).","purpose":"Let an agent handle scale ratios by notation, conversion and domain conventions, including map and modelling scales.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Ratio of representation to reality","Large scale means more detail on maps","Domain-specific conventions","Musical and weighing scales are other senses"],"structure":{"bundles":[{"id":"ratio","name":"Ratio","description":"Which scale.","layers":[{"id":"notation","name":"Notation","description":"1:n.","findings":[{"id":"notation-finding","name":"Notation","description":"Scale ratio.","questions":[{"text":"What is the scale ratio?","kind":"measurement"},{"text":"Is it stated or shown by a bar?","kind":"definition"}]}]},{"id":"conversion","name":"Conversion","description":"Real sizes.","findings":[{"id":"conversion-finding","name":"Conversion","description":"Conversion.","questions":[{"text":"What real size corresponds to this measured size?","kind":"measurement"},{"text":"Is the drawing printed at true scale?","kind":"boundary"}]}]}]},{"id":"maps","name":"Maps","description":"Map scales.","layers":[{"id":"detail","name":"Detail","description":"Large vs small scale.","findings":[{"id":"detail-finding","name":"Detail","description":"Map detail.","questions":[{"text":"Is this a large- or small-scale map?","kind":"definition"},{"text":"What detail can it show?","kind":"definition"}]}]},{"id":"distortion","name":"Distortion","description":"Projection.","findings":[{"id":"distortion-finding","name":"Distortion","description":"Scale variation.","questions":[{"text":"Does scale vary across the map projection?","kind":"boundary"},{"text":"Where is it true?","kind":"definition"}]}]}]},{"id":"models","name":"Models","description":"Modelling scales.","layers":[{"id":"named","name":"Named scales","description":"H0, N, OO.","findings":[{"id":"named-finding","name":"Named","description":"Named scales.","questions":[{"text":"Which named scale is this model?","kind":"definition"},{"text":"What ratio and gauge does it use?","kind":"measurement"}]}]},{"id":"compatibility","name":"Compatibility","description":"Mixing.","findings":[{"id":"compatibility-finding","name":"Compatibility","description":"Compatibility.","questions":[{"text":"Are these models compatible in scale and gauge?","kind":"boundary"},{"text":"Which standard applies?","kind":"provenance"}]}]}]},{"id":"senses","name":"Senses","description":"Disambiguation.","layers":[{"id":"other","name":"Other senses","description":"Music, weighing, fish.","findings":[{"id":"other-finding","name":"Senses","description":"Other senses.","questions":[{"text":"Is a musical scale, a weighing scale or fish scales meant?","kind":"boundary"},{"text":"Which entry fits?","kind":"action"}]}]},{"id":"nonlinear","name":"Non-linear","description":"Log and root scales.","findings":[{"id":"nonlinear-finding","name":"Nonlinear","description":"Non-linear scales.","questions":[{"text":"Is a non-linear chart scale meant?","kind":"boundary"},{"text":"How should it be read?","kind":"definition"}]}]}]}]},"agentConduct":{"may":["State and convert scales on maps, drawings and models.","Check that measurements taken from a drawing account for its scale."],"mustNot":["Take measurements from a drawing whose scale is unknown or distorted and present them as reliable.","Misstate the scale of a map used for navigation or boundaries.","Present scaled models as full-size in marketing."],"requiresHuman":["Using measurements from a scaled drawing for construction or legal boundaries."]},"ethics":{"considerations":["Scale errors in plans can cause structural or boundary disputes.","Misleading scale in visuals can deceive buyers."],"affectedParties":["Builders and owners","Map users","Buyers"]},"owners":{"steward":"Nobody owns the concept; the author of each drawing answers for its scale.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11563","type":"parent","note":"registry parent class"},{"target":"Q3481047","type":"parent","note":"registry parent class"},{"target":"ratio","type":"related","note":"category"},{"target":"map and scale model","type":"related","note":"applications"},{"target":"scale (music) and weighing scale","type":"related","note":"other senses"},{"target":"measurement","type":"related","note":"quantity"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.scale-q10858537","Wikidata: Q10858537 (https://www.wikidata.org/wiki/Q10858537)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Ratio notation 1:n","Scale bars","Named model scales such as H0 or N","Ratios such as 1:50000 or scale bars on maps."]},"capabilities":{"applicability":"required","items":["convert between real and scaled sizes","choose a suitable scale","read map scales","match model scales"]},"hazards":{"applicability":"required","items":["Confusing large and small scale","Scaling errors after printing or resizing","Mixing model scales"]},"interfaces":{"applicability":"required","items":["ISO 5455 technical drawings scales","NEM and NMRA model railway standards"]},"context":{"applicability":"required","items":["Representing large or small things at a usable size.","map scales","architectural and engineering drawing scales","model scales such as railway gauges","non-linear scales such as square root scales"]}},"sources":[{"title":"Wikidata item Q10858537: scale","url":"https://www.wikidata.org/wiki/Q10858537","note":"identity and sense of the item"},{"title":"Wikipedia: Scale (ratio)","url":"https://en.wikipedia.org/wiki/Scale_%28ratio%29","note":"general description of the item"}],"openQuestions":["Should model scales be separate entries?","How should non-linear scales be split off?","How should other senses be split off?"],"resources":{"spec":"/models/things/publications/thing-q10858537/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q10858537/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T07:40:03Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:53+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties."},"score":1.0}}