{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.hatched-map","code":"thing-q357674","url":"https://ver.cy/models/thing/q357674/","name":"hatched map","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Information and virtual systems","entryKind":"thing","plane":"INF","domain":["INF.MED"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A hatched map, interpreted here as a hachure map, is a relief map that represents terrain slopes with short strokes oriented in the direction of steepest descent, using their weight or spacing to convey slope characteristics.","purpose":"Enable an agent to recognise a hatched map, assess how its relief strokes support terrain interpretation, and decide whether it can be compared, reproduced or transformed reliably.","scope":{"in":["Identification of relief hachures and their distinction from unrelated map hatching","Stroke conventions and their documented terrain meanings","Geographic coverage, scale and registration of the relief portrayal","Terrain evidence, cartographic generalisation and interpretive uncertainty","Relationships among the map work, relief expression, edition and individual copy","Conditions for reading, comparing, reproducing and transforming hachures"],"out":["The physical terrain and its current accessibility","Complete modelling of surveys, elevation datasets or terrain-generation software","Generic thematic area hatching without a relief function","Complete inventories of roads, settlements and other base-map features","Physical conservation of paper, printing plates and storage media","General copyright law beyond applicable rights records linked to this map"],"boundaries":[]},"distinguishingFeatures":["The marks serve a terrain-relief function rather than merely filling thematic regions or decorating water.","In conventional slope hachuring, strokes follow directions of greatest slope; this provides a recognition cue rather than a universal rule for every variant. See [OQLF terminology](https://vitrinelinguistique.oqlf.gouv.qc.ca/fiche-gdt/fiche/17086287/hachures).","Relief interpretation depends on discrete strokes and their arrangement, distinguishing the portrayal from a continuous hillshade image.","A contour-only map does not qualify unless a distinct hachure relief portrayal is also present.","The registry label appears consistent with Wikidata's 'hatched map' entry, described as a mode of representing relief, but that does not establish the registry's external identifier. See [Wikidata Q357674](https://www.wikidata.org/wiki/Q357674)."],"structure":{"bundles":[{"id":"relief-identity","name":"Relief identity","description":"Establish what qualifies as the registered thing and which marks perform its relief function.","layers":[{"id":"entry-interpretation","name":"Entry interpretation","description":"Resolve the relationship between the registry label, a relief technique and maps using it.","findings":[{"id":"map-technique-boundary","name":"Map-technique boundary","description":"Record whether the catalogued subject is a map representation or the hachuring technique, retaining the registry entry without creating an unsupported split.","questions":[{"text":"What registry evidence establishes whether this entry denotes maps using hachures or the technique itself?","id":"map-technique-boundary-q01","kind":"definition"},{"text":"Does an existing Vercy map or relief model already own this concept?","id":"map-technique-boundary-q02","kind":"boundary"}]}]},{"id":"mark-classification","name":"Mark classification","description":"Separate relief strokes from visually similar symbols and identify mixed portrayals.","findings":[{"id":"relief-function-evidence","name":"Relief-function evidence","description":"Require a legend, documented convention or qualified visual interpretation to classify strokes as relief hachures.","questions":[{"text":"Which evidence shows that these strokes portray relief rather than land cover, water or administrative categories?","id":"relief-function-evidence-q01","kind":"definition"},{"text":"Are hachures the principal relief portrayal or combined with contours, elevation tints or hillshade?","id":"relief-function-evidence-q02","kind":"boundary"}]}]}]},{"id":"hachure-semantics","name":"Hachure semantics","description":"Capture the rules connecting stroke geometry and visual weight to terrain interpretation.","layers":[{"id":"direction-and-arrangement","name":"Direction and arrangement","description":"Describe how stroke orientation and grouping participate in relief portrayal.","findings":[{"id":"orientation-rule","name":"Orientation rule","description":"Record the applicable direction rule and exceptions, without assuming that a stroke alone identifies which end is downhill.","questions":[{"text":"What documented relationship connects stroke orientation to terrain slope?","id":"orientation-rule-q01","kind":"definition"},{"text":"What additional evidence distinguishes uphill from downhill and ridges from valleys?","id":"orientation-rule-q02","kind":"measurement"}]}]},{"id":"visual-weight","name":"Visual weight","description":"Distinguish the meanings of width, spacing, length and darkness.","findings":[{"id":"encoding-calibration","name":"Encoding calibration","description":"Treat each visual variable as uncalibrated until the map's convention supports a specific interpretation.","questions":[{"text":"Which stroke variables encode slope, illumination or another documented property?","id":"encoding-calibration-q01","kind":"definition"},{"text":"Does the evidence support qualitative ordering, discrete classes or a numerical relationship?","id":"encoding-calibration-q02","kind":"measurement"},{"text":"Where do overlaps, lettering or printing variation prevent that relationship from being read?","id":"encoding-calibration-q03","kind":"boundary"}]}]}]},{"id":"spatial-and-terrain-evidence","name":"Spatial and terrain evidence","description":"Connect the relief portrayal to its geographic frame and underlying terrain information.","layers":[{"id":"geographic-frame","name":"Geographic frame","description":"Record coverage, scale, orientation and spatial registration.","findings":[{"id":"spatial-reference","name":"Spatial reference","description":"Distinguish the original map reference from coordinates assigned to a later digital copy.","questions":[{"text":"What area, nominal scale, orientation and coordinate reference are documented for this sheet or edition?","id":"spatial-reference-q01","kind":"measurement"},{"text":"Which control points and residual errors support a later georeferencing transformation?","id":"spatial-reference-q02","kind":"provenance"}]}]},{"id":"terrain-lineage","name":"Terrain lineage","description":"Trace the observations and cartographic decisions behind the strokes.","findings":[{"id":"evidence-and-generalisation","name":"Evidence and generalisation","description":"Record terrain sources and known simplifications separately from the date and appearance of the published map.","questions":[{"text":"Which observations, surveys, predecessor maps or elevation datasets informed these hachures, and when?","id":"evidence-and-generalisation-q01","kind":"provenance"},{"text":"What evidence identifies omitted, exaggerated or simplified terrain features?","id":"evidence-and-generalisation-q02","kind":"boundary"},{"text":"Which relief regions have unknown or conflicting source histories?","id":"evidence-and-generalisation-q03","kind":"provenance"}]}]}]},{"id":"versions-and-reproduction","name":"Versions and reproduction","description":"Track which relief expression is being inspected and how copying affects its strokes.","layers":[{"id":"relief-version-identity","name":"Relief version identity","description":"Relate map works, changed relief expressions, editions and inspected items.","findings":[{"id":"hachure-revision-lineage","name":"Hachure revision lineage","description":"Distinguish substantive changes to the relief portrayal from changes in printing, carrier or digitisation.","questions":[{"text":"Which work, edition, sheet and item does the inspected hachure portrayal belong to?","id":"hachure-revision-lineage-q01","kind":"provenance"},{"text":"Were strokes redrawn or corrected, or does the apparent difference arise from reproduction?","id":"hachure-revision-lineage-q02","kind":"boundary"}]}]},{"id":"stroke-preservation","name":"Stroke preservation","description":"Assess whether the inspected manifestation preserves the visual distinctions needed for reading.","findings":[{"id":"reproduction-fidelity","name":"Reproduction fidelity","description":"Assess merged lines, missing fine strokes, contrast shifts and local distortion at the intended viewing scale.","questions":[{"text":"At what reproduction size or image resolution do necessary stroke distinctions become unreadable?","id":"reproduction-fidelity-q01","kind":"measurement"},{"text":"Which regions show stroke loss, merging, damage or distortion relative to the best available reference?","id":"reproduction-fidelity-q02","kind":"measurement"},{"text":"Who created or revised the relief portrayal and digital reproduction, and which recorded rights apply to the proposed reuse?","id":"reproduction-fidelity-q03","kind":"action"}]}]}]},{"id":"interpretation-and-derivation","name":"Interpretation and derivation","description":"Set evidence-based limits on reading terrain and creating derived representations.","layers":[{"id":"supported-terrain-readings","name":"Supported terrain readings","description":"State what the particular map permits an agent to infer.","findings":[{"id":"inference-limits","name":"Inference limits","description":"Attach confidence and supporting evidence to terrain interpretations, keeping numerical claims conditional on calibration.","questions":[{"text":"Which landform or relative-steepness interpretations are supported by the convention and legibility of this region?","id":"inference-limits-q01","kind":"measurement"},{"text":"What independent evidence would be required before reporting a slope angle or elevation?","id":"inference-limits-q02","kind":"boundary"},{"text":"Where should an agent abstain from interpretation because marks or conventions are ambiguous?","id":"inference-limits-q03","kind":"action"}]}]},{"id":"derived-relief-products","name":"Derived relief products","description":"Control transformations that may alter or overinterpret the hachure portrayal.","findings":[{"id":"transformation-validation","name":"Transformation validation","description":"Preserve traceability when georeferencing, resampling, tracing or converting strokes into another relief representation.","questions":[{"text":"Which proposed transformations preserve the documented meanings of stroke direction, spacing and weight?","id":"transformation-validation-q01","kind":"action"},{"text":"How will the derivative be checked for lost strokes, false connections and spatial distortion?","id":"transformation-validation-q02","kind":"measurement"},{"text":"How will inferred terrain content be distinguished from marks directly transcribed from the source map?","id":"transformation-validation-q03","kind":"provenance"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of hatched map this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-kinds","name":"Kinds and varieties","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these kinds and varieties hold for the sense of hatched map this model covers, and on what evidence?","id":"evidence-kinds-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of hatched map this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of hatched map this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of hatched map this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify hachures on a map and describe the terrain they show within the map's convention.","Compare editions of a hachure map with modern elevation data."],"mustNot":["Use a historic hachure map for navigation in dangerous terrain without current maps.","Reproduce maps in breach of the rights holder's terms.","Present hachure-derived slopes as precise elevation measurements."],"requiresHuman":["Publishing digitized reproductions of maps held by archives."]},"ethics":{"considerations":["Historic maps preserve knowledge of landscapes and the people who surveyed them.","Outdated maps can mislead people in mountains."],"affectedParties":["Map users","Archives and libraries","Hikers"]},"owners":{"steward":"The holding archive or library for each sheet; rights holders for recent editions.","roles":[],"masterSystems":["Library and archive map catalogues"]},"relations":[{"target":"Q2940514","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.hatched-map","Wikidata: Q357674 (https://www.wikidata.org/wiki/Q357674)"]},"properties":{"applicability":"not-applicable","items":["Relief-hatching role: principal relief method | supplementary relief method | uncertain","Documented hachure convention: Linked legend, cartographic instruction or attributed convention; unknown permitted","Stroke orientation rule: slope-following | other documented rule | mixed | unknown","Stroke-weight and spacing semantics: Record meanings separately for width, spacing, length and darkness; undocumented permitted","Nominal map scale: Representative fraction 1:n, variable scale or unknown; identify the edition","Geographic reference: Linked footprint, coordinate reference system and registration evidence, with unknown components explicit","Relief evidence lineage: Linked surveys, observations, predecessor maps or elevation datasets with dates and attribution confidence","Hachure legibility: readable | partly merged | partly lost | obscured | unassessed, by region and copy","Quantitative interpretability: qualitative only | documented classes | calibrated relationship | unknown","Representation identity: Linked map work, relief expression, edition, sheet and physical or digital item"]},"recognition":{"applicability":"optional","items":["Fine short strokes drawn down the slope direction, denser or bolder where terrain is steeper.","Usually without contour lines, giving a shaded, engraved look to hills."]},"capabilities":{"applicability":"required","items":["Identify probable relief hachures and record the evidence supporting that classification.","Describe terrain form to the degree supported by the map's documented convention.","Compare hachure patterns across editions or against independently referenced terrain evidence.","Annotate ambiguous, illegible or conflicting relief regions.","Reproduce or rescale the portrayal while checking stroke survival and applicable rights.","Create a georeferenced or vector derivative with explicit transformation history and interpretation limits."]},"hazards":{"applicability":"required","items":["No absolute heights can be read, which leads to misjudged terrain.","Fine strokes can be lost in low-resolution copies."]},"interfaces":{"applicability":"not-applicable","items":[]},"context":{"applicability":"required","items":["Hachure maps occur in historical atlases, topographic surveys and terrain illustrations.","Their strokes help readers interpret slope direction and relative steepness where relief is represented without explicit elevation contours.","They support historical landscape comparison, although quantitative interpretation depends on the map's documented drawing conventions."]}},"sources":[{"title":"Wikidata item Q357674: hatched map","url":"https://www.wikidata.org/wiki/Q357674","note":"identity and sense of the item"},{"title":"Wikipedia: Hachure map","url":"https://en.wikipedia.org/wiki/Hachure_map","note":"general description of the item"}],"openQuestions":["Does vr.tr.hatched-map correspond to Wikidata Q357674, and does the registry intend a map type, a relief expression or a cartographic technique?","Does an existing Vercy world model already cover hachure relief mapping, requiring linkage rather than a separate publication?","Which historical and contemporary hachure conventions belong within this entry, particularly variants that depart from slope-following strokes?","What evidence and validation thresholds would justify quantitative interpretation for any particular convention?","Which reference maps and editions should establish practical criteria for stroke legibility, reproduction fidelity and mixed-method relief classification?"],"resources":{"spec":"/models/things/publications/thing-q357674/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q357674/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T10:12:20Z","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":"not-applicable","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:30+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane INF: no invented physical properties.","interaction.interfaces":"No specific standard or regulation applies universally to hachure relief depiction itself."},"score":1.0}}