Integrated Campaign Registry (ICR) Implementation Guide
0.1.0 - ci-build International flag

Integrated Campaign Registry (ICR) Implementation Guide - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

: ICR Spatial Index Scheme - TTL Representation

Draft as of 2026-09-06

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

<http://hl7.org/fhir/CodeSystem/icr-spatial-index-cs> a fhir:CodeSystem ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:Resource.id [ fhir:value "icr-spatial-index-cs"] ;
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "generated" ] ;
     fhir:Narrative.div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem icr-spatial-index-cs</b></p><a name=\"icr-spatial-index-cs\"> </a><a name=\"hcicr-spatial-index-cs\"> </a><p>This case-sensitive code system <code>https://icr.healthcampaigns.org/CodeSystem/icr-spatial-index-cs</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">quadkey<a name=\"icr-spatial-index-cs-quadkey\"> </a></td><td>Quadkey (XYZ tile key)</td><td>Bing/XYZ tile quadkey: base-4 digits, one per zoom level from 1; the string length is the zoom; every prefix is the containing tile at that shorter zoom.</td></tr><tr><td style=\"white-space:nowrap\">h3<a name=\"icr-spatial-index-cs-h3\"> </a></td><td>H3 cell</td><td>Uber H3 hexagonal cell index (15 hex characters); level = resolution 0–15. Not prefix-hierarchical as a string — join on exact cell.</td></tr><tr><td style=\"white-space:nowrap\">geohash<a name=\"icr-spatial-index-cs-geohash\"> </a></td><td>Geohash</td><td>Base-32 geohash; level = precision (character count); prefixes are containing cells.</td></tr></table></div>"
  ] ;
  fhir:CodeSystem.url [ fhir:value "https://icr.healthcampaigns.org/CodeSystem/icr-spatial-index-cs"] ;
  fhir:CodeSystem.version [ fhir:value "0.1.0"] ;
  fhir:CodeSystem.name [ fhir:value "ICRSpatialIndexCS"] ;
  fhir:CodeSystem.title [ fhir:value "ICR Spatial Index Scheme"] ;
  fhir:CodeSystem.status [ fhir:value "draft"] ;
  fhir:CodeSystem.experimental [ fhir:value "false"^^xsd:boolean] ;
  fhir:CodeSystem.date [ fhir:value "2026-09-06T21:01:27+00:00"^^xsd:dateTime] ;
  fhir:CodeSystem.publisher [ fhir:value "UNICEF"] ;
  fhir:CodeSystem.contact [
     fhir:index 0 ;
     fhir:ContactDetail.name [ fhir:value "UNICEF" ] ;
     fhir:ContactDetail.telecom [
       fhir:index 0 ;
       fhir:ContactPoint.system [ fhir:value "url" ] ;
       fhir:ContactPoint.value [ fhir:value "https://www.unicef.org" ]
     ]
  ] ;
  fhir:CodeSystem.description [ fhir:value "The tiling scheme a spatial-index cell belongs to. Each scheme has its own notion of level: quadkey zoom (1–23; the cell string is the zoom-length base-4 tile key, so a prefix is the containing tile at a coarser zoom), H3 resolution (0–15; the cell is the 15-hex-character index), geohash precision (the character count)."] ;
  fhir:CodeSystem.jurisdiction [
     fhir:index 0 ;
     fhir:CodeableConcept.coding [
       fhir:index 0 ;
       fhir:Coding.system [ fhir:value "http://unstats.un.org/unsd/methods/m49/m49.htm" ] ;
       fhir:Coding.code [ fhir:value "001" ] ;
       fhir:Coding.display [ fhir:value "World" ]
     ]
  ] ;
  fhir:CodeSystem.caseSensitive [ fhir:value "true"^^xsd:boolean] ;
  fhir:CodeSystem.content [ fhir:value "complete"] ;
  fhir:CodeSystem.count [ fhir:value "3"^^xsd:nonNegativeInteger] ;
  fhir:CodeSystem.concept [
     fhir:index 0 ;
     fhir:CodeSystem.concept.code [ fhir:value "quadkey" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Quadkey (XYZ tile key)" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "Bing/XYZ tile quadkey: base-4 digits, one per zoom level from 1; the string length is the zoom; every prefix is the containing tile at that shorter zoom." ]
  ], [
     fhir:index 1 ;
     fhir:CodeSystem.concept.code [ fhir:value "h3" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "H3 cell" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "Uber H3 hexagonal cell index (15 hex characters); level = resolution 0–15. Not prefix-hierarchical as a string — join on exact cell." ]
  ], [
     fhir:index 2 ;
     fhir:CodeSystem.concept.code [ fhir:value "geohash" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "Geohash" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "Base-32 geohash; level = precision (character count); prefixes are containing cells." ]
  ] .

# - ontology header ------------------------------------------------------------

<http://hl7.org/fhir/CodeSystem/icr-spatial-index-cs.ttl> a owl:Ontology ;
  owl:imports fhir:fhir.ttl ;
  owl:versionIRI <http://build.fhir.org/CodeSystem/icr-spatial-index-cs.ttl> .