type: overpass
name:
  ca: Ample de via fèrria
  cs: Rozchod železnice
  de: Eisenbahn-Spurweite
  en: Railway gauge
  es: Ancho de vía
  fr: Écartement des rails
  gl: Anchura de vía
  hu: Vasúti nyomtáv
  it: Scartamento Ferroviario
  ja: 軌間
  nb: Sporvidde
  oc: Ample dei vias
  pl: Rozstaw szyn
  pt: Bitola
  pt-br: Bitola
  ru: Железнодорожная колея
  tr: Demiryolu hat açıklığı
query:
  11: way[railway=rail][railway!~'^(platform|abandoned|disused|station|proposed|subway_entrance)$'][usage~'^(main|branch)$'];
  14: way[railway~'^(disused|construction|funicular|light_rail|miniature|monorail|narrow_gauge|preserved|rail|subway|tram)$'];
feature:
  pre: |-
    {% set gauges = tags.gauge|split(';')|sort|reverse %}
    {% set width = max(3, 3 / map.metersPerPixel) %}
  title: '{% if tags.ref %}{{ localizedTag(tags, ''ref'') }} - {% endif %}{{ localizedTag(tags, ''name'')|default(localizedTag(tags, ''operator'')) }}'
  description: '{{ tagTrans(''railway'', tags.railway) }}'
  details: '{{ tags.gauge|default(trans(''unknown''))|enumerate }}'
  body: |-
    {{ tagTrans('railway', tags.railway) }}<br/>
    {% if tags.operator %}{{ keyTrans('operator') }}: {{ localizedTag(tags, 'operator') }}<br>{% endif %}
    {% if tags.usage %}{{ keyTrans('usage') }}: {{ tagTrans('usage', tags.usage)|default(trans('unknown')) }}<br/>{% endif %}
    {% if tags.service %}{{ keyTrans('service') }}: {{ tagTrans('service', tags.service ) }}<br/>{% endif %}
    {{ keyTrans('gauge') }}: {{ tags.gauge|default(trans('unknown'))|enumerate }}<br/>
    {% if tags.electrified == 'no' %}{{ keyTrans('electrified') }}: {{ tagTrans('electrified', 'no') }}{% elseif tags.electrified %}{{ keyTrans('electrified') }}: {{ tagTrans('electrified', tags.electrified) }}, {{ keyTrans('voltage') }}: {{ tags.voltage|default(trans('unknown')) }}, {{ keyTrans('frequency') }}: {{ tags.frequency|default(trans('unknown')) }}<br/>{% endif %}
  markerSymbol: null
  listMarkerSymbol: line
  styles: '{% if gauges|length < 2 %}default{% else %}{% for i, v in gauges %}{% if i != 0 %},{% endif %}gauge{{ i }}{% endfor %}{% endif %}{% if gauges|length > 0 and map.zoom >= 18 %},rail{% for i, v in gauges %},rail{{ i }}{% endfor %}{% endif %}'
  style:
    width: '{{ width }}'
    pane: casing
    color: '{% if tags.gauge %}{% if not tags.gauge|matches(''^\d+$'') %}#ff0000{% else %}{{ colorInterpolate([ ''#00ff00'', ''#0000ff'' ], tags.gauge / 2000) }}{% endif %}{% else %}#404040{% endif %}'
  style:rail:
    width: '1'
    color: '#ffffff'
    offset: '{{ gauges[0] / -2000 }}m'
  style:gauge0:
    width: '{{ width }}'
    pane: casing
    lineCap: butt
    color: '{% if not gauges[0]|matches(''^[0-9]+$'') %}#ff0000{% else %}{{ colorInterpolate([ ''#00ff00'', ''#0000ff'' ], gauges[0] / 2000) }}{% endif %}'
    dashArray: '5,{{ (gauges|length - 1) * 5 }}'
  style:rail0:
    width: '1'
    color: '#ffffff'
    offset: '{{ gauges[0] / 2000 }}m'
  style:gauge1:
    width: '{{ width }}'
    pane: casing
    lineCap: butt
    color: '{% if not gauges[1]|matches(''^[0-9]+$'') %}#ff0000{% else %}{{ colorInterpolate([ ''#00ff00'', ''#0000ff'' ], gauges[1] / 2000) }}{% endif %}'
    dashArray: '5,{{ (gauges|length - 1) * 5 }}'
    dashOffset: '5'
  style:rail1:
    width: '1'
    color: '#ffffff'
    offset: '{{ gauges[0] / -2000 + gauges[1] / 1000 }}m'
  style:gauge2:
    width: '{{ width }}'
    pane: casing
    lineCap: butt
    color: '{% if not gauges[2]|matches(''^\d+$'') %}#ff0000{% else %}{{ colorInterpolate([ ''#00ff00'', ''#0000ff'' ], gauges[2] / 2000) }}{% endif %}'
    dashArray: '5,{{ (gauges|length - 1) * 5 }}'
    dashOffset: '10'
  style:rail2:
    width: '1'
    color: '#ffffff'
    offset: '{{ gauges[0] / -2000 + gauges[2] / 1000 }}m'
  style:gauge3:
    width: '{{ width }}'
    pane: casing
    lineCap: butt
    color: '{% if not gauges[3]|matches(''^\d+$'') %}#ff0000{% else %}{{ colorInterpolate([ ''#00ff00'', ''#0000ff'' ], gauges[3] / 2000) }}{% endif %}'
    dashArray: '5,{{ (gauges|length - 1) * 5 }}'
    dashOffset: '15'
  style:rail3:
    width: '1'
    color: '#ffffff'
    offset: '{{ gauges[0] / -2000 + gauges[3] / 1000 }}m'
info: |-
  <table>
    {% set color = '#ff0000' %}
    <tr>
      <td>{{ markerLine({ 'width': 3, 'color': color })|raw }}</td>
      <td>{{ trans('illegal value') }}</td>
    </tr>
    {% set color = '#404040' %}
    <tr>
      <td>{{ markerLine({ 'width': 3, 'color': color })|raw }}</td>
      <td>{{ trans('unknown') }}</td>
    </tr>
  {% for i in range(0, 1800, 250) %}
    {% set color = colorInterpolate([ '#00ff00', '#0000ff' ], i / 2000) %}
    <tr>
      <td>{{ markerLine({ 'width': 3, 'color': color })|raw }}</td>
      <td>{{ i }}mm</td>
    </tr>
  {% endfor %}
    <tr>
      <td>{{ markerLine({ 'width': 3, 'color': '#0000ff' })|raw }}</td>
      <td>>2000mm</td>
    </tr>
  </table>