Template:Coord-doc-dim: Difference between revisions

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The <code>dim:</code> parameter defines the [[diameter]] (in meters) of a viewing circle centered on the coordinate. [[tswiki:GeoHack|GeoHack]] uses <code>dim:</code> to select a [[Scale (map)|map scale]] such that the viewing circle appears roughly 10 cm in diameter on a 72 dpi computer monitor.
The <code>dim:</code> parameter defines the [[diameter]] of a viewing circle centered on the coordinate. While the default unit of measurement is metres, the <code>km</code> suffix may be appended to indicate kilometres.


If [[#scale:N|scale:]] is set, it overrides any <code>dim:</code> setting.
[[tswiki:GeoHack|GeoHack]] uses <code>dim:</code> to select a [[Scale (map)|map scale]] such that the viewing circle appears roughly {{convert|10|cm|in|0}} in diameter on a 72 [[Dots per inch|dpi]] computer monitor.  If no <code>dim:</code>, <code>type:</code>, or <code>scale:</code> parameters are provided, GeoHack uses its default viewing circle of {{convert|30|km|mi}}.


{| class="wikitable"
{| class="wikitable"
|+ Samples
|+ Samples
! Subject
! Subject
! D
! View diameter
! Markup
! Markup
! Result
! Result
|-
|-
| [[Western Hemisphere]]
| [[Western Hemisphere]]
|align=right| 10000000
| style="text-align:right;" | {{convert|10000|km|mi}}
| <nowiki>{{coord|0|N|90|W|dim:10000000}}</nowiki>
| <nowiki>{{coord|0|N|90|W|dim:10000km}}</nowiki>
| {{coord|0|N|90|W|dim:10000000}}
| {{coord|0|N|90|W|dim:10000km}}
|-
|-
| [[Ohio]]
| [[Ohio]]
|align=right| 400000
| style="text-align:right;" | {{convert|400|km|mi}}
| <nowiki>{{coord|40.5|-82.5|dim:400000}}</nowiki>
| <nowiki>{{coord|40.5|-82.5|dim:400km}}</nowiki>
| {{coord|40.5|-82.5|dim:400000}}
| {{coord|40.5|-82.5|dim:400km}}
|-
|-
| [[Dresden]]
| [[Dresden]]
|align=right| 20000
| style="text-align:right;" | {{convert|20000|m|mi}}
| <nowiki>{{coord|51.033|13.73|dim:20000}}</nowiki>
| <nowiki>{{coord|51.03|13.73|dim:20000}}</nowiki>
| {{coord|51.033|13.73|dim:20000}}
| {{coord|51.03|13.73|dim:20000}}
|-
|-
| [[Statue of Liberty]]
| [[Statue of Liberty]]
|align=right| 100
| style="text-align:right;" | {{convert|100|m|ft}}
| <nowiki>{{coord|40.6892|-74.0445|dim:100}}</nowiki>
| <nowiki>{{coord|40.6892|-74.0445|dim:100}}</nowiki>
| {{coord|40.6892|-74.0445|dim:100}}
| {{coord|40.6892|-74.0445|dim:100}}
|-
|-
|}
|}

Latest revision as of 01:07, 3 September 2020

The dim: parameter defines the diameter of a viewing circle centered on the coordinate. While the default unit of measurement is metres, the km suffix may be appended to indicate kilometres.

GeoHack uses dim: to select a map scale such that the viewing circle appears roughly 10 centimetres (4 in) in diameter on a 72 dpi computer monitor. If no dim:, type:, or scale: parameters are provided, GeoHack uses its default viewing circle of 30 kilometres (19 mi).

Samples
Subject View diameter Markup Result
Western Hemisphere 10,000 kilometres (6,200 mi) {{coord|0|N|90|W|dim:10000km}} Lua error: callParserFunction: function "#coordinates" was not found.
Ohio 400 kilometres (250 mi) {{coord|40.5|-82.5|dim:400km}} Lua error: callParserFunction: function "#coordinates" was not found.
Dresden 20,000 metres (12 mi) {{coord|51.03|13.73|dim:20000}} Lua error: callParserFunction: function "#coordinates" was not found.
Statue of Liberty 100 metres (330 ft) {{coord|40.6892|-74.0445|dim:100}} Lua error: callParserFunction: function "#coordinates" was not found.