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2014-05-11T02:23:40Z

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Jackmcbarn: make precision work for maps that cross 180

2014-04-21T20:24:21Z

make precision work for maps that cross 180

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<noinclude>
This is the documentation page for all Module:Location map/data/* pages.
</noinclude><includeonly>{{#invoke:Location map/info|main}}
{{{image|}}}

'''{{#titleparts:{{FULLPAGENAME}}|3}}''' is a location map definition used to overlay markers and labels on {{{projection|an [[equirectangular projection]]}}} map of {{{name|[[{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|name}}]]}}}. The markers are placed by [[latitude]] and [[longitude]] coordinates on the default map or a similar map image.

== Usage ==
These definitions are used by the following templates when invoked with parameter "{{#titleparts:{{FULLPAGENAME}}|1|3}}":
* {{tlx|Location map | {{#titleparts:{{FULLPAGENAME}}|1|3}} | ...}}
* {{tlx|Location map many | {{#titleparts:{{FULLPAGENAME}}|1|3}} | ...}}
* {{tlx|Location map+ | {{#titleparts:{{FULLPAGENAME}}|1|3}} | ...}}
* {{tlx|Location map~ | {{#titleparts:{{FULLPAGENAME}}|1|3}} | ...}}

== Map definition ==
* <tt>'''name''' = {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|name}}</tt>
*: Name used in the default map caption

* <tt>'''image''' = [[:File:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image}}|{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image}}]]</tt>
*: The default map image, without "Image:" or "File:"
{{#if:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image1}}|

* <tt>'''image1''' = [[:File:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image1}}|{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image1}}]]</tt>
*: An alternative map image, usually a relief map, can be displayed via the ''relief'' or ''AlternativeMap'' parameters
}}{{#if:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image2}}|

* <tt>'''image2''' = [[:File:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image2}}|{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image2}}]]</tt>
*: A second alternative map image, can be displayed via the ''AlternativeMap'' parameter only
}}{{#if:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|top}}{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|bottom}}{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|left}}{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|right}}|

* <tt>'''top''' = {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|top}}</tt>
*: [[Latitude]] at top edge of map, in [[decimal degrees]]

* <tt>'''bottom''' = {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|bottom}}</tt>
*: Latitude at bottom edge of map, in decimal degrees

* <tt>'''left''' = {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|left}}</tt>
*: [[Longitude]] at left edge of map, in decimal degrees

* <tt>'''right''' = {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|right}}</tt>
*: Longitude at right edge of map, in decimal degrees
}}{{#if:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|x}}{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|y}}|

* <tt>'''x''' = {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|x}}</tt>
*: An expression to calculate a location on the map via its [[longitude]]; evaluates as 0 along the left edge and 100 along the right edge

* <tt>'''y''' = {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|y}}</tt>
*: An expression to calculate a location on the map via its [[latitude]]; evaluates as 0 along the top edge and 100 along the bottom edge
}}{{#if:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|mark}}|

* <tt>'''mark''' = [[:File:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|mark}}|{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|mark}}]] ([[File:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|mark}}|{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|mark}}|8px]])</tt>
*: The default mark image to display with this map. This can be overridden by the <code>mark</code> parameter in [[Template:Location map]], which would otherwise default to [[:File:Red pog.svg|Red pog.svg]] ([[File:Red pog.svg|8px]]).
}}{{#if:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|marksize}}|

* <tt>'''marksize''' = {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|marksize}}</tt>
*: The default mark size (in [[pixel]]s) for the mark image displayed with this map (should not include <code>px</code>, for example <code>marksize={{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|marksize}}</code>, not <code>marksize={{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|marksize}}px</code>). This can be overridden by the <code>marksize</code> parameter in [[Template:Location map]], which would otherwise default to 8.
}}
{{#if:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image1}}|
== Alternative map ==
The map defined as '''image1''' (<tt>{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image1}}</tt>) can be displayed by using the ''relief'' or ''AlternativeMap'' parameters in {{tl|Location map}}, {{tl|Location map many}} and {{tl|Location map+}}. {{#if:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image2}}| The map defined as '''image2''' (<tt>{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|image2}}</tt>) can only be displayed by using the ''AlternativeMap'' parameter.}} The use of these two parameters is shown in the examples below. Additional examples can be found at:
* [[Template:Location map#Relief parameter]]
* [[Template:Location map#AlternativeMap parameter]]
* [[Template:Location map+/relief]]
* [[Template:Location map+/AlternativeMap]]
}}
{{#if:{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|top}}{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|bottom}}{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|left}}{{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|right}}|
== Precision ==
[[Longitude]]: from West to East this map definition covers {{#expr: ( {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|right}} - {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|left}} + 360 ) mod 360 round 4}} degrees.
* At an image width of 200 [[pixel]]s, that is {{#expr: ( {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|right}} - {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|left}} + 360 ) mod 360 / 200 round 4}} degrees per pixel.
* At an image width of 1000 pixels, that is {{#expr: ( {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|right}} - {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|left}} + 360 ) mod 360 / 1000 round 4}} degrees per pixel.

[[Latitude]]: from North to South this map definition covers {{#expr: {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|top}} - {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|bottom}} round 4}} degrees.
* At an image height of 200 pixels, that is {{#expr: ( {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|top}} - {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|bottom}} ) / 200 round 4}} degrees per pixel.
* At an image height of 1000 pixels, that is {{#expr: ( {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|top}} - {{#invoke:Location map|data|{{#titleparts:{{FULLPAGENAME}}|1|3}}|bottom}} ) / 1000 round 4}} degrees per pixel.
}}
{{#if:{{{examples|}}}|
== Examples using location map templates ==

{{{examples}}}

{{clear}}
}}

== See also ==
{{{see also|}}}

; Location map templates
* [[Template:Location map]], to display one mark and label using latitude and longitude
* [[Template:Location map many]], to display up to nine marks and labels
* [[Template:Location map+]], to display an unlimited number of marks and labels

; Infobox templates incorporating (passing values to) the Location map template
{{Location map/doc/See also infobox templates}}</includeonly>

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Jackmcbarn: make precision work for maps that cross 180