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{{Documentation subpage}}
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{{Module:Location map/data/doc

|examples=
'''Template:Location map China''' is a location map definition used to overlay markers and labels on an [[equidistant conic projection]] map of [[China]]. 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 "China":
* {{tlx|Location map | China&nbsp;| ...}}
* {{tlx|Location map many | China&nbsp;| ...}}
* {{tlx|Location map+ | China&nbsp;| ...}}
* {{tlx|Location map~ | China&nbsp;| ...}}

== Map definition ==
* <tt>'''name''' = {{{{BASEPAGENAME}}|name}}</tt>
*: Name used in the default map caption

* <tt>'''image''' = [[:File:{{{{BASEPAGENAME}}|image}}|{{{{BASEPAGENAME}}|image}}]]</tt>
*: The default map image, without "Image:" or "File:"

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

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

* <tt>'''top''' = {{{{BASEPAGENAME}}|top}}</tt>
*: [[Latitude]] at top edge of map, in [[decimal degrees]]

* <tt>'''bottom''' = {{{{BASEPAGENAME}}|bottom}}</tt>
*: Latitude at bottom edge of map, in decimal degrees

* <tt>'''left''' = {{{{BASEPAGENAME}}|left}}</tt>
*: [[Longitude]] at left edge of map, in decimal degrees

* <tt>'''right''' = {{{{BASEPAGENAME}}|right}}</tt>
*: Longitude at right edge of map, in decimal degrees
}}{{#if:{{{{BASEPAGENAME}}|x}}{{{{BASEPAGENAME}}|y}}|

* <tt>'''x''' = {{{{BASEPAGENAME}}|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''' = {{{{BASEPAGENAME}}|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
⚫
}}

== Alternative map ==
The map defined as '''image1''' (<tt>{{{{BASEPAGENAME}}|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:{{{{BASEPAGENAME}}|image2}}| The map defined as '''image2''' (<tt>{{{{BASEPAGENAME}}|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]]
|}

== Examples using location map templates ==

=== Location map, using default map (image) ===
=== Location map, using default map (image) ===
{{Location map | China
{{Location map | China
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</pre>
</pre>
{{clear}}
{{clear}}
⚫
|see also=

⚫
* [[Module:Location map/data/China (equirectangular)]], displays a different map with different border coordinates
⚫
== See also ==
⚫
}}
⚫
* [[Template:Location map China (equirectangular)]], displays a different map with different border coordinates

; 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>{{#ifeq:{{SUBPAGENAME}}|sandbox||
<includeonly>{{#ifeq:{{SUBPAGENAME}}|sandbox||
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Revision as of 13:15, 28 February 2018


Location map of China
name China
x 50 + 116.80932603407057 * ((1.9996655301850468-($1* pi / 180)) * sin(0.5867115434267053 * ($2 - 104) * pi / 180))
y 50 + 1.256383 * 116.80932603407057 * 0.02641006622571962 - 1.256383 * 116.80932603407057 * (1.3713469994670882 - (1.9996655301850468 -($1 * pi / 180)) * cos(0.5867115434267053 * ($2 - 104) * pi / 180))
image China edcp location map.svg
image1 China edcp relief location map.jpg


Module:Location map/data/China is a location map definition used to overlay markers and labels on an equirectangular projection map of China. 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 "China":

Map definition

  • name = China
    Name used in the default map caption
  • image = China edcp location map.svg
    The default map image, without "Image:" or "File:"
  • image1 = China edcp relief location map.jpg
    An alternative map image, usually a relief map, which can be displayed via the relief or AlternativeMap parameters
  • x = 50 + 116.80932603407057 * ((1.9996655301850468-($1* pi / 180)) * sin(0.5867115434267053 * ($2 - 104) * pi / 180))
    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
  • y = 50 + 1.256383 * 116.80932603407057 * 0.02641006622571962 - 1.256383 * 116.80932603407057 * (1.3713469994670882 - (1.9996655301850468 -($1 * pi / 180)) * cos(0.5867115434267053 * ($2 - 104) * pi / 180))
    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

Alternative map

The {{Location map}}, {{Location map many}}, and {{Location map+}} templates have parameters to specify an alternative map image. The map displayed as image1 can be used with the relief or AlternativeMap parameters. Examples may be found below or in the following:

Examples using location map templates

Location map, using default map (image)

Qinghai Lake is located in China
Qinghai Lake
Qinghai Lake
Qinghai Lake (China)
{{Location map | China
| width   = 250
| lat_deg = 37
| lon_deg = 100
| label   = Qinghai Lake
}}

Location map many, using relief map (image1)

Location map/data/China/doc is located in China
Beijing
Beijing
Shanghai
Shanghai
class=notpageimage|
People's Republic of China
{{Location map many | China
| relief   = yes
| width    = 250
| caption  = People's Republic of China
| lat1_deg = 39.91
| lon1_deg = 116.39
| label1   = Beijing
| lat2_deg = 31.2
| lon2_deg = 121.5
| label2   = Shanghai
}}

Location map+, using AlternativeMap

Location map/data/China/doc is located in China
Beijing
Beijing
Shanghai
Shanghai
class=notpageimage|
People's Republic of China
{{Location map+ | China
| AlternativeMap = China edcp relief location map.jpg
| width   = 250
| caption = People's Republic of China
| places  =
  {{Location map~ | China
  | lat_deg = 39.91
  | lon_deg = 116.39
  | label   = Beijing
  }}
  {{Location map~ | China
  | lat_deg = 31.2
  | lon_deg = 121.5
  | label   = Shanghai
  }}
}}

See also

Location map templates

Creating new map definitions

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