Àdàkọ:Location map many

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Creates a location map as a composite image of an existing map in equirectangular projection, with multiple (up to 9) markers and optional labels superimposed onto it. This template functions in the style of Template:Location_map, but allows 9 markers and labels (rather than just one marker). Note: For brevity, parameters "pos" & "bg" are aliases (for "position" & "background").

Also see: For an unlimited list of markers/labels, see: Template:Location_map+,

which specifies points as a coded template list of markers/labels.

Usage

{{Location map many
|locname   (selected from templates named "Location_map_<locname>")
------------------------------------------- 1st label & marker
|label      = 1st label text
|label_size = 1st label font size, percent (such as "85")
|position   = pos = left or right or top or bottom – position of
              1st label relative to 1st mark (default: right)
|background = bg = background color for 1st label, defaults transparent
|lon_dir=W    1st longitude direction: W=west, E=east (default)
|lat_dir=S    1st latitude direction: S=south, N=north (default)
|lat_deg    = 1st latitude degrees (negative to indicate south)
|lat_min    = 1st latitude minutes (negative to indicate south)
|lat_sec    = 1st latitude seconds (or use combined lat)
|lon_deg    = 1st longitude degrees (negative to indicate west)
|lon_min    = 1st longitude minutes (negative to indicate west)
|lon_sec    = 1st longitude seconds (or use combined long)
|lat        = 1st latitude (as decimal; negative for south latitude)
|long       = 1st longitude (as decimal; negative for west longitude)
|mark       = 1st marker image file name, a red dot by default
|marksize   = 1st marker size in pixels (0=skip marker, default=8)
|markhigh   = 1st marker height, default=8
------------------------------------------- 2nd label & marker
|label2      = 2nd label text
|label2_size = 2nd label font size, percent (such as "85")
|position2   = pos2 = left or right or top or bottom – position of
               2nd label relative to 2nd mark (default: right)
|background2 = bg2 = background color for 2nd label, defaults transparent
|lat2_deg    = 2nd latitude degrees (negative to indicate south)
|lat2_min    = 2nd latitude minutes (negative to indicate south)
|lat2_sec    = 2nd latitude seconds (or use combined lat2)
|lon2_deg    = 2nd longitude degrees (negative to indicate west)
|lon2_min    = 2nd longitude minutes (negative to indicate west)
|lon2_sec    = 2nd longitude seconds (or use combined long2)
|lat2        = 2nd latitude (as decimal; negative for south latitude)
|long2       = 2nd longitude (as decimal; negative for west longitude)
|mark2       = 2nd marker image file name, a red dot by default
|mark2size   = 2nd marker size in pixels (0=skip, default=8)
|mark2high   = 2nd marker height, default=8
------------------------------------------- 3rd label & marker
|label3      = 3rd label text
|label3_size = 3rd label font size, percent (such as "120")
|pos3, bg3   = 3rd label position & background color
   (... similar latitude/longitude parameters named "~3" ...)
|mark3       = 3rd marker image file name, a red dot by default
|mark3size   = 3rd marker size in pixels (0=skip, default=8)
|mark3high   = 3rd marker height, default=8
   (...repeat until label9/mark9...)
-------------------------------------------
|border     = border color or none
|caption    = map caption; for no caption enter "caption=";
              if omitted, then the caption will be auto-generated
              as: "<marker #1 label> (<location map name>)"
|float      = left or right or center or none for map placement
|width      = map width for display size
|AlternativeMap = Alternative map file name (changes background map,
             border coordinates are determined based on the map name);
             this is only recommended for use in templates
}}

Parameter locname refers to {Template:Location map locname} containing the image name and coordinates of a particular map.

When a marker's mark#size=0, then that marker is skipped and only the related label is displayed, without the marker.

Advisory messages

Due to the numerous details of specifying 9 markers/labels, the latitude and longitude are checked to lie within the actual map limits specified in Template:Location_map_<parameter1>. Each marker/label is checked and can list a message (under the map), such as:

Latitude#4 (45.68) < map min(53.74).

Processing continues, with that marker actually placed off-map, and all latitude/longitude parameters are checked, for a total of 18 possible advisory messages. Only degrees of latitude/longitude are checked, so a value of 63 minutes would be valid to indicate 1 extra degree + 3 minutes, and setting lon_min=200 could still place a marker off-map (right-side) with no warning. Also, large markers or long labels can spill over the edges of a map, allowing markers to point inward from outside the map. In such cases, a map could be centered by itself on the page ("float=center") to avoid overlapping the edge markers onto any surrounding article text.

Available maps

List of live templates named Template:Location_map_<locname> (without "Template:" prefix here):

Creating new maps

Find an appropriate blank map in equirectangular projection (otherwise, coordinates will drift off, typically further north)
Create a template named "Template:Location_map_locname" (copy the content of any other map template into it and enter appropriate values).
Set default parameter values (using those parameter names), such as setting "mark" with image-file name and "marksize" for pixels wide/tall, or set default label font size ("label_size = 78" percent).
Parameter names not used by "Template:Location_map" will be ignored by it, and only used for multiple-markers (such as defaulting "label2_size = 78" percent, or "mark2size=7" pixels).

Examples

Map with label "Pag" and "Anytown" (degrees)

Pag (Croatia)

{{Location map many
 |Croatia
 |label=Pag |marksize=8 |markhigh=8
 |<!--Rouge-Admin JollyRoger.svg-->
    |pos=right    | bg=yellow
    |lat_deg=44   | lat_min=26
    |lon_deg=15   | lon_min=3
 |label2=Anytown_Anywhere
    |mark2size=45 | mark2high=30
    |mark2=Rouge-Admin JollyRoger.svg
    |pos2=top     | bg2=white
    |lat2_deg=46  | lat2_min=30
    |lon2_deg=17  | lon2_min=30
 |width=280
 |float=right
}}

Pag

Anytown_Anywhere

Pag (Croatia)

Map with 3 labels (decimal)

Pag (Croatia)

{{Location map many | Croatia
 | label=Pag | position=right
      | lat=44.44  | long=15.05
      | marksize=8 | markhigh=8
 | label2=Anytown
      | pos2=bottom | bg2=yellow
      | lat2=45.86  | long2=17.50
      | marksize=8 | markhigh=8
      | background2=yellow
 | label3=Anytown2
      | pos3=top   | bg3=lightgreen
      | lat3=46.23 | long3=18.43
 | width=260 | float=right
}}

Pag

Anytown

Anytown2

Pag (Croatia)

Map with some labels outside map

Pag (Croatia)

{{Location map many | Croatia
 | label=Pag | position=right
      | lat=44.44  | long=15.05
      | marksize=8 | markhigh=8
 | label2=Anytown
      | pos2=bottom | bg2=yellow
      | lat2=47.40  | long2=12.80
      | marksize=8 | markhigh=8
      | background2=yellow
 | label3=Anytown2
      | pos3=top   | bg3=lightgreen
      | lat3=41.98 | long3=18.43
 | label4=North Croatia | pos4=left
      | mark4size=0 | bg4=lightgreen
      | lat4=46.22  | long4=17.7
 | width=260 | float=right
}}

Pag

Latitude#2 (47.40) > map max(46.8).

Longitude#2(12.80) < map min(13.1).

Anytown

Latitude#3 (41.98) < map min(42.1).

Anytown2

North Croatia

Pag (Croatia)

Map with 9 markers (decimal)

Pag (Croatia)

{{Location map many | Croatia
 | label=Pag | position=right
      | lat=44.44 | long=15.05
 | label2=Anytown
      | pos2=bottom| label2_size=110
      | lat2=45.86 | long2=17.50
      | background2=yellow
 | label3=Anytown2
      | pos3=top  | label3_size=290
      | lat3=46.23 | long3=18.43
      | background3=green
 | mark4=Diamond_sheer_black_20.png
      | mark4size=19 | mark4high=17
      | label4=44.0 (latitude)
      | lat4=44.00 | long4=13.5
 | mark5=Diamond_sheer_black_20.png
      | mark5size=20 | mark5high=20
      | label5=44.5
      | lat5=44.50 | long5=13.5
 | mark6=Diamond_sheer_black_20.png
      | mark6size=20 | mark6high=20
      | label6=45.0
      | lat6=45.00 | long6=13.5
 | mark7=Diamond_sheer_black_20.png
      | mark7size=20 | mark7high=20
      | label7=45.5
      | lat7=45.50 | long7=13.5
 | mark8=Diamond_sheer_black_20.png
      | mark8size=20 | mark8high=20
      | label8=46.0
      | lat8=46.00 | long8=13.5
 | label9=''CROATIA'' |label9_size=165
      | mark9size=<!--label only-->1
      | lat9=42.60 | long9=14.4
 | width=260 | float=right
}}

Pag

Anytown

Anytown2

44.0 (latitude)

44.5

45.0

45.5

46.0

CROATIA

Pag (Croatia)

Map with a custom label and text background

Imotski

{{Location map many | Croatia
 |label=Imotski
 |lat=43.44
 |long=17.21
 |position=right
 |width=280
 |float=right
 |background=#FFFFDD
 |caption=Imotski in Croatia
 }}

Imotsky

Imotski in Croatia

Map with enlarged marker and label

Pag (Croatia)

{{Location map many | Croatia
 |label=Pag
 |label_size=200
 |lat=44.44
 |long=15.05
 |marksize=14 | position=right
 |width=260
 |float=right
 |background=#FFFFDD
 |caption=Pag Island in Croatia
 }}

Pag

Pag Island in Croatia

Map with no caption

Brčko (Bosnia and Herzegovina)

{{Location map many
 |Bosnia
 |label=Brčko
 |position=left
 |width=150
 |lat=44.87
 |long=18.81
 |float=right
 |caption=
 }}

Brčko

Western Hemisphere

Lockerbie (Scotland)

{{Location map many | United Kingdom
 |label=Lockerbie
 | lat_dir=N
 | lat_deg=55 | lat_min=07 | lat_sec=16
 | lon_deg= -3 | lon_min=-21 | lon_sec=-19
 |position=right
 |width=180
 |float=right
 |caption=Lockerbie in Scotland
}}

Lockerbie

Lockerbie in Scotland

Country that crosses 180° meridian

Uelen (Russia)

{{Location map
 |Russia
 |label=Uelen
 |lat_deg=66|lat_min=09
 |lon_deg=169|lon_min=48|lon_dir=W
 |position=left
 |width=500
 |float=right
 |background=#FFFFDD
 }}

Uelen

Uelen (Russia)

Implementation notes

The map with markers/labels is implemented as nested HTML divisions. The map-image is in an HTML division, containing each point as a percent-locator division containing a marker-image sub-division plus a label sub-division. Each point is calculated (for a percent-locator division) with X or Y coordinate "XX.X%" or "YY.Y%" as follows:

The div-tag is "<div style="position: absolute; z-index: 2; top: XX.X%; left: YY.Y%; ...>"
For placing latitude, the calculation is:

XX.X% = 100 * (top - (lat_deg + latmin/60 +latsec/3600) ) / (top - bottom)
If lat_deg is empty, the combined decimal latitude is used from "lat".
If lat_dir is "S" (south), the latitude is multiplied by -1.
(Note latitude is positioned in reverse, from top of map downward.)

For placing longitude, the calculation is:

YY.Y% = 100 * ( (lon_deg + lonmin/60 +lonsec/3600) - left ) / (right - left)
If lon_deg is empty, the combined decimal longitude is used as "long".
If lon_dir is "W" (west), the longitude is multiplied by -1.

The div-tag is ended as "height: 0; width: 0; margin: 0; padding: 0;">".
Within that division the marker/label sub-divisions are coded as:

<div style="position: relative text-align: center; ...">.

For label position, the options are shifted as:

when position=left, adds "left: -6.5em; text-align: right;"
when position=right, adds "left: 0.5em; text-align: left;"
when position=top, adds "top:-2.65em; left:-3em; text-align: center;"
when position=bottom, adds "top:-0.15em; left: -3em; text-align: center;" to div-tag.

Usage

Advisory messages

Available maps

Creating new maps

Examples

Map with label "Pag" and "Anytown" (degrees)

Map with 3 labels (decimal)

Map with some labels outside map

Map with 9 markers (decimal)

Map with a custom label and text background

Map with enlarged marker and label

Map with no caption

Western Hemisphere

Country that crosses 180° meridian

Implementation notes

See also