יחידה:Layers
מראה
ניתן ליצור תיעוד על היחידה הזאת בדף יחידה:Layers/תיעוד
local p = {}
local getArgs = require('Module:Arguments').getArgs
function p.Filter(frame)
local args = getArgs(frame)
local layers = args[1] or ''
local filteredLayers = extract(layers,'W')
if filteredLayers == '' then
filteredLayers = 'W' -- currently there are only two acceptable base layer. 'W' will be set if 'M' is not specified
end
-- Add additional & acceptable layer parameters
filteredLayers = filteredLayers
.. extract(layers,'S') -- hill shading from WM server
.. extract(layers,'D') -- destination from Wikivoyage
.. extract(layers,'G') -- GPX file from Wikivoyage
.. extract(layers,'P') -- POI from Wikivoyage
.. extract(layers,'E') -- add search box inside the map
return filteredLayers
end
function extract(layers, layer)
if string.match(layers, layer) ~= nil then
return string.match(layers, layer)
else
return ''
end
end
return p