Module:Layers

local p = {}local getArgs = require('Module:Arguments').getArgsfunction p.Filter(frame)local args = getArgs(frame)local layers = args[1] or ''local filteredLayers = extract(layers,'W')if filteredLayers == '' thenfilteredLayers = 'W' -- currently there are only two acceptable base layer. 'W' will be set if 'M' is not specifiedend-- Add additional & acceptable layer parametersfilteredLayers = filteredLayers.. extract(layers,'S') -- hill shading from WM server.. extract(layers,'D') -- destination from Wiki Travel.. extract(layers,'G') -- GPX file from Wiki Travel.. extract(layers,'P') -- POI from Wiki Travel.. extract(layers,'E') -- add search box inside the mapreturn filteredLayersendfunction extract(layers, layer)if string.match(layers, layer) ~= nil thenreturn string.match(layers, layer)elsereturn ''endendreturn p