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Module:OSM: Difference between revisions

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For relations it's important to recurse down, added support for style, not sure if setting a parameter manually will work
Add support for styling the output, make it convenient to show public transport itineraries on the map
Line 91: Line 91:
overpassUrl = overpassUrl .. 'out geom;\n'
overpassUrl = overpassUrl .. 'out geom;\n'
if args.style then
if args.style then
overpassUrl = overpassUrl .. args.style
overpassUrl = overpassUrl .. '{{style:\n' .. args.style .. '}}\n'
end
end
return leftLink .. 'http://overpass-turbo.eu/?Q=' .. mw.uri.encode(overpassUrl, "PATH" ) .. coord .. runQueryRightAway .. textToDisplay .. rightLink
return leftLink .. 'http://overpass-turbo.eu/?Q=' .. mw.uri.encode(overpassUrl, "PATH" ) .. coord .. runQueryRightAway .. textToDisplay .. rightLink
Line 107: Line 107:


function p.pt( frame )
function p.pt( frame )
frame.style = "node {\n opacity: 0;\n fill-opacity: 0;}\nnode[highway=bus_stop], way[highway=bus_stop]{\n text: name;\n icon-image: url('icons/maki/bus-18.png');\n icon-width: 18;}"
frame.args.style = "node {\n opacity: 0;\n fill-opacity: 0;}\nnode[highway=bus_stop], way[highway=bus_stop]{\n text: name;\n icon-image: url('icons/maki/bus-18.png');\n icon-width: 18;}\n"
frame.args.prim = "r"
frame.args.timeout = 50
return buildquery(frame, 'wikidata')
return buildquery(frame, 'wikidata')
end
end

Revision as of 22:21, 14 August 2015

local function buildquery(frame, target)
	local textToDisplay, leftLink, rightLink, runQueryRightAway, itemID, query, coord, bbox, remark, overpassUrl, primitives, timeout
	local args = frame.args
	
	if args.display then
		-- text to display on link
		textToDisplay = ' ' .. args.display
	else
		textToDisplay = ''
	end
	if args.timeout then
		timeout = '[timeout:' .. args.timeout .. '][out:json];\n'
	else
		timeout = '[timeout:15][out:json];\n'
	end
	if args.link and args.link == 'no' then
		-- just return the url
		leftLink = ''
		rightLink = ''
		textToDisplay = ''
	else
		leftLink = '['
		rightLink = ']'
	end
	if args.run and args.run == 'no' then
		-- don't run immediately
		runQueryRightAway = ''
	else
		runQueryRightAway = '&R'
	end
	if args.id then
		-- build query for specific Q-item(s) 
		itemID = args.id
	else
		itemID = mw.wikibase.getEntityObject()
		if itemID == nil then
			return "This page doesn't have a wikidata entry"
		end
		-- build query for current page
		itemID = itemID.id
	end
	if itemID:find(";") == nil then
		-- If there are no ; in the itemID, we only need to search for 1 value
		itemID = '"="' .. itemID
	else
		-- If more than 1 Q-number is provided, perform a regular expression based search instead
		itemID = '"~"^(' .. itemID:gsub(";", "\|") .. ')$'
	end
	if args.query then
		-- user can add their own tags to filter on
		query = args.query
	else
		query = ''
	end
	if args.coord and not(args.limitToBBOX=='no') then
		-- The user can provide coordinates and a zoom factor
		coord = '&C=' .. args.coord
		-- In that case we can limit the search to the area in view
		bbox = '({{bbox}})'
		-- and tell them how to search wider.
		remark = ' // remove the ' .. bbox .. 'if you want the query to be executed globally'
	else
		coord = ''
		bbox = ''
		remark = ''
	end
	overpassUrl = timeout .. '(\n'
	-- if the user specifies prim(itives), but then leaves the string empty, abort
	if args.prim then
		if args.prim == '' then
			return "Please indicate which primitives you want to query for"
		end
		primitives = args.prim
	else
		primitives = 'nwr'
	end

	if primitives:find("n") then
		-- Include nodes
		overpassUrl = overpassUrl .. 'node["' .. target .. itemID ..'"]' .. query .. bbox .. ';' .. remark .. '\n'
	end
	if primitives:find("w") then
		-- Include ways
		overpassUrl = overpassUrl .. 'way["' .. target .. itemID .. '"]' .. query .. bbox .. ';\n'
	end
	if primitives:find("r") then
		-- Include relations
		overpassUrl = overpassUrl .. 'relation["' .. target .. itemID .. '"]' .. query .. bbox .. ';\n>>;\n'
	end	
	overpassUrl = overpassUrl .. ');\n'
	overpassUrl = overpassUrl .. 'out geom;\n'
	if args.style then
			overpassUrl = overpassUrl .. '{{style:\n' .. args.style .. '}}\n'
	end
	return leftLink .. 'http://overpass-turbo.eu/?Q=' .. mw.uri.encode(overpassUrl, "PATH" ) .. coord .. runQueryRightAway .. textToDisplay .. rightLink
end

local p = {}

function p.overpass( frame )
	return buildquery(frame, '')
end

function p.wd( frame )
	return buildquery(frame, 'wikidata')
end

function p.pt( frame )
 	frame.args.style = "node {\n  opacity: 0;\n  fill-opacity: 0;}\nnode[highway=bus_stop], way[highway=bus_stop]{\n  text: name;\n  icon-image: url('icons/maki/bus-18.png');\n  icon-width: 18;}\n"
 	frame.args.prim = "r"
 	frame.args.timeout = 50
	return buildquery(frame, 'wikidata')
end

function p.etym( frame )
	return buildquery(frame, 'name:etymology:wikidata')
end

function p.subject( frame )
	return buildquery(frame, 'subject:wikidata')
end

function p.artist( frame )
	return buildquery(frame, 'artist:wikidata')
end

function p.architect( frame )
	return buildquery(frame, 'architect:wikidata')
end

function p.operator( frame )
	return buildquery(frame, 'operator:wikidata')
end

function p.brand( frame )
	return buildquery(frame, 'brand:wikidata')
end

return p
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