habboy/tilemaker_config/hab_buildings.lua

85 wiersze
1.8 KiB
Lua

node_keys = {}
G_DEFAULT = 0
G_COUNTS = {}
function zoom_tile_area(latitude_degrees, zoom_level)
earth_equatorial_circumference = 40075016.686 -- meters
latitude_radians = 3.14159265359 * latitude_degrees / 180.0
tile_width = earth_equatorial_circumference * math.cos(latitude_radians) / (2^zoom_level)
return tile_width*tile_width
end
-- store m2 area for one tile on each zoom level
ZOOM_TILES_AREA = {}
function init_function()
for i=1,16 do
ZOOM_TILES_AREA[i] = zoom_tile_area(52.0, i)
print(ZOOM_TILES_AREA[i])
end
end
local function is_in (val, tab)
for index, value in ipairs(tab) do
if value == val then
return true
end
end
return false
end
function get_min_zoom(in_area)
local min_zoom = 1
for _z=15,1,-1 do
if in_area < (0.01 * ZOOM_TILES_AREA[_z]) then
return _z
end
end
return min_zoom
end
function exit_function()
for _k,_v in pairs(G_COUNTS)
do
print("\n")
print(_k)
for k,v in pairs(_v)
do
print("\t", k, v)
end
end
end
function node_function(node)
end
function way_function(way)
local name = way:Find("name");
-- building
local building = way:Find("building")
if building ~= nil and building ~= "" then
if G_COUNTS["building"] == nil then G_COUNTS["building"] = {} end
if G_COUNTS["building"][building] == nil then G_COUNTS["building"][building] = 0 end
G_COUNTS["building"][building] = G_COUNTS["building"][building] + 1
local layer = "building"
way:Layer(layer, true)
way:Attribute("class", building)
if name ~= nil and name ~= "" then way:Attribute("name",name) end
local height = way:Find("height");
if height ~= nil and height ~= "" then way:Attribute("height",height) end
local min_height = way:Find("min_height");
if min_height ~= nil and min_height ~= "" then way:Attribute("min_height",min_height) end
end
end