Factorio Forums

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 autoplace =
      {
        control = "sand", -- this is the control group. You need to add it also to autoplace-controls.lua. The generator (when starting a new map) has then the richness, size and frequenty options.
        sharpness = 0.8, -- this value corrisponds to the clutterness of a deposit. Meaning at 1 they will be like iron or copper ores spots. 0 is everywhere. 0.8 here shows a normal ore spot, but a bit more spaced apart
        richness_multiplier = math.random(75000), -- this give the multiplier a random number between 0 and 75000 (means richness_base * multiplier * richness setting (setting richness to very rich gives it a 2x or 3x bonus i believe (based on my observations)
        richness_base = math.random(5000,15000), -- this gives a number between 5000 and 15000. This is the base value of a deposit, and the rest is calculated above (at multiplier) and below (at the influences)
        peaks = {
         { -- this first peak is special. this is not added normally to the game. The way it works is as follows:
              influence = 0, -- this does nothing. but if set to a nonzero value, it would change drastically (a shitload of ore well appear in the world, and we dont want that to happen :P)
              richness_influence = 1.2, -- this is the changeling. this makes sure that no single tile of resource is the same. that works simple, like this (noise value) * richness_influence * richness_multiplier = the size of deposit. the noise value is a random value between -1,5 and 1,5 with a prefered likeness of around 0
              noise_layer = "random" -- this is a surrogate layer. it does not correspond with any resource, thus rendering its layer useless. but it needs to be added, otherwise it gives and error
            },
         { --for the rest, i dont know the exact formulas for calculating, but i know what they do.
           influence = 0.21, -- these things are really tricky. changing them by even 0.01 is enough to spawn 5000 more tiles in only 50 chunks!
           starting_area_weight_optimal = 0, -- these 3 things are the starting area influences. they specify the range and weigth of the resource in the starting area. it thus corresponds to how many resources there will be in your starting area 
           starting_area_weight_range = 0, -- the starting range of the starting area
           starting_area_weight_max_range = 2, -- the maximum allowed size of the starting area. Making this higher, means more ore in your starting area, and a larger radius in which they spawn
         },
         {
           influence = 0.3, -- same as above
           starting_area_weight_optimal = 1,
           starting_area_weight_range = 0,
           starting_area_weight_max_range = 2,
         },
         {
           influence = 0.65,
           noise_layer = "sand", -- this checks for sand in the vicinity. if it found some, it adds 0.4 to each multiplier the further away they are. but very close, they remove 1.9 multiplier for each tile.
           noise_octaves_difference = -1.9,
           noise_persistence = 0.4,
           starting_area_weight_optimal = 0,
           starting_area_weight_range = 0,
           starting_area_weight_max_range = 2,
         },
         {
           influence = 0.55,
           noise_layer = "sand",
           noise_octaves_difference = -2.3, --same as above
           noise_persistence = 0.4,
           starting_area_weight_optimal = 1,
           starting_area_weight_range = 0,
           starting_area_weight_max_range = 2,
         },
         {
           influence = -0.2,
           max_influence = 0, --i havent quite found out what this does xD
           noise_layer = "iron-ore", -- this works the same as above, but checks for iron instead of sand
           noise_octaves_difference = -2.3,
           noise_persistence = 0.45,
         },
         {
           influence = -0.2,
           max_influence = 0,
           noise_layer = "copper-ore", -- this works the same as above, but checks for copper instead of sand
           noise_octaves_difference = -2.3,
           noise_persistence = 0.45,
         },
         {
           influence = -0.2,
           max_influence = 0,
           noise_layer = "coal", -- this works the same as above, but checks for coal instead of sand
           noise_octaves_difference = -2.3,
           noise_persistence = 0.45,
         },
         {
           influence = -0.2,
           max_influence = 0,
           noise_layer = "stone", -- this works the same as above, but checks for stone instead of sand
           noise_octaves_difference = -3,
           noise_persistence = 0.45,
         },
        },
      },

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influence = 0.2, -- 0.2 of an empty layer would mean the map would be 20% filled with 'noise'.
starting_area_weight_optimal = 0,
starting_area_weight_range = 0,
starting_area_weight_max_range = 2,

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influence = 0.65,
noise_layer = "copper-ore",
noise_octaves_difference = -1.9, -- Increase copper generation the further from start
noise_persistence = 0.3, -- Increase by this much
starting_area_weight_optimal = 0, -- No starting bonus
starting_area_weight_range = 0,
starting_area_weight_max_range = 2,

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influence = 0.3, -- Small amount of influence
starting_area_weight_optimal = 1, -- Affects starting area only
starting_area_weight_range = 0,
starting_area_weight_max_range = 2,

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influence = 0.55,
noise_layer = "copper-ore",
noise_octaves_difference = -2.3, -- Increased ores towards the outer edge of the starting area
noise_persistence = 0.4,
starting_area_weight_optimal = 1, -- Another starting area only
starting_area_weight_range = 0,
starting_area_weight_max_range = 2,

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influence = -0.2, -- Negative influence reduces value near iron
max_influence = 0, -- Max of 0 stops copper from generating on iron
noise_layer = "iron-ore", -- Noise layer determines what to avoid
noise_octaves_difference = -2.3, -- Increased effect further from start to match irons own increase
noise_persistence = 0.45,

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influence = 0.5,
noise_layer = "enemy-base",
noise_octaves_difference = -1.8,
noise_persistence = 0.5,
tier_from_start_optimal = 20, -- These 3 properties are used to keep enemy bases from spawning inside the starting area, could be useful for rare ores (diamonds, gold etc)
tier_from_start_top_property_limit = 20,
tier_from_start_max_range = 40,