Geeo

local sqrt = math.sqrt
local component = require('component')
local geolyzer = component.geolyzer
local hologram = component.hologram

local function distance(x, y, z)
  return sqrt(x^2 + y^2 + z^2)
end

local function magic(R, H, D)
  return 2112 * (R - H) / D % 1
end

local function visualize(hardness, elevation, size)
  hologram.clear()
  hologram.setScale(9)
  local blocks, result
  for x = -size, size do
    for z = -size, size do
      blocks = geolyzer.scan(x, z, elevation, 1, 1, 32)
      for i_y = 1, 32 do
        result = magic(blocks[i_y], hardness, distance(x, i_y+elevation-1, z))
        if blocks[i_y] ~= 0 and (result > 0.9998 or result < 0.00005) then
          hologram.set(x+24, i_y, z+24, true)
        end
      end
    end
  end
end

local hrd, ele, siz = table.unpack({...})
hrd = hrd or 3
ele = ele or -32
siz = siz or 16
visualize(hrd, ele, siz)