Manual Geo Scanner

-- Only works with advanced peripherals
-- Needs the Geo Scanner peripheral
local geo = peripheral.wrap("back")

print("looking for:")
local query = read()

function Search()
    while(true) do

        local scan = geo.scan(16)
        if (scan~=nil) then
            term.setBackgroundColor(colors.white)
            term.clear()
            paintutils.drawPixel(13,10,colors.black)
            for i, block_data in ipairs(scan) do
                if (string.find(block_data.name, query) <> nil) then
                    PaintOre(block_data.x, block_data.y, block_data.z, colors.cyan)
                end
            end
        end
        sleep(0.1)
    end
end

function PaintOre(x,y,z,col)
    -- block position
    paintutils.drawPixel(x+13,z+10,col)
    term.setCursorPos(x+13,z+10)
    term.write(y)
end

-- Main --
Search()