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local start_lat = 41
local end_lat = 42
local start_lon = -74
local end_lon = -72
local step = 0.01
local max_elevation = 0
local lat_max = 0
local lon_max = 0
local lat_list = {}
local lon_list = {}

for x = start_lon, end_lon, step do
    for y = start_lat, end_lat, step do
        local elevation = World_GetElevation({latitude = y, longitude = x})
        if elevation and elevation > max_elevation then
            lat_max = y
            lon_max = x
            table.insert(lat_list, lat_max)
            table.insert(lon_list, lon_max)
            max_elevation = elevation
        end
    end
end

local number_samples = 10
if #lat_list < number_samples then
    number_samples = #lat_list
end

for x = 1, number_samples, 1 do
    local y = lat_list[math.floor(#lat_list / x)]
    local x = lon_list[math.floor(#lon_list / x)]
    print(x .. y)
    ScenEdit_AddUnit({type = 'Facility', unitname = 'High Point', dbid = 2349, side = 'marker', Latitude = y, Longitude = x})
end

local best_lat = 0
local best_lon = 0
local best_horizon = 0

local sides = VP_GetSides()
local units = sides[1].units

for k, v in ipairs(units) do
    local horizon = Tool_LOS({observer = {guid = v.guid}, target = {alt = 100}, mode = 0, horizon = 1, useRangeLimits = false})
    if horizon and horizon > best_horizon then
        best_lat = ScenEdit_GetUnit({guid = v.guid, side = 'marker'}).latitude
        best_lon = ScenEdit_GetUnit({guid = v.guid, side = 'marker'}).longitude
        best_horizon = horizon
    end
end

print(best_horizon)
ScenEdit_AddUnit({type = "Facility", unitname = "Best point!", dbid = 2349, side = 'marker', Latitude = best_lat, Longitude = best_lon})