osrm-backend/profiles/lhs.lua
2016-08-29 13:54:56 +02:00

21 lines
532 B
Lua

-- Testbot, with turn penalty
-- Used for testing turn penalties
require 'testbot'
properties.left_hand_driving = true
local turn_penalty = 50
local turn_bias = properties.left_hand_driving and 1/1.2 or 1.2
function turn_function (angle)
---- compute turn penalty as angle^2, with a left/right bias
-- multiplying by 10 converts to deci-seconds see issue #1318
k = 10*turn_penalty/(90.0*90.0)
if angle>=0 then
return angle*angle*k/turn_bias
else
return angle*angle*k*turn_bias
end
end