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Enable turn penalties on car profile, using values tuned by comparing real-world sample routes with map-matched routes.

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Daniel Patterson 2015-08-30 10:17:19 -07:00 committed by Patrick Niklaus
parent 980e4ee89a
commit b3822d5802
1 changed files with 14 additions and 0 deletions
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14
profiles/car.lua
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@ -131,6 +131,11 @@ maxspeed_table = {
traffic_signal_penalty = 2 traffic_signal_penalty = 2
use_turn_restrictions = true use_turn_restrictions = true
local turn_penalty = 10
-- Note: this biases right-side driving. Should be
-- inverted for left-driving countries.
local turn_bias = 1.2
local obey_oneway = true local obey_oneway = true
local ignore_areas = true local ignore_areas = true
local u_turn_penalty = 20 local u_turn_penalty = 20
@ -431,3 +436,12 @@ function way_function (way, result)
end end
end end
function turn_function (angle)
---- compute turn penalty as angle^2, with a left/right bias
k = 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