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Add a weight for bicycle=discouraged tag in OSRM profile #1159

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merged 1 commit into from
Dec 17, 2024
Merged

Add a weight for bicycle=discouraged tag in OSRM profile #1159

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13 changes: 11 additions & 2 deletions packages/chaire-lib-backend/src/utils/processManagers/osrmProfiles/cycling.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,9 @@ function setup()
properties = {
u_turn_penalty = 20,
traffic_light_penalty = 15,
--weight_name = 'cyclability',
weight_name = 'routability',
-- Transition: we prefer cyclability as a baseline
weight_name = 'cyclability',
--weight_name = 'routability',
process_call_tagless_node = false,
max_speed_for_map_matching = 110/3.6, -- kmph -> m/s
use_turn_restrictions = false,
Expand Down Expand Up @@ -600,6 +601,14 @@ function safety_handler(profile,way,result,data)
backward_penalty = math.min(backward_penalty, profile.service_penalties[data.service])
end

-- Transition: Add penalty for bicycle=discouraged tag
-- See the link above about the discouraged tag
local bicycle_tag = way:get_value_by_key("bicycle")
if bicycle_tag == "discouraged" then
forward_penalty = forward_penalty * 0.5
backward_penalty = backward_penalty * 0.5
end

if result.forward_speed > 0 then
-- convert from km/h to m/s
result.forward_rate = result.forward_speed / 3.6 * forward_penalty
Expand Down
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