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task library
built templateroad-lightingwith-tool

Road Uniformity Check

Calculates overall and longitudinal road lighting uniformity ratios and the margin against a target overall uniformity class requirement.

inputs

5 fields

context

2 archetypes

engine

with-tool

outputs

3 scored fields

contract fields

Parameter Map

5 inputs to 3 scored outputs

  • minimum_luminance_cd_m2

    float

    Minimum calculated luminance on the road grid

    0 to 5cd/m2

  • average_luminance_cd_m2

    float

    Average calculated luminance on the road grid

    0.1 to 10cd/m2

  • longitudinal_min_luminance_cd_m2

    float

    Minimum luminance along the relevant lane line

    0 to 5cd/m2

  • longitudinal_max_luminance_cd_m2

    float

    Maximum luminance along the relevant lane line

    0.1 to 10cd/m2

  • target_overall_uniformity

    floathidden in hard

    Target overall uniformity ratio

    0.1 to 0.8-
overall_uniformity_uotol 0.03

Overall uniformity ratio

longitudinal_uniformity_ultol 0.03

Longitudinal uniformity ratio

overall_uniformity_margin_pcttol 0.03

Percentage margin against target overall uniformity

visibility contract

Difficulty Ladder

all_giveneasy

Local road grid with all values visible

all fields visible
all_givenmedium

Road lighting grid selected from local or arterial cases

all fields visible
partialhard

Arterial road grid with target class embedded in context

target_overall_uniformity

scenario bands

Archetype Atlas

local_road_grid

2 contexts

Local road lighting calculation grid

minimum_luminance_cd_m20.2 to 0.8
average_luminance_cd_m20.8 to 2
longitudinal_min_luminance_cd_m20.3 to 1
longitudinal_max_luminance_cd_m20.8 to 2.5

local-road / lighting-grid

arterial_road_grid

2 contexts

Arterial road luminance calculation grid

minimum_luminance_cd_m20.5 to 1.5
average_luminance_cd_m21.2 to 4
longitudinal_min_luminance_cd_m20.6 to 2
longitudinal_max_luminance_cd_m21.2 to 5

arterial-road / lighting-grid

rendered task

Generation Preview

arterial-road-arterial-road-grid-preview

difficulty
hard
visibility
partial
archetype
arterial_road_grid
site context
arterial-road
instruction excerptroad-uniformity-check_calc.py

visible fields

  • minimum_luminance_cd_m20.5 to 1.5 cd/m2
  • average_luminance_cd_m21.2 to 4 cd/m2
  • longitudinal_min_luminance_cd_m20.6 to 2 cd/m2
  • longitudinal_max_luminance_cd_m21.2 to 5 cd/m2

withheld schema

target_overall_uniformityoverall_uniformity_uolongitudinal_uniformity_uloverall_uniformity_margin_pct
Arterial road luminance calculation grid. arterial-road. Required outputs: overall_uniformity_uo, longitudinal_uniformity_ul, overall_uniformity_margin_pct