osrm-backend/features/testbot/projection.feature
Siarhei Fedartsou aadc088084
Fix distance calculation consistency. (#6315)
Consolidate great circle distance calculations to use cheap ruler library.
2022-08-19 22:31:40 +01:00

78 lines
2.9 KiB
Gherkin

@routing @projection @testbot
Feature: Projection to nearest point on road
# Waypoints are projected perpendiculary onto the closest road
Background:
# The coordinas below was calculated using http://www.movable-type.co.uk/scripts/latlong.html
# The nodes are placed as follows, with ab, bc and bd all being 1 km in length each:
# | | | c |
# | | b | | (this is sketch only, real data is in the table below)
# | a | | d |
Given the profile "testbot"
Given the node locations
| node | lat | lon |
| a | 80.000000 | 0.0000000 |
| b | 80.006350 | 0.0366666 |
| c | 80.012730 | 0.0733333 |
| d | 80.000000 | 0.0733333 |
And the ways
| nodes |
| abc |
Scenario: Projection onto way at high latitudes, 1km distance
When I route I should get
| from | to | route | bearing | distance |
| b | a | abc,abc | 0->225,225->0 | 1002.9m |
| b | c | abc,abc | 0->45,45->0 | 1005m +- 3 |
| a | d | abc,abc | 0->45,45->0 | 1002.9m |
| d | a | abc,abc | 0->225,225->0 | 1002.9m |
| c | d | abc,abc | 0->225,225->0 | 1005m +- 3 |
| d | c | abc,abc | 0->45,45->0 | 1005m +- 3 |
Scenario: Projection onto way at high latitudes, no distance
When I route I should get
| from | to | route | distance |
| d | b | abc,abc | 0m |
| b | d | abc,abc | 0m |
Scenario: Projection results negative duration
Given the profile file
"""
functions = require('testbot')
function segment_function(profile, segment)
segment.weight = 5.5
segment.duration = 2.8
end
functions.process_segment = segment_function
return functions
"""
Given the node locations
| node | lon | lat |
| e | -51.218994 | -30.023866 |
| f | -51.218918 | -30.023741 |
| 1 | -51.219109 | -30.023766 |
| 2 | -51.219109 | -30.023764 |
| 3 | -51.219109 | -30.023763 |
| 4 | -51.219109 | -30.023762 |
| 5 | -51.219109 | -30.023761 |
| 6 | -51.219109 | -30.023756 |
And the ways
| nodes |
| ef |
When I route I should get
| waypoints | route | distance | time | weight |
| 1,4 | ef,ef | 0.4m | 0.1s | 0.1 |
| 2,4 | ef,ef | 0.1m | 0s | 0 |
| 3,4 | ef,ef | 0.1m | 0s | 0 |
| 4,4 | ef,ef | 0m | 0s | 0 |
| 5,4 | ef,ef | 0.1m | 0s | 0.1 |
| 6,4 | ef,ef | 0.6m | 0.1s | 0.2 |