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Gracefully handle no-turn intersections in guidance processing. #6382

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@mjjbell mjjbell commented Sep 30, 2022

Issue

Badly constructed OSM intersections can create OSRM intersection views that have no valid turns (example).

The guidance code for segregated intersections tries to look ahead to the second intersection to ensure lanes are announced intuitively.

Currently, OSRM assumes there are always turns at the second intersection that we should consider. This commit corrects this assumption so that it can now handle badly constructed OSM intersections with no turns.

Tested this works on the Armenia extract from the issue, and on Great Britain as a general confidence check.

Tasklist

Requirements / Relations

Fixes #6373

@mjjbell mjjbell force-pushed the mbell/second_intersection_no_turn branch from cc01359 to 1de2acd Compare September 30, 2022 22:05
Badly constructed OSM intersections can create OSRM intersection
views that have no valid turns.
The guidance code for segregated intersections tries to look
ahead to the second intersection to ensure lanes are  announced
intuitively.
Currently, OSRM assumes there are always turns at the second
intersection that we should consider. This commit corrects
this assumption so that it can now handle badly constructed
OSM intersections with no turns.
@mjjbell mjjbell force-pushed the mbell/second_intersection_no_turn branch from 1de2acd to 95b1f8f Compare September 30, 2022 22:07
@mjjbell mjjbell merged commit b7daa7e into Project-OSRM:master Oct 1, 2022
datendelphin added a commit to fossgis-routing-server/osrm-backend that referenced this pull request Dec 18, 2022
v5.27.0

- Changes from 5.26.0
    - API:
      - ADDED: Add Flatbuffers support to NodeJS bindings. [Project-OSRM#6338](Project-OSRM#6338)
      - CHANGED: Add `data_version` field to responses of all services. [Project-OSRM#5387](Project-OSRM#5387)
      - FIXED: Use Boost.Beast to parse HTTP request. [Project-OSRM#6294](Project-OSRM#6294)
      - FIXED: Fix inefficient osrm-routed connection handling [Project-OSRM#6113](https://gihub.com/Project-OSRM/osrm-backend/pull/6113)
      - FIXED: Fix HTTP compression precedence [Project-OSRM#6113](Project-OSRM#6113)
    - NodeJS:
      - FIXED: Support `skip_waypoints` in Node bindings [Project-OSRM#6060](Project-OSRM#6060)
    - Misc:
      - ADDED: conanbuildinfo.json for easy reading of dependencies [Project-OSRM#6388](Project-OSRM#6388)
      - CHANGED: Improve performance of JSON rendering. Fix undefined behaviour in JSON numbers formatting. [Project-OSRM#6380](Project-OSRM#6380)
      - ADDED: Add timestamps for logs. [Project-OSRM#6375](Project-OSRM#6375)
      - CHANGED: Improve performance of map matching via getPathDistance optimization. [Project-OSRM#6378](Project-OSRM#6378)
      - CHANGED: Optimize RestrictionParser performance. [Project-OSRM#6344](Project-OSRM#6344)
      - ADDED: Support floats for speed value in traffic updates CSV. [Project-OSRM#6327](Project-OSRM#6327)
      - CHANGED: Use Lua 5.4 in Docker image. [Project-OSRM#6346](Project-OSRM#6346)
      - CHANGED: Remove redundant nullptr check. [Project-OSRM#6326](Project-OSRM#6326)
      - CHANGED: missing files list is included in exception message. [Project-OSRM#5360](Project-OSRM#5360)
      - CHANGED: Do not use deprecated Callback::Call overload in Node bindings. [Project-OSRM#6318](Project-OSRM#6318)
      - FIXED: Fix distance calculation consistency. [Project-OSRM#6315](Project-OSRM#6315)
      - FIXED: Fix performance issue after migration to sol2 3.3.0. [Project-OSRM#6304](Project-OSRM#6304)
      - CHANGED: Pass osm_node_ids by reference in osrm::updater::Updater class. [Project-OSRM#6298](Project-OSRM#6298)
      - FIXED: Fix bug with reading Set values from Lua scripts. [Project-OSRM#6285](Project-OSRM#6285)
      - FIXED: Bug in bicycle profile that caused exceptions if there is a highway=bicycle in the data. [Project-OSRM#6296](Project-OSRM#6296)
      - FIXED: Internal refactoring of identifier types used in data facade [Project-OSRM#6044](Project-OSRM#6044)
      - CHANGED: Update docs to reflect recent build and dependency changes [Project-OSRM#6383](Project-OSRM#6383)
    - Build:
      - REMOVED: Get rid of Mason. [Project-OSRM#6387](Project-OSRM#6387)
      - CHANGED: Use clang-format from CI base image. [Project-OSRM#6391](Project-OSRM#6391)
      - ADDED: Build Node bindings on Windows. [Project-OSRM#6334](Project-OSRM#6334)
      - ADDED: Configure cross-compilation for Apple Silicon. [Project-OSRM#6360](Project-OSRM#6360)
      - CHANGED: Use apt-get to install Clang on CI. [Project-OSRM#6345](Project-OSRM#6345)
      - CHANGED: Fix TBB in case of Conan + NodeJS build. [Project-OSRM#6333](Project-OSRM#6333)
      - CHANGED: Migrate to modern TBB version. [Project-OSRM#6300](Project-OSRM#6300)
      - CHANGED: Enable performance-move-const-arg clang-tidy check. [Project-OSRM#6319](Project-OSRM#6319)
      - CHANGED: Use the latest node on CI. [Project-OSRM#6317](Project-OSRM#6317)
      - CHANGED: Migrate Windows CI to GitHub Actions. [Project-OSRM#6312](Project-OSRM#6312)
      - ADDED: Add smoke test for Docker image. [Project-OSRM#6313](Project-OSRM#6313)
      - CHANGED: Update libosmium to version 2.18.0. [Project-OSRM#6303](Project-OSRM#6303)
      - CHANGED: Remove EXACT from find_package if using Conan. [Project-OSRM#6299](Project-OSRM#6299)
      - CHANGED: Configure Undefined Behaviour Sanitizer. [Project-OSRM#6290](Project-OSRM#6290)
      - CHANGED: Use Conan instead of Mason to install code dependencies. [Project-OSRM#6284](Project-OSRM#6284)
      - CHANGED: Migrate to C++17. Update sol2 to 3.3.0. [Project-OSRM#6279](Project-OSRM#6279)
      - CHANGED: Update macOS CI image to macos-11. [Project-OSRM#6286](Project-OSRM#6286)
      - CHANGED: Enable even more clang-tidy checks. [Project-OSRM#6273](Project-OSRM#6273)
      - CHANGED: Configure CMake to not build flatbuffers tests and samples. [Project-OSRM#6274](Project-OSRM#6274)
      - CHANGED: Enable more clang-tidy checks. [Project-OSRM#6270](Project-OSRM#6270)
      - CHANGED: Configure clang-tidy job on CI. [Project-OSRM#6261](Project-OSRM#6261)
      - CHANGED: Use Github Actions for building container images [Project-OSRM#6138](Project-OSRM#6138)
      - CHANGED: Upgrade Boost dependency to 1.70 [Project-OSRM#6113](Project-OSRM#6113)
      - CHANGED: Upgrade Ubuntu CI builds to 20.04  [Project-OSRM#6119](Project-OSRM#6119)
      - CHANGED: Make building osrm-routed optional [Project-OSRM#6144](Project-OSRM#6144)
      - FIXED: Run all unit tests in CI [Project-OSRM#5248](Project-OSRM#5248)
      - FIXED: Fix installation of Mason CMake and 32 bit CI build [Project-OSRM#6170](Project-OSRM#6170)
      - FIXED: Fixed Node docs generation check in CI. [Project-OSRM#6058](Project-OSRM#6058)
      - CHANGED: Docker build, enabled arm64 build layer [Project-OSRM#6172](Project-OSRM#6172)
      - CHANGED: Docker build, enabled apt-get update/install caching in separate layer for build phase [Project-OSRM#6175](Project-OSRM#6175)
      - FIXED: Bump CI complete meta job to ubuntu-20.04 [Project-OSRM#6323](Project-OSRM#6323)
      - CHANGED: Node packages are now scoped by @Project-OSRM [Project-OSRM#6386](Project-OSRM#6386)
    - Routing:
      - CHANGED: Lazily generate optional route path data [Project-OSRM#6045](Project-OSRM#6045)
      - FIXED: Completed support for no_entry and no_exit turn restrictions. [Project-OSRM#5988](Project-OSRM#5988)
      - ADDED: Add support for non-round-trips with a single fixed endpoint. [Project-OSRM#6050](Project-OSRM#6050)
      - FIXED: Improvements to maneuver override processing [Project-OSRM#6125](Project-OSRM#6125)
      - ADDED: Support snapping to multiple ways at an input location. [Project-OSRM#5953](Project-OSRM#5953)
      - FIXED: Fix snapping target locations to ways used in turn restrictions. [Project-OSRM#6339](Project-OSRM#6339)
      - ADDED: Support OSM traffic signal directions. [Project-OSRM#6153](Project-OSRM#6153)
      - FIXED: Ensure u-turn exists in intersection view. [Project-OSRM#6376](Project-OSRM#6376)
      - FIXED: Gracefully handle no-turn intersections in guidance processing. [Project-OSRM#6382](Project-OSRM#6382)
    - Profile:
      - CHANGED: Bicycle surface speeds [Project-OSRM#6212](Project-OSRM#6212)
    - Tools:
      - CHANGED: Do not generate intermediate .osrm file in osrm-extract. [Project-OSRM#6354](Project-OSRM#6354)
datendelphin added a commit to fossgis-routing-server/osrm-backend that referenced this pull request Dec 18, 2022
v5.27.0

- Changes from 5.26.0
    - API:
      - ADDED: Add Flatbuffers support to NodeJS bindings. [Project-OSRM#6338](Project-OSRM#6338)
      - CHANGED: Add `data_version` field to responses of all services. [Project-OSRM#5387](Project-OSRM#5387)
      - FIXED: Use Boost.Beast to parse HTTP request. [Project-OSRM#6294](Project-OSRM#6294)
      - FIXED: Fix inefficient osrm-routed connection handling [Project-OSRM#6113](https://gihub.com/Project-OSRM/osrm-backend/pull/6113)
      - FIXED: Fix HTTP compression precedence [Project-OSRM#6113](Project-OSRM#6113)
    - NodeJS:
      - FIXED: Support `skip_waypoints` in Node bindings [Project-OSRM#6060](Project-OSRM#6060)
    - Misc:
      - ADDED: conanbuildinfo.json for easy reading of dependencies [Project-OSRM#6388](Project-OSRM#6388)
      - CHANGED: Improve performance of JSON rendering. Fix undefined behaviour in JSON numbers formatting. [Project-OSRM#6380](Project-OSRM#6380)
      - ADDED: Add timestamps for logs. [Project-OSRM#6375](Project-OSRM#6375)
      - CHANGED: Improve performance of map matching via getPathDistance optimization. [Project-OSRM#6378](Project-OSRM#6378)
      - CHANGED: Optimize RestrictionParser performance. [Project-OSRM#6344](Project-OSRM#6344)
      - ADDED: Support floats for speed value in traffic updates CSV. [Project-OSRM#6327](Project-OSRM#6327)
      - CHANGED: Use Lua 5.4 in Docker image. [Project-OSRM#6346](Project-OSRM#6346)
      - CHANGED: Remove redundant nullptr check. [Project-OSRM#6326](Project-OSRM#6326)
      - CHANGED: missing files list is included in exception message. [Project-OSRM#5360](Project-OSRM#5360)
      - CHANGED: Do not use deprecated Callback::Call overload in Node bindings. [Project-OSRM#6318](Project-OSRM#6318)
      - FIXED: Fix distance calculation consistency. [Project-OSRM#6315](Project-OSRM#6315)
      - FIXED: Fix performance issue after migration to sol2 3.3.0. [Project-OSRM#6304](Project-OSRM#6304)
      - CHANGED: Pass osm_node_ids by reference in osrm::updater::Updater class. [Project-OSRM#6298](Project-OSRM#6298)
      - FIXED: Fix bug with reading Set values from Lua scripts. [Project-OSRM#6285](Project-OSRM#6285)
      - FIXED: Bug in bicycle profile that caused exceptions if there is a highway=bicycle in the data. [Project-OSRM#6296](Project-OSRM#6296)
      - FIXED: Internal refactoring of identifier types used in data facade [Project-OSRM#6044](Project-OSRM#6044)
      - CHANGED: Update docs to reflect recent build and dependency changes [Project-OSRM#6383](Project-OSRM#6383)
    - Build:
      - REMOVED: Get rid of Mason. [Project-OSRM#6387](Project-OSRM#6387)
      - CHANGED: Use clang-format from CI base image. [Project-OSRM#6391](Project-OSRM#6391)
      - ADDED: Build Node bindings on Windows. [Project-OSRM#6334](Project-OSRM#6334)
      - ADDED: Configure cross-compilation for Apple Silicon. [Project-OSRM#6360](Project-OSRM#6360)
      - CHANGED: Use apt-get to install Clang on CI. [Project-OSRM#6345](Project-OSRM#6345)
      - CHANGED: Fix TBB in case of Conan + NodeJS build. [Project-OSRM#6333](Project-OSRM#6333)
      - CHANGED: Migrate to modern TBB version. [Project-OSRM#6300](Project-OSRM#6300)
      - CHANGED: Enable performance-move-const-arg clang-tidy check. [Project-OSRM#6319](Project-OSRM#6319)
      - CHANGED: Use the latest node on CI. [Project-OSRM#6317](Project-OSRM#6317)
      - CHANGED: Migrate Windows CI to GitHub Actions. [Project-OSRM#6312](Project-OSRM#6312)
      - ADDED: Add smoke test for Docker image. [Project-OSRM#6313](Project-OSRM#6313)
      - CHANGED: Update libosmium to version 2.18.0. [Project-OSRM#6303](Project-OSRM#6303)
      - CHANGED: Remove EXACT from find_package if using Conan. [Project-OSRM#6299](Project-OSRM#6299)
      - CHANGED: Configure Undefined Behaviour Sanitizer. [Project-OSRM#6290](Project-OSRM#6290)
      - CHANGED: Use Conan instead of Mason to install code dependencies. [Project-OSRM#6284](Project-OSRM#6284)
      - CHANGED: Migrate to C++17. Update sol2 to 3.3.0. [Project-OSRM#6279](Project-OSRM#6279)
      - CHANGED: Update macOS CI image to macos-11. [Project-OSRM#6286](Project-OSRM#6286)
      - CHANGED: Enable even more clang-tidy checks. [Project-OSRM#6273](Project-OSRM#6273)
      - CHANGED: Configure CMake to not build flatbuffers tests and samples. [Project-OSRM#6274](Project-OSRM#6274)
      - CHANGED: Enable more clang-tidy checks. [Project-OSRM#6270](Project-OSRM#6270)
      - CHANGED: Configure clang-tidy job on CI. [Project-OSRM#6261](Project-OSRM#6261)
      - CHANGED: Use Github Actions for building container images [Project-OSRM#6138](Project-OSRM#6138)
      - CHANGED: Upgrade Boost dependency to 1.70 [Project-OSRM#6113](Project-OSRM#6113)
      - CHANGED: Upgrade Ubuntu CI builds to 20.04  [Project-OSRM#6119](Project-OSRM#6119)
      - CHANGED: Make building osrm-routed optional [Project-OSRM#6144](Project-OSRM#6144)
      - FIXED: Run all unit tests in CI [Project-OSRM#5248](Project-OSRM#5248)
      - FIXED: Fix installation of Mason CMake and 32 bit CI build [Project-OSRM#6170](Project-OSRM#6170)
      - FIXED: Fixed Node docs generation check in CI. [Project-OSRM#6058](Project-OSRM#6058)
      - CHANGED: Docker build, enabled arm64 build layer [Project-OSRM#6172](Project-OSRM#6172)
      - CHANGED: Docker build, enabled apt-get update/install caching in separate layer for build phase [Project-OSRM#6175](Project-OSRM#6175)
      - FIXED: Bump CI complete meta job to ubuntu-20.04 [Project-OSRM#6323](Project-OSRM#6323)
      - CHANGED: Node packages are now scoped by @Project-OSRM [Project-OSRM#6386](Project-OSRM#6386)
    - Routing:
      - CHANGED: Lazily generate optional route path data [Project-OSRM#6045](Project-OSRM#6045)
      - FIXED: Completed support for no_entry and no_exit turn restrictions. [Project-OSRM#5988](Project-OSRM#5988)
      - ADDED: Add support for non-round-trips with a single fixed endpoint. [Project-OSRM#6050](Project-OSRM#6050)
      - FIXED: Improvements to maneuver override processing [Project-OSRM#6125](Project-OSRM#6125)
      - ADDED: Support snapping to multiple ways at an input location. [Project-OSRM#5953](Project-OSRM#5953)
      - FIXED: Fix snapping target locations to ways used in turn restrictions. [Project-OSRM#6339](Project-OSRM#6339)
      - ADDED: Support OSM traffic signal directions. [Project-OSRM#6153](Project-OSRM#6153)
      - FIXED: Ensure u-turn exists in intersection view. [Project-OSRM#6376](Project-OSRM#6376)
      - FIXED: Gracefully handle no-turn intersections in guidance processing. [Project-OSRM#6382](Project-OSRM#6382)
    - Profile:
      - CHANGED: Bicycle surface speeds [Project-OSRM#6212](Project-OSRM#6212)
    - Tools:
      - CHANGED: Do not generate intermediate .osrm file in osrm-extract. [Project-OSRM#6354](Project-OSRM#6354)
mattwigway pushed a commit to mattwigway/osrm-backend that referenced this pull request Jul 20, 2023
…ect-OSRM#6382)

Badly constructed OSM intersections can create OSRM intersection
views that have no valid turns.
The guidance code for segregated intersections tries to look
ahead to the second intersection to ensure lanes are  announced
intuitively.
Currently, OSRM assumes there are always turns at the second
intersection that we should consider. This commit corrects
this assumption so that it can now handle badly constructed
OSM intersections with no turns.
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Assertion makes osrm-extract fail
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