{"id":37085826,"url":"https://github.com/mschrader15/sumo-pipelines","last_synced_at":"2026-01-14T10:33:32.465Z","repository":{"id":106351944,"uuid":"590050154","full_name":"mschrader15/sumo-pipelines","owner":"mschrader15","description":"Building Blocks for SUMO Traffic Simulation Pipelines. Execute in Parallel or Sequentially","archived":false,"fork":false,"pushed_at":"2025-11-04T04:49:14.000Z","size":258,"stargazers_count":6,"open_issues_count":2,"forks_count":4,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-11-04T06:16:43.612Z","etag":null,"topics":["pipelines","sumo","traffic"],"latest_commit_sha":null,"homepage":"","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/mschrader15.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2023-01-17T14:50:44.000Z","updated_at":"2025-11-04T04:49:18.000Z","dependencies_parsed_at":null,"dependency_job_id":"42160477-b1e0-4287-aebb-0812d1823dd3","html_url":"https://github.com/mschrader15/sumo-pipelines","commit_stats":null,"previous_names":[],"tags_count":1,"template":false,"template_full_name":null,"purl":"pkg:github/mschrader15/sumo-pipelines","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mschrader15%2Fsumo-pipelines","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mschrader15%2Fsumo-pipelines/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mschrader15%2Fsumo-pipelines/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mschrader15%2Fsumo-pipelines/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/mschrader15","download_url":"https://codeload.github.com/mschrader15/sumo-pipelines/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mschrader15%2Fsumo-pipelines/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28417612,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-01-14T10:25:19.714Z","status":"ssl_error","status_checked_at":"2026-01-14T10:22:49.371Z","response_time":107,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["pipelines","sumo","traffic"],"created_at":"2026-01-14T10:33:31.681Z","updated_at":"2026-01-14T10:33:32.460Z","avatar_url":"https://github.com/mschrader15.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"# sumo-pipelines\n\nAllows for a end to end SUMO pipeline definition using standalone processing **[blocks](https://github.com/mschrader15/sumo-pipelines/tree/main/sumo_pipelines/blocks)** configured using YAML. \n\n\nSupports massive parallelization using Ray, as well as parallel calibration using Ray Tune and Nevergrad.\n\n## Installation Information\n\n```\n# To use sumo-pipelines w/o SUMO C++ API:\npip install git+https://github.com/mschrader15/sumo-pipelines\n\n# To install sumo-pipelines with the bindings to SUMO\n# SUMO must be installed, with compiled binaries (including libsumocpp) in $SUMO_HOME/bin \nexport SUMO_HOME=\u003cpath to your sumo install\u003e\nexport BUILD_CPP=1\npip install git+https://github.com/mschrader15/sumo-pipelines\n```\n\n\n## Used By:\n\n### [sumo-cf-calibration](https://github.com/UnivOfAlabama-BittleResearchGroup/sumo-cf-calibration)\n\n`sumo-pipelines` was used to calibrate car-following models using trajectory data from roadside radar.\n\nExample Config:\n\n```yaml\nMetadata:\n  # The name will also show up as the main folder for simulation\n  author: mcschrader@crimson.ua.edu\n  output: ${oc.env:PROJECT_ROOT}/tmp/${Metadata.name}/${datetime.now:%m.%d.%Y_%H.%M.%S}\n  cwd: ${.output}/${.run_id}\n  run_id: ???\n  simulation_root: ${oc.env:PROJECT_ROOT}/sumo-xml\n  random_seed: 7788\n\nBlocks:\n  TrajectoryGenerator:\n    pair_file: \"${oc.env:DATA_PATH}/leaders.parquet\"\n    max_queue_size: 64\n    leader_id: ???\n    follower_id: ???\n\n  TrajectoryProcessing:\n    generate_function: external.functions.trajectory_loaders.read_trajectories.database_loader\n    kwargs:\n      traj_file: \"${oc.env:DATA_PATH}/processed_followers.parquet\"\n      follower_id: ${Blocks.TrajectoryGenerator.follower_id}\n      leader_id: ${Blocks.TrajectoryGenerator.leader_id}\n      step_length: ${Blocks.SimulationConfig.step_length}\n\n  SimulationConfig:\n    start_time: 0\n    end_time: 10_000\n    net_file: ${Metadata.simulation_root}/net.net.xml\n    gui: True\n    route_files:\n      - ${Metadata.simulation_root}/route.rou.xml\n    step_length: 1\n    additional_files: null\n    additional_sim_params:\n      - --seed\n      - ${Metadata.random_seed}\n      - --start\n      - \"--step-method.ballistic\"\n    target_lane: E2_0\n    route_name: r_0\n\n  CFOptimizeConfig:\n    optimization_algo: \"NGOpt\"\n    budget: 2000\n    simulation_config: ${Blocks.SimulationConfig}\n    early_stopping: True\n    early_stopping_tolerance: 100\n    seed: ${Metadata.random_seed}\n\n  Error:\n    method: \"spacing\"\n    error_func: \"nrmse_s_v\"\n    val: \"${.nrmse_s_v}\"\n    include_accel: True\n\nPipeline:\n  executor: ray\n  parallel_proc: auto\n  pipeline:\n    - block: CalibrationPipeline\n      parallel: True\n      number_of_workers: 64\n      producers:\n        - function: external.functions.sumo_pipelines_adapter.loader_adapter.trajectory_pair_generator\n          config: ${Blocks.TrajectoryGenerator}\n      consumers:\n        - function: external.functions.sumo_pipelines_adapter.optimizer.optimize\n          config: ${Blocks.CFOptimizeConfig}\n      result_handler:\n        function: external.functions.sumo_pipelines_adapter.optimizer.dump_results\n        config: {}\n\n```\n\n\n### [sa-traffic-sim](https://github.com/UnivOfAlabama-BittleResearchGroup/sa-traffic-sim)\n\n`sumo-pipelines` was used to perform comprehensive sensitivity analysis on the traffic simulation model.\n\n```YAML\nMetadata:\n  # The name will also show up as the main folder for simulation\n  name: SobolSensitivityAnalysisCars-${Blocks.SobolSequenceConfig.N}\n  author: mcschrader@crimson.ua.edu\n  output: ${oc.env:PROJECT_ROOT}/tmp/${Metadata.name}/${datetime.now:%m.%d.%Y_%H.%M.%S}\n  cwd: ${.output}/${.run_id}\n  run_id: ???\n  simulation_root: ${oc.env:PROJECT_ROOT}/simulation\n  random_seed: 42\nBlocks:\n  SobolSequenceConfig:\n    N: 2048\n    calc_second_order: False\n    save_path: ${Metadata.output}/sobol_sequence.parquet\nPipeline:\n  pipeline:\n    - block: RunSimulation\n      parallel: True\n      number_of_workers: 64\n      producers:\n        - function: producers.generate_sobol_sequence\n          config: ${Blocks.SobolSequenceConfig}\n      consumers:\n        - function: ${import:xml.update_output_file}\n          config: ${Blocks.XMLChangeOutputConfig}\n        - function: vehicle_distributions.create_simple_sampled_distribution\n          config: ${Blocks.SampledSimpleCFConfig}\n        - function: routesampler.call_random_trips\n          config: ${Blocks.RandomTripsConfig}\n        - function: routesampler.call_route_sampler\n          config: ${Blocks.RouteSamplerConfig}\n        - function: simulation.run_sumo\n          config: ${Blocks.SimulationConfig}\n        - function: ${import:xml.convert_xml_to_parquet}\n          config: ${Blocks.XMLConvertConfig}\n        - function: ${import:xml.convert_xml_to_parquet}\n          config:\n            source: ${Blocks.XMLChangeOutputConfig.changes[1].new_output}\n            target: ${Metadata.cwd}/detectors.parquet\n            delete_source: true\n            elements:\n              - name: interval\n                attributes:\n                  - begin\n                  - end\n                  - id\n                  - sampledSeconds\n                  - nVehEntered\n                  - nVehLeft\n                  - nVehSeen\n                  - meanSpeed\n                  - meanTimeLoss\n\n        - function: external.src.sa_helpers.metrics.get_sa_results\n          config:\n            trip_info_file: ${Blocks.XMLConvertConfig.target}\n            detector_file: ${Metadata.cwd}/detectors.parquet\n            warmup_time: ${Blocks.SimulationConfig.warmup_time}\n            total_fuel_l: ???\n            average_fc: ???\n            average_speed: ???\n            average_delay: ???\n            average_travel_time: ???\n            delay_ratio: ???\n\n        - function: emissions.fast_total_energy\n          config: ${Blocks.FuelTotalConfig}\n\n        - function: ${import:io.save_config}\n          config:\n            save_path: ${Metadata.cwd}/config.yaml\n\n        - function: ${import:io.rm_file}\n          config:\n            rm_files:\n              - ${Blocks.XMLChangeOutputConfig.changes[0].target}\n              - ${Blocks.XMLChangeOutputConfig.changes[1].target}\n              - ${Metadata.cwd}/detectors.parquet\n              - ${Metadata.cwd}/random.trips.xml\n              - ${Metadata.cwd}/vehDist.in.xml\n              - ${Metadata.cwd}/routes.add.xml\n              - ${Metadata.cwd}/routesampler.rou.xml\n              - ${Metadata.cwd}/per_phase.e2.add.xml\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmschrader15%2Fsumo-pipelines","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmschrader15%2Fsumo-pipelines","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmschrader15%2Fsumo-pipelines/lists"}