{ "_id": "6ad92953021a938ed758dfeb", "Package": "metrictrails", "Title": "Processing of GNSS Streams from Sports Watches", "Version": "1.0.0", "Authors@R": "person(given = \"Raimundo\",\nfamily = \"Sanchez\",\nrole = c(\"aut\", \"cre\"),\nemail = \"raimundosanchezu@gmail.com\",\ncomment = c(ORCID = \"0000-0003-2242-1335\"))", "Description": "Tools to read, clean and standardise GNSS (Global\nNavigation Satellite System) streams recorded by sports watches\nand similar devices, with a focus on trail and mountain\nrunning. The pipeline reads GPX files, applies a naming\nconvention, sanitises coordinates (Kalman, LOESS, Gaussian\nkernel or Savitzky-Golay smoothing, and red flags for\nimplausible readings), resamples the trajectory to a uniform\nspatial resolution derived from the Nyquist criterion, and\nreplaces elevation with values from a Digital Elevation Model.\nDerived measures include speed, slope, elevation gain and\nkilometre-effort, Tobler hiking function parameters fitted by\nquantile regression, comparison between streams, detection of\npasses along a route and map matching to a known reference\ntrail by dynamic programming. Methods follow Sanchez and\nVillena (2020) , Sanchez et al.\n(2024) , Sanchez et al.\n(2025) and Martinez, Sanchez\nand Diaz (2026) .", "URL": "https://github.com/raimun2/metrictrails", "BugReports": "https://github.com/raimun2/metrictrails/issues", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "LazyData": "true", "VignetteBuilder": "knitr", "Config/testthat/edition": "3", "Config/roxygen2/version": "8.1.0", "NeedsCompilation": "no", "Packaged": { "Date": "2026-10-21 21:03:05 UTC", "User": "root" }, "Author": "Raimundo Sanchez [aut, cre] (ORCID:\n)", "Maintainer": "Raimundo Sanchez ", "Repository": "https://cran.r-universe.dev", "Date/Publication": "2026-10-21 15:20:02 UTC", "RemoteUrl": "https://github.com/cran/metrictrails", "RemoteRef": "HEAD", "RemoteSha": "3c722c2732253cd74552a2cf7aabeb70f33e09b5", "_user": "cran", "_type": "src", "_file": "metrictrails_1.0.0.tar.gz", "_fileid": "https://r2.ropensci.org/a7e8fc8a59ae76e7f9325bc7d736aaa0dec138bd17971ee9fe43c75f97c0ff83", 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"role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" }, { "package": "testthat", "version": ">= 3.0.0", "role": "Suggests" } ], "_owner": "cran", "_selfowned": false, "_usedby": 0, "_updates": [ { "week": "2026-43", "n": 1 } ], "_tags": [ { "name": "1.0.0", "date": "2026-10-21" } ], "_stars": 0, "_contributors": [ { "user": "raimun2", "count": 1, "uuid": 13170576 } ], "_userbio": { "uuid": 6899542, "type": "organization", "name": "cran", "followers": 634, "description": "Unofficial read-only mirror of all CRAN R packages" }, "_downloads": { "count": 0, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/metrictrails" }, "_devurl": "https://github.com/raimun2/metrictrails", "_searchresults": 0, "_rbuild": "4.6.1", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/manual.pdf", "extra/metrictrails.html", "extra/readme.html", "extra/readme.md", "LICENSE" ], "_cranurl": false, "_releases": [ { "version": "1.0.0", "date": "2026-10-21" } ], "_exports": [ "%>%", "compare_stream", "detect_stream", "differential_stream", "ele_correction", "fractal_stream", "get_dem", "locate_stream", "match_stream", "project_stream", "read_stream", "resample_dem", "resample_stream", "resolution_stream", "sanitize_stream", "summarise_stream", "tobler_speed", "tobler_stream", "uniform_stream", "write_stream" ], "_datasets": [ { "name": "strava_metadata", "title": "Metadata of the activities in strava_streams", "object": "strava_metadata", "class": [ "data.frame" ], "fields": [ "achievement_count", "athlete.id", "athlete.resource_state", "athlete_count", "average_cadence", "average_heartrate", "average_speed", "average_temp", "comment_count", "commute", "display_hide_heartrate_option", "distance", "elapsed_time", "elev_high", "elev_low", "end_latlng1", "end_latlng2", "external_id", "flagged", "from_accepted_tag", "has_heartrate", "has_kudoed", "heartrate_opt_out", "id", "kudos_count", "location_country", "manual", "map.id", "map.resource_state", "map.summary_polyline", "max_heartrate", "max_speed", "moving_time", "name", "photo_count", "pr_count", "private", "resource_state", "start_date", "start_date_local", "start_latitude", "start_latlng1", "start_latlng2", "start_longitude", "suffer_score", "timezone", "total_elevation_gain", "total_photo_count", "trainer", "type", "upload_id", "upload_id_str", "utc_offset", "visibility", "workout_type", "average_watts", "device_watts", "gear_id", "kilojoules", "location_city", "location_state" ], "rows": 2, "table": true, "tojson": true }, { "name": "strava_streams", "title": "GNSS streams of two activities from the Strava API", "object": "strava_streams", "class": [ "data.frame" ], "fields": [ "lon", "lat", "ele", "time", "cadence", "distance", "grade_smooth", "heartrate", "moving", "temp", "velocity_smooth", "id", "type" ], "rows": 4148, "table": true, "tojson": true } ], "_help": [ { "page": "compare_stream", "title": "Compare two streams", "topics": [ "compare_stream" ] }, { "page": "detect_stream", "title": "Detect the passes of a stream along a route", "topics": [ "detect_stream" ] }, { "page": "differential_stream", "title": "Spatial and temporal derivatives of a stream", "topics": [ "differential_stream" ] }, { "page": "ele_correction", "title": "Replace the elevation of a stream with values from a DEM", "topics": [ "ele_correction" ] }, { "page": "fractal_stream", "title": "Fractal dimension of a stream", "topics": [ "fractal_stream" ] }, { "page": "get_dem", "title": "Download a Digital Elevation Model for a stream", "topics": [ "get_dem" ] }, { "page": "locate_stream", "title": "Locate a stream along a reference", "topics": [ "locate_stream" ] }, { "page": "match_stream", "title": "Match a stream to a known reference trail", "topics": [ "match_stream" ] }, { "page": "project_stream", "title": "Project a stream to metric coordinates", "topics": [ "project_stream" ] }, { "page": "read_stream", "title": "Read a GNSS stream from a GPX file", "topics": [ "read_stream" ] }, { "page": "resample_dem", "title": "Change the resolution of a DEM", "topics": [ "resample_dem" ] }, { "page": "resample_stream", "title": "Resample a stream to a uniform spatial resolution", "topics": [ "resample_stream" ] }, { "page": "resolution_stream", "title": "Spatial resolution of a stream", "topics": [ "resolution_stream" ] }, { "page": "sanitize_stream", "title": "Sanitize the coordinates of a stream and flag implausible readings", "topics": [ "sanitize_stream" ] }, { "page": "strava_metadata", "title": "Metadata of the activities in strava_streams", "topics": [ "strava_metadata" ] }, { "page": "strava_streams", "title": "GNSS streams of two activities from the Strava API", "topics": [ "strava_streams" ] }, { "page": "summarise_stream", "title": "Summary measures of a stream", "topics": [ "summarise_stream" ] }, { "page": "tobler_speed", "title": "Speed predicted by the Tobler function", "topics": [ "tobler_speed" ] }, { "page": "tobler_stream", "title": "Tobler parameters of a stream", "topics": [ "tobler_stream" ] }, { "page": "uniform_stream", "title": "Uniform naming convention for a stream", "topics": [ "uniform_stream" ] }, { "page": "write_stream", "title": "Write a GNSS stream to a GPX file", "topics": [ "write_stream" ] } ], "_readme": "https://github.com/cran/metrictrails/raw/HEAD/README.md", "_rundeps": [ "class", "classInt", "cli", "DBI", "e1071", "glue", "KernSmooth", "lifecycle", "magrittr", "pillar", "pkgconfig", "proxy", "Rcpp", "rlang", "s2", "sf", "terra", "tibble", "units", "utf8", "vctrs", "wk" ], "_vignettes": [ { "source": "metrictrails.Rmd", "filename": "metrictrails.html", "title": "From a GPX file to research-grade trail measures", "engine": "knitr::rmarkdown", "headings": [ "1. 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