{"adoption": {"forks": 921, "observed_at": "2026-08-28T04:08:55.547736+00:00", "stars": 4645}, "canonical_url": "https://ross.abutalabs.com/products/coordtransform", "card": {"archived": false, "artifact_type": "library", "description": "提供了百度坐标（BD09）、国测局坐标（火星坐标，GCJ02）、和WGS84坐标系之间的转换", "domain": ["web-development"], "enriched": true, "function": ["geospatial", "developer-tools"], "health_score": 47, "homepage": "http://wandergis.github.io/coordtransform", "language": "JavaScript", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["wandergis/coordtransform", "wandergis/coordTransform_py"], "name": "coordtransform", "platform": ["browser"], "pushed_at": "2025-09-28T06:53:27+00:00", "repo": "wandergis/coordtransform", "stars": 4645, "tags": ["coordinate-conversion", "bd09", "gcj02", "wgs84", "china-maps", "gis", "maps", "geospatial", "nodejs", "javascript"], "topics": [], "urls": [{"kind": "homepage", "url": "http://wandergis.github.io/coordtransform"}], "use_cases": ["convert baidu bd09 coordinates to gcj02", "convert gps wgs84 coordinates for chinese maps", "fix map marker offset when overlaying points on amap or leaflet", "batch transform coordinates between chinese map datums", "convert gcj02 mars coordinates back to wgs84"], "what_it_is": "A JavaScript module for converting between Chinese map coordinate systems: Baidu BD-09, GCJ-02 (Mars coordinates), and WGS-84 (GPS). It runs in Node.js and browsers and has Python, Go, and CLI variants.", "when_to_avoid": ["you need general-purpose geodesy or projections beyond the three Chinese coordinate systems", "you need high-precision official transformations for surveying or legal use"], "when_to_choose": ["you need to align GPS or Baidu SDK locations with Chinese web map tiles like Amap, Tencent, or Baidu", "you want a tiny dependency-free coordinate conversion utility in JavaScript or Python"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/repos/wandergis/coordtransform", "repo": "wandergis/coordtransform", "role": "main", "score": 52}, {"path": "/repos/wandergis/coordTransform_py", "repo": "wandergis/coordTransform_py", "role": "sdk", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.547736+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:19:31.833502+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "16f11d16eba65d5877bc5ec112beedbb5630c3e2eb73d8f4c0f2c03d0f258e78", "fetched_at": "2026-08-28T04:08:55.547736+00:00", "kind": "readme", "missing": false, "url": "https://github.com/wandergis/coordtransform"}, {"content_hash": "864243c00de06b831b50f9c04f9b9d3482b54cf5f6db6250ebc7568017718859", "fetched_at": "2026-08-29T09:04:25.164842+00:00", "kind": "homepage", "missing": false, "url": "http://wandergis.github.io/coordtransform"}, {"content_hash": "5c98f7759f06f20465fc3aa192dc28303a56363fc1617cbde02350ea52555045", "fetched_at": "2026-08-29T09:04:25.174416+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/coordtransform"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 44, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4074, "days_push": 339, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 52, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}