{"adoption": {"forks": 107, "observed_at": "2026-08-28T04:06:13.726257+00:00", "stars": 2102}, "canonical_url": "https://ross.abutalabs.com/products/pt", "card": {"archived": false, "artifact_type": "library", "description": "A path tracer written in Go.", "domain": ["graphics", "developer-tools"], "enriched": true, "function": ["graphics", "simulation", "image-processing"], "health_score": 20, "homepage": null, "language": "Go", "license": "MIT", "license_family": "permissive", "maturity": "maintenance", "member_repos": ["fogleman/pt"], "name": "fogleman/pt", "platform": ["go", "cross-platform", "cli"], "pushed_at": "2019-03-21T10:07:26+00:00", "repo": "fogleman/pt", "stars": 2102, "tags": ["path-tracing", "ray-tracing", "rendering", "cpu-renderer", "physically-based-rendering", "3d-graphics", "game-development"], "topics": [], "urls": [], "use_cases": ["render photorealistic 3d images with path tracing", "render obj and stl models offline", "raymarch signed distance fields", "volume render from image slices", "learn how a path tracer works in go"], "what_it_is": "A CPU-only unidirectional path tracing engine written in pure Go with a simple API. It supports OBJ/STL meshes, textures, SDF raymarching, volume rendering, and parallel rendering across all CPU cores.", "when_to_avoid": ["you need GPU-accelerated real-time rendering", "you need a full production 3D pipeline with animation", "you need actively maintained software with recent releases"], "when_to_choose": ["you want a dependency-free pure Go renderer", "you need CPU-based physically-based rendering with a simple API", "you want to experiment with path tracing techniques like adaptive sampling"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/pt", "repo": "fogleman/pt", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.726257+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:54:16.638606+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0880865f6b9a378a79ca8d8d81c9175f50b38dd76de813231d809b025720e3f6", "fetched_at": "2026-08-28T04:06:13.726257+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fogleman/pt"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4240, "days_push": 2722, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}