1{2 "schema": 1,3 "queue": {4 "what": "the order the enrichers run in. Ordering is a decision, not folklore: every enricher sees the volume as the ones before it left it, so what is written here is what a reader has to know to predict a build. A name here that no enricher answers to fails the build, and so does an enricher the binary offers that is not named here.",5 "why": {6 "merge": "first, because everything after it should see the whole volume: a collection folded in from another reading is a collection that wants an icon and a score like any other.",7 "national": "after merge, so a feature contributed by another reading can also learn which subwatershed its ground lies in.",8 "stdicons": "after merge, which is the whole reason it is post-composition: a merged-in collection that declares a standard icon resolves it too.",9 "lenses": "last, because a picture attaches to a ground, and the grounds are not all known until everything that could contribute one has run."10 },11 "order": [12 "merge",13 "national",14 "stdicons",15 "lenses"16 ]17 },18 "merge": {19 "what": "the resolution distances, in world pixels of the 8192-pixel square, and the per-key attribute policy. A confirmed match needs the same name near where the alignment predicts; beyond twice the radius the same name is a different place bearing it; between the two the resolution declines to decide.",20 "matchRadiusPx": 160,21 "separateRadiusPx": 320,22 "nearbyFloorPx": 48,23 "attributes": {24 "what": "which side of a matched feature wins, key by key. Anything unlisted is serving-wins: what the serving reading says stands. donor-fills-empty is the enrichment rule the description pioneered -- the serving side keeps what it has and takes only what it lacks -- and every take is ledgered by key.",25 "donorFillsEmpty": [26 "atlas.note.text",27 "atlas.geo.lat",28 "atlas.geo.lon",29 "atlas.icon.std"30 ]31 }32 },33 "national": {34 "what": "which collections a national evidence base contributed to a volume. The membership join never makes a claim about a feature of one of these: the hydrography is the evidence, and a subwatershed does not need a sentence telling it which subwatershed it lies in.",35 "evidenceCollections": {36 "bend-or": [37 "Watersheds",38 "Subwatersheds",39 "Streams",40 "Waterbodies"41 ]42 }43 }44}