Search files, editable visual templates, and live browser targets from one registry-backed directory. Filtered query views stay crawlable for links but are deliberately noindex; the stable taxonomy pages below remain the canonical search surfaces.
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Real DBF component from the five-town Kestrel Bay shapefile set, copied byte-for-byte into the Convert v2 reserve. Stable P8 artifact p8-convert-shapefile-dbf.
GeoJSON semantic target for the five-town shapefile set, preserving point order, CODE/NAME/POP/FOUNDED attributes, and longitude/latitude coordinates; the omitted .cpg is safe because every copied DBF value is ASCII. Stable P8 artifact p8-convert-shapefile-geojson.
Real PRJ component from the five-town Kestrel Bay shapefile set, copied byte-for-byte into the Convert v2 reserve. Stable P8 artifact p8-convert-shapefile-prj.
Real SHP component from the five-town Kestrel Bay shapefile set, copied byte-for-byte into the Convert v2 reserve. Stable P8 artifact p8-convert-shapefile-shp.
Real SHX component from the five-town Kestrel Bay shapefile set, copied byte-for-byte into the Convert v2 reserve. Stable P8 artifact p8-convert-shapefile-shx.
The same harbour light written to 1 decimal place — enough to identify which country you are in. The ladder exists because coordinate precision is almost always chosen by accident, and shipping six unnecessary digits multiplies the size of every geometry in a tileset.
The same harbour light written to 15 decimal places — enough to identify beyond what a float64 can hold for a coordinate at all. The ladder exists because coordinate precision is almost always chosen by accident, and shipping six unnecessary digits multiplies the size of every geometry in a tileset.
The same harbour light written to 2 decimal places — enough to identify which town you are in. The ladder exists because coordinate precision is almost always chosen by accident, and shipping six unnecessary digits multiplies the size of every geometry in a tileset.
The same harbour light written to 4 decimal places — enough to identify which building you are in. The ladder exists because coordinate precision is almost always chosen by accident, and shipping six unnecessary digits multiplies the size of every geometry in a tileset.
The same harbour light written to 6 decimal places — enough to identify which doorway you are standing in. The ladder exists because coordinate precision is almost always chosen by accident, and shipping six unnecessary digits multiplies the size of every geometry in a tileset.
The same harbour light written to 9 decimal places — enough to identify far finer than any consumer receiver can fix. The ladder exists because coordinate precision is almost always chosen by accident, and shipping six unnecessary digits multiplies the size of every geometry in a tileset.
What each decimal place is actually worth on the ground, computed on a sphere of mean Earth radius at the territory's latitude. Longitude degrees are shorter than latitude degrees by the cosine of the latitude, which is why the two columns diverge.
Five features whose coordinates are the values that break naive JSON number handling: 17-significant-digit doubles, the classic 0.1 + 0.2 artefact, the largest float64 below 180, a 1e-7 offset, and coordinates written in exponent form. Re-serialising this file is where a parser quietly loses or gains a digit.
PostGIS EWKB, where the SRID is carried by OR-ing 0x20000000 into the geometry-type word and appending the code. A strict OGC WKB reader sees type 0x20000001 instead of 1 and either fails or, worse, reports an unknown geometry type.
PostGIS's extended WKT, which prefixes the geometry with `SRID=4326;`. It is not part of the OGC standard, so a strict WKT parser rejects the whole string — while a PostGIS-aware one gets the coordinate system for free.
The same transect cut at the 180th meridian into a two-part MultiLineString, which is what RFC 7946 section 3.1.9 recommends. The split latitude is the linear interpolation of the unsplit twin, so the two files describe the same ground path.
The straddling block cut at 180 into two polygons that share an edge on the meridian — the interoperable form. Use it as the expected output when testing an antimeridian-splitting routine against the unsplit twin.
A top-level Geometry object with no Feature or FeatureCollection around it. This is legal GeoJSON and is what PostGIS `ST_AsGeoJSON` returns, but a surprising number of importers only accept a FeatureCollection.
Three features that each carry their own bbox. Spatial indexes are often built from these declared boxes instead of the geometry, so a wrong or stale one produces a query that silently misses features.
The five towns with a four-element bounding box on the collection, ordered west, south, east, north as RFC 7946 requires. The values are the true extent of the contained points, so a reader that recomputes the box can be scored against the declared one.
Both rings of the Mill Court parcel are wound the wrong way round: the exterior clockwise, the interior counter-clockwise. RFC 7946 mandates the right-hand rule, and consumers that rely on winding to tell holes from shells will read this polygon inside out.
One feature whose properties mix every JSON type and nest three levels deep. Formats with a flat attribute table — shapefile DBF, most SQL layers — cannot represent this, so the fixture shows whether a converter flattens, JSON-encodes, or discards the nested values.
A structurally valid FeatureCollection with an empty `features` array — what a spatial query legitimately returns when nothing matches. It is the standard fixture for the empty-state path of a map component.
A GeometryCollection with an empty `geometries` array — structurally valid, semantically the empty geometry. Converters that map a collection onto a multi-geometry type usually emit null here, quietly changing the record's meaning.
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