poka.sh

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SHP

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Shapefile Preview.

At a glance
Purpose An Esri shapefile main file (.shp): point, polyline, polygon and multipoint geometry records.
Extensions .shp
Poka parser poka-shp
Viewer poka-vector-viewer
Depth tier Parser with a shared viewer (see Depth tiers)
Breadth tier B3 Core (see Breadth tiers)

How much Poka reads

B3 Core. Only the main content type or types are decoded (for example geometry but not materials, layers or annotations, or only one version family). The list of gaps is substantial.

Confidence: medium (the reviewer read the code). Basis: Reviewed 2026-10-26: read parsers/poka-shp/src/main.rs (375 lines) and plugin.json. The three unit tests cover a two-point polyline, a point count larger than its record and a parts array past the record; the corpus has .shp samples, read by no test. Covers .shp. The parser reads the header and every record and draws points, polylines, polygons and multipoints on the 2D map; Z and M variants are drawn as their XY. Judgement: B3: the geometry is drawn, but attributes and projection live in other files that are not read.

What Poka does not read

  • Attributes (.dbf) are not read: the sandbox gives the parser only the .shp
  • The projection (.prj) is not applied
  • Z and M values are ignored
  • MultiPatch shapes are not drawn (judgement from the code)
  • Caps of 4,000,000 points; files over 512 MiB are cut without a flag

Libraries

Libraries Poka uses or has assessed for this format, with the status, licence and language the registry records.

Software that uses it

  • Esri Shapefile

Sources

  • parsers/poka-shp/src/main.rs
  • parsers/poka-shp/plugin.json