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Svalbard Special Zone Polygon

vectorGeoJSONPolygonEPSG:4326tinybundled

A Svalbard polygon in the special UTM 33X band. The standard zone-from-longitude formula picks the wrong CRS here, a documented exception code misses.

Polygon geometry of svalbard_special_zone_polygon, rendered from the case's data
Polygon geometry, rendered from the case's actual geometry. Scale is normalized to the viewport and is not comparable between cases.
Property Value
Case ID svalbard_special_zone_polygon
Category vector
Format GeoJSON
Geometry type Polygon
CRS EPSG:4326
Location Svalbard, Arctic Norway — 19.50°E, 77.50°N → 20.50°E, 78.50°N
Test tier unit
Size class tiny
Storage class bundled
Redistributable yes
Loader geopandas
Status validated

Use this case

import pytest


@pytest.mark.geocase_case("svalbard_special_zone_polygon")
def test_svalbard_special_zone_polygon(geocase_case) -> None:
    data = geocase_case.load()
    assert data is not None

Use GeoCase in your tests

Install the complete set of vector, raster, and NetCDF dependencies:

pip install "geocase[all]"

View GeoCase on PyPI.

What this case checks

Confirm that robust UTM-zone logic applies the Svalbard special zone rules.

Risk types covered

Expected behavior

Assertion Expected
expect_loadable yes
expect_valid_geometry yes
expect_crs yes
expected_epsg 4326
expected_geometry_types Polygon

Notes

A polygon in the Svalbard latitude band used to test special UTM zone logic.

Required capabilities

  • load
  • bounds-check
  • reprojection

Files

Browse this case on GitHub

Source and license

  • Source: geocase-curated
  • License: MIT

Tags

crs polygon special-case utm vector