Update STAC item centroid to use Python float instead of numpy.float64 (

#55)

* Update STAC item centroid to use Python float instead of numpy.float64

* Change to use type and ==

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). This project attempts to match the major and minor versions of [stactools](https://github.com/stac-utils/stactools) and increments the patch number as needed.
 
+## Unreleased
+
+### Changed
+
+- STAC item centroid uses Python `float` instead of `numpy.float64`.
+
 ## [v0.5.0] - 2024-01-17
 
 ### Added

src/stactools/naip/stac.py

@@ -224,7 +224,11 @@ def create_item(
     projection.shape = image_shape
     projection.bbox = original_bbox
     projection.transform = transform
-    projection.centroid = {"lat": round(centroid.y, 5), "lon": round(centroid.x, 5)}
+    # Avoid shipping numpy floats
+    projection.centroid = {
+        "lat": round(centroid.y, 5).item(),
+        "lon": round(centroid.x, 5).item(),
+    }
 
     # Grid Extension
     grid = GridExtension.ext(item, add_if_missing=True)

tests/test_stac.py

@@ -155,3 +155,6 @@ def test_create_item_2022(self):
         self.assertEqual(item.id, "ca_m_4112001_sw_10_060_20220716")
         schemas = item.validate()
         self.assertTrue(schemas)
+
+        assert type(item.properties["proj:centroid"]["lat"]) == float
+        assert type(item.properties["proj:centroid"]["lon"]) == float