fixes #23

README.md

@@ -78,11 +78,6 @@ Options:
   --help                          Show this message and exit.
 ```
 
-### Example 
-
-
-
-
 ## Visualising output
 
 Output is in the Apache Parquet format, a directory with one file per partition.
@@ -157,13 +152,13 @@ vector2dggs h3 -v DEBUG -id ogc_fid -r 9 -p 5 -t 4 --overwrite -tbl topo50_lake
   title={{vector2dggs}},
   author={Ardo, James and Law, Richard},
   url={https://github.com/manaakiwhenua/vector2dggs},
-  version={0.5.2},
+  version={0.5.3},
   date={2023-04-20}
 }
 ```
 
 APA/Harvard
 
-> Ardo, J., & Law, R. (2023). vector2dggs (0.5.2) [Computer software]. https://github.com/manaakiwhenua/vector2dggs
+> Ardo, J., & Law, R. (2023). vector2dggs (0.5.3) [Computer software]. https://github.com/manaakiwhenua/vector2dggs
 
 [![manaakiwhenua-standards](https://github.com/manaakiwhenua/vector2dggs/workflows/manaakiwhenua-standards/badge.svg)](https://github.com/manaakiwhenua/manaakiwhenua-standards)

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "vector2dggs"
-version = "0.5.2"
+version = "0.5.3"
 description = "CLI DGGS indexer for vector geospatial data"
 authors = ["James Ardo <[email protected]>"]
 maintainers = ["Richard Law <[email protected]>"]

vector2dggs/__init__.py

@@ -1 +1 @@
-__version__: str = "0.5.2"
+__version__: str = "0.5.3"

vector2dggs/katana.py

@@ -26,6 +26,9 @@ def katana(geometry, threshold, count=0) -> GeometryCollection:
     if not geometry.is_valid:
         # print(explain_validity(geometry))
         geometry = make_valid(geometry)
+        if geometry.type == 'GeometryCollection':
+            geometry.normalize()
+        geometry = geometry.buffer(0)
     bounds = geometry.bounds
     width = bounds[2] - bounds[0]
     height = bounds[3] - bounds[1]